* fix register corruption
* ENOTSUPP/EOPNOTSUPP mixed
* reset cleanups/fixes
* selftests
x86:
* Bug fixes and cleanups
* AMD support for APIC virtualization even in combination with
in-kernel PIT or IOAPIC.
MIPS:
* Compilation fix.
Generic:
* Fix refcount overflow for zero page.
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Merge tag 'kvm-5.6-2' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull more KVM updates from Paolo Bonzini:
"s390:
- fix register corruption
- ENOTSUPP/EOPNOTSUPP mixed
- reset cleanups/fixes
- selftests
x86:
- Bug fixes and cleanups
- AMD support for APIC virtualization even in combination with
in-kernel PIT or IOAPIC.
MIPS:
- Compilation fix.
Generic:
- Fix refcount overflow for zero page"
* tag 'kvm-5.6-2' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (42 commits)
KVM: vmx: delete meaningless vmx_decache_cr0_guest_bits() declaration
KVM: x86: Mark CR4.UMIP as reserved based on associated CPUID bit
x86: vmxfeatures: rename features for consistency with KVM and manual
KVM: SVM: relax conditions for allowing MSR_IA32_SPEC_CTRL accesses
KVM: x86: Fix perfctr WRMSR for running counters
x86/kvm/hyper-v: don't allow to turn on unsupported VMX controls for nested guests
x86/kvm/hyper-v: move VMX controls sanitization out of nested_enable_evmcs()
kvm: mmu: Separate generating and setting mmio ptes
kvm: mmu: Replace unsigned with unsigned int for PTE access
KVM: nVMX: Remove stale comment from nested_vmx_load_cr3()
KVM: MIPS: Fold comparecount_func() into comparecount_wakeup()
KVM: MIPS: Fix a build error due to referencing not-yet-defined function
x86/kvm: do not setup pv tlb flush when not paravirtualized
KVM: fix overflow of zero page refcount with ksm running
KVM: x86: Take a u64 when checking for a valid dr7 value
KVM: x86: use raw clock values consistently
KVM: x86: reorganize pvclock_gtod_data members
KVM: nVMX: delete meaningless nested_vmx_run() declaration
KVM: SVM: allow AVIC without split irqchip
kvm: ioapic: Lazy update IOAPIC EOI
...
One of the simplifications added for 5.6-rc1 has caused build
regressions on some platforms (it was reported for sparc64).
This pull request fixes it with a direct revert.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Merge tag 'kgdb-fixes-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux
Pull kgdb fix from Daniel Thompson:
"One of the simplifications added for 5.6-rc1 has caused build
regressions on some platforms (it was reported for sparc64).
This fixes it with a revert"
* tag 'kgdb-fixes-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
Revert "kdb: Get rid of confusing diag msg from "rd" if current task has no regs"
Set current->backing_dev_info just around the buffered write calls to
prepare for the next fix.
Fixes: 967bcc91b0 ("gfs2: iomap direct I/O support")
Cc: stable@vger.kernel.org # v4.19+
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
When the first log header in a journal happens to have a sequence
number of 0, a bug in gfs2_find_jhead() causes it to prematurely exit,
and return an uninitialized jhead with seq 0. This can cause failures
in the caller. For instance, a mount fails in one test case.
The correct behavior is for it to continue searching through the journal
to find the correct journal head with the highest sequence number.
Fixes: f4686c26ec ("gfs2: read journal in large chunks")
Cc: stable@vger.kernel.org # v5.2+
Signed-off-by: Abhi Das <adas@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
This frees "copy->nf_src" before and again after the goto.
Fixes: ce0887ac96 ("NFSD add nfs4 inter ssc to nfsd4_copy")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Use the 'refcount_t' type instead of 'atomic_t' for improved
refcounting safety.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
perf does not know how to deal with a __builtin_bswap32() call, and
complains. All other functions just store the xid etc in host endian
form, so let's do that in the tracepoint for nfsd_file_acquire too.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Fixes coccicheck warning:
fs/fuse/readdir.c:335:1-19: WARNING: Assignment of 0/1 to bool variable
fs/fuse/file.c:1398:2-19: WARNING: Assignment of 0/1 to bool variable
fs/fuse/file.c:1400:2-20: WARNING: Assignment of 0/1 to bool variable
fs/fuse/cuse.c:454:1-20: WARNING: Assignment of 0/1 to bool variable
fs/fuse/cuse.c:455:1-19: WARNING: Assignment of 0/1 to bool variable
fs/fuse/inode.c:497:2-17: WARNING: Assignment of 0/1 to bool variable
fs/fuse/inode.c:504:2-23: WARNING: Assignment of 0/1 to bool variable
fs/fuse/inode.c:511:2-22: WARNING: Assignment of 0/1 to bool variable
fs/fuse/inode.c:518:2-23: WARNING: Assignment of 0/1 to bool variable
fs/fuse/inode.c:522:2-26: WARNING: Assignment of 0/1 to bool variable
fs/fuse/inode.c:526:2-18: WARNING: Assignment of 0/1 to bool variable
fs/fuse/inode.c:1000:1-20: WARNING: Assignment of 0/1 to bool variable
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Converts fuse.txt to reStructuredText format, improving the presentation
without changing much of the underlying content.
Signed-off-by: Daniel W. S. Almeida <dwlsalmeida@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Allow fuse to pass RENAME_WHITEOUT to fuse server. Overlayfs on top of
virtiofs uses RENAME_WHITEOUT.
Without this patch renaming a directory in overlayfs (dir is on lower)
fails with -EINVAL. With this patch it works.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Handle the special case of fuse_readpages() wanting to read the last page
of a hugest file possible and overflowing the end offset in the process.
This is basically to unbreak xfstests:generic/525 and prevent filesystems
from doing bad things with an overflowing offset.
Reported-by: Xiao Yang <ice_yangxiao@163.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
fuse_direct_io() can end up advancing the iterator by more than the amount
of data read or written. This case is handled by the generic code if going
through ->direct_IO(), but not in the FOPEN_DIRECT_IO case.
Fix by reverting the extra bytes from the iterator in case of error or a
short count.
To test: install lxcfs, then the following testcase
int fd = open("/var/lib/lxcfs/proc/uptime", O_RDONLY);
sendfile(1, fd, NULL, 16777216);
sendfile(1, fd, NULL, 16777216);
will spew WARN_ON() in iov_iter_pipe().
Reported-by: Peter Geis <pgwipeout@gmail.com>
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Fixes: 3c3db095b6 ("fuse: use iov_iter based generic splice helpers")
Cc: <stable@vger.kernel.org> # v5.1
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
A commonly used SMB3 feature is change notification, allowing an
app to be notified about changes to a directory. The SMB3
Notify request blocks until the server detects a change to that
directory or its contents that matches the completion flags
that were passed in and the "watch_tree" flag (which indicates
whether subdirectories under this directory should be also
included). See MS-SMB2 2.2.35 for additional detail.
To use this simply pass in the following structure to ioctl:
struct __attribute__((__packed__)) smb3_notify {
uint32_t completion_filter;
bool watch_tree;
} __packed;
using CIFS_IOC_NOTIFY 0x4005cf09
or equivalently _IOW(CIFS_IOCTL_MAGIC, 9, struct smb3_notify)
SMB3 change notification is supported by all major servers.
The ioctl will block until the server detects a change to that
directory or its subdirectories (if watch_tree is set).
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Acked-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
When no interfaces are returned by the server we cannot open multiple
channels. Make it more obvious by reporting that to the user at the
VFS log level.
Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
RHBZ: 1795423
This is the SMB1 version of a patch we already have for SMB2
In recent DFS updates we have a new variable controlling how many times we will
retry to reconnect the share.
If DFS is not used, then this variable is initialized to 0 in:
static inline int
dfs_cache_get_nr_tgts(const struct dfs_cache_tgt_list *tl)
{
return tl ? tl->tl_numtgts : 0;
}
This means that in the reconnect loop in smb2_reconnect() we will immediately wrap retries to -1
and never actually get to pass this conditional:
if (--retries)
continue;
The effect is that we no longer reach the point where we fail the commands with -EHOSTDOWN
and basically the kernel threads are virtually hung and unkillable.
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
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Merge tag 'pci-v5.6-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
- Define to_pci_sysdata() always to fix build breakage when !CONFIG_PCI
(Jason A. Donenfeld)
- Use PF PASID for VFs to fix VF IOMMU bind failures (Kuppuswamy
Sathyanarayanan)
* tag 'pci-v5.6-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI/ATS: Use PF PASID for VFs
x86/PCI: Define to_pci_sysdata() even when !CONFIG_PCI
A collection of pending small fixes since the previous PR.
ALSA core:
- PCM memory leak fix
ASoC:
- Lots of SOF and Intel driver fixes
- Addition of COMMON_CLK for wcd934x
- Regression fixes for AMD and Tegra platforms
HD-audio:
- DP-MST HDMI regression fix, Tegra workarounds, HP quirk fix
Others:
- A few fixes relevant with the recent uapi-updates
- Sparse warnings and endianness fixes
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Merge tag 'sound-fix-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of pending small fixes:
ALSA core:
- PCM memory leak fix
ASoC:
- Lots of SOF and Intel driver fixes
- Addition of COMMON_CLK for wcd934x
- Regression fixes for AMD and Tegra platforms
HD-audio:
- DP-MST HDMI regression fix, Tegra workarounds, HP quirk fix
Others:
- A few fixes relevant with the recent uapi-updates
- Sparse warnings and endianness fixes"
* tag 'sound-fix-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (35 commits)
ALSA: hda: Clear RIRB status before reading WP
ALSA: hda/realtek - Fixed one of HP ALC671 platform Headset Mic supported
ASoC: wcd934x: Add missing COMMON_CLK dependency to SND_SOC_ALL_CODECS
ALSA: hda - Fix DP-MST support for NVIDIA codecs
ASoC: wcd934x: Add missing COMMON_CLK dependency
MAINTAINERS: Remove the Bard Liao from the MAINTAINERS of Realtek CODECs
ASoC: tegra: Revert 24 and 32 bit support
ASoC: SOF: Intel: add PCI ID for JasperLake
ALSA: hdsp: Make the firmware loading ioctl a bit more readable
ALSA: emu10k1: Fix annotation and cast for the recent uapi header change
ALSA: dummy: Fix PCM format loop in proc output
ALSA: usb-audio: Annotate endianess in Scarlett gen2 quirk
ALSA: usb-audio: Fix endianess in descriptor validation
ALSA: hda: Add JasperLake PCI ID and codec vid
ALSA: pcm: Fix sparse warnings wrt snd_pcm_state_t
ALSA: pcm: Fix memory leak at closing a stream without hw_free
ALSA: uapi: Fix sparse warning
ASoC: rt715: Add __maybe_unused to PM callbacks
ASoC: rt711: Add __maybe_unused to PM callbacks
ASoC: rt700: Add __maybe_unused to PM callbacks
...
After a number of suspend and resume cycles, it is possible for the RBUF
to be stuck in Wake-on-LAN mode, despite the MPD enable bit being
cleared which instructed the RBUF to exit that mode.
Avoid creating that problematic condition by clearing the RX_EN and
TX_EN bits in the UniMAC prior to disable the Magic Packet Detector
logic which is guaranteed to make the RBUF exit Wake-on-LAN mode.
Fixes: 83e82f4c70 ("net: systemport: add Wake-on-LAN support")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It turned out that on low performance systems the original change can
cause lower tx performance. On a N3450-based mini-PC tx performance
in iperf3 was reduced from 950Mbps to ~900Mbps. Therefore effectively
revert the original change, just use pcie_set_readrq() now instead of
changing the PCIe capability register directly.
Fixes: 2df49d3654 ("r8169: remove fiddling with the PCIe max read request size")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The bug is that we call kfree_skb(skb) and then pass "skb" to
qdisc_pkt_len(skb) on the next line, which is a use after free.
Also Cong Wang points out that it's better to delay the actual
frees until we drop the rtnl lock so we should use rtnl_kfree_skbs()
instead of kfree_skb().
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Fixes: ec97ecf1eb ("net: sched: add Flow Queue PIE packet scheduler")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
sk_buff.qlen can be accessed concurrently as noticed by KCSAN,
BUG: KCSAN: data-race in __skb_try_recv_from_queue / unix_dgram_sendmsg
read to 0xffff8a1b1d8a81c0 of 4 bytes by task 5371 on cpu 96:
unix_dgram_sendmsg+0x9a9/0xb70 include/linux/skbuff.h:1821
net/unix/af_unix.c:1761
____sys_sendmsg+0x33e/0x370
___sys_sendmsg+0xa6/0xf0
__sys_sendmsg+0x69/0xf0
__x64_sys_sendmsg+0x51/0x70
do_syscall_64+0x91/0xb47
entry_SYSCALL_64_after_hwframe+0x49/0xbe
write to 0xffff8a1b1d8a81c0 of 4 bytes by task 1 on cpu 99:
__skb_try_recv_from_queue+0x327/0x410 include/linux/skbuff.h:2029
__skb_try_recv_datagram+0xbe/0x220
unix_dgram_recvmsg+0xee/0x850
____sys_recvmsg+0x1fb/0x210
___sys_recvmsg+0xa2/0xf0
__sys_recvmsg+0x66/0xf0
__x64_sys_recvmsg+0x51/0x70
do_syscall_64+0x91/0xb47
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Since only the read is operating as lockless, it could introduce a logic
bug in unix_recvq_full() due to the load tearing. Fix it by adding
a lockless variant of skb_queue_len() and unix_recvq_full() where
READ_ONCE() is on the read while WRITE_ONCE() is on the write similar to
the commit d7d16a8935 ("net: add skb_queue_empty_lockless()").
Signed-off-by: Qian Cai <cai@lca.pw>
Signed-off-by: David S. Miller <davem@davemloft.net>
- a set of patches that fixes various corner cases in mount and umount
code (Xiubo Li). This has to do with choosing an MDS, distinguishing
between laggy and down MDSes and parsing the server path.
- inode initialization fixes (Jeff Layton). The one included here
mostly concerns things like open_by_handle() and there is another
one that will come through Al.
- copy_file_range() now uses the new copy-from2 op (Luis Henriques).
The existing copy-from op turned out to be infeasible for generic
filesystem use; we disable the copy offload if OSDs don't support
copy-from2.
- a patch to link "rbd" and "block" devices together in sysfs (Hannes
Reinecke)
And a smattering of cleanups from Xiubo, Jeff and Chengguang.
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Merge tag 'ceph-for-5.6-rc1' of https://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
- a set of patches that fixes various corner cases in mount and umount
code (Xiubo Li). This has to do with choosing an MDS, distinguishing
between laggy and down MDSes and parsing the server path.
- inode initialization fixes (Jeff Layton). The one included here
mostly concerns things like open_by_handle() and there is another one
that will come through Al.
- copy_file_range() now uses the new copy-from2 op (Luis Henriques).
The existing copy-from op turned out to be infeasible for generic
filesystem use; we disable the copy offload if OSDs don't support
copy-from2.
- a patch to link "rbd" and "block" devices together in sysfs (Hannes
Reinecke)
... and a smattering of cleanups from Xiubo, Jeff and Chengguang.
* tag 'ceph-for-5.6-rc1' of https://github.com/ceph/ceph-client: (25 commits)
rbd: set the 'device' link in sysfs
ceph: move net/ceph/ceph_fs.c to fs/ceph/util.c
ceph: print name of xattr in __ceph_{get,set}xattr() douts
ceph: print r_direct_hash in hex in __choose_mds() dout
ceph: use copy-from2 op in copy_file_range
ceph: close holes in structs ceph_mds_session and ceph_mds_request
rbd: work around -Wuninitialized warning
ceph: allocate the correct amount of extra bytes for the session features
ceph: rename get_session and switch to use ceph_get_mds_session
ceph: remove the extra slashes in the server path
ceph: add possible_max_rank and make the code more readable
ceph: print dentry offset in hex and fix xattr_version type
ceph: only touch the caps which have the subset mask requested
ceph: don't clear I_NEW until inode metadata is fully populated
ceph: retry the same mds later after the new session is opened
ceph: check availability of mds cluster on mount after wait timeout
ceph: keep the session state until it is released
ceph: add __send_request helper
ceph: ensure we have a new cap before continuing in fill_inode
ceph: drop unused ttl_from parameter from fill_inode
...
This reverts commit bbfceba15f.
When DBG_MAX_REG_NUM is zero then a number of symbols are conditionally
defined. It is therefore not possible to check it using C expressions.
Reported-by: Anatoly Pugachev <matorola@gmail.com>
Acked-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
An incremental fix for the Qualcomm COMMON_CLK issue.
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Merge tag 'asoc-v5.6-3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fix for v5.6
An incremental fix for the Qualcomm COMMON_CLK issue.
RIRB interrupt status getting cleared after the write pointer is read
causes a race condition, where last response(s) into RIRB may remain
unserviced by IRQ, eventually causing azx_rirb_get_response to fall
back to polling mode. Clearing the RIRB interrupt status ahead of
write pointer access ensures that this condition is avoided.
Signed-off-by: Mohan Kumar <mkumard@nvidia.com>
Signed-off-by: Viswanath L <viswanathl@nvidia.com>
Link: https://lore.kernel.org/r/1580983853-351-1-git-send-email-viswanathl@nvidia.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Move rx_dropped and rx_errors counters in mvneta_pcpu_stats in order to
avoid possible races updating statistics
Fixes: 562e2f467e ("net: mvneta: Improve the buffer allocation method for SWBM")
Fixes: dc35a10f68 ("net: mvneta: bm: add support for hardware buffer management")
Fixes: c5aff18204 ("net: mvneta: driver for Marvell Armada 370/XP network unit")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Added debugfs entry to show the tls stats.
Signed-off-by: Devulapally Shiva Krishna <shiva@chelsio.com>
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Turns out that when we accept a new subflow, the newly created
inet_sk(tcp_sk)->pinet6 points at the ipv6_pinfo structure of the
listener socket.
This wasn't caught by the selftest because it closes the accepted fd
before the listening one.
adding a close(listenfd) after accept returns is enough:
BUG: KASAN: use-after-free in inet6_getname+0x6ba/0x790
Read of size 1 at addr ffff88810e310866 by task mptcp_connect/2518
Call Trace:
inet6_getname+0x6ba/0x790
__sys_getpeername+0x10b/0x250
__x64_sys_getpeername+0x6f/0xb0
also alter test program to exercise this.
Reported-by: Christoph Paasch <cpaasch@apple.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
We forget to put the inode and unmount the kernfs used for compaction.
Fixes: 71994620bb ("virtio_balloon: replace oom notifier with shrinker")
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Wei Wang <wei.w.wang@intel.com>
Cc: Liang Li <liang.z.li@intel.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20200205163402.42627-3-david@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
When unloading the driver while hinting is in progress, we will not
release the free page blocks back to MM, resulting in a memory leak.
Fixes: 86a559787e ("virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT")
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Wei Wang <wei.w.wang@intel.com>
Cc: Liang Li <liang.z.li@intel.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20200205163402.42627-2-david@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Make sure, at build time, that pfn array is big enough to hold a single
page. It happens to be true since the PAGE_SHIFT value at the moment is
20, which is 1M - exactly 256 4K balloon pages.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Since the need for a special flag to support SCSI passthrough on a
block device was added in May 2017 the SCSI passthrough support in
virtio-blk has been disabled. It has always been a bad idea
(just ask the original author..) and we have virtio-scsi for proper
passthrough. The feature also never made it into the virtio 1.0
or later specifications.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
VQs without a name specified are not valid; they are skipped in the
later loop that assigns MSI-X vectors to queues, but the per_vq_vectors
loop above that counts the required number of vectors previously still
counted any queue with a non-NULL callback as needing a vector.
Add a check to the per_vq_vectors loop so that vectors with no name are
not counted to make the two loops consistent. This prevents
over-counting unnecessary vectors (e.g. for features which were not
negotiated with the device).
Cc: stable@vger.kernel.org
Fixes: 86a559787e ("virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT")
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Daniel Verkamp <dverkamp@chromium.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Wang, Wei W <wei.w.wang@intel.com>
Ensure that elements of the callbacks array that correspond to
unavailable features are set to NULL; previously, they would be left
uninitialized.
Since the corresponding names array elements were explicitly set to
NULL, the uninitialized callback pointers would not actually be
dereferenced; however, the uninitialized callbacks elements would still
be read in vp_find_vqs_msix() and used to calculate the number of MSI-X
vectors required.
Cc: stable@vger.kernel.org
Fixes: 86a559787e ("virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_HINT")
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Daniel Verkamp <dverkamp@chromium.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Use devm_platform_ioremap_resource() to simplify code, which
contains platform_get_resource, devm_request_mem_region and
devm_ioremap.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Pull m68knommu updates from Greg Ungerer:
"A couple of changes:
- remove old CONFIG options from the m68knommu defconfig files
- fix a warning in the m68k non-MMU get_user() macro"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68knommu: fix memcpy() out of bounds warning in get_user()
m68k: configs: Cleanup old Kconfig IO scheduler options
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Merge tag 'Smack-for-5.6' of git://github.com/cschaufler/smack-next
Pull smack fix from Casey Schaufler:
"One fix for an obscure error found using an old version of ping(1)
that did not use IPv6 sockets in the documented way"
* tag 'Smack-for-5.6' of git://github.com/cschaufler/smack-next:
broken ping to ipv6 linklocal addresses on debian buster
- Refactor the metadata buffer functions to return the usual int error
value instead of the open coded error checking mess we have now.
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Merge tag 'xfs-5.6-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull moar xfs updates from Darrick Wong:
"This contains the buffer error code refactoring I mentioned last week,
now that it has had extra time to complete the full xfs fuzz testing
suite to make sure there aren't any obvious new bugs"
* tag 'xfs-5.6-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: fix xfs_buf_ioerror_alert location reporting
xfs: remove unnecessary null pointer checks from _read_agf callers
xfs: make xfs_*read_agf return EAGAIN to ALLOC_FLAG_TRYLOCK callers
xfs: remove the xfs_btree_get_buf[ls] functions
xfs: make xfs_trans_get_buf return an error code
xfs: make xfs_trans_get_buf_map return an error code
xfs: make xfs_buf_read return an error code
xfs: make xfs_buf_get_uncached return an error code
xfs: make xfs_buf_get return an error code
xfs: make xfs_buf_read_map return an error code
xfs: make xfs_buf_get_map return an error code
xfs: make xfs_buf_alloc return an error code
- Added new "bootconfig".
Looks for a file appended to initrd to add boot config options.
This has been discussed thoroughly at Linux Plumbers.
Very useful for adding kprobes at bootup.
Only enabled if "bootconfig" is on the real kernel command line.
- Created dynamic event creation.
Merges common code between creating synthetic events and
kprobe events.
- Rename perf "ring_buffer" structure to "perf_buffer"
- Rename ftrace "ring_buffer" structure to "trace_buffer"
Had to rename existing "trace_buffer" to "array_buffer"
- Allow trace_printk() to work withing (some) tracing code.
- Sort of tracing configs to be a little better organized
- Fixed bug where ftrace_graph hash was not being protected properly
- Various other small fixes and clean ups
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Merge tag 'trace-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
- Added new "bootconfig".
This looks for a file appended to initrd to add boot config options,
and has been discussed thoroughly at Linux Plumbers.
Very useful for adding kprobes at bootup.
Only enabled if "bootconfig" is on the real kernel command line.
- Created dynamic event creation.
Merges common code between creating synthetic events and kprobe
events.
- Rename perf "ring_buffer" structure to "perf_buffer"
- Rename ftrace "ring_buffer" structure to "trace_buffer"
Had to rename existing "trace_buffer" to "array_buffer"
- Allow trace_printk() to work withing (some) tracing code.
- Sort of tracing configs to be a little better organized
- Fixed bug where ftrace_graph hash was not being protected properly
- Various other small fixes and clean ups
* tag 'trace-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (88 commits)
bootconfig: Show the number of nodes on boot message
tools/bootconfig: Show the number of bootconfig nodes
bootconfig: Add more parse error messages
bootconfig: Use bootconfig instead of boot config
ftrace: Protect ftrace_graph_hash with ftrace_sync
ftrace: Add comment to why rcu_dereference_sched() is open coded
tracing: Annotate ftrace_graph_notrace_hash pointer with __rcu
tracing: Annotate ftrace_graph_hash pointer with __rcu
bootconfig: Only load bootconfig if "bootconfig" is on the kernel cmdline
tracing: Use seq_buf for building dynevent_cmd string
tracing: Remove useless code in dynevent_arg_pair_add()
tracing: Remove check_arg() callbacks from dynevent args
tracing: Consolidate some synth_event_trace code
tracing: Fix now invalid var_ref_vals assumption in trace action
tracing: Change trace_boot to use synth_event interface
tracing: Move tracing selftests to bottom of menu
tracing: Move mmio tracer config up with the other tracers
tracing: Move tracing test module configs together
tracing: Move all function tracing configs together
tracing: Documentation for in-kernel synthetic event API
...
HP want to keep BIOS verb table for release platform.
So, it need to add 0x19 pin for quirk.
Fixes: 5af29028fd ("ALSA: hda/realtek - Add Headset Mic supported for HP cPC")
Signed-off-by: Kailang Yang <kailang@realtek.com>
Link: https://lore.kernel.org/r/74636ccb700a4cbda24c58a99dc430ce@realtek.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Merge tag 'io_uring-5.6-2020-02-05' of git://git.kernel.dk/linux-block
Pull io_uring updates from Jens Axboe:
"Some later fixes for io_uring:
- Small cleanup series from Pavel
- Belt and suspenders build time check of sqe size and layout
(Stefan)
- Addition of ->show_fdinfo() on request of Jann Horn, to aid in
understanding mapped personalities
- eventfd recursion/deadlock fix, for both io_uring and aio
- Fixup for send/recv handling
- Fixup for double deferral of read/write request
- Fix for potential double completion event for close request
- Adjust fadvise advice async/inline behavior
- Fix for shutdown hang with SQPOLL thread
- Fix for potential use-after-free of fixed file table"
* tag 'io_uring-5.6-2020-02-05' of git://git.kernel.dk/linux-block:
io_uring: cleanup fixed file data table references
io_uring: spin for sq thread to idle on shutdown
aio: prevent potential eventfd recursion on poll
io_uring: put the flag changing code in the same spot
io_uring: iterate req cache backwards
io_uring: punt even fadvise() WILLNEED to async context
io_uring: fix sporadic double CQE entry for close
io_uring: remove extra ->file check
io_uring: don't map read/write iovec potentially twice
io_uring: use the proper helpers for io_send/recv
io_uring: prevent potential eventfd recursion on poll
eventfd: track eventfd_signal() recursion depth
io_uring: add BUILD_BUG_ON() to assert the layout of struct io_uring_sqe
io_uring: add ->show_fdinfo() for the io_uring file descriptor
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Merge tag 'block-5.6-2020-02-05' of git://git.kernel.dk/linux-block
Pull more block updates from Jens Axboe:
"Some later arrivals, but all fixes at this point:
- bcache fix series (Coly)
- Series of BFQ fixes (Paolo)
- NVMe pull request from Keith with a few minor NVMe fixes
- Various little tweaks"
* tag 'block-5.6-2020-02-05' of git://git.kernel.dk/linux-block: (23 commits)
nvmet: update AEN list and array at one place
nvmet: Fix controller use after free
nvmet: Fix error print message at nvmet_install_queue function
brd: check and limit max_part par
nvme-pci: remove nvmeq->tags
nvmet: fix dsm failure when payload does not match sgl descriptor
nvmet: Pass lockdep expression to RCU lists
block, bfq: clarify the goal of bfq_split_bfqq()
block, bfq: get a ref to a group when adding it to a service tree
block, bfq: remove ifdefs from around gets/puts of bfq groups
block, bfq: extend incomplete name of field on_st
block, bfq: get extra ref to prevent a queue from being freed during a group move
block, bfq: do not insert oom queue into position tree
block, bfq: do not plug I/O for bfq_queues with no proc refs
bcache: check return value of prio_read()
bcache: fix incorrect data type usage in btree_flush_write()
bcache: add readahead cache policy options via sysfs interface
bcache: explicity type cast in bset_bkey_last()
bcache: fix memory corruption in bch_cache_accounting_clear()
xen/blkfront: limit allocated memory size to actual use case
...
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Merge tag 'libata-5.6-2020-02-05' of git://git.kernel.dk/linux-block
Pull libata updates from Jens Axboe:
- Add a Sandisk CF card to supported pata_pcmcia list (Christian)
- Move pata_arasan_cf away from legacy API (Peter)
- Ensure ahci DMA/ints are shut down on shutdown (Prabhakar)
* tag 'libata-5.6-2020-02-05' of git://git.kernel.dk/linux-block:
ata: pata_arasan_cf: Use dma_request_chan() instead dma_request_slave_channel()
ata: ahci: Add shutdown to freeze hardware resources of ahci
pata_pcmia: add SanDisk High (>8G) CF card to supported list
Makes it easier to debug errors on writeback that happen later,
and are being returned on flush or fsync
For example:
writetest-17829 [002] .... 13583.407859: cifs_flush_err: ino=90 rc=-28
Signed-off-by: Steve French <stfrench@microsoft.com>
We ran into a confusing problem where an application wasn't checking
return code on close and so user didn't realize that the application
ran out of disk space. log a warning message (once) in these
cases. For example:
[ 8407.391909] Out of space writing to \\oleg-server\small-share
Signed-off-by: Steve French <stfrench@microsoft.com>
Reported-by: Oleg Kravtsov <oleg@tuxera.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Depending on include order:
include/linux/of_clk.h:11:45: warning: ‘struct device_node’ declared inside parameter list will not be visible outside of this definition or declaration
unsigned int of_clk_get_parent_count(struct device_node *np);
^~~~~~~~~~~
include/linux/of_clk.h:12:43: warning: ‘struct device_node’ declared inside parameter list will not be visible outside of this definition or declaration
const char *of_clk_get_parent_name(struct device_node *np, int index);
^~~~~~~~~~~
include/linux/of_clk.h:13:31: warning: ‘struct of_device_id’ declared inside parameter list will not be visible outside of this definition or declaration
void of_clk_init(const struct of_device_id *matches);
^~~~~~~~~~~~
Fix this by adding forward declarations for struct device_node and
struct of_device_id.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lkml.kernel.org/r/20200205194649.31309-1-geert+renesas@glider.be
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Show the number of bootconfig nodes when applying new bootconfig to
initrd.
Since there are limitations of bootconfig not only in its filesize,
but also the number of nodes, the number should be shown when applying
so that user can get the feeling of scale of current bootconfig.
Link: http://lkml.kernel.org/r/158091061337.27924.10886706631693823982.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Add more error messages for following cases.
- Exceeding max number of nodes
- Config tree data is empty (e.g. comment only)
- Config data is empty or exceeding max size
- bootconfig is already initialized
Link: http://lkml.kernel.org/r/158091060401.27924.9024818742827122764.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
