Current release - regressions:
- eth: bnxt_en: fix memory out-of-bounds in bnxt_fill_hw_rss_tbl()
on older chips
Current release - new code bugs:
- ethtool: fix off-by-one error / kdoc contradicting the code
for max RSS context IDs
- Bluetooth: hci_qca:
- QCA6390: fix support on non-DT platforms
- QCA6390: don't call pwrseq_power_off() twice
- fix a NULL-pointer derefence at shutdown
- eth: ice: fix incorrect assigns of FEC counters
Previous releases - regressions:
- mptcp: fix handling endpoints with both 'signal' and 'subflow'
flags set
- virtio-net: fix changing ring count when vq IRQ coalescing not
supported
- eth: gve: fix use of netif_carrier_ok() during reconfig / reset
Previous releases - always broken:
- eth: idpf: fix bugs in queue re-allocation on reconfig / reset
- ethtool: fix context creation with no parameters
Misc:
- linkwatch: use system_unbound_wq to ease RTNL contention
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth.
Current release - regressions:
- eth: bnxt_en: fix memory out-of-bounds in bnxt_fill_hw_rss_tbl() on
older chips
Current release - new code bugs:
- ethtool: fix off-by-one error / kdoc contradicting the code for max
RSS context IDs
- Bluetooth: hci_qca:
- QCA6390: fix support on non-DT platforms
- QCA6390: don't call pwrseq_power_off() twice
- fix a NULL-pointer derefence at shutdown
- eth: ice: fix incorrect assigns of FEC counters
Previous releases - regressions:
- mptcp: fix handling endpoints with both 'signal' and 'subflow'
flags set
- virtio-net: fix changing ring count when vq IRQ coalescing not
supported
- eth: gve: fix use of netif_carrier_ok() during reconfig / reset
Previous releases - always broken:
- eth: idpf: fix bugs in queue re-allocation on reconfig / reset
- ethtool: fix context creation with no parameters
Misc:
- linkwatch: use system_unbound_wq to ease RTNL contention"
* tag 'net-6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (41 commits)
net: dsa: microchip: disable EEE for KSZ8567/KSZ9567/KSZ9896/KSZ9897.
ethtool: Fix context creation with no parameters
net: ethtool: fix off-by-one error in max RSS context IDs
net: pse-pd: tps23881: include missing bitfield.h header
net: fec: Stop PPS on driver remove
net: bcmgenet: Properly overlay PHY and MAC Wake-on-LAN capabilities
l2tp: fix lockdep splat
net: stmmac: dwmac4: fix PCS duplex mode decode
idpf: fix UAFs when destroying the queues
idpf: fix memleak in vport interrupt configuration
idpf: fix memory leaks and crashes while performing a soft reset
bnxt_en : Fix memory out-of-bounds in bnxt_fill_hw_rss_tbl()
net: dsa: bcm_sf2: Fix a possible memory leak in bcm_sf2_mdio_register()
net/smc: add the max value of fallback reason count
Bluetooth: hci_sync: avoid dup filtering when passive scanning with adv monitor
Bluetooth: l2cap: always unlock channel in l2cap_conless_channel()
Bluetooth: hci_qca: fix a NULL-pointer derefence at shutdown
Bluetooth: hci_qca: fix QCA6390 support on non-DT platforms
Bluetooth: hci_qca: don't call pwrseq_power_off() twice for QCA6390
ice: Fix incorrect assigns of FEC counts
...
aren't considered necessary for earlier kernels. 5 are MM and 4 are
non-MM. No identifiable theme here - please see the individual changelogs.
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Merge tag 'mm-hotfixes-stable-2024-08-07-18-32' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"Nine hotfixes. Five are cc:stable, the others either pertain to
post-6.10 material or aren't considered necessary for earlier kernels.
Five are MM and four are non-MM. No identifiable theme here - please
see the individual changelogs"
* tag 'mm-hotfixes-stable-2024-08-07-18-32' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
padata: Fix possible divide-by-0 panic in padata_mt_helper()
mailmap: update entry for David Heidelberg
memcg: protect concurrent access to mem_cgroup_idr
mm: shmem: fix incorrect aligned index when checking conflicts
mm: shmem: avoid allocating huge pages larger than MAX_PAGECACHE_ORDER for shmem
mm: list_lru: fix UAF for memory cgroup
kcov: properly check for softirq context
MAINTAINERS: Update LTP members and web
selftests: mm: add s390 to ARCH check
commit 0518dbe97f ("selftests/mm: fix cross compilation with LLVM")
changed the env variable for the architecture from MACHINE to ARCH.
This is preventing 3 required TEST_GEN_FILES from being included when
cross compiling s390x and errors when trying to run the test suite. This
is due to the ARCH variable already being set and the arch folder name
being s390.
Add "s390" to the filtered list to cover this case and have the 3 files
included in the build.
Link: https://lkml.kernel.org/r/20240724213517.23918-1-npache@redhat.com
Fixes: 0518dbe97f ("selftests/mm: fix cross compilation with LLVM")
Signed-off-by: Nico Pache <npache@redhat.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
There are a couple of statements with two following semicolons,
replace these with just one semicolon.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20240802113436.448939-1-colin.i.king@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This kselftest fixes update consists of a single fix to the conditional
in ksft.py script which incorrectly flags a test suite failed when there
are skipped tests in the mix. The logic is fixed to take skipped tests
into account and report the test as passed.
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Merge tag 'linux_kselftest-fixes-6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fix from Shuah Khan:
"A single fix to the conditional in ksft.py script which incorrectly
flags a test suite failed when there are skipped tests in the mix.
The logic is fixed to take skipped tests into account and report the
test as passed"
* tag 'linux_kselftest-fixes-6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: ksft: Fix finished() helper exit code on skipped tests
Print more stack frames and the failing line when check fails.
This helps when tests use helpers to do the checks.
Before:
# At ./ksft/drivers/net/hw/rss_ctx.py line 92:
# Check failed 1037698 >= 396893.0 traffic on other queues:[344612, 462380, 233020, 449174, 342298]
not ok 8 rss_ctx.test_rss_context_queue_reconfigure
After:
# Check| At ./ksft/drivers/net/hw/rss_ctx.py, line 387, in test_rss_context_queue_reconfigure:
# Check| test_rss_queue_reconfigure(cfg, main_ctx=False)
# Check| At ./ksft/drivers/net/hw/rss_ctx.py, line 230, in test_rss_queue_reconfigure:
# Check| _send_traffic_check(cfg, port, ctx_ref, { 'target': (0, 3),
# Check| At ./ksft/drivers/net/hw/rss_ctx.py, line 92, in _send_traffic_check:
# Check| ksft_lt(sum(cnts[i] for i in params['noise']), directed / 2,
# Check failed 1045235 >= 405823.5 traffic on other queues (context 1)':[460068, 351995, 565970, 351579, 127270]
not ok 8 rss_ctx.test_rss_context_queue_reconfigure
Link: https://patch.msgid.link/20240801232317.545577-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Petr suggested to use errno.EOPNOTSUPP instead of hard-coded 95
in the new test case. Adjust existing ones to match this style.
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20240802000309.2368-3-sdf@fomichev.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add new @ksft_disruptive decorator to mark the tests that might
be disruptive to the system. Depending on how well the previous
test works in the CI we might want to disable disruptive tests
by default and only let the developers run them manually.
KSFT framework runs disruptive tests by default. DISRUPTIVE=False
environment (or config file) can be used to disable these tests.
ksft_setup should be called by the test cases that want to use
new decorator (ksft_setup is only called via NetDrvEnv/NetDrvEpEnv for now).
In the future we can add similar decorators to, for example, avoid
running slow tests all the time. And/or have some option to run
only 'fast' tests for some sort of smoke test scenario.
$ DISRUPTIVE=False ./stats.py
KTAP version 1
1..5
ok 1 stats.check_pause
ok 2 stats.check_fec
ok 3 stats.pkt_byte_sum
ok 4 stats.qstat_by_ifindex
ok 5 stats.check_down # SKIP marked as disruptive
# Totals: pass:4 fail:0 xfail:0 xpass:0 skip:1 error:0
v3:
- parse yes and properly treat non-zero nums as true (Petr)
v2:
- convert from cli argument to env variable (Jakub)
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20240802000309.2368-2-sdf@fomichev.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Verify that total device stats don't decrease after it has been turned down.
Also make sure the device doesn't crash when we access per-queue stats
when it's down (in case it tries to access some pointers that are NULL).
KTAP version 1
1..5
ok 1 stats.check_pause
ok 2 stats.check_fec
ok 3 stats.pkt_byte_sum
ok 4 stats.qstat_by_ifindex
ok 5 stats.check_down
# Totals: pass:5 fail:0 xfail:0 xpass:0 skip:0 error:0
v3:
- use errno.EOPNOTSUPP (Petr)
- move qstat[0] under try (Petr)
v2:
- KTAP output formatting (Jakub)
- defer instead of try/finally (Jakub)
- disappearing stats is an error (Jakub)
- ksft_ge instead of open coding (Jakub)
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20240802000309.2368-1-sdf@fomichev.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
confidential VMs
* fix "underline too short" in docs
* eliminate log spam from limited APIC timer periods
* disallow pre-faulting of memory before SEV-SNP VMs are initialized
* delay clearing and encrypting private memory until it is added to
guest page tables
* this change also enables another small cleanup: the checks in
SNP_LAUNCH_UPDATE that limit it to non-populated, private pages
can now be moved in the common kvm_gmem_populate() function
* fix compilation error that the RISC-V merge introduced in selftests
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"The bulk of the changes here is a largish change to guest_memfd,
delaying the clearing and encryption of guest-private pages until they
are actually added to guest page tables. This started as "let's make
it impossible to misuse the API" for SEV-SNP; but then it ballooned a
bit.
The new logic is generally simpler and more ready for hugepage support
in guest_memfd.
Summary:
- fix latent bug in how usage of large pages is determined for
confidential VMs
- fix "underline too short" in docs
- eliminate log spam from limited APIC timer periods
- disallow pre-faulting of memory before SEV-SNP VMs are initialized
- delay clearing and encrypting private memory until it is added to
guest page tables
- this change also enables another small cleanup: the checks in
SNP_LAUNCH_UPDATE that limit it to non-populated, private pages can
now be moved in the common kvm_gmem_populate() function
- fix compilation error that the RISC-V merge introduced in selftests"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86/mmu: fix determination of max NPT mapping level for private pages
KVM: riscv: selftests: Fix compile error
KVM: guest_memfd: abstract how prepared folios are recorded
KVM: guest_memfd: let kvm_gmem_populate() operate only on private gfns
KVM: extend kvm_range_has_memory_attributes() to check subset of attributes
KVM: cleanup and add shortcuts to kvm_range_has_memory_attributes()
KVM: guest_memfd: move check for already-populated page to common code
KVM: remove kvm_arch_gmem_prepare_needed()
KVM: guest_memfd: make kvm_gmem_prepare_folio() operate on a single struct kvm
KVM: guest_memfd: delay kvm_gmem_prepare_folio() until the memory is passed to the guest
KVM: guest_memfd: return locked folio from __kvm_gmem_get_pfn
KVM: rename CONFIG_HAVE_KVM_GMEM_* to CONFIG_HAVE_KVM_ARCH_GMEM_*
KVM: guest_memfd: do not go through struct page
KVM: guest_memfd: delay folio_mark_uptodate() until after successful preparation
KVM: guest_memfd: return folio from __kvm_gmem_get_pfn()
KVM: x86: disallow pre-fault for SNP VMs before initialization
KVM: Documentation: Fix title underline too short warning
KVM: x86: Eliminate log spam from limited APIC timer periods
* A fix to avoid dropping some of the internal pseudo-extensions, which
breaks *envcfg dependency parsing.
* The kernel entry address is now aligned in purgatory, which avoids a
misaligned load that can lead to crash on systems that don't support
misaligned accesses early in boot.
* The FW_SFENCE_VMA_RECEIVED perf event was duplicated in a handful of
perf JSON configurations, one of them been updated to
FW_SFENCE_VMA_ASID_SENT.
* The starfive cache driver is now restricted to 64-bit systems, as it
isn't 32-bit clean.
* A fix for to avoid aliasing legacy-mode perf counters with software
perf counters.
* VM_FAULT_SIGSEGV is now handled in the page fault code.
* A fix for stalls during CPU hotplug due to IPIs being disabled.
* A fix for memblock bounds checking. This manifests as a crash on
systems with discontinuous memory maps that have regions that don't
fit in the linear map.
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Merge tag 'riscv-for-linus-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix to avoid dropping some of the internal pseudo-extensions, which
breaks *envcfg dependency parsing
- The kernel entry address is now aligned in purgatory, which avoids a
misaligned load that can lead to crash on systems that don't support
misaligned accesses early in boot
- The FW_SFENCE_VMA_RECEIVED perf event was duplicated in a handful of
perf JSON configurations, one of them been updated to
FW_SFENCE_VMA_ASID_SENT
- The starfive cache driver is now restricted to 64-bit systems, as it
isn't 32-bit clean
- A fix for to avoid aliasing legacy-mode perf counters with software
perf counters
- VM_FAULT_SIGSEGV is now handled in the page fault code
- A fix for stalls during CPU hotplug due to IPIs being disabled
- A fix for memblock bounds checking. This manifests as a crash on
systems with discontinuous memory maps that have regions that don't
fit in the linear map
* tag 'riscv-for-linus-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Fix linear mapping checks for non-contiguous memory regions
RISC-V: Enable the IPI before workqueue_online_cpu()
riscv/mm: Add handling for VM_FAULT_SIGSEGV in mm_fault_error()
perf: riscv: Fix selecting counters in legacy mode
cache: StarFive: Require a 64-bit system
perf arch events: Fix duplicate RISC-V SBI firmware event name
riscv/purgatory: align riscv_kernel_entry
riscv: cpufeature: Do not drop Linux-internal extensions
These are three important bug fixes for the cross-architecture tree,
fixing a regression with the new syscall.tbl file, the inconsistent
numbering for the new uretprobe syscall and a bug with iowrite64be
on alpha.
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Merge tag 'asm-generic-fixes-6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic fixes from Arnd Bergmann:
"These are three important bug fixes for the cross-architecture tree,
fixing a regression with the new syscall.tbl file, the inconsistent
numbering for the new uretprobe syscall and a bug with iowrite64be on
alpha"
* tag 'asm-generic-fixes-6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
syscalls: fix syscall macros for newfstat/newfstatat
uretprobe: change syscall number, again
alpha: fix ioread64be()/iowrite64be() helpers
client:
- fix error code
atomic:
- allow damage clips with async flips
- allow explicit sync with async flips
kselftests:
- fix dmabuf-heaps test
panic:
- fix schedule_work in panic paths
panel:
- fix OrangePi Neo orientation
gpuvm:
- fix missing dependency
amdgpu:
- SMU 14.x update
- Fix contiguous VRAM handling for IB parsing
- GFX 12 fix
- Regression fix for old APUs
i915:
- Static analysis fix for int overflow
- Fix for HDCP2_STREAM_STATUS macro and removal of PWR_CLK_STATE for gen12
nouveau:
- revert busy wait change that caused a resume regression
- fix buffer placement fault on dynamic pm s/r
- fix refcount underflow
ast:
- fix black screen on resume
- wake during connector status detect
v3d:
- fix issues with perf/timestamp ioctls
vmwgfx:
- fix deadlock in dma-buf fence polling
- fix screen surface refcounting
- fix dumb buffer handling
- fix support for external buffers
- fix overlay with screen targets
- trigger modeset on screen moves
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Merge tag 'drm-fixes-2024-08-02' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Regular weekly fixes. This is a bit larger than usual but doesn't seem
too crazy.
Most of it is vmwgfx changes that fix a bunch of issues with wayland
userspaces with dma-buf/external buffers and modesetting fixes.
Otherwise it's kinda spread out, v3d fixes some new ioctls, nouveau
has regression revert and fixes, amdgpu, i915 and ast have some small
fixes, and some core fixes spread about.
client:
- fix error code
atomic:
- allow damage clips with async flips
- allow explicit sync with async flips
kselftests:
- fix dmabuf-heaps test
panic:
- fix schedule_work in panic paths
panel:
- fix OrangePi Neo orientation
gpuvm:
- fix missing dependency
amdgpu:
- SMU 14.x update
- Fix contiguous VRAM handling for IB parsing
- GFX 12 fix
- Regression fix for old APUs
i915:
- Static analysis fix for int overflow
- Fix for HDCP2_STREAM_STATUS macro and removal of PWR_CLK_STATE for gen12
nouveau:
- revert busy wait change that caused a resume regression
- fix buffer placement fault on dynamic pm s/r
- fix refcount underflow
ast:
- fix black screen on resume
- wake during connector status detect
v3d:
- fix issues with perf/timestamp ioctls
vmwgfx:
- fix deadlock in dma-buf fence polling
- fix screen surface refcounting
- fix dumb buffer handling
- fix support for external buffers
- fix overlay with screen targets
- trigger modeset on screen moves"
* tag 'drm-fixes-2024-08-02' of https://gitlab.freedesktop.org/drm/kernel: (31 commits)
Revert "nouveau: rip out busy fence waits"
nouveau: set placement to original placement on uvmm validate.
drm/atomic: Allow userspace to use damage clips with async flips
drm/atomic: Allow userspace to use explicit sync with atomic async flips
drm/i915: Fix possible int overflow in skl_ddi_calculate_wrpll()
drm/i915/hdcp: Fix HDCP2_STREAM_STATUS macro
drm/ast: astdp: Wake up during connector status detection
i915/perf: Remove code to update PWR_CLK_STATE for gen12
kselftests: dmabuf-heaps: Ensure the driver name is null-terminated
drm/client: Fix error code in drm_client_buffer_vmap_local()
drm/amdgpu: Fix APU handling in amdgpu_pm_load_smu_firmware()
drm/amdgpu: increase mes log buffer size for gfx12
drm/amdgpu: fix contiguous handling for IB parsing v2
drm/amdgpu/pm: support gpu_metrics sysfs interface for smu v14.0.2/3
drm/vmwgfx: Trigger a modeset when the screen moves
drm/vmwgfx: Fix overlay when using Screen Targets
drm/vmwgfx: Add basic support for external buffers
drm/vmwgfx: Fix handling of dumb buffers
drm/vmwgfx: Make sure the screen surface is ref counted
drm/vmwgfx: Fix a deadlock in dma buf fence polling
...
Despite multiple attempts to get the syscall number assignment right
for the newly added uretprobe syscall, we ended up with a bit of a mess:
- The number is defined as 467 based on the assumption that the
xattrat family of syscalls would use 463 through 466, but those
did not make it into 6.11.
- The include/uapi/asm-generic/unistd.h file still lists the number
463, but the new scripts/syscall.tbl that was supposed to have the
same data lists 467 instead as the number for arc, arm64, csky,
hexagon, loongarch, nios2, openrisc and riscv. None of these
architectures actually provide a uretprobe syscall.
- All the other architectures (powerpc, arm, mips, ...) don't list
this syscall at all.
There are two ways to make it consistent again: either list it with
the same syscall number on all architectures, or only list it on x86
but not in scripts/syscall.tbl and asm-generic/unistd.h.
Based on the most recent discussion, it seems like we won't need it
anywhere else, so just remove the inconsistent assignment and instead
move the x86 number to the next available one in the architecture
specific range, which is 335.
Fixes: 5c28424e9a ("syscalls: Fix to add sys_uretprobe to syscall.tbl")
Fixes: 190fec72df ("uprobe: Wire up uretprobe system call")
Fixes: 63ded11097 ("uprobe: Change uretprobe syscall scope and number")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Introduce two tests, one for SOCK_STREAM and one for SOCK_SEQPACKET,
which use SIOCOUTQ ioctl to check that the number of unsent bytes is
zero after delivering a packet.
vsock_connect and vsock_accept are no longer static: this is to
create more generic tests, allowing code to be reused for SEQPACKET
and STREAM.
Signed-off-by: Luigi Leonardi <luigi.leonardi@outlook.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It should be quite uncommon to set both the subflow and the signal
flags: the initiator of the connection is typically the one creating new
subflows, not the other peer, then no need to announce additional local
addresses, and use it to create subflows.
But some people might be confused about the flags, and set both "just to
be sure at least the right one is set". To verify the previous fix, and
avoid future regressions, this specific case is now validated: the
client announces a new address, and initiates a new subflow from the
same address.
While working on this, another bug has been noticed, where the client
reset the new subflow because an ADD_ADDR echo got received as the 3rd
ACK: this new test also explicitly checks that no RST have been sent by
the client and server.
The 'Fixes' tag here below is the same as the one from the previous
commit: this patch here is not fixing anything wrong in the selftests,
but it validates the previous fix for an issue introduced by this commit
ID.
Fixes: 86e39e0448 ("mptcp: keep track of local endpoint still available for each msk")
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240731-upstream-net-20240731-mptcp-endp-subflow-signal-v1-7-c8a9b036493b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In the following commit, the client will initiate the ADD_ADDR, instead
of the server. We need to way to verify the ADD_ADDR have been correctly
sent.
Note: the default expected counters for when the port number is given
are never changed by the caller, no need to accept them as parameter
then.
The 'Fixes' tag here below is the same as the one from the previous
commit: this patch here is not fixing anything wrong in the selftests,
but it validates the previous fix for an issue introduced by this commit
ID.
Fixes: 86e39e0448 ("mptcp: keep track of local endpoint still available for each msk")
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20240731-upstream-net-20240731-mptcp-endp-subflow-signal-v1-6-c8a9b036493b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current release - regressions:
- core: drop bad gso csum_start and offset in virtio_net_hdr
- wifi: mt76: fix null pointer access in mt792x_mac_link_bss_remove
- eth: tun: add missing bpf_net_ctx_clear() in do_xdp_generic()
- phy: aquantia: only poll GLOBAL_CFG regs on aqr113, aqr113c and aqr115c
Current release - new code bugs:
- smc: prevent UAF in inet_create()
- bluetooth: btmtk: fix kernel crash when entering btmtk_usb_suspend
- eth: bnxt: reject unsupported hash functions
Previous releases - regressions:
- sched: act_ct: take care of padding in struct zones_ht_key
- netfilter: fix null-ptr-deref in iptable_nat_table_init().
- tcp: adjust clamping window for applications specifying SO_RCVBUF
Previous releases - always broken:
- ethtool: rss: small fixes to spec and GET
- mptcp:
- fix signal endpoint re-add
- pm: fix backup support in signal endpoints
- wifi: ath12k: fix soft lockup on suspend
- eth: bnxt_en: fix RSS logic in __bnxt_reserve_rings()
- eth: ice: fix AF_XDP ZC timeout and concurrency issues
- eth: mlx5:
- fix missing lock on sync reset reload
- fix error handling in irq_pool_request_irq
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from wireless, bleutooth, BPF and netfilter.
Current release - regressions:
- core: drop bad gso csum_start and offset in virtio_net_hdr
- wifi: mt76: fix null pointer access in mt792x_mac_link_bss_remove
- eth: tun: add missing bpf_net_ctx_clear() in do_xdp_generic()
- phy: aquantia: only poll GLOBAL_CFG regs on aqr113, aqr113c and
aqr115c
Current release - new code bugs:
- smc: prevent UAF in inet_create()
- bluetooth: btmtk: fix kernel crash when entering btmtk_usb_suspend
- eth: bnxt: reject unsupported hash functions
Previous releases - regressions:
- sched: act_ct: take care of padding in struct zones_ht_key
- netfilter: fix null-ptr-deref in iptable_nat_table_init().
- tcp: adjust clamping window for applications specifying SO_RCVBUF
Previous releases - always broken:
- ethtool: rss: small fixes to spec and GET
- mptcp:
- fix signal endpoint re-add
- pm: fix backup support in signal endpoints
- wifi: ath12k: fix soft lockup on suspend
- eth: bnxt_en: fix RSS logic in __bnxt_reserve_rings()
- eth: ice: fix AF_XDP ZC timeout and concurrency issues
- eth: mlx5:
- fix missing lock on sync reset reload
- fix error handling in irq_pool_request_irq"
* tag 'net-6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (76 commits)
mptcp: fix duplicate data handling
mptcp: fix bad RCVPRUNED mib accounting
ipv6: fix ndisc_is_useropt() handling for PIO
igc: Fix double reset adapter triggered from a single taprio cmd
net: MAINTAINERS: Demote Qualcomm IPA to "maintained"
net: wan: fsl_qmc_hdlc: Discard received CRC
net: wan: fsl_qmc_hdlc: Convert carrier_lock spinlock to a mutex
net/mlx5e: Add a check for the return value from mlx5_port_set_eth_ptys
net/mlx5e: Fix CT entry update leaks of modify header context
net/mlx5e: Require mlx5 tc classifier action support for IPsec prio capability
net/mlx5: Fix missing lock on sync reset reload
net/mlx5: Lag, don't use the hardcoded value of the first port
net/mlx5: DR, Fix 'stack guard page was hit' error in dr_rule
net/mlx5: Fix error handling in irq_pool_request_irq
net/mlx5: Always drain health in shutdown callback
net: Add skbuff.h to MAINTAINERS
r8169: don't increment tx_dropped in case of NETDEV_TX_BUSY
netfilter: iptables: Fix potential null-ptr-deref in ip6table_nat_table_init().
netfilter: iptables: Fix null-ptr-deref in iptable_nat_table_init().
net: drop bad gso csum_start and offset in virtio_net_hdr
...
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2024-07-31
We've added 2 non-merge commits during the last 2 day(s) which contain
a total of 2 files changed, 2 insertions(+), 2 deletions(-).
The main changes are:
1) Fix BPF selftest build after tree sync with regards to a _GNU_SOURCE
macro redefined compilation error, from Stanislav Fomichev.
2) Fix a wrong test in the ASSERT_OK() check in uprobe_syscall BPF selftest,
from Jiri Olsa.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf/selftests: Fix ASSERT_OK condition check in uprobe_syscall test
selftests/bpf: Filter out _GNU_SOURCE when compiling test_cpp
====================
Link: https://patch.msgid.link/20240731115706.19677-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The Python finished() helper currently exits with KSFT_FAIL when there
are only passed and skipped tests. Fix the logic to exit with KSFT_PASS
instead, making it consistent with its C and bash counterparts
(ksft_finished() and ktap_finished() respectively).
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Fixes: dacf1d7a78 ("kselftest: Add test to verify probe of devices from discoverable buses")
Signed-off-by: Laura Nao <laura.nao@collabora.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Some more fixes about the build and a random crash:
* Fix cross-build by setting pkg-config env according to the arch
* Fix static build for missing library dependencies
* Fix Segfault when callchain has no symbols
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Merge tag 'perf-tools-fixes-for-v6.11-2024-07-30' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Namhyung Kim:
"Some more build fixes and a random crash fix:
- Fix cross-build by setting pkg-config env according to the arch
- Fix static build for missing library dependencies
- Fix Segfault when callchain has no symbols"
* tag 'perf-tools-fixes-for-v6.11-2024-07-30' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
perf docs: Document cross compilation
perf: build: Link lib 'zstd' for static build
perf: build: Link lib 'lzma' for static build
perf: build: Only link libebl.a for old libdw
perf: build: Set Python configuration for cross compilation
perf: build: Setup PKG_CONFIG_LIBDIR for cross compilation
perf tool: fix dereferencing NULL al->maps
Fixing ASSERT_OK condition check in uprobe_syscall test,
otherwise we return from test on pipe success.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/bpf/20240726180847.684584-1-jolsa@kernel.org
Before the previous commit, 'signal' endpoints with the 'backup' flag
were ignored when sending the MP_JOIN.
The MPTCP Join selftest has then been modified to validate this case:
the "single address, backup" test, is now validating the MP_JOIN with a
backup flag as it is what we expect it to do with such name. The
previous version has been kept, but renamed to "single address, switch
to backup" to avoid confusions.
The "single address with port, backup" test is also now validating the
MPJ with a backup flag, which makes more sense than checking the switch
to backup with an MP_PRIO.
The "mpc backup both sides" test is now validating that the backup flag
is also set in MP_JOIN from and to the addresses used in the initial
subflow, using the special ID 0.
The 'Fixes' tag here below is the same as the one from the previous
commit: this patch here is not fixing anything wrong in the selftests,
but it validates the previous fix for an issue introduced by this commit
ID.
Fixes: 4596a2c1b7 ("mptcp: allow creating non-backup subflows")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
A peer can notify the other one that a subflow has to be treated as
"backup" by two different ways: either by sending a dedicated MP_PRIO
notification, or by setting the backup flag in the MP_JOIN handshake.
The selftests were previously monitoring the former, but not the latter.
This is what is now done here by looking at these new MIB counters when
validating the 'backup' cases:
MPTcpExtMPJoinSynBackupRx
MPTcpExtMPJoinSynAckBackupRx
The 'Fixes' tag here below is the same as the one from the previous
commit: this patch here is not fixing anything wrong in the selftests,
but it will help to validate a new fix for an issue introduced by this
commit ID.
Fixes: 4596a2c1b7 ("mptcp: allow creating non-backup subflows")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Jakub reports build failures when merging linux/master with net tree:
CXX test_cpp
In file included from <built-in>:454:
<command line>:2:9: error: '_GNU_SOURCE' macro redefined [-Werror,-Wmacro-redefined]
2 | #define _GNU_SOURCE
| ^
<built-in>:445:9: note: previous definition is here
445 | #define _GNU_SOURCE 1
The culprit is commit cc937dad85 ("selftests: centralize -D_GNU_SOURCE= to
CFLAGS in lib.mk") which unconditionally added -D_GNU_SOUCE to CLFAGS.
Apparently clang++ also unconditionally adds it for the C++ targets [0]
which causes a conflict. Add small change in the selftests makefile
to filter it out for test_cpp.
Not sure which tree it should go via, targeting bpf for now, but net
might be better?
0: https://stackoverflow.com/questions/11670581/why-is-gnu-source-defined-by-default-and-how-to-turn-it-off
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/20240725214029.1760809-1-sdf@fomichev.me
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Merge tag 'for-linus-2024072901' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Benjamin Tissoires:
- fixes for HID-BPF after the merge with the bpf tree (Arnd Bergmann
and Benjamin Tissoires)
- some tool type fix for the Wacom driver (Tatsunosuke Tobita)
- a reorder of the sensor discovery to ensure the HID AMD SFH is
removed when no sensors are available (Basavaraj Natikar)
* tag 'for-linus-2024072901' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
selftests/hid: add test for attaching multiple time the same struct_ops
HID: bpf: prevent the same struct_ops to be attached more than once
selftests/hid: disable struct_ops auto-attach
selftests/hid: fix bpf_wq new API
HID: amd_sfh: Move sensor discovery before HID device initialization
hid: bpf: add BPF_JIT dependency
HID: wacom: more appropriate tool type categorization
HID: wacom: Modify pen IDs
In main_loop_s function, when the open(cfg_input, O_RDONLY) function is
run, the last fd is not closed if the "--cfg_repeat > 0" branch is not
taken.
Fixes: 05be5e273c ("selftests: mptcp: add disconnect tests")
Cc: stable@vger.kernel.org
Signed-off-by: Liu Jing <liujing@cmss.chinamobile.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
pm_nl_check_endpoint() currently calls an not existing helper
to mark the test as failed. Fix the wrong call.
Fixes: 03668c65d1 ("selftests: mptcp: join: rework detailed report")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Delete and re-create a signal endpoint and ensure that the PM
actually deletes and re-create the subflow.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
We had a handful of bugs relating to key being either all 0
or just reported incorrectly as all 0. Check for this in
the tests.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Even if a vgem device is configured in, we will skip the import_vgem_fd()
test almost every time.
TAP version 13
1..11
# Testing heap: system
# =======================================
# Testing allocation and importing:
ok 1 # SKIP Could not open vgem -1
The problem is that we use the DRM_IOCTL_VERSION ioctl to query the driver
version information but leave the name field a non-null-terminated string.
Terminate it properly to actually test against the vgem device.
While at it, let's check the length of the driver name is exactly 4 bytes
and return early otherwise (in case there is a name like "vgemfoo" that
gets converted to "vgem\0" unexpectedly).
Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20240729024604.2046-1-yuzenghui@huawei.com
Fix compile error introduced by commit d27c34a735 ("KVM: riscv:
selftests: Add some Zc* extensions to get-reg-list test"). These
4 lines should be end with ";".
Fixes: d27c34a735 ("KVM: riscv: selftests: Add some Zc* extensions to get-reg-list test")
Signed-off-by: Yong-Xuan Wang <yongxuan.wang@sifive.com>
Reviewed-by: Clément Léger <cleger@rivosinc.com>
Link: https://lore.kernel.org/r/20240726084931.28924-5-yongxuan.wang@sifive.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This just standardizes the use of MIN() and MAX() macros, with the very
traditional semantics. The goal is to use these for C constant
expressions and for top-level / static initializers, and so be able to
simplify the min()/max() macros.
These macro names were used by various kernel code - they are very
traditional, after all - and all such users have been fixed up, with a
few different approaches:
- trivial duplicated macro definitions have been removed
Note that 'trivial' here means that it's obviously kernel code that
already included all the major kernel headers, and thus gets the new
generic MIN/MAX macros automatically.
- non-trivial duplicated macro definitions are guarded with #ifndef
This is the "yes, they define their own versions, but no, the include
situation is not entirely obvious, and maybe they don't get the
generic version automatically" case.
- strange use case #1
A couple of drivers decided that the way they want to describe their
versioning is with
#define MAJ 1
#define MIN 2
#define DRV_VERSION __stringify(MAJ) "." __stringify(MIN)
which adds zero value and I just did my Alexander the Great
impersonation, and rewrote that pointless Gordian knot as
#define DRV_VERSION "1.2"
instead.
- strange use case #2
A couple of drivers thought that it's a good idea to have a random
'MIN' or 'MAX' define for a value or index into a table, rather than
the traditional macro that takes arguments.
These values were re-written as C enum's instead. The new
function-line macros only expand when followed by an open
parenthesis, and thus don't clash with enum use.
Happily, there weren't really all that many of these cases, and a lot of
users already had the pattern of using '#ifndef' guarding (or in one
case just using '#undef MIN') before defining their own private version
that does the same thing. I left such cases alone.
Cc: David Laight <David.Laight@aculab.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Enable turbostat extensions to add both perf and PMT
(Intel Platform Monitoring Technology) counters via the cmdline.
Demonstrate PMT access with built-in support for Meteor Lake's Die%c6 counter.
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Merge tag 'v6.11-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat updates from Len Brown:
- Enable turbostat extensions to add both perf and PMT (Intel
Platform Monitoring Technology) counters via the cmdline
- Demonstrate PMT access with built-in support for Meteor Lake's
Die C6 counter
* tag 'v6.11-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
tools/power turbostat: version 2024.07.26
tools/power turbostat: Include umask=%x in perf counter's config
tools/power turbostat: Document PMT in turbostat.8
tools/power turbostat: Add MTL's PMT DC6 builtin counter
tools/power turbostat: Add early support for PMT counters
tools/power turbostat: Add selftests for added perf counters
tools/power turbostat: Add selftests for SMI, APERF and MPERF counters
tools/power turbostat: Move verbose counter messages to level 2
tools/power turbostat: Move debug prints from stdout to stderr
tools/power turbostat: Fix typo in turbostat.8
tools/power turbostat: Add perf added counter example to turbostat.8
tools/power turbostat: Fix formatting in turbostat.8
tools/power turbostat: Extend --add option with perf counters
tools/power turbostat: Group SMI counter with APERF and MPERF
tools/power turbostat: Add ZERO_ARRAY for zero initializing builtin array
tools/power turbostat: Replace enum rapl_source and cstate_source with counter_source
tools/power turbostat: Remove anonymous union from rapl_counter_info_t
tools/power/turbostat: Switch to new Intel CPU model defines
New Changes:
- Refactor to a common struct for DRAM and general media CXL events
- Add abstract distance calculation support for CXL
- Add CXL maturity map documentation to detail current state of CXL enabling
- Add warning on mixed CXL VH and RCH/RCD hierachy to inform unsupported config
- Replace ENXIO with EBUSY for inject poison limit reached via debugfs
- Replace ENXIO with EBUSY for inject poison cxl-test support
- XOR math fixup for DPA to SPA translation. Current math works for MODULO arithmetic
where HPA==SPA, however not for XOR decode.
- Move pci config read in cxl_dvsec_rr_decode() to avoid unnecessary acess
Fixes:
- Add a fix to address race condition in CXL memory hotplug notifier
- Add missing MODULE_DESCRIPTION() for CXL modules
- Fix incorrect vendor debug UUID define
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Merge tag 'cxl-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull CXL updates from Dave Jiang:
"Core:
- A CXL maturity map has been added to the documentation to detail
the current state of CXL enabling.
It provides the status of the current state of various CXL features
to inform current and future contributors of where things are and
which areas need contribution.
- A notifier handler has been added in order for a newly created CXL
memory region to trigger the abstract distance metrics calculation.
This should bring parity for CXL memory to the same level vs
hotplugged DRAM for NUMA abstract distance calculation. The
abstract distance reflects relative performance used for memory
tiering handling.
- An addition for XOR math has been added to address the CXL DPA to
SPA translation.
CXL address translation did not support address interleave math
with XOR prior to this change.
Fixes:
- Fix to address race condition in the CXL memory hotplug notifier
- Add missing MODULE_DESCRIPTION() for CXL modules
- Fix incorrect vendor debug UUID define
Misc:
- A warning has been added to inform users of an unsupported
configuration when mixing CXL VH and RCH/RCD hierarchies
- The ENXIO error code has been replaced with EBUSY for inject poison
limit reached via debugfs and cxl-test support
- Moving the PCI config read in cxl_dvsec_rr_decode() to avoid
unnecessary PCI config reads
- A refactor to a common struct for DRAM and general media CXL
events"
* tag 'cxl-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/core/pci: Move reading of control register to immediately before usage
cxl: Remove defunct code calculating host bridge target positions
cxl/region: Verify target positions using the ordered target list
cxl: Restore XOR'd position bits during address translation
cxl/core: Fold cxl_trace_hpa() into cxl_dpa_to_hpa()
cxl/test: Replace ENXIO with EBUSY for inject poison limit reached
cxl/memdev: Replace ENXIO with EBUSY for inject poison limit reached
cxl/acpi: Warn on mixed CXL VH and RCH/RCD Hierarchy
cxl/core: Fix incorrect vendor debug UUID define
Documentation: CXL Maturity Map
cxl/region: Simplify cxl_region_nid()
cxl/region: Support to calculate memory tier abstract distance
cxl/region: Fix a race condition in memory hotplug notifier
cxl: add missing MODULE_DESCRIPTION() macros
cxl/events: Use a common struct for DRAM and General Media events
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Merge tag 'landlock-6.11-rc1-houdini-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock fix from Mickaël Salaün:
"Jann Horn reported a sandbox bypass for Landlock. This includes the
fix and new tests. This should be backported"
* tag 'landlock-6.11-rc1-houdini-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
selftests/landlock: Add cred_transfer test
landlock: Don't lose track of restrictions on cred_transfer
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Merge tag 'mm-hotfixes-stable-2024-07-26-14-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc hotfixes from Andrew Morton:
"11 hotfixes, 7 of which are cc:stable. 7 are MM, 4 are other"
* tag 'mm-hotfixes-stable-2024-07-26-14-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
nilfs2: handle inconsistent state in nilfs_btnode_create_block()
selftests/mm: skip test for non-LPA2 and non-LVA systems
mm/page_alloc: fix pcp->count race between drain_pages_zone() vs __rmqueue_pcplist()
mm: memcg: add cacheline padding after lruvec in mem_cgroup_per_node
alloc_tag: outline and export free_reserved_page()
decompress_bunzip2: fix rare decompression failure
mm/huge_memory: avoid PMD-size page cache if needed
mm: huge_memory: use !CONFIG_64BIT to relax huge page alignment on 32 bit machines
mm: fix old/young bit handling in the faulting path
dt-bindings: arm: update James Clark's email address
MAINTAINERS: mailmap: update James Clark's email address
Post my improvement of the test in e4a4ba4154 ("selftests/mm:
va_high_addr_switch: dynamically initialize testcases to enable LPA2
testing"):
The test begins to fail on 4k and 16k pages, on non-LPA2 systems. To
reduce noise in the CI systems, let us skip the test when higher address
space is not implemented.
Link: https://lkml.kernel.org/r/20240718052504.356517-1-dev.jain@arm.com
Fixes: e4a4ba4154 ("selftests/mm: va_high_addr_switch: dynamically initialize testcases to enable LPA2 testing")
Signed-off-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: Ryan Roberts <ryan.roberts@arm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Release 2024.07.26:
Enable turbostat extensions to add both perf and PMT
(Intel Platform Monitoring Technology) counters from the cmdline.
Demonstrate PMT access with built-in support for Meteor Lake's Die%c6 counter.
This commit:
Clean up white-space nits introduced since version 2024.05.10
Signed-off-by: Len Brown <len.brown@intel.com>
Some counters, like cpu/cache-misses/, expose and require umask=%x
parameter alongside event=%x in the sysfs perf counter's event file.
This change make sure we parse and use it when opening user added
counters.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Add a general description of the user interface for adding PMT
counters with the new --add pmt,... option.
Provide a complete example for requesting two counters.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Provide a definition for metadata that allows reading DC6 residency
counter via PMT and exposes it as a builtin counter.
Note that this residency counter is updated and read via
entirely different mechanisms vs the MSR-based residency counters.
On MTL processors, there are times when Die%c6 will report above 100%.
This is still useful, but don't expect 3 digits of precision...
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Allows users to read Intel PMT (Platform Monitoring Technology)
counters, providing interface similar to one used to add MSR and perf
counters. Because PMT is exposed as a raw MMIO range, without metadata,
user has to supply the necessary information to find and correctly
display the requested counter.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Records the commands for cross compilation with two methods.
The first method relies on Multiarch. The second approach is to explicitly
specify the PKG_CONFIG variables, which is widely used in build system
(like Buildroot, Yocto, etc).
Co-developed-by: James Clark <james.clark@arm.com>
Signed-off-by: James Clark <james.clark@arm.com>
Signed-off-by: Leo Yan <leo.yan@arm.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: amadio@gentoo.org
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20240717082211.524826-7-leo.yan@arm.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
When build static perf, Makefile reports the error:
Makefile.config:480: No libdw DWARF unwind found, Please install
elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR
The libdw has been installed on the system, but the build system fails
to build the feature detecting binary 'test-libdw-dwarf-unwind'. The
failure is caused by missing to link the lib 'zstd'.
Link lib 'zstd' for the static build, in the end, the dwarf feature can
be enabled in the static perf.
Signed-off-by: Leo Yan <leo.yan@arm.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: amadio@gentoo.org
Cc: James Clark <james.clark@linaro.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20240717082211.524826-6-leo.yan@arm.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
The libunwind feature test failed with the static linkage. This is due
to the 'lzma' lib is missed, so link it to dismiss building failure.
Signed-off-by: Leo Yan <leo.yan@arm.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: amadio@gentoo.org
Cc: James Clark <james.clark@linaro.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20240717082211.524826-5-leo.yan@arm.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Since libdw version 0.177, elfutils has merged libebl.a into libdw (see
the commit "libebl: Don't install libebl.a, libebl.h and remove backends
from spec." in the elfutils repository).
As a result, libebl.a does not exist on Debian Bullseye and newer
releases, causing static perf builds to fail on these distributions.
This commit checks the libdw version and only links libebl.a if it
detects that the libdw version is older than 0.177.
Signed-off-by: Leo Yan <leo.yan@arm.com>
Tested-by: Ian Rogers <irogers@google.com>
Cc: amadio@gentoo.org
Cc: James Clark <james.clark@linaro.org>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20240717082211.524826-4-leo.yan@arm.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
