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88640e1dcd
1945 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
fa4bff1650 |
Merge branch 'x86-mds-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 MDS mitigations from Thomas Gleixner:
"Microarchitectural Data Sampling (MDS) is a hardware vulnerability
which allows unprivileged speculative access to data which is
available in various CPU internal buffers. This new set of misfeatures
has the following CVEs assigned:
CVE-2018-12126 MSBDS Microarchitectural Store Buffer Data Sampling
CVE-2018-12130 MFBDS Microarchitectural Fill Buffer Data Sampling
CVE-2018-12127 MLPDS Microarchitectural Load Port Data Sampling
CVE-2019-11091 MDSUM Microarchitectural Data Sampling Uncacheable Memory
MDS attacks target microarchitectural buffers which speculatively
forward data under certain conditions. Disclosure gadgets can expose
this data via cache side channels.
Contrary to other speculation based vulnerabilities the MDS
vulnerability does not allow the attacker to control the memory target
address. As a consequence the attacks are purely sampling based, but
as demonstrated with the TLBleed attack samples can be postprocessed
successfully.
The mitigation is to flush the microarchitectural buffers on return to
user space and before entering a VM. It's bolted on the VERW
instruction and requires a microcode update. As some of the attacks
exploit data structures shared between hyperthreads, full protection
requires to disable hyperthreading. The kernel does not do that by
default to avoid breaking unattended updates.
The mitigation set comes with documentation for administrators and a
deeper technical view"
* 'x86-mds-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
x86/speculation/mds: Fix documentation typo
Documentation: Correct the possible MDS sysfs values
x86/mds: Add MDSUM variant to the MDS documentation
x86/speculation/mds: Add 'mitigations=' support for MDS
x86/speculation/mds: Print SMT vulnerable on MSBDS with mitigations off
x86/speculation/mds: Fix comment
x86/speculation/mds: Add SMT warning message
x86/speculation: Move arch_smt_update() call to after mitigation decisions
x86/speculation/mds: Add mds=full,nosmt cmdline option
Documentation: Add MDS vulnerability documentation
Documentation: Move L1TF to separate directory
x86/speculation/mds: Add mitigation mode VMWERV
x86/speculation/mds: Add sysfs reporting for MDS
x86/speculation/mds: Add mitigation control for MDS
x86/speculation/mds: Conditionally clear CPU buffers on idle entry
x86/kvm/vmx: Add MDS protection when L1D Flush is not active
x86/speculation/mds: Clear CPU buffers on exit to user
x86/speculation/mds: Add mds_clear_cpu_buffers()
x86/kvm: Expose X86_FEATURE_MD_CLEAR to guests
x86/speculation/mds: Add BUG_MSBDS_ONLY
...
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Linus Torvalds
|
47782361ac |
chrome platform changes for v5.2
CrOS EC: - Add EC host command support using rpmsg - Add new CrOS USB PD logging driver - Transfer spi messages at high priority - Add support to trace CrOS EC commands - Minor fixes and cleanups in protocol and debugfs Wilco EC: - Standardize Wilco EC mailbox interface - Add h1_gpio status to debugfs -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE6gYDF28Li+nEiKLaHwn1ewov5lgFAlzV61YACgkQHwn1ewov 5lgEFw//S7GVmBrFxcqu5wAjF1CW+mOGi3y6nVuTAHanWG/hJGWT+itOwsdDp6c9 TggYgohprz64JAZOPqPCTonV/qbxgsfKrSQRxFDtHH4F1iEUF46fnlsULDKi8VwM Qzj4g4d//ePsOwHOsYVrbJRU2qKyF6Rm2hpOxKfI9u2Dv5fxLFu6fxUhrSq1Inr6 U67j7pxBwOnBtN2A6hMKHZaOUVkSNYT6azSPO3Z2YH0aky2Baxw/LPoRnbCNhwUQ iyneX5+K0wpCz2fpnBF/QSh1QBACeyfrO6HHA+flfaejhShaWttrS36Gar+sdHFN p6eeR1CoEJZbRY79Eetj8Cv5Be1ivVG/SC5JF4O1apAAn87wXLI6AaLG/03ul0vc KOkcjrXMxISRlAUr+OKD0rg3Uo2oI0ht70XMT9DDsCRNDoVHvkDQJNdkWrKq+E1c xL4YeLofZpcEN+Oe/WnwUZtYUdY3qcWs+C4hV+h0L0Ke5xir25DEUfF3j3J/uK2B JEgkTpH8j6YjbGAErBPkTxWt5HE3oWtkK4moPlrfPKfxoSo2eRDvqz68qHsgIn8p WBM+FSr+dQ7qyYDigMKrFSesiBpwCBI4lIgPxkvTxqbubaoZcsABHm3BUGjykXII E5z2qsgRnDrB+uGGDkTvDoR0Kr3U0hGlag7u/N61H86PoiMLUig= =NF5N -----END PGP SIGNATURE----- Merge tag 'tag-chrome-platform-for-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux Pull chrome platform updates from Benson Leung: "CrOS EC: - Add EC host command support using rpmsg - Add new CrOS USB PD logging driver - Transfer spi messages at high priority - Add support to trace CrOS EC commands - Minor fixes and cleanups in protocol and debugfs Wilco EC: - Standardize Wilco EC mailbox interface - Add h1_gpio status to debugfs" * tag 'tag-chrome-platform-for-v5.2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: platform/chrome: cros_ec_proto: Add trace event to trace EC commands platform/chrome: cros_ec_debugfs: Use cros_ec_cmd_xfer_status helper platform/chrome: cros_ec: Add EC host command support using rpmsg platform/chrome: wilco_ec: Add h1_gpio status to debugfs platform/chrome: wilco_ec: Standardize mailbox interface platform/chrome: cros_ec_proto: check for NULL transfer function platform/chrome: Add CrOS USB PD logging driver platform/chrome: cros_ec_spi: Transfer messages at high priority platform/chrome: cros_ec_debugfs: no need to check return value of debugfs_create functions platform/chrome: cros_ec_debugfs: Remove dev_warn when console log is not supported |
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Linus Torvalds
|
45182e4e1f |
Merge branch 'i2c/for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang: - API for late atomic transfers (e.g. to shut down via PMIC). We have a seperate callback now which is called under clearly defined conditions. In-kernel users are converted, too. - new driver for the AMD PCIe MP2 I2C controller - large refactoring for at91 and bcm-iproc (both gain slave support due to this) - and a good share of various driver improvements anf fixes * 'i2c/for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (57 commits) dt-bindings: i2c: riic: document r7s9210 support i2c: imx-lpi2c: Use __maybe_unused instead of #if CONFIG_PM_SLEEP i2c-piix4: Add Hygon Dhyana SMBus support i2c: core: apply 'is_suspended' check for SMBus, too i2c: core: ratelimit 'transfer when suspended' errors i2c: iproc: Change driver to use 'BIT' macro i2c: riic: Add Runtime PM support i2c: mux: demux-pinctrl: use struct_size() in devm_kzalloc() i2c: mux: pca954x: allow management of device idle state via sysfs i2c: mux: pca9541: remove support for unused platform data i2c: mux: pca954x: remove support for unused platform data dt-bindings: i2c: i2c-mtk: add support for MT8516 i2c: axxia: use auto cmd for last message i2c: gpio: flag atomic capability if possible i2c: algo: bit: add flag to whitelist atomic transfers i2c: stu300: use xfer_atomic callback to bail out early i2c: ocores: enable atomic xfers i2c: ocores: refactor setup for polling i2c: tegra-bpmp: convert to use new atomic callbacks i2c: omap: Add the master_xfer_atomic hook ... |
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Linus Torvalds
|
8c79f4cd44 |
A reasonably busy cycle for docs, including:
- Lots of work on the Chinese and Italian translations - Some license-rules clarifications from Christoph - Various build-script fixes - A new document on memory models - RST conversion of the live-patching docs - The usual collection of typo fixes and corrections. -----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEIw+MvkEiF49krdp9F0NaE2wMflgFAlzSBFkPHGNvcmJldEBs d24ubmV0AAoJEBdDWhNsDH5YUDgIAIn+I0Wjv/vkuh5SKwAmz2wZBf46FCICz7Vg jePmhd1GQ3K9k/xzIKMoaJOipAl+IXT4AnGa9eu+9Xm+D6HejASvtt/uTce4+qPi 9VLu7GmbtQQ0imRi4jjitenrebQXSKudAYbH+/bz7ycH7twWVJWKNLNQ8im9U5Ul LRXQhRsYc2SwJ4mGOGTrqZkb69qkiOy0dQFGKbSM3ipHs/CQy8XMhlY/7aAh7t9N SmKyH341s4Z/dRZIpoSx2QOfSp7njwTw7hxrnOq5unB82u2zrYvVFGxp5kzfQIyC B/q26TG5hVNGH/37/+yOoziyP3Ma8IuF5W0zcg9DbmIi0Gdvg7s= =4Zhc -----END PGP SIGNATURE----- Merge tag 'docs-5.2' of git://git.lwn.net/linux Pull documentation updates from Jonathan Corbet: "A reasonably busy cycle for docs, including: - Lots of work on the Chinese and Italian translations - Some license-rules clarifications from Christoph - Various build-script fixes - A new document on memory models - RST conversion of the live-patching docs - The usual collection of typo fixes and corrections" * tag 'docs-5.2' of git://git.lwn.net/linux: (140 commits) docs/livepatch: Unify style of livepatch documentation in the ReST format docs: livepatch: convert docs to ReST and rename to *.rst scripts/documentation-file-ref-check: detect broken :doc:`foo` scripts/documentation-file-ref-check: don't parse Next/ dir LICENSES: Rename other to deprecated LICENSES: Clearly mark dual license only licenses docs: Don't reference the ZLib license in license-rules.rst docs/vm: Minor editorial changes in the THP and hugetlbfs docs/vm: add documentation of memory models doc:it_IT: translation alignment doc: fix typo in PGP guide dontdiff: update with Kconfig build artifacts docs/zh_CN: fix typos in 1.Intro.rst file docs/zh_CN: redirect CoC docs to Chinese version doc: mm: migration doesn't use FOLL_SPLIT anymore docs: doc-guide: remove the extension from .rst files doc: kselftest: Fix KBUILD_OUTPUT usage instructions docs: trace: fix some Sphinx warnings docs: speculation.txt: mark example blocks as such docs: ntb.txt: add blank lines to clean up some Sphinx warnings ... |
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Linus Torvalds
|
85c1a25494 |
Some minor cleanups for the IPMI driver.
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE/Q1c5nzg9ZpmiCaGYfOMkJGb/4EFAlzS/48ACgkQYfOMkJGb /4FR+A//W7ptI+1+qFRldcCsTJeHAxCpW5355RjCWf4fsXCes+AD+8rIMuaWJo+r b/LsQ4U/AMV/Yvr3s/8ilalC747RUyC0khjC2jkfeQQFiQnhdrTcZ3eANaWVbjjr PRj2H1rwueEwkiKFuP2J7qn0jg1wr1he0IP32n36/2b9ud5ZCS4algWuDTs+C5op WpMKvGlSHgCmGFt208KkYTAefAfSTAW89fL4xIE/vqfbRY88f/YwuhiKzGVWyGxt PUkx+NMfqUFhEvQ+Z1kmi4ddPgd+H4Y91yloyga8DoHfOkvDLTL0nxeL6QMN24QI DDLf9XPFxA1w//+6eF89e66LdLOutpgHtd2qC0SGvpgpl3OePeVvw2zwG+uq3gq0 +ApVvyHwfk2pYZ3qgdvBO2h+qK/KEc2lSd1uvC0iGV1B+gKCCGkSfcAnL0KK+fus 4d0tresn/5rmRjH32eYDyhtBsqAljGbYMO3dHjsXc3phRvdPgFnDPMmX1ilry4Nv RNerjXH1iJeGJzyqPgUAX+dCIVtnGpSCHX8UEcTawlXIyjFSE7wVEH6CFfS0xT3s qXb5/nAWExSdfOZoH7F3NO5f7EUaJk/XkLG5KAbCyfaKZR3FCg7ftltXEBjeILSU y61jZxzIOsq9zsMZcSKaSeeewoS1THXYBQQ7dmKJZSGIJ8Nq9Uk= =v2pN -----END PGP SIGNATURE----- Merge tag 'for-linus-5.2' of git://github.com/cminyard/linux-ipmi Pull IPMI updates from Corey Minyard: "Some minor cleanups for the IPMI driver" * tag 'for-linus-5.2' of git://github.com/cminyard/linux-ipmi: ipmi: Remove warning if no slave address is present ipmi:ssif: Only unregister the platform driver if it was registered ipmi:ssif: compare block number correctly for multi-part return messages ipmi: Add the i2c-addr property for SSIF interfaces char/ipmi: fix spelling mistake "receieved_messages" -> "received_messages" ipmi: avoid atomic_inc in exit function ipmi: Remove file from ipmi_file_private ipmi_si: remove an unused variable in try_smi_init() ipmi: Make ipmi_interfaces_srcu variable static |
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Linus Torvalds
|
132d68d37d |
USB/PHY patches for 5.2-rc1
Here is the big set of USB and PHY driver patches for 5.2-rc1 There is the usual set of: - USB gadget updates - PHY driver updates and additions - USB serial driver updates and fixes - typec updates and new chips supported - mtu3 driver updates - xhci driver updates - other tiny driver updates Nothing really interesting, just constant forward progress. All of these have been in linux-next for a while with no reported issues. The usb-gadget and usb-serial trees were merged a bit "late", but both of them had been in linux-next before they got merged here last Friday. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXNKuwg8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ymRUgCfa8Ri7KrCaBR5NHQcLhbdrX90ToQAmgNw7vpo fqt0XpNM0CSa9O/gOr79 =8HFh -----END PGP SIGNATURE----- Merge tag 'usb-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB/PHY updates from Greg KH: "Here is the big set of USB and PHY driver patches for 5.2-rc1 There is the usual set of: - USB gadget updates - PHY driver updates and additions - USB serial driver updates and fixes - typec updates and new chips supported - mtu3 driver updates - xhci driver updates - other tiny driver updates Nothing really interesting, just constant forward progress. All of these have been in linux-next for a while with no reported issues. The usb-gadget and usb-serial trees were merged a bit "late", but both of them had been in linux-next before they got merged here last Friday" * tag 'usb-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (206 commits) USB: serial: f81232: implement break control USB: serial: f81232: add high baud rate support USB: serial: f81232: clear overrun flag USB: serial: f81232: fix interrupt worker not stop usb: dwc3: Rename DWC3_DCTL_LPM_ERRATA usb: dwc3: Fix default lpm_nyet_threshold value usb: dwc3: debug: Print GET_STATUS(device) tracepoint usb: dwc3: Do core validation early on probe usb: dwc3: gadget: Set lpm_capable usb: gadget: atmel: tie wake lock to running clock usb: gadget: atmel: support USB suspend usb: gadget: atmel_usba_udc: simplify setting of interrupt-enabled mask dwc2: gadget: Fix completed transfer size calculation in DDMA usb: dwc2: Set lpm mode parameters depend on HW configuration usb: dwc2: Fix channel disable flow usb: dwc2: Set actual frame number for completed ISOC transfer usb: gadget: do not use __constant_cpu_to_le16 usb: dwc2: gadget: Increase descriptors count for ISOC's usb: introduce usb_ep_type_string() function usb: dwc3: move synchronize_irq() out of the spinlock protected block ... |
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Linus Torvalds
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80f232121b |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
"Highlights:
1) Support AES128-CCM ciphers in kTLS, from Vakul Garg.
2) Add fib_sync_mem to control the amount of dirty memory we allow to
queue up between synchronize RCU calls, from David Ahern.
3) Make flow classifier more lockless, from Vlad Buslov.
4) Add PHY downshift support to aquantia driver, from Heiner
Kallweit.
5) Add SKB cache for TCP rx and tx, from Eric Dumazet. This reduces
contention on SLAB spinlocks in heavy RPC workloads.
6) Partial GSO offload support in XFRM, from Boris Pismenny.
7) Add fast link down support to ethtool, from Heiner Kallweit.
8) Use siphash for IP ID generator, from Eric Dumazet.
9) Pull nexthops even further out from ipv4/ipv6 routes and FIB
entries, from David Ahern.
10) Move skb->xmit_more into a per-cpu variable, from Florian
Westphal.
11) Improve eBPF verifier speed and increase maximum program size,
from Alexei Starovoitov.
12) Eliminate per-bucket spinlocks in rhashtable, and instead use bit
spinlocks. From Neil Brown.
13) Allow tunneling with GUE encap in ipvs, from Jacky Hu.
14) Improve link partner cap detection in generic PHY code, from
Heiner Kallweit.
15) Add layer 2 encap support to bpf_skb_adjust_room(), from Alan
Maguire.
16) Remove SKB list implementation assumptions in SCTP, your's truly.
17) Various cleanups, optimizations, and simplifications in r8169
driver. From Heiner Kallweit.
18) Add memory accounting on TX and RX path of SCTP, from Xin Long.
19) Switch PHY drivers over to use dynamic featue detection, from
Heiner Kallweit.
20) Support flow steering without masking in dpaa2-eth, from Ioana
Ciocoi.
21) Implement ndo_get_devlink_port in netdevsim driver, from Jiri
Pirko.
22) Increase the strict parsing of current and future netlink
attributes, also export such policies to userspace. From Johannes
Berg.
23) Allow DSA tag drivers to be modular, from Andrew Lunn.
24) Remove legacy DSA probing support, also from Andrew Lunn.
25) Allow ll_temac driver to be used on non-x86 platforms, from Esben
Haabendal.
26) Add a generic tracepoint for TX queue timeouts to ease debugging,
from Cong Wang.
27) More indirect call optimizations, from Paolo Abeni"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1763 commits)
cxgb4: Fix error path in cxgb4_init_module
net: phy: improve pause mode reporting in phy_print_status
dt-bindings: net: Fix a typo in the phy-mode list for ethernet bindings
net: macb: Change interrupt and napi enable order in open
net: ll_temac: Improve error message on error IRQ
net/sched: remove block pointer from common offload structure
net: ethernet: support of_get_mac_address new ERR_PTR error
net: usb: smsc: fix warning reported by kbuild test robot
staging: octeon-ethernet: Fix of_get_mac_address ERR_PTR check
net: dsa: support of_get_mac_address new ERR_PTR error
net: dsa: sja1105: Fix status initialization in sja1105_get_ethtool_stats
vrf: sit mtu should not be updated when vrf netdev is the link
net: dsa: Fix error cleanup path in dsa_init_module
l2tp: Fix possible NULL pointer dereference
taprio: add null check on sched_nest to avoid potential null pointer dereference
net: mvpp2: cls: fix less than zero check on a u32 variable
net_sched: sch_fq: handle non connected flows
net_sched: sch_fq: do not assume EDT packets are ordered
net: hns3: use devm_kcalloc when allocating desc_cb
net: hns3: some cleanup for struct hns3_enet_ring
...
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Mauro Carvalho Chehab
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89e33ea732 |
docs: livepatch: convert docs to ReST and rename to *.rst
Convert livepatch documentation to ReST format. The changes
are mostly trivial, as the documents are already on a good
shape. Just a few markup changes are needed for Sphinx to
properly parse the docs.
The conversion is actually:
- add blank lines and identation in order to identify paragraphs;
- fix tables markups;
- add some lists markups;
- mark literal blocks;
- The in-file TOC becomes a comment, in order to skip it from the
output, as Sphinx already generates an index there.
- adjust title markups.
At its new index.rst, let's add a :orphan: while this is not linked to
the main index.rst file, in order to avoid build warnings.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Joe Lawrence <joe.lawrence@redhat.com>
Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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Linus Torvalds
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f678d6da74 |
Char/Misc patches for 5.2-rc1 - part 2
Here is the "real" big set of char/misc driver patches for 5.2-rc1
Loads of different driver subsystem stuff in here, all over the places:
- thunderbolt driver updates
- habanalabs driver updates
- nvmem driver updates
- extcon driver updates
- intel_th driver updates
- mei driver updates
- coresight driver updates
- soundwire driver cleanups and updates
- fastrpc driver updates
- other minor driver updates
- chardev minor fixups
Feels like this tree is getting to be a dumping ground of "small driver
subsystems" these days. Which is fine with me, if it makes things
easier for those subsystem maintainers.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.2-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc update part 2 from Greg KH:
"Here is the "real" big set of char/misc driver patches for 5.2-rc1
Loads of different driver subsystem stuff in here, all over the places:
- thunderbolt driver updates
- habanalabs driver updates
- nvmem driver updates
- extcon driver updates
- intel_th driver updates
- mei driver updates
- coresight driver updates
- soundwire driver cleanups and updates
- fastrpc driver updates
- other minor driver updates
- chardev minor fixups
Feels like this tree is getting to be a dumping ground of "small
driver subsystems" these days. Which is fine with me, if it makes
things easier for those subsystem maintainers.
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.2-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (255 commits)
intel_th: msu: Add current window tracking
intel_th: msu: Add a sysfs attribute to trigger window switch
intel_th: msu: Correct the block wrap detection
intel_th: Add switch triggering support
intel_th: gth: Factor out trace start/stop
intel_th: msu: Factor out pipeline draining
intel_th: msu: Switch over to scatterlist
intel_th: msu: Replace open-coded list_{first,last,next}_entry variants
intel_th: Only report useful IRQs to subdevices
intel_th: msu: Start handling IRQs
intel_th: pci: Use MSI interrupt signalling
intel_th: Communicate IRQ via resource
intel_th: Add "rtit" source device
intel_th: Skip subdevices if their MMIO is missing
intel_th: Rework resource passing between glue layers and core
intel_th: SPDX-ify the documentation
intel_th: msu: Fix single mode with IOMMU
coresight: funnel: Support static funnel
dt-bindings: arm: coresight: Unify funnel DT binding
coresight: replicator: Add new device id for static replicator
...
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Linus Torvalds
|
2310673c3c |
Char/Misc patches for 5.2-rc1 - part 1
This is the first pull request for the char/misc driver tree for 5.2-rc1 This contains only a small number of bugfixes that would have gone to you for 5.1-rc8 if that had happened, but instead I let them sit in linux-next for an extra week just "to be sure". The "big" patch here is for hyper-v, fixing a bug in their sysfs files that could cause big problems. The others are all small fixes, resolving reported issues that showed up in 5.1-rcs, plus some odd 'static' cleanups for the phy drivers that really should have waited for -rc1. Most of these are tagged for the stable trees, so 5.1 will pick them up. All of these have been in linux-next for a while, with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXNHCBQ8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ykBdgCdHD/BEKQrdhFsyfNdqlqF9wbrfZoAoLEFGwCZ 1TMdkE1qIcSr+BgOyI8a =croh -----END PGP SIGNATURE----- Merge tag 'char-misc-5.2-rc1-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc update part 1 from Greg KH: "This contains only a small number of bugfixes that would have gone to you for 5.1-rc8 if that had happened, but instead I let them sit in linux-next for an extra week just "to be sure". The "big" patch here is for hyper-v, fixing a bug in their sysfs files that could cause big problems. The others are all small fixes, resolving reported issues that showed up in 5.1-rcs, plus some odd 'static' cleanups for the phy drivers that really should have waited for -rc1. Most of these are tagged for the stable trees, so 5.1 will pick them up. All of these have been in linux-next for a while, with no reported issues" * tag 'char-misc-5.2-rc1-part1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: misc: rtsx: Fixed rts5260 power saving parameter and sd glitch binder: take read mode of mmap_sem in binder_alloc_free_page() intel_th: pci: Add Comet Lake support stm class: Fix channel bitmap on 32-bit systems stm class: Fix channel free in stm output free path phy: sun4i-usb: Make sure to disable PHY0 passby for peripheral mode phy: fix platform_no_drv_owner.cocci warnings phy: mapphone-mdm6600: add gpiolib dependency phy: ti: usb2: fix OMAP_CONTROL_PHY dependency phy: allwinner: allow compile testing phy: qcom-ufs: Make ufs_qcom_phy_disable_iface_clk static phy: rockchip-typec: Make usb3_pll_cfg and dp_pll_cfg static phy: phy-twl4030-usb: Fix cable state handling Drivers: hv: vmbus: Remove the undesired put_cpu_ptr() in hv_synic_cleanup() Drivers: hv: vmbus: Fix race condition with new ring_buffer_info mutex Drivers: hv: vmbus: Set ring_info field to 0 and remove memset Drivers: hv: vmbus: Refactor chan->state if statement Drivers: hv: vmbus: Expose monitor data only when monitor pages are used |
||
|
Linus Torvalds
|
e0dccbdf5a |
Staging / IIO driver patches for 5.2-rc1
Here is the big staging and iio driver update for 5.2-rc1.
Lots of tiny fixes all over the staging and IIO driver trees here, along
with some new IIO drivers.
Also we ended up deleting two drivers, making this pull request remove a
few hundred thousand lines of code, always a nice thing to see. Both of
the drivers removed have been replaced with "real" drivers in their
various subsystem directories, and they will be coming to you from those
locations during this merge window.
There are some core vt/selection changes in here, that was due to some
cleanups needed for the speakup fixes. Those have all been acked by the
various subsystem maintainers (i.e. me), so those are ok.
We also added a few new drivers, for some odd hardware, giving new
developers plenty to work on with basic coding style cleanups to come in
the near future.
Other than that, nothing unusual here.
All of these have been in linux-next for a while with no reported
issues, other than an odd gcc warning for one of the new drivers that
should be fixed up soon.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging / IIO driver updates from Greg KH:
"Here is the big staging and iio driver update for 5.2-rc1.
Lots of tiny fixes all over the staging and IIO driver trees here,
along with some new IIO drivers.
The "counter" subsystem was added in here as well, as it is needed by
the IIO drivers and subsystem.
Also we ended up deleting two drivers, making this pull request remove
a few hundred thousand lines of code, always a nice thing to see. Both
of the drivers removed have been replaced with "real" drivers in their
various subsystem directories, and they will be coming to you from
those locations during this merge window.
There are some core vt/selection changes in here, that was due to some
cleanups needed for the speakup fixes. Those have all been acked by
the various subsystem maintainers (i.e. me), so those are ok.
We also added a few new drivers, for some odd hardware, giving new
developers plenty to work on with basic coding style cleanups to come
in the near future.
Other than that, nothing unusual here.
All of these have been in linux-next for a while with no reported
issues, other than an odd gcc warning for one of the new drivers that
should be fixed up soon"
[ I fixed up the warning myself - Linus ]
* tag 'staging-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (663 commits)
staging: kpc2000: kpc_spi: Fix build error for {read,write}q
Staging: rtl8192e: Remove extra space before break statement
Staging: rtl8192u: ieee80211: Fix if-else indentation warning
Staging: rtl8192u: ieee80211: Fix indentation errors by removing extra spaces
staging: most: cdev: fix chrdev_region leak in mod_exit
staging: wlan-ng: Fix improper SPDX comment style
staging: rtl8192u: ieee80211: Resolve ERROR reported by checkpatch
staging: vc04_services: bcm2835-camera: Compress two lines into one line
staging: rtl8723bs: core: Use !x in place of NULL comparison.
staging: rtl8723bs: core: Prefer using the BIT Macro.
staging: fieldbus: anybus-s: fix wait_for_completion_timeout return handling
staging: kpc2000: fix up build problems with readq()
staging: rtlwifi: move remaining phydm .h files
staging: rtlwifi: strip down phydm .h files
staging: rtlwifi: delete the staging driver
staging: fieldbus: anybus-s: rename bus id field to avoid confusion
staging: fieldbus: anybus-s: keep device bus id in bus endianness
Staging: sm750fb: Change *array into *const array
staging: rtl8192u: ieee80211: Fix spelling mistake
staging: rtl8192u: ieee80211: Replace bit shifting with BIT macro
...
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Linus Torvalds
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cf482a49af |
Driver core/kobject patches for 5.2-rc1
Here is the "big" set of driver core patches for 5.2-rc1
There are a number of ACPI patches in here as well, as Rafael said they
should go through this tree due to the driver core changes they
required. They have all been acked by the ACPI developers.
There are also a number of small subsystem-specific changes in here, due
to some changes to the kobject core code. Those too have all been acked
by the various subsystem maintainers.
As for content, it's pretty boring outside of the ACPI changes:
- spdx cleanups
- kobject documentation updates
- default attribute groups for kobjects
- other minor kobject/driver core fixes
All have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core/kobject updates from Greg KH:
"Here is the "big" set of driver core patches for 5.2-rc1
There are a number of ACPI patches in here as well, as Rafael said
they should go through this tree due to the driver core changes they
required. They have all been acked by the ACPI developers.
There are also a number of small subsystem-specific changes in here,
due to some changes to the kobject core code. Those too have all been
acked by the various subsystem maintainers.
As for content, it's pretty boring outside of the ACPI changes:
- spdx cleanups
- kobject documentation updates
- default attribute groups for kobjects
- other minor kobject/driver core fixes
All have been in linux-next for a while with no reported issues"
* tag 'driver-core-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (47 commits)
kobject: clean up the kobject add documentation a bit more
kobject: Fix kernel-doc comment first line
kobject: Remove docstring reference to kset
firmware_loader: Fix a typo ("syfs" -> "sysfs")
kobject: fix dereference before null check on kobj
Revert "driver core: platform: Fix the usage of platform device name(pdev->name)"
init/config: Do not select BUILD_BIN2C for IKCONFIG
Provide in-kernel headers to make extending kernel easier
kobject: Improve doc clarity kobject_init_and_add()
kobject: Improve docs for kobject_add/del
driver core: platform: Fix the usage of platform device name(pdev->name)
livepatch: Replace klp_ktype_patch's default_attrs with groups
cpufreq: schedutil: Replace default_attrs field with groups
padata: Replace padata_attr_type default_attrs field with groups
irqdesc: Replace irq_kobj_type's default_attrs field with groups
net-sysfs: Replace ktype default_attrs field with groups
block: Replace all ktype default_attrs with groups
samples/kobject: Replace foo_ktype's default_attrs field with groups
kobject: Add support for default attribute groups to kobj_type
driver core: Postpone DMA tear-down until after devres release for probe failure
...
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Linus Torvalds
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8f5e823f91 |
Power management updates for 5.2-rc1
- Fix the handling of Performance and Energy Bias Hint (EPB) on
Intel processors and expose it to user space via sysfs to avoid
having to access it through the generic MSR I/F (Rafael Wysocki).
- Improve the handling of global turbo changes made by the platform
firmware in the intel_pstate driver (Rafael Wysocki).
- Convert some slow-path static_cpu_has() callers to boot_cpu_has()
in cpufreq (Borislav Petkov).
- Fix the frequency calculation loop in the armada-37xx cpufreq
driver (Gregory CLEMENT).
- Fix possible object reference leaks in multuple cpufreq drivers
(Wen Yang).
- Fix kerneldoc comment in the centrino cpufreq driver (dongjian).
- Clean up the ACPI and maple cpufreq drivers (Viresh Kumar, Mohan
Kumar).
- Add support for lx2160a and ls1028a to the qoriq cpufreq driver
(Vabhav Sharma, Yuantian Tang).
- Fix kobject memory leak in the cpufreq core (Viresh Kumar).
- Simplify the IOwait boosting in the schedutil cpufreq governor
and rework the TSC cpufreq notifier on x86 (Rafael Wysocki).
- Clean up the cpufreq core and statistics code (Yue Hu, Kyle Lin).
- Improve the cpufreq documentation, add SPDX license tags to
some PM documentation files and unify copyright notices in
them (Rafael Wysocki).
- Add support for "CPU" domains to the generic power domains (genpd)
framework and provide low-level PSCI firmware support for that
feature (Ulf Hansson).
- Rearrange the PSCI firmware support code and add support for
SYSTEM_RESET2 to it (Ulf Hansson, Sudeep Holla).
- Improve genpd support for devices in multiple power domains (Ulf
Hansson).
- Unify target residency for the AFTR and coupled AFTR states in the
exynos cpuidle driver (Marek Szyprowski).
- Introduce new helper routine in the operating performance points
(OPP) framework (Andrew-sh.Cheng).
- Add support for passing on-die termination (ODT) and auto power
down parameters from the kernel to Trusted Firmware-A (TF-A) to
the rk3399_dmc devfreq driver (Enric Balletbo i Serra).
- Add tracing to devfreq (Lukasz Luba).
- Make the exynos-bus devfreq driver suspend all devices on system
shutdown (Marek Szyprowski).
- Fix a few minor issues in the devfreq subsystem and clean it up
somewhat (Enric Balletbo i Serra, MyungJoo Ham, Rob Herring,
Saravana Kannan, Yangtao Li).
- Improve system wakeup diagnostics (Stephen Boyd).
- Rework filesystem sync messages emitted during system suspend and
hibernation (Harry Pan).
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Merge tag 'pm-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These fix the (Intel-specific) Performance and Energy Bias Hint (EPB)
handling and expose it to user space via sysfs, fix and clean up
several cpufreq drivers, add support for two new chips to the qoriq
cpufreq driver, fix, simplify and clean up the cpufreq core and the
schedutil governor, add support for "CPU" domains to the generic power
domains (genpd) framework and provide low-level PSCI firmware support
for that feature, fix the exynos cpuidle driver and fix a couple of
issues in the devfreq subsystem and clean it up.
Specifics:
- Fix the handling of Performance and Energy Bias Hint (EPB) on Intel
processors and expose it to user space via sysfs to avoid having to
access it through the generic MSR I/F (Rafael Wysocki).
- Improve the handling of global turbo changes made by the platform
firmware in the intel_pstate driver (Rafael Wysocki).
- Convert some slow-path static_cpu_has() callers to boot_cpu_has()
in cpufreq (Borislav Petkov).
- Fix the frequency calculation loop in the armada-37xx cpufreq
driver (Gregory CLEMENT).
- Fix possible object reference leaks in multuple cpufreq drivers
(Wen Yang).
- Fix kerneldoc comment in the centrino cpufreq driver (dongjian).
- Clean up the ACPI and maple cpufreq drivers (Viresh Kumar, Mohan
Kumar).
- Add support for lx2160a and ls1028a to the qoriq cpufreq driver
(Vabhav Sharma, Yuantian Tang).
- Fix kobject memory leak in the cpufreq core (Viresh Kumar).
- Simplify the IOwait boosting in the schedutil cpufreq governor and
rework the TSC cpufreq notifier on x86 (Rafael Wysocki).
- Clean up the cpufreq core and statistics code (Yue Hu, Kyle Lin).
- Improve the cpufreq documentation, add SPDX license tags to some PM
documentation files and unify copyright notices in them (Rafael
Wysocki).
- Add support for "CPU" domains to the generic power domains (genpd)
framework and provide low-level PSCI firmware support for that
feature (Ulf Hansson).
- Rearrange the PSCI firmware support code and add support for
SYSTEM_RESET2 to it (Ulf Hansson, Sudeep Holla).
- Improve genpd support for devices in multiple power domains (Ulf
Hansson).
- Unify target residency for the AFTR and coupled AFTR states in the
exynos cpuidle driver (Marek Szyprowski).
- Introduce new helper routine in the operating performance points
(OPP) framework (Andrew-sh.Cheng).
- Add support for passing on-die termination (ODT) and auto power
down parameters from the kernel to Trusted Firmware-A (TF-A) to the
rk3399_dmc devfreq driver (Enric Balletbo i Serra).
- Add tracing to devfreq (Lukasz Luba).
- Make the exynos-bus devfreq driver suspend all devices on system
shutdown (Marek Szyprowski).
- Fix a few minor issues in the devfreq subsystem and clean it up
somewhat (Enric Balletbo i Serra, MyungJoo Ham, Rob Herring,
Saravana Kannan, Yangtao Li).
- Improve system wakeup diagnostics (Stephen Boyd).
- Rework filesystem sync messages emitted during system suspend and
hibernation (Harry Pan)"
* tag 'pm-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (72 commits)
cpufreq: Fix kobject memleak
cpufreq: armada-37xx: fix frequency calculation for opp
cpufreq: centrino: Fix centrino_setpolicy() kerneldoc comment
cpufreq: qoriq: add support for lx2160a
x86: tsc: Rework time_cpufreq_notifier()
PM / Domains: Allow to attach a CPU via genpd_dev_pm_attach_by_id|name()
PM / Domains: Search for the CPU device outside the genpd lock
PM / Domains: Drop unused in-parameter to some genpd functions
PM / Domains: Use the base device for driver_deferred_probe_check_state()
cpufreq: qoriq: Add ls1028a chip support
PM / Domains: Enable genpd_dev_pm_attach_by_id|name() for single PM domain
PM / Domains: Allow OF lookup for multi PM domain case from ->attach_dev()
PM / Domains: Don't kfree() the virtual device in the error path
cpufreq: Move ->get callback check outside of __cpufreq_get()
PM / Domains: remove unnecessary unlikely()
cpufreq: Remove needless bios_limit check in show_bios_limit()
drivers/cpufreq/acpi-cpufreq.c: This fixes the following checkpatch warning
firmware/psci: add support for SYSTEM_RESET2
PM / devfreq: add tracing for scheduling work
trace: events: add devfreq trace event file
...
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Alexander Shishkin
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6cac7866c2 |
intel_th: msu: Add a sysfs attribute to trigger window switch
Now that we have the means to trigger a window switch for the MSU trace store, add a sysfs file to allow triggering it from userspace. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Patrick Havelange
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d8ea4ccfae |
counter: ftm-quaddec: Documentation: Add specific counter sysfs documentation
This adds documentation for the specific prescaler entry. Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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William Breathitt Gray
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4bb00e934d |
iio: counter: Add deprecation markings for IIO Counter attributes
The IIO counter subdirectory is now superceded by the Counter subsystem. This patch adds deprecation warnings to the documentation of the relevant IIO Counter sysfs attributes. Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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William Breathitt Gray
|
7e798ef90c |
counter: 104-quad-8: Documentation: Add Generic Counter sysfs documentation
This patch adds standard documentation for the Generic Counter interface userspace sysfs attributes of the 104-QUAD-8 driver. Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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|
William Breathitt Gray
|
ea2b23b895 |
counter: Documentation: Add Generic Counter sysfs documentation
This patch adds standard documentation for the userspace sysfs attributes of the Generic Counter interface. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Srinivas Kandagatla
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ae0c2d7255 |
nvmem: core: add NVMEM_SYSFS Kconfig
Many nvmem providers are not very keen on having default sysfs nvmem entry, as most of the usecases for them are inside kernel itself. And in some cases read/writes to some areas in nvmem are restricted and trapped at secure monitor level, so accessing them from userspace would result in board reboots. This patch adds new NVMEM_SYSFS Kconfig to make binary sysfs entry an optional one. This provision will give more flexibility to users. This patch also moves existing sysfs code to a new file so that its not compiled in when its not really required. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Gaurav Kohli <gkohli@codeaurora.org> Tested-by: Gaurav Kohli <gkohli@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Alexander Usyskin
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43b8a7ed47 |
mei: expose device state in sysfs
Expose mei device state to user-space through sysfs. This gives indication to applications that driver is in transition, usefully mostly to detect link reset state. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Raul E Rangel
|
a4d6a2989d |
usb/hcd: Send a uevent signaling that the host controller had died
This change will send an OFFLINE event to udev with the ERROR=DEAD environment variable set when the HC dies. By notifying user space the appropriate policies can be applied. i.e., * Collect error logs. * Notify the user that USB is no longer functional. * Perform a graceful reboot. Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Raul E Rangel <rrangel@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Ajay Gupta
|
5c9ae5a875 |
usb: typec: ucsi: ccg: add firmware flashing support
CCGx has two copies of the firmware in addition to the bootloader. If the device is running FW1, FW2 can be updated with the new version. Dual firmware mode allows the CCG device to stay in a PD contract and support USB PD and Type-C functionality while a firmware update is in progress. First we read the currently flashed firmware version of both primary and secondary firmware and then compare it with version of firmware file to determine if flashing is required. Command framework is added to support sending commands to CCGx controller. We wait for response after sending the command and then read the response from RAB_RESPONSE register. Below commands are supported, - ENTER_FLASHING - RESET - PDPORT_ENABLE - JUMP_TO_BOOT - FLASH_ROW_RW - VALIDATE_FW Command specific mutex lock is also added to sync between driver and user threads. PD port number information is added which is required while sending PD_PORT_ENABLE command Signed-off-by: Ajay Gupta <ajayg@nvidia.com> [ heikki: Added ABI documentation. ] Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Robert Shearman
|
f1fb64b04b |
i2c: mux: pca954x: allow management of device idle state via sysfs
The behaviour, by default, to not deselect after each transfer is unsafe when there is a device with an address that conflicts with another device on another mux on the same parent bus, and it may not be convenient to use devicetree to set the deselect mux, e.g. when running on x86_64 when ACPI is used to discover most of the device hierarchy. Therefore, provide the ability to set the idle state behaviour using a new sysfs file, idle_state as a complement to the method of instantiating the device via sysfs. The possible behaviours are disconnect, i.e. to deselect all channels from the mux, as-is (the default), i.e. leave the last channel selected, and set a predetermined channel. The current behaviour of leaving the channel as-is after each transaction is preserved. Signed-off-by: Robert Shearman <robert.shearman@att.com> Signed-off-by: Peter Rosin <peda@axentia.se> |
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Colin Ian King
|
b779ceadf5 |
char/ipmi: fix spelling mistake "receieved_messages" -> "received_messages"
There is a spelling mistake in the documentation. Fix it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Message-Id: <20190418101502.9748-1-colin.king@canonical.com> Reviewed-by: Mukesh Ojha <mojha@codeaurora.org> Signed-off-by: Corey Minyard <cminyard@mvista.com> |
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Nick Crews
|
9e2b0e0be6 |
platform/chrome: wilco_ec: Add h1_gpio status to debugfs
As part of Chrome OS's FAFT (Fully Automated Firmware Testing) tests, we need to ensure that the H1 chip is properly setting some GPIO lines. The h1_gpio attribute exposes the state of the lines: - ENTRY_TO_FACT_MODE in BIT(0) - SPI_CHROME_SEL in BIT(1) There are two reasons that I am exposing this in debugfs, and not as a GPIO: 1. This is only useful for testing, so end users shouldn't ever care about this. In fact, if it passes the tests, then the value of h1_gpio will always be 2, so it would be really uninteresting for users. 2. This GPIO is not connected to, controlled by, or really even related to the AP. The GPIO runs between the EC and the H1 security chip. Changes in v4: - Use "0x02x\n" instead of "02x\n" for format string - Use DEFINE_DEBUGFS_ATTRIBUTE() - Add documentation Changes in v3: - Fix documentation to correspond with formatting change in v2. Changes in v2: - Zero out the unused fields in the request. - Format result as "%02x\n" instead of as a decimal. Signed-off-by: Nick Crews <ncrews@chromium.org> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> |
||
|
Nick Crews
|
14e14aaf61 |
platform/chrome: wilco_ec: Standardize mailbox interface
The current API for the wilco EC mailbox interface is bad. It assumes that most messages sent to the EC follow a similar structure, with a command byte in MBOX[0], followed by a junk byte, followed by actual data. This doesn't happen in several cases, such as setting the RTC time, using the raw debugfs interface, and reading or writing properties such as the Peak Shift policy (this last to be submitted soon). Similarly for the response message from the EC, the current interface assumes that the first byte of data is always 0, and the second byte is unused. However, in both setting and getting the RTC time, in the debugfs interface, and for reading and writing properties, this isn't true. The current way to resolve this is to use WILCO_EC_FLAG_RAW* flags to specify when and when not to skip these initial bytes in the sent and received message. They are confusing and used so much that they are normal, and not exceptions. In addition, the first byte of response in the debugfs interface is still always skipped, which is weird, since this raw interface should be giving the entire result. Additionally, sent messages assume the first byte is a command, and so struct wilco_ec_message contains the "command" field. In setting or getting properties however, the first byte is not a command, and so this field has to be filled with a byte that isn't actually a command. This is again inconsistent. wilco_ec_message contains a result field as well, copied from wilco_ec_response->result. The message result field should be removed: if the message fails, the cause is already logged, and the callers are alerted. They will never care about the actual state of the result flag. These flags and different cases make the wilco_ec_transfer() function, used in wilco_ec_mailbox(), really gross, dealing with a bunch of different cases. It's difficult to figure out what it is doing. Finally, making these assumptions about the structure of a message make it so that the messages do not correspond well with the specification for the EC's mailbox interface. For instance, this interface specification may say that MBOX[9] in the received message contains some information, but the calling code needs to remember that the first byte of response is always skipped, and because it didn't set the RESPONSE_RAW flag, the next byte is also skipped, so this information is actually contained within wilco_ec_message->response_data[7]. This makes it difficult to maintain this code in the future. To fix these problems this patch standardizes the mailbox interface by: - Removing the WILCO_EC_FLAG_RAW* flags - Removing the command and reserved_raw bytes from wilco_ec_request - Removing the mbox0 byte from wilco_ec_response - Simplifying wilco_ec_transfer() because of these changes - Gives the callers of wilco_ec_mailbox() the responsibility of exactly and consistently defining the structure of the mailbox request and response - Removing command and result from wilco_ec_message. This results in the reduction of total code, and makes it much more maintainable and understandable. Signed-off-by: Nick Crews <ncrews@chromium.org> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> |
||
Rafael J. Wysocki
|
b9c273babc |
PM / arch: x86: MSR_IA32_ENERGY_PERF_BIAS sysfs interface
The Performance and Energy Bias Hint (EPB) is expected to be set by user space through the generic MSR interface, but that interface is not particularly nice and there are security concerns regarding it, so it is not always available. For this reason, add a sysfs interface for reading and updating the EPB, in the form of a new attribute, energy_perf_bias, located under /sys/devices/system/cpu/cpu#/power/ for online CPUs that support the EPB feature. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Acked-by: Borislav Petkov <bp@suse.de> |
||
Paresh Chaudhary
|
fb55a51310 |
iio:temperature: Add MAX31856 thermocouple support
This patch adds support for Maxim MAX31856 thermocouple temperature sensor support. More information can be found in: https://www.maximintegrated.com/en/ds/MAX31856.pdf NOTE: Driver support only Comparator Mode. Signed-off-by: Paresh Chaudhary <paresh.chaudhary@rockwellcollins.com> Signed-off-by: Matt Weber <matthew.weber@rockwellcollins.com> Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
Marcelo Schmitt
|
a816646f08 |
staging: iio: ad5933: add ABI documentation
Add an ABI documentation for the ad5933 driver. Signed-off-by: Marcelo Schmitt <marcelo.schmitt1@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
Tomasz Duszynski
|
722f2cca9a |
iio: chemical: sps30: fix attribute kernel version
4.22 have never existed and this change was actually added to 5.0 hence fix the numbering. Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
Keith Busch
|
acc02a109b |
node: Add memory-side caching attributes
System memory may have caches to help improve access speed to frequently requested address ranges. While the system provided cache is transparent to the software accessing these memory ranges, applications can optimize their own access based on cache attributes. Provide a new API for the kernel to register these memory-side caches under the memory node that provides it. The new sysfs representation is modeled from the existing cpu cacheinfo attributes, as seen from /sys/devices/system/cpu/<cpu>/cache/. Unlike CPU cacheinfo though, the node cache level is reported from the view of the memory. A higher level number is nearer to the CPU, while lower levels are closer to the last level memory. The exported attributes are the cache size, the line size, associativity indexing, and write back policy, and add the attributes for the system memory caches to sysfs stable documentation. Signed-off-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Brice Goglin <Brice.Goglin@inria.fr> Tested-by: Brice Goglin <Brice.Goglin@inria.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Keith Busch
|
e1cf33aafb |
node: Add heterogenous memory access attributes
Heterogeneous memory systems provide memory nodes with different latency and bandwidth performance attributes. Provide a new kernel interface for subsystems to register the attributes under the memory target node's initiator access class. If the system provides this information, applications may query these attributes when deciding which node to request memory. The following example shows the new sysfs hierarchy for a node exporting performance attributes: # tree -P "read*|write*"/sys/devices/system/node/nodeY/accessZ/initiators/ /sys/devices/system/node/nodeY/accessZ/initiators/ |-- read_bandwidth |-- read_latency |-- write_bandwidth `-- write_latency The bandwidth is exported as MB/s and latency is reported in nanoseconds. The values are taken from the platform as reported by the manufacturer. Memory accesses from an initiator node that is not one of the memory's access "Z" initiator nodes linked in the same directory may observe different performance than reported here. When a subsystem makes use of this interface, initiators of a different access number may not have the same performance relative to initiators in other access numbers, or omitted from the any access class' initiators. Descriptions for memory access initiator performance access attributes are added to sysfs stable documentation. Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Brice Goglin <Brice.Goglin@inria.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Keith Busch
|
08d9dbe72b |
node: Link memory nodes to their compute nodes
Systems may be constructed with various specialized nodes. Some nodes may provide memory, some provide compute devices that access and use that memory, and others may provide both. Nodes that provide memory are referred to as memory targets, and nodes that can initiate memory access are referred to as memory initiators. Memory targets will often have varying access characteristics from different initiators, and platforms may have ways to express those relationships. In preparation for these systems, provide interfaces for the kernel to export the memory relationship among different nodes memory targets and their initiators with symlinks to each other. If a system provides access locality for each initiator-target pair, nodes may be grouped into ranked access classes relative to other nodes. The new interface allows a subsystem to register relationships of varying classes if available and desired to be exported. A memory initiator may have multiple memory targets in the same access class. The target memory's initiators in a given class indicate the nodes access characteristics share the same performance relative to other linked initiator nodes. Each target within an initiator's access class, though, do not necessarily perform the same as each other. A memory target node may have multiple memory initiators. All linked initiators in a target's class have the same access characteristics to that target. The following example show the nodes' new sysfs hierarchy for a memory target node 'Y' with access class 0 from initiator node 'X': # symlinks -v /sys/devices/system/node/nodeX/access0/ relative: /sys/devices/system/node/nodeX/access0/targets/nodeY -> ../../nodeY # symlinks -v /sys/devices/system/node/nodeY/access0/ relative: /sys/devices/system/node/nodeY/access0/initiators/nodeX -> ../../nodeX The new attributes are added to the sysfs stable documentation. Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Brice Goglin <Brice.Goglin@inria.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
Josh Poimboeuf
|
de7b77e5bb |
cpu/hotplug: Create SMT sysfs interface for all arches
Make the /sys/devices/system/cpu/smt/* files available on all arches, so user space has a consistent way to detect whether SMT is enabled. The 'control' file now shows 'notimplemented' for architectures which don't yet have CONFIG_HOTPLUG_SMT. [ tglx: Make notimplemented a real state ] Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Waiman Long <longman@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Jiri Kosina <jikos@kernel.org> Link: https://lkml.kernel.org/r/469c2b98055f2c41e75748e06447d592a64080c9.1553635520.git.jpoimboe@redhat.com |
||
David S. Miller
|
ede1fd1851 |
This feature/cleanup patchset includes the following patches:
- Drop license boilerplate (obsoleted by SPDX license IDs),
by Sven Eckelmann
- Drop documentation for sysfs and debugfs Documentation,
by Sven Eckelmann (2 patches)
- Mark sysfs as optional and deprecated, by Sven Eckelmann (3 patches)
- Update MAINTAINERS Tree, Chat and Bugtracker,
by Sven Eckelmann (3 patches)
- Rename batadv_dat_send_data, by Sven Eckelmann
- update DAT entries with incoming ARP replies, by Linus Luessing
- add multicast-to-unicast support for limited destinations,
by Linus Luessing
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Merge tag 'batadv-next-for-davem-20190328' of git://git.open-mesh.org/linux-merge
Simon Wunderlich says:
====================
This feature/cleanup patchset includes the following patches:
- Drop license boilerplate (obsoleted by SPDX license IDs),
by Sven Eckelmann
- Drop documentation for sysfs and debugfs Documentation,
by Sven Eckelmann (2 patches)
- Mark sysfs as optional and deprecated, by Sven Eckelmann (3 patches)
- Update MAINTAINERS Tree, Chat and Bugtracker,
by Sven Eckelmann (3 patches)
- Rename batadv_dat_send_data, by Sven Eckelmann
- update DAT entries with incoming ARP replies, by Linus Luessing
- add multicast-to-unicast support for limited destinations,
by Linus Luessing
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
|
||
Sven Eckelmann
|
42cdd52148 |
batman-adv: ABI: Mark sysfs files as deprecated
The sysfs files are replaced by the batadv generic netlink family. The old sysfs configuration interface was frowned upon by other kernel developers. But the files cannot be removed immediately because userspace tools might still depend on it. Instead schedule for its removal in 2021. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de> |
||
Kimberly Brown
|
46fc15487d |
Drivers: hv: vmbus: Expose monitor data only when monitor pages are used
There are two methods for signaling the host: the monitor page mechanism and hypercalls. The monitor page mechanism is used by performance critical channels (storage, networking, etc.) because it provides improved throughput. However, latency is increased. Monitor pages are allocated to these channels. Monitor pages are not allocated to channels that do not use the monitor page mechanism. Therefore, these channels do not have a valid monitor id or valid monitor page data. In these cases, some of the "_show" functions return incorrect data. They return an invalid monitor id and data that is beyond the bounds of the hv_monitor_page array fields. The "channel->offermsg.monitor_allocated" value can be used to determine whether monitor pages have been allocated to a channel. Add "is_visible()" callback functions for the device-level and channel-level attribute groups. These functions will hide the monitor sysfs files when the monitor mechanism is not used. Remove ".default_attributes" from "vmbus_chan_attrs" and create a channel-level attribute group. These changes allow the new "is_visible()" callback function to be applied to the channel-level attributes. Call "sysfs_create_group()" in "vmbus_add_channel_kobj()" to create the channel's sysfs files. Add a new function, “vmbus_remove_channel_attr_group()”, and call it in "free_channel()" to remove the channel's sysfs files when the channel is closed. Signed-off-by: Kimberly Brown <kimbrownkd@gmail.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Michael Kelley <mikelley@microsoft.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
||
|
Linus Torvalds
|
f67e3fb489 |
device-dax for 5.1
* Replace the /sys/class/dax device model with /sys/bus/dax, and include
a compat driver so distributions can opt-in to the new ABI.
* Allow for an alternative driver for the device-dax address-range
* Introduce the 'kmem' driver to hotplug / assign a device-dax
address-range to the core-mm.
* Arrange for the device-dax target-node to be onlined so that the newly
added memory range can be uniquely referenced by numa apis.
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Merge tag 'devdax-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull device-dax updates from Dan Williams:
"New device-dax infrastructure to allow persistent memory and other
"reserved" / performance differentiated memories, to be assigned to
the core-mm as "System RAM".
Some users want to use persistent memory as additional volatile
memory. They are willing to cope with potential performance
differences, for example between DRAM and 3D Xpoint, and want to use
typical Linux memory management apis rather than a userspace memory
allocator layered over an mmap() of a dax file. The administration
model is to decide how much Persistent Memory (pmem) to use as System
RAM, create a device-dax-mode namespace of that size, and then assign
it to the core-mm. The rationale for device-dax is that it is a
generic memory-mapping driver that can be layered over any "special
purpose" memory, not just pmem. On subsequent boots udev rules can be
used to restore the memory assignment.
One implication of using pmem as RAM is that mlock() no longer keeps
data off persistent media. For this reason it is recommended to enable
NVDIMM Security (previously merged for 5.0) to encrypt pmem contents
at rest. We considered making this recommendation an actively enforced
requirement, but in the end decided to leave it as a distribution /
administrator policy to allow for emulation and test environments that
lack security capable NVDIMMs.
Summary:
- Replace the /sys/class/dax device model with /sys/bus/dax, and
include a compat driver so distributions can opt-in to the new ABI.
- Allow for an alternative driver for the device-dax address-range
- Introduce the 'kmem' driver to hotplug / assign a device-dax
address-range to the core-mm.
- Arrange for the device-dax target-node to be onlined so that the
newly added memory range can be uniquely referenced by numa apis"
NOTE! I'm not entirely happy with the whole "PMEM as RAM" model because
we currently have special - and very annoying rules in the kernel about
accessing PMEM only with the "MC safe" accessors, because machine checks
inside the regular repeat string copy functions can be fatal in some
(not described) circumstances.
And apparently the PMEM modules can cause that a lot more than regular
RAM. The argument is that this happens because PMEM doesn't necessarily
get scrubbed at boot like RAM does, but that is planned to be added for
the user space tooling.
Quoting Dan from another email:
"The exposure can be reduced in the volatile-RAM case by scanning for
and clearing errors before it is onlined as RAM. The userspace tooling
for that can be in place before v5.1-final. There's also runtime
notifications of errors via acpi_nfit_uc_error_notify() from
background scrubbers on the DIMM devices. With that mechanism the
kernel could proactively clear newly discovered poison in the volatile
case, but that would be additional development more suitable for v5.2.
I understand the concern, and the need to highlight this issue by
tapping the brakes on feature development, but I don't see PMEM as RAM
making the situation worse when the exposure is also there via DAX in
the PMEM case. Volatile-RAM is arguably a safer use case since it's
possible to repair pages where the persistent case needs active
application coordination"
* tag 'devdax-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
device-dax: "Hotplug" persistent memory for use like normal RAM
mm/resource: Let walk_system_ram_range() search child resources
mm/memory-hotplug: Allow memory resources to be children
mm/resource: Move HMM pr_debug() deeper into resource code
mm/resource: Return real error codes from walk failures
device-dax: Add a 'modalias' attribute to DAX 'bus' devices
device-dax: Add a 'target_node' attribute
device-dax: Auto-bind device after successful new_id
acpi/nfit, device-dax: Identify differentiated memory with a unique numa-node
device-dax: Add /sys/class/dax backwards compatibility
device-dax: Add support for a dax override driver
device-dax: Move resource pinning+mapping into the common driver
device-dax: Introduce bus + driver model
device-dax: Start defining a dax bus model
device-dax: Remove multi-resource infrastructure
device-dax: Kill dax_region base
device-dax: Kill dax_region ida
|
||
|
Linus Torvalds
|
5160bcce5c |
f2fs-for-5.1-rc1
We've continued mainly to fix bugs in this round, as f2fs has been shipped
in more devices. Especially, we've focused on stabilizing checkpoint=disable
feature, and provided some interfaces for QA.
Enhancement:
- expose FS_NOCOW_FL for pin_file
- run discard jobs at unmount time with timeout
- tune discarding thread to avoid idling which consumes power
- some checking codes to address vulnerabilities
- give random value to i_generation
- shutdown with more flags for QA
Bug fix:
- clean up stale objects when mount is failed along with checkpoint=disable
- fix system being stuck due to wrong count by atomic writes
- handle some corrupted disk cases
- fix a deadlock in f2fs_read_inline_dir
We've also added some minor build errors and clean-up patches.
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Merge tag 'f2fs-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"We've continued mainly to fix bugs in this round, as f2fs has been
shipped in more devices. Especially, we've focused on stabilizing
checkpoint=disable feature, and provided some interfaces for QA.
Enhancements:
- expose FS_NOCOW_FL for pin_file
- run discard jobs at unmount time with timeout
- tune discarding thread to avoid idling which consumes power
- some checking codes to address vulnerabilities
- give random value to i_generation
- shutdown with more flags for QA
Bug fixes:
- clean up stale objects when mount is failed along with
checkpoint=disable
- fix system being stuck due to wrong count by atomic writes
- handle some corrupted disk cases
- fix a deadlock in f2fs_read_inline_dir
We've also added some minor build error fixes and clean-up patches"
* tag 'f2fs-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (53 commits)
f2fs: set pin_file under CAP_SYS_ADMIN
f2fs: fix to avoid deadlock in f2fs_read_inline_dir()
f2fs: fix to adapt small inline xattr space in __find_inline_xattr()
f2fs: fix to do sanity check with inode.i_inline_xattr_size
f2fs: give some messages for inline_xattr_size
f2fs: don't trigger read IO for beyond EOF page
f2fs: fix to add refcount once page is tagged PG_private
f2fs: remove wrong comment in f2fs_invalidate_page()
f2fs: fix to use kvfree instead of kzfree
f2fs: print more parameters in trace_f2fs_map_blocks
f2fs: trace f2fs_ioc_shutdown
f2fs: fix to avoid deadlock of atomic file operations
f2fs: fix to dirty inode for i_mode recovery
f2fs: give random value to i_generation
f2fs: no need to take page lock in readdir
f2fs: fix to update iostat correctly in IPU path
f2fs: fix encrypted page memory leak
f2fs: make fault injection covering __submit_flush_wait()
f2fs: fix to retry fill_super only if recovery failed
f2fs: silence VM_WARN_ON_ONCE in mempool_alloc
...
|
||
|
Linus Torvalds
|
a5adcfcad5 |
A large number of bug fixes and cleanups. One new feature to allow
users to more easily find the jbd2 journal thread for a particular
ext4 file system.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"A large number of bug fixes and cleanups.
One new feature to allow users to more easily find the jbd2 journal
thread for a particular ext4 file system"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (25 commits)
jbd2: jbd2_get_transaction does not need to return a value
jbd2: fix invalid descriptor block checksum
ext4: fix bigalloc cluster freeing when hole punching under load
ext4: add sysfs attr /sys/fs/ext4/<disk>/journal_task
ext4: Change debugging support help prefix from EXT4 to Ext4
ext4: fix compile error when using BUFFER_TRACE
jbd2: fix compile warning when using JBUFFER_TRACE
ext4: fix some error pointer dereferences
ext4: annotate more implicit fall throughs
ext4: annotate implicit fall throughs
ext4: don't update s_rev_level if not required
jbd2: fold jbd2_superblock_csum_{verify,set} into their callers
jbd2: fix race when writing superblock
ext4: fix crash during online resizing
ext4: disallow files with EXT4_JOURNAL_DATA_FL from EXT4_IOC_SWAP_BOOT
ext4: add mask of ext4 flags to swap
ext4: update quota information while swapping boot loader inode
ext4: cleanup pagecache before swap i_data
ext4: fix check of inode in swap_inode_boot_loader
ext4: unlock unused_pages timely when doing writeback
...
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||
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Linus Torvalds
|
f47d633134 |
chrome platform changes for v5.1
1. SPDX identifier cleanup for platform/chrome
2. Cleanup series between mfd and chrome/platform, moving
cros-ec attributes from mfd/cros_ec_dev to sub-drivers in platform/chrome.
3. Wilco EC driver
4. Maintainership change to new group repository.
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Merge tag 'tag-chrome-platform-for-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
- SPDX identifier cleanup for platform/chrome
- Cleanup series between mfd and chrome/platform, moving cros-ec
attributes from mfd/cros_ec_dev to sub-drivers in platform/chrome
- Wilco EC driver
- Maintainership change to new group repository
* tag 'tag-chrome-platform-for-v5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: fix wilco-ec dependencies
platform/chrome: wilco_ec: Add RTC driver
platform/chrome: wilco_ec: Add support for raw commands in debugfs
platform/chrome: Add new driver for Wilco EC
platform/chrome: cros_ec: Remove cros_ec dependency in lpc_mec
MAINTAINERS: chrome-platform: change the git tree to a chrome-platform group git tree
platform/chrome: cros_ec_sysfs: remove pr_fmt() define
platform/chrome: cros_ec_lightbar: remove pr_fmt() define
platform/chrome: cros_kbd_led_backlight: switch to SPDX identifier
platform/chrome: cros_ec_spi: switch to SPDX identifier
platform/chrome: cros_ec_proto: switch to SPDX identifier
platform/chrome: cros_ec_lpc: switch to SPDX identifier
platform/chrome: cros_ec_i2c: switch to SPDX identifier
platform/chrome: cros_ec_vbc: switch to SPDX identifier
platform/chrome: cros_ec_sysfs: switch to SPDX identifier
platform/chrome: cros_ec_lightbar: switch to SPDX identifier
platform/chrome: cros_ec_debugfs: switch to SPDX identifier
platform/chrome: cromeos_pstore: switch to SPDX identifier
|
||
|
Linus Torvalds
|
a089e4fed5 |
linux-watchdog 5.1-rc1 tag
-----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iEYEABECAAYFAlyFIfgACgkQ+iyteGJfRsqt4gCgrgwSrDhwW+u7NjyY48KGAPgt xM8AoM31H9C2HrT2IJuKa3FjIawceUfw =wj0o -----END PGP SIGNATURE----- Merge tag 'linux-watchdog-5.1-rc1' of git://www.linux-watchdog.org/linux-watchdog Pull watchdog updates from Wim Van Sebroeck: - a new watchdog driver for the Mellanox systems - renesas-wdt: Document r8a77470 support - numerous 'Mark expected switch fall-throughs' - qcom: Add suspend/resume support - some small fixes and documentation updates * tag 'linux-watchdog-5.1-rc1' of git://www.linux-watchdog.org/linux-watchdog: watchdog: w83877f_wdt: Mark expected switch fall-through watchdog: sc520_wdt: Mark expected switch fall-through watchdog: sbc60xxwdt: Mark expected switch fall-through watchdog: smsc37b787_wdt: Mark expected switch fall-through watchdog: sc1200: Mark expected switch fall-through watchdog: pc87413: Mark expected switch fall-through Documentation/watchdog: Add documentation mlx-wdt driver watchdog: mlx-wdt: introduce a watchdog driver for Mellanox systems. platform_data/mlxreg: additions for Mellanox watchdog driver. watchdog: Update sysfs documentation. watchdog: dw: remove useless pr_fmt watchdog: pika_wdt: drop pointless static qualifier in pikawdt_init watchdog/hpwdt: Update Kconfig documentation dt-bindings: watchdog: renesas-wdt: Document r8a77470 support watchdog: qcom: Add suspend/resume support |
||
|
Linus Torvalds
|
dbbdf54c72 |
platform-drivers-x86 for v5.1-1
Use MODULE_DEVICE_TABLE across several wmi drivers, keeping wmi_device_id and MODULE_ALIAS() declarations in sync. Add several Ideapad models to the no_hw_rfkill list. Add support for new Mellanox platforms, including new fan and LED functionality. Address Dell keyboard backlight change event and power button release issues. Update dell_rbu to use appropriate memory allocation mechanisms. Several small fixes and Ice Lake support for intel_pmc_core. Fix a suspend regression for Cherry Trail based devices in intel_int0002_vgpio. A few other routine fixes. The following is an automated git shortlog grouped by driver: ACPI / scan: - Create platform device for BSG2150 ACPI nodes Documentation/ABI: - Add new attribute for mlxreg-io sysfs interfaces - Correct mlxreg-io KernelVersion for 5.0 MAINTAINERS: - Include mlxreg.h in Mellanox Platform Driver files asus-wmi: - Allow loading on systems without the Asus Management GUID dell-smbios-wmi: - use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS() dell-wmi: - use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS() - Ignore new keyboard backlight change event dell-wmi-descriptor: - use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS() dell_rbu: - fix lock imbalance in img_update_realloc - stop abusing the DMA API huawei-wmi: - use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS() ideapad-laptop: - Add ideapad 330-15ICH to no_hw_rfkill - Add S130-14IGM to no_hw_rfkill list - Add Ideapad 530S-14ARR to no_hw_rfkill list - Add Yoga C930 to no_hw_rfkill_list - Add Y530-I5ICH-1060 to no_hw_rfkill list - Fix no_hw_rfkill_list for Lenovo RESCUER R720-15IKBN intel-hid: - Missing power button release on some Dell models intel-wmi-thunderbolt: - use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS() intel_int0002_vgpio: - Only implement irq_set_wake on Bay Trail intel_pmc_core: - Quirk to ignore XTAL shutdown - Add Package cstates residency info - Add ICL platform support - Convert to INTEL_CPU_FAM6 macro - Avoid a u32 overflow - Include Reserved IP for LTR - Fix file permissions for ltr_show - Fix PCH IP name - Fix PCH IP sts reading - Handle CFL regmap properly leds: - mlxreg: Add support for capability register mlx-platform: - Fix access mode for fan_dir attribute - Add UID LED for the next generation systems - Add extra CPLD for next generation systems - Add support for new VMOD0007 board name - Add support for fan capability registers - Add support for fan direction register modpost: - file2alias: define size of alias platform/mellanox: - mlxreg-hotplug: Fix KASAN warning platform_data/mlxreg: - Add capability field to core platform data - Document fixes for core platform data touchscreen_dmi: - Add info for the CHUWI Hi10 Air tablet - Add info for the Chuwi Hi8 Air tablet - Add info for the PoV Wintab P1006w (v1.0) tablet wmi: - add WMI support to MODULE_DEVICE_TABLE() - move struct wmi_device_id to mod_devicetable.h - fix potential null pointer dereference wmi-bmof: - use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS() x86/CPU: - Add Icelake model number -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEE9M1dh6j+oEL41EZIXFIlAfdBhuEFAlyCu1EACgkQXFIlAfdB huFASAf/d0Y6uqhLD3G7cL2kXjOWoTE9ouWUwv19bBpnohGmD3OMMap4y1lb6nRR thCJRhpmX4ObS2adAC4otiOxTzmVoYGsuS9kfBwhKIby2VYHCCxxaTUs6bzMdOfV GsbaMA+vfb29bU4DcWlRtYZIz2FC5oyjW4ZmcMA6KtuBGjG9K1fG5zANQe4H8I0e zCdcrXhpDGIBJgaJR2N42EUCJruPoEXYfHa1G4B/QKvuW0CXHAdSE0YrN4ju+S3e Ew9ZXhoxRaqlu+ZB7H5Kyy6Mg3ZGMzbeYyQFLk5f2yiKSTFNiqwTEJl1aE2JSpy3 g8Im+6E44/4G8QOL40g5XwmrxHw5mA== =Bx4o -----END PGP SIGNATURE----- Merge tag 'platform-drivers-x86-v5.1-1' of git://git.infradead.org/linux-platform-drivers-x86 Pull x86 platform driver updates from Darren Hart: - use MODULE_DEVICE_TABLE across several wmi drivers, keeping wmi_device_id and MODULE_ALIAS() declarations in sync - add several Ideapad models to the no_hw_rfkill list - add support for new Mellanox platforms, including new fan and LED functionality - address Dell keyboard backlight change event and power button release issues - update dell_rbu to use appropriate memory allocation mechanisms - several small fixes and Ice Lake support for intel_pmc_core - fix a suspend regression for Cherry Trail based devices in intel_int0002_vgpio - a few other routine fixes * tag 'platform-drivers-x86-v5.1-1' of git://git.infradead.org/linux-platform-drivers-x86: (50 commits) MAINTAINERS: Include mlxreg.h in Mellanox Platform Driver files platform/x86: ideapad-laptop: Add S130-14IGM to no_hw_rfkill list platform/x86: mlx-platform: Fix access mode for fan_dir attribute platform/x86: mlx-platform: Add UID LED for the next generation systems platform/x86: mlx-platform: Add extra CPLD for next generation systems platform/x86: wmi-bmof: use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS() platform/x86: intel-wmi-thunderbolt: use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS() platform/x86: huawei-wmi: use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS() platform/x86: dell-wmi: use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS() platform/x86: dell-wmi-descriptor: use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS() platform/x86: dell-smbios-wmi: use MODULE_DEVICE_TABLE() instead of MODULE_ALIAS() platform/x86: wmi: add WMI support to MODULE_DEVICE_TABLE() platform/x86: wmi: move struct wmi_device_id to mod_devicetable.h modpost: file2alias: define size of alias platform/x86: touchscreen_dmi: Add info for the CHUWI Hi10 Air tablet platform/x86: ideapad-laptop: Add Ideapad 530S-14ARR to no_hw_rfkill list platform/x86: ideapad-laptop: Add Yoga C930 to no_hw_rfkill_list platform/x86: intel_pmc_core: Quirk to ignore XTAL shutdown platform/x86: intel_pmc_core: Add Package cstates residency info platform/x86: intel_pmc_core: Add ICL platform support ... |
||
|
Linus Torvalds
|
cf2e8c544c |
- New Drivers
- Add STMPE ADC Input driver
- Add STMicroelectronics STPMIC1 Parent driver
- Add STMicroelectronics STPMIC1 OnKey Misc driver
- Add STMicroelectronics STPMIC1 Watchdog driver
- Add Cirrus Logic Lochnagar Parent driver
- Add TQ-Systems TQMX86 Parent driver
- New Device Support
- Add support for ADC to STMPE
- New (or moved) Functionality
- Move Lightbar functionality to its own driver; cros_ec_lightbar
- Move VBC functionality to its own driver; cros_ec_vbc
- Move VBC functionality to its own driver; cros_ec_vbc
- Move DebugFS functionality to its own driver; cros_ec_debugfs
- Move SYSFS functionality to its own driver; cros_ec_sysfs
- Add support for input voltage options; tps65218
- Fix-ups
- Use devm_* managed resources; cros_ec
- Device Tree documentation; stmpe, aspeed-lpc, lochnagar
- Trivial Clean-ups; stmpe
- Rip out broken modular code; aat2870-core, adp5520, as3711,
db8500-prcmu, htc-i2cpld, max8925-core, rc5t583, sta2x11-mfd,
syscon, tps65090, tps65910, tps68470 tps80031, wm831x-spi,
wm831x-i2c, wm831x-core, wm8350-i2c, wm8350-core, wm8400-core
- Kconfig fixups; INTEL_SOC_PMIC
- Improve error path; sm501, sec-core
- Use struct_size() helper; sm501
- Constify; at91-usart
- Use pointers instead of copying data; at91-usart
- Deliver proper return value; cros_ec_dev
- Trivial formatting/whitespace; sec-core
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Merge tag 'mfd-next-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- Add STMPE ADC Input driver
- Add STMicroelectronics STPMIC1 Parent driver
- Add STMicroelectronics STPMIC1 OnKey Misc driver
- Add STMicroelectronics STPMIC1 Watchdog driver
- Add Cirrus Logic Lochnagar Parent driver
- Add TQ-Systems TQMX86 Parent driver
New Device Support:
- Add support for ADC to STMPE
New (or moved) Functionality:
- Move Lightbar functionality to its own driver; cros_ec_lightbar
- Move VBC functionality to its own driver; cros_ec_vbc
- Move VBC functionality to its own driver; cros_ec_vbc
- Move DebugFS functionality to its own driver; cros_ec_debugfs
- Move SYSFS functionality to its own driver; cros_ec_sysfs
- Add support for input voltage options; tps65218
Fixes:
- Use devm_* managed resources; cros_ec
- Device Tree documentation; stmpe, aspeed-lpc, lochnagar
- Trivial Clean-ups; stmpe
- Rip out broken modular code; aat2870-core, adp5520, as3711,
db8500-prcmu, htc-i2cpld, max8925-core, rc5t583, sta2x11-mfd,
syscon, tps65090, tps65910, tps68470 tps80031, wm831x-spi,
wm831x-i2c, wm831x-core, wm8350-i2c, wm8350-core, wm8400-core
- Kconfig fixups; INTEL_SOC_PMIC
- Improve error path; sm501, sec-core
- Use struct_size() helper; sm501
- Constify; at91-usart
- Use pointers instead of copying data; at91-usart
- Deliver proper return value; cros_ec_dev
- Trivial formatting/whitespace; sec-core"
* tag 'mfd-next-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (53 commits)
mfd: mxs-lradc: Mark expected switch fall-through
mfd: sec-core: Cleanup formatting to a consistent style
mfd: tqmx86: IO controller with I2C, Wachdog and GPIO
mfd: intel-lpss: Move linux/pm.h to the local header
mfd: cros_ec_dev: Return number of bytes read with CROS_EC_DEV_IOCRDMEM
mfd: tps68470: Drop unused MODULE_DEVICE_TABLE
mfd: at91-usart: No need to copy mfd_cell in probe
mfd: at91-usart: Constify at91_usart_spi_subdev and at91_usart_serial_subdev
mfd: lochnagar: Add support for the Cirrus Logic Lochnagar
mfd: lochnagar: Add initial binding documentation
dt-bindings: mfd: aspeed-lpc: Make parameter optional
mfd: sec-core: Return gracefully instead of BUG() if device cannot match
mfd: sm501: Use struct_size() in devm_kzalloc()
mfd: sm501: Fix potential NULL pointer dereference
mfd: Kconfig: Fix I2C_DESIGNWARE_PLATFORM dependencies
mfd: tps65218.c: Add input voltage options
mfd: wm8400-core: Make it explicitly non-modular
mfd: wm8350-core: Drop unused module infrastructure from non-modular code
mfd: wm8350-i2c: Make it explicitly non-modular
mfd: wm831x-core: Drop unused module infrastructure from non-modular code
...
|
||
|
Linus Torvalds
|
b7af27bf94 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching
Pull livepatching updates from Jiri Kosina: - support for something we call 'atomic replace', and allows for much better handling of cumulative patches (which is something very useful for distros), from Jason Baron with help of Petr Mladek and Joe Lawrence - improvement of handling of tasks blocking finalization, from Miroslav Benes - update of MAINTAINERS file to reflect move towards group maintainership * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching: (22 commits) livepatch/selftests: use "$@" to preserve argument list livepatch: Module coming and going callbacks can proceed with all listed patches livepatch: Proper error handling in the shadow variables selftest livepatch: return -ENOMEM on ptr_id() allocation failure livepatch: Introduce klp_for_each_patch macro livepatch: core: Return EOPNOTSUPP instead of ENOSYS selftests/livepatch: add DYNAMIC_DEBUG config dependency livepatch: samples: non static warnings fix livepatch: update MAINTAINERS livepatch: Remove signal sysfs attribute livepatch: Send a fake signal periodically selftests/livepatch: introduce tests livepatch: Remove ordering (stacking) of the livepatches livepatch: Atomic replace and cumulative patches documentation livepatch: Remove Nop structures when unused livepatch: Add atomic replace livepatch: Use lists to manage patches, objects and functions livepatch: Simplify API by removing registration step livepatch: Don't block the removal of patches loaded after a forced transition livepatch: Consolidate klp_free functions ... |
||
|
Linus Torvalds
|
f90d64483e |
USB/PHY patches for 5.1-rc1
Here is the big USB/PHY driver pull request for 5.1-rc1. The usual set of gadget driver updates, phy driver updates (you will have a merge issue with Kconfig and Makefile), xhci updates, and typec additions. Also included in here are a lot of small cleanups and fixes and driver updates where needed. All of these have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXH+hsw8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ynfNwCgqKKg+MxJ9pFjrwfWYOrbk+BBe2UAn2Elp4ia 8FTdneQfN2J8Hhc6KGXE =Kx9I -----END PGP SIGNATURE----- Merge tag 'usb-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB/PHY updates from Greg KH: "Here is the big USB/PHY driver pull request for 5.1-rc1. The usual set of gadget driver updates, phy driver updates, xhci updates, and typec additions. Also included in here are a lot of small cleanups and fixes and driver updates where needed. All of these have been in linux-next for a while with no reported issues" * tag 'usb-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (167 commits) wusb: Remove unnecessary static function ckhdid_printf usb: core: make default autosuspend delay configurable usb: core: Fix typo in description of "authorized_default" usb: chipidea: Refactor USB PHY selection and keep a single PHY usb: chipidea: Grab the (legacy) USB PHY by phandle first usb: chipidea: imx: set power polarity dt-bindings: usb: ci-hdrc-usb2: add property power-active-high usb: chipidea: imx: remove unused header files usb: chipidea: tegra: Fix missed ci_hdrc_remove_device() usb: core: add option of only authorizing internal devices usb: typec: tps6598x: handle block writes separately with plain-I2C adapters usb: xhci: Fix for Enabling USB ROLE SWITCH QUIRK on INTEL_SUNRISEPOINT_LP_XHCI usb: xhci: fix build warning - missing prototype usb: xhci: dbc: Fixing typo error. usb: xhci: remove unused member 'parent' in xhci_regset struct xhci: tegra: Prevent error pointer dereference USB: serial: option: add Telit ME910 ECM composition usb: core: Replace hardcoded check with inline function from usb.h usb: core: skip interfaces disabled in devicetree usb: typec: mux: remove redundant check on variable match ... |
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Linus Torvalds
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e266ca36da |
Staging/IIO patches for 5.1-rc1
Here is the big staging/iio driver pull request for 5.1-rc1. Lots of good IIO driver updates and cleanups in here as always. Combined with the removal of the xgifb driver, we have a net "loss" of over 9000 lines in the pull request, always a nice thing. As the outreachy application process is currently happening, there are loads of tiny checkpatch cleanup fixes all over the staging tree, which accounts for the majority of the fixups. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXH+gLQ8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ymBiQCeJpoBhG+W3r+kP8w65ZY8qU+/liIAn0Tkl4/k IX1dQzCsEpO1jA8AHj6n =7wCH -----END PGP SIGNATURE----- Merge tag 'staging-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging/IIO updates from Greg KH: "Here is the big staging/iio driver pull request for 5.1-rc1. Lots of good IIO driver updates and cleanups in here as always. Combined with the removal of the xgifb driver, we have a net "loss" of over 9000 lines in the pull request, always a nice thing. As the outreachy application process is currently happening, there are loads of tiny checkpatch cleanup fixes all over the staging tree, which accounts for the majority of the fixups" * tag 'staging-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (341 commits) staging: mt7621-dma: remove license boilerplate text staging: mt7621-dma: add SPDX GPL-2.0+ license identifier Staging: ks7010: Replace typecast to int Staging: vt6655: Align a static function declaration staging: speakup: fix line over 80 characters. staging: mt7621-eth: Remove license boilerplate text staging: mt7621-eth: Add SPDX license identifier staging: ks7010: removed custom Michael MIC implementation. staging: rtl8192e: Fix space and suspect issue Staging: vt6655: Modify comment style of SPDX License Identifier Staging: vt6655: Modify comment style for SPDX-License-Identifier Staging: vt6655: Align a function declaration Staging: vt6655: Alignment of function declaration staging: rtl8712: Fix indentation issue staging: wilc1000: fix incorrent type in initializer staging: rtl8188eu: remove unused P2P_PRIVATE_IOCTL_SET_LEN staging: rtl8188eu: remove unused enum P2P_PROTO_WK_ID staging: rtl8723bs: Remove duplicated include from drv_types.h Staging: vt6655: Alignment should match open parenthesis staging: erofs: fix mis-acted TAIL merging behavior ... |
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Linus Torvalds
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45763bf4bc |
Char/Misc driver patches for 5.1-rc1
Here is the big char/misc driver patch pull request for 5.1-rc1. The largest thing by far is the new habanalabs driver for their AI accelerator chip. For now it is in the drivers/misc directory but will probably move to a new directory soon along with other drivers of this type. Other than that, just the usual set of individual driver updates and fixes. There's an "odd" merge in here from the DRM tree that they asked me to do as the MEI driver is starting to interact with the i915 driver, and it needed some coordination. All of those patches have been properly acked by the relevant subsystem maintainers. All of these have been in linux-next with no reported issues, most for quite some time. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCXH+dPQ8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ym1fACgvpZAxjNzoRQJ6f06tc8ujtPk9rUAnR+tCtrZ 9e3l7H76oe33o96Qjhor =8A2k -----END PGP SIGNATURE----- Merge tag 'char-misc-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver updates from Greg KH: "Here is the big char/misc driver patch pull request for 5.1-rc1. The largest thing by far is the new habanalabs driver for their AI accelerator chip. For now it is in the drivers/misc directory but will probably move to a new directory soon along with other drivers of this type. Other than that, just the usual set of individual driver updates and fixes. There's an "odd" merge in here from the DRM tree that they asked me to do as the MEI driver is starting to interact with the i915 driver, and it needed some coordination. All of those patches have been properly acked by the relevant subsystem maintainers. All of these have been in linux-next with no reported issues, most for quite some time" * tag 'char-misc-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (219 commits) habanalabs: adjust Kconfig to fix build errors habanalabs: use %px instead of %p in error print habanalabs: use do_div for 64-bit divisions intel_th: gth: Fix an off-by-one in output unassigning habanalabs: fix little-endian<->cpu conversion warnings habanalabs: use NULL to initialize array of pointers habanalabs: fix little-endian<->cpu conversion warnings habanalabs: soft-reset device if context-switch fails habanalabs: print pointer using %p habanalabs: fix memory leak with CBs with unaligned size habanalabs: return correct error code on MMU mapping failure habanalabs: add comments in uapi/misc/habanalabs.h habanalabs: extend QMAN0 job timeout habanalabs: set DMA0 completion to SOB 1007 habanalabs: fix validation of WREG32 to DMA completion habanalabs: fix mmu cache registers init habanalabs: disable CPU access on timeouts habanalabs: add MMU DRAM default page mapping habanalabs: Dissociate RAZWI info from event types misc/habanalabs: adjust Kconfig to fix build errors ... |
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Thomas Gleixner
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5999bbe7a6 |
Documentation: Add MDS vulnerability documentation
Add the initial MDS vulnerability documentation. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Jon Masters <jcm@redhat.com> |
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Thomas Gleixner
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65fd4cb65b |
Documentation: Move L1TF to separate directory
Move L!TF to a separate directory so the MDS stuff can be added at the side. Otherwise the all hardware vulnerabilites have their own top level entry. Should have done that right away. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Jon Masters <jcm@redhat.com> |