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To pick up the changes from:
6bda055d6258 ("KVM: define __KVM_HAVE_GUEST_DEBUG unconditionally")
5d9cb71642db ("KVM: arm64: move ARM-specific defines to uapi/asm/kvm.h")
71cd774ad2f9 ("KVM: s390: move s390-specific structs to uapi/asm/kvm.h")
d750951c9ed7 ("KVM: powerpc: move powerpc-specific structs to uapi/asm/kvm.h")
bcac0477277e ("KVM: x86: move x86-specific structs to uapi/asm/kvm.h")
c0a411904e15 ("KVM: remove more traces of device assignment UAPI")
f3c80061c0d3 ("KVM: SEV: fix compat ABI for KVM_MEMORY_ENCRYPT_OP")
That should be used to beautify the KVM arguments and it addresses these
tools/perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h
diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h
diff -u tools/arch/powerpc/include/uapi/asm/kvm.h arch/powerpc/include/uapi/asm/kvm.h
diff -u tools/arch/s390/include/uapi/asm/kvm.h arch/s390/include/uapi/asm/kvm.h
diff -u tools/arch/arm64/include/uapi/asm/kvm.h arch/arm64/include/uapi/asm/kvm.h
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240408185520.1550865-4-namhyung@kernel.org
To pick up the changes from:
41bcbe59c3b3f ("fs: FS_IOC_GETUUID")
ae8c511757304 ("fs: add FS_IOC_GETFSSYSFSPATH")
73fa7547c70b3 ("vfs: add RWF_NOAPPEND flag for pwritev2")
This should be used to beautify fs syscall arguments and it addresses
these tools/perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/include/uapi/linux/fs.h include/uapi/linux/fs.h
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240408185520.1550865-3-namhyung@kernel.org
To pick up changes from:
b112364867499 ("drm/i915: Add GuC submission interface version query")
5cf0fbf763741 ("drm/i915: Add some boring kerneldoc")
This should be used to beautify DRM syscall arguments and it addresses
these tools/perf build warnings:
Warning: Kernel ABI header differences:
diff -u tools/include/uapi/drm/i915_drm.h include/uapi/drm/i915_drm.h
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240408185520.1550865-2-namhyung@kernel.org
I got a report for a failure in BPF verifier on a recent kernel with
perf lock contention command. It checks task->sighand->siglock without
checking if sighand is NULL or not. Let's add one.
; if (&curr->sighand->siglock == (void *)lock)
265: (79) r1 = *(u64 *)(r0 +2624) ; frame1: R0_w=trusted_ptr_task_struct(off=0,imm=0)
; R1_w=rcu_ptr_or_null_sighand_struct(off=0,imm=0)
266: (b7) r2 = 0 ; frame1: R2_w=0
267: (0f) r1 += r2
R1 pointer arithmetic on rcu_ptr_or_null_ prohibited, null-check it first
processed 164 insns (limit 1000000) max_states_per_insn 1 total_states 15 peak_states 15 mark_read 5
-- END PROG LOAD LOG --
libbpf: prog 'contention_end': failed to load: -13
libbpf: failed to load object 'lock_contention_bpf'
libbpf: failed to load BPF skeleton 'lock_contention_bpf': -13
Failed to load lock-contention BPF skeleton
lock contention BPF setup failed
lock contention did not detect any lock contention
Fixes: 1811e82767dcc ("perf lock contention: Track and show siglock with address")
Reviewed-by: Ian Rogers <irogers@google.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Song Liu <song@kernel.org>
Cc: bpf@vger.kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240409225542.1870999-1-namhyung@kernel.org
The symbol__annotate2() initializes some data structures needed by TUI.
It has a logic to prevent calling it multiple times by checking if it
has the annotated source. But data type profiling uses a different
code (symbol__annotate) to allocate the annotated lines in advance.
So TUI missed to call symbol__annotate2() when it shows the annotation
browser.
Make symbol__annotate() reentrant and handle that situation properly.
This fixes a crash in the annotation browser started by perf report in
TUI like below.
$ perf report -s type,sym --tui
# and press 'a' key and then move down
Fixes: 81e57deec325 ("perf report: Support data type profiling")
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240405211800.1412920-2-namhyung@kernel.org
If the network configuration strings are passed as a combination of IPv4
and IPv6 addresses, the current KVP daemon does not handle processing for
the keyfile configuration format.
With these changes, the keyfile config generation logic scans through the
list twice to generate IPv4 and IPv6 sections for the configuration files
to handle this support.
Testcases ran:Rhel 9, Hyper-V VMs
(IPv4 only, IPv6 only, IPv4 and IPv6 combination)
Co-developed-by: Ani Sinha <anisinha@redhat.com>
Signed-off-by: Ani Sinha <anisinha@redhat.com>
Signed-off-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
Reviewed-by: Easwar Hariharan <eahariha@linux.microsoft.com>
Tested-by: Ani Sinha <anisinha@redhat.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Link: https://lore.kernel.org/r/1711115162-11629-1-git-send-email-shradhagupta@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <1711115162-11629-1-git-send-email-shradhagupta@linux.microsoft.com>
Use of the CPU MSR driver is now optional.
Perf is now preferred for many counters.
Non-root users can now execute turbostat, though with limited function.
Add counters for some new GFX hardware.
Minor fixes.
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Merge tag 'turbostat-2024.04.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat updates from Len Brown:
- Use of the CPU MSR driver is now optional
- Perf is now preferred for many counters
- Non-root users can now execute turbostat, though with limited
functionality
- Add counters for some new GFX hardware
- Minor fixes
* tag 'turbostat-2024.04.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (26 commits)
tools/power turbostat: v2024.04.10
tools/power/turbostat: Add support for Xe sysfs knobs
tools/power/turbostat: Add support for new i915 sysfs knobs
tools/power/turbostat: Introduce BIC_SAM_mc6/BIC_SAMMHz/BIC_SAMACTMHz
tools/power/turbostat: Fix uncore frequency file string
tools/power/turbostat: Unify graphics sysfs snapshots
tools/power/turbostat: Cache graphics sysfs path
tools/power/turbostat: Enable MSR_CORE_C1_RES support for ICX
tools/power turbostat: Add selftests
tools/power turbostat: read RAPL counters via perf
tools/power turbostat: Add proper re-initialization for perf file descriptors
tools/power turbostat: Clear added counters when in no-msr mode
tools/power turbostat: add early exits for permission checks
tools/power turbostat: detect and disable unavailable BICs at runtime
tools/power turbostat: Add reading aperf and mperf via perf API
tools/power turbostat: Add --no-perf option
tools/power turbostat: Add --no-msr option
tools/power turbostat: enhance -D (debug counter dump) output
tools/power turbostat: Fix warning upon failed /dev/cpu_dma_latency read
tools/power turbostat: Read base_hz and bclk from CPUID.16H if available
...
The struct adjtimex freq field takes a signed value who's units are in
shifted (<<16) parts-per-million.
Unfortunately for negative adjustments, the straightforward use of:
freq = ppm << 16 trips undefined behavior warnings with clang:
valid-adjtimex.c:66:6: warning: shifting a negative signed value is undefined [-Wshift-negative-value]
-499<<16,
~~~~^
valid-adjtimex.c:67:6: warning: shifting a negative signed value is undefined [-Wshift-negative-value]
-450<<16,
~~~~^
..
Fix it by using a multiply by (1 << 16) instead of shifting negative values
in the valid-adjtimex test case. Align the values for better readability.
Reported-by: Lee Jones <joneslee@google.com>
Reported-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: John Stultz <jstultz@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20240409202222.2830476-1-jstultz@google.com
Link: https://lore.kernel.org/lkml/0c6d4f0d-2064-4444-986b-1d1ed782135f@collabora.com/
Much of turbostat can now run with perf, rather than using the MSR driver
Some of turbostat can now run as a regular non-root user.
Add some new output columns for some new GFX hardware.
[This patch updates the version, but otherwise changes no function;
it touches up some checkpatch issues from previous patches]
Signed-off-by: Len Brown <len.brown@intel.com>
Xe graphics driver uses different graphics sysfs knobs including
/sys/class/drm/card0/device/tile0/gt0/gtidle/idle_residency_ms
/sys/class/drm/card0/device/tile0/gt0/freq0/cur_freq
/sys/class/drm/card0/device/tile0/gt0/freq0/act_freq
/sys/class/drm/card0/device/tile0/gt1/gtidle/idle_residency_ms
/sys/class/drm/card0/device/tile0/gt1/freq0/cur_freq
/sys/class/drm/card0/device/tile0/gt1/freq0/act_freq
Plus that,
/sys/class/drm/card0/device/tile0/gt<n>/gtidle/name
returns either gt<n>-rc or gt<n>-mc. rc is for GFX and mc is SA Media.
Enhance turbostat to prefer the Xe sysfs knobs when they are available.
Export gt<n>-rc via BIC_GFX_rc6/BIC_GFXMHz/BIC_GFXACTMHz.
Export gt<n>-mc via BIC_SMA_mc6/BIC_SMAMHz/BIC_SMAACTMHz.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
On Meteorlake platform, i915 driver supports the traditional graphics
sysfs knobs including
/sys/class/drm/card0/power/rc6_residency_ms
/sys/class/drm/card0/gt_cur_freq_mhz
/sys/class/drm/card0/gt_act_freq_mhz
At the same time, it also supports
/sys/class/drm/card0/gt/gt0/rc6_residency_ms
/sys/class/drm/card0/gt/gt0/rps_cur_freq_mhz
/sys/class/drm/card0/gt/gt0/rps_act_freq_mhz
/sys/class/drm/card0/gt/gt1/rc6_residency_ms
/sys/class/drm/card0/gt/gt1/rps_cur_freq_mhz
/sys/class/drm/card0/gt/gt1/rps_act_freq_mhz
gt0 is for GFX and gt1 is for SA Media.
Enhance turbostat to prefer the i915 new sysfs knobs.
Export gt0 via BIC_GFX_rc6/BIC_GFXMHz/BIC_GFXACTMHz.
Export gt1 via BIC_SMA_mc6/BIC_SMAMHz/BIC_SMAACTMHz.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Graphics driver (i915/Xe) on mordern platforms splits GFX and SA Media
information via different sysfs knobs.
Existing BIC_GFX_rc6/BIC_GFXMHz/BIC_GFXACTMHz columns can be reused for
GFX.
Introduce BIC_SAM_mc6/BIC_SAMMHz/BIC_SAMACTMHz columns for SA Media.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Running turbostat on a 16 socket HPE Scale-up Compute 3200 (SapphireRapids) fails with:
turbostat: /sys/devices/system/cpu/intel_uncore_frequency/package_010_die_00/current_freq_khz: open failed: No such file or directory
We observe the sysfs uncore frequency directories named:
...
package_09_die_00/
package_10_die_00/
package_11_die_00/
...
package_15_die_00/
The culprit is an incorrect sprintf format string "package_0%d_die_0%d" used
with each instance of reading uncore frequency files. uncore-frequency-common.c
creates the sysfs directory with the format "package_%02d_die_%02d". Once the
package value reaches double digits, the formats diverge.
Change each instance of "package_0%d_die_0%d" to "package_%02d_die_%02d".
[lenb: deleted the probe part of this patch, as it was already fixed]
Signed-off-by: Justin Ernst <justin.ernst@hpe.com>
Reviewed-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
Graphics sysfs snapshots share similar logic.
Combine them into one function to avoid code duplication.
No functional change.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Graphics drivers (i915/Xe) have different sysfs knobs on different
platforms, and it is possible that different sysfs knobs fit into the
same turbostat columns.
Instead of specifying different sysfs knobs every time, detect them
once and cache the path for future use.
No functional change.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Some of the future Intel platforms will require reading the RAPL
counters via perf and not MSR. On current platforms we can still read
them using both ways.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
check_timer_distribution() runs ten threads in a busy loop and tries to
test that the kernel distributes a process posix CPU timer signal to every
thread over time.
There is not guarantee that this is true even after commit bcb7ee79029d
("posix-timers: Prefer delivery of signals to the current thread") because
that commit only avoids waking up the sleeping process leader thread, but
that has nothing to do with the actual signal delivery.
As the signal is process wide the first thread which observes sigpending
and wins the race to lock sighand will deliver the signal. Testing shows
that this hangs on a regular base because some threads never win the race.
The comment "This primarily tests that the kernel does not favour any one."
is wrong. The kernel does favour a thread which hits the timer interrupt
when CLOCK_PROCESS_CPUTIME_ID expires.
Rewrite the test so it only checks that the group leader sleeping in join()
never receives SIGALRM and the thread which burns CPU cycles receives all
signals.
In older kernels which do not have commit bcb7ee79029d ("posix-timers:
Prefer delivery of signals to the current thread") the test-case fails
immediately, the very 1st tick wakes the leader up. Otherwise it quickly
succeeds after 100 ticks.
CI testing wants to use newer selftest versions on stable kernels. In this
case the test is guaranteed to fail.
So check in the failure case whether the kernel version is less than v6.3
and skip the test result in that case.
[ tglx: Massaged change log, renamed the version check helper ]
Fixes: e797203fb3ba ("selftests/timers/posix_timers: Test delivery of signals across threads")
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240409133802.GD29396@redhat.com
commit 849c1816436f ("KVM: selftests: fix supported_flags for aarch64")
fixed the set-memory-region test for aarch64 by declaring the read-only
flag is supported. riscv also supports the read-only flag. Fix it too.
Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20240403123300.63923-2-ajones@ventanamicro.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
max_guest_memory_test uses ucalls to sync with the host, but
it also resets the guest RIP back to its initial value in between
tests stages.
This makes the guest never reach the code which frees the ucall struct
and since a fixed pool of 512 ucall structs is used, the test starts
to fail when more that 256 vCPUs are used.
Fix that by replacing the manual register reset with a loop in
the guest code.
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Link: https://lore.kernel.org/r/20240315143507.102629-1-mlevitsk@redhat.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Add a guest assert in the PMU counters test to verify that KVM stuffs
the vCPU's post-RESET value to globally enable all general purpose
counters. Per Intel's SDM,
IA32_PERF_GLOBAL_CTRL: Sets bits n-1:0 and clears the upper bits.
and
Where "n" is the number of general-purpose counters available in
the processor.
For the edge case where there are zero GP counters, follow the spirit
of the architecture, not the SDM's literal wording, which doesn't account
for this possibility and would require the CPU to set _all_ bits in
PERF_GLOBAL_CTRL.
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Tested-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Link: https://lore.kernel.org/r/20240309013641.1413400-3-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
* add stubs to functions that calls to them were recently added to memblock
but they were missing in tests
* update gfp_types.h to include bits.h so that BIT() definitions won't
depend on other includes
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Merge tag 'fixes-2024-04-08' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fixes from Mike Rapoport:
"Fix build errors in memblock tests:
- add stubs to functions that calls to them were recently added to
memblock but they were missing in tests
- update gfp_types.h to include bits.h so that BIT() definitions
won't depend on other includes"
* tag 'fixes-2024-04-08' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock tests: fix undefined reference to `BIT'
memblock tests: fix undefined reference to `panic'
memblock tests: fix undefined reference to `early_pfn_to_nid'
The driver stores access_coordinate for host bridge in ->hb_coord and
switch CDAT access_coordinate in ->sw_coord. Since neither of these
access_coordinate clobber each other, the variable name can be consolidated
into ->coord to simplify the code.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Link: https://lore.kernel.org/r/20240403154844.3403859-5-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
There are a couple of fixups for this cycle's vmalloc changes and one for
the stackdepot changes. And a fix for a very old x86 PAT issue which can
cause a warning splat.
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Merge tag 'mm-hotfixes-stable-2024-04-05-11-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"8 hotfixes, 3 are cc:stable
There are a couple of fixups for this cycle's vmalloc changes and one
for the stackdepot changes. And a fix for a very old x86 PAT issue
which can cause a warning splat"
* tag 'mm-hotfixes-stable-2024-04-05-11-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
stackdepot: rename pool_index to pool_index_plus_1
x86/mm/pat: fix VM_PAT handling in COW mappings
MAINTAINERS: change vmware.com addresses to broadcom.com
selftests/mm: include strings.h for ffsl
mm: vmalloc: fix lockdep warning
mm: vmalloc: bail out early in find_vmap_area() if vmap is not init
init: open output files from cpio unpacking with O_LARGEFILE
mm/secretmem: fix GUP-fast succeeding on secretmem folios
Fairly usual collection of driver and core fixes. The large selftest
accompanying one of the fixes is also becoming a common occurrence.
Current release - regressions:
- ipv6: fix infinite recursion in fib6_dump_done()
- net/rds: fix possible null-deref in newly added error path
Current release - new code bugs:
- net: do not consume a full cacheline for system_page_pool
- bpf: fix bpf_arena-related file descriptor leaks in the verifier
- drv: ice: fix freeing uninitialized pointers, fixing misuse of
the newfangled __free() auto-cleanup
Previous releases - regressions:
- x86/bpf: fixes the BPF JIT with retbleed=stuff
- xen-netfront: add missing skb_mark_for_recycle, fix page pool
accounting leaks, revealed by recently added explicit warning
- tcp: fix bind() regression for v6-only wildcard and v4-mapped-v6
non-wildcard addresses
- Bluetooth:
- replace "hci_qca: Set BDA quirk bit if fwnode exists in DT"
with better workarounds to un-break some buggy Qualcomm devices
- set conn encrypted before conn establishes, fix re-connecting
to some headsets which use slightly unusual sequence of msgs
- mptcp:
- prevent BPF accessing lowat from a subflow socket
- don't account accept() of non-MPC client as fallback to TCP
- drv: mana: fix Rx DMA datasize and skb_over_panic
- drv: i40e: fix VF MAC filter removal
Previous releases - always broken:
- gro: various fixes related to UDP tunnels - netns crossing problems,
incorrect checksum conversions, and incorrect packet transformations
which may lead to panics
- bpf: support deferring bpf_link dealloc to after RCU grace period
- nf_tables:
- release batch on table validation from abort path
- release mutex after nft_gc_seq_end from abort path
- flush pending destroy work before exit_net release
- drv: r8169: skip DASH fw status checks when DASH is disabled
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter, bluetooth and bpf.
Fairly usual collection of driver and core fixes. The large selftest
accompanying one of the fixes is also becoming a common occurrence.
Current release - regressions:
- ipv6: fix infinite recursion in fib6_dump_done()
- net/rds: fix possible null-deref in newly added error path
Current release - new code bugs:
- net: do not consume a full cacheline for system_page_pool
- bpf: fix bpf_arena-related file descriptor leaks in the verifier
- drv: ice: fix freeing uninitialized pointers, fixing misuse of the
newfangled __free() auto-cleanup
Previous releases - regressions:
- x86/bpf: fixes the BPF JIT with retbleed=stuff
- xen-netfront: add missing skb_mark_for_recycle, fix page pool
accounting leaks, revealed by recently added explicit warning
- tcp: fix bind() regression for v6-only wildcard and v4-mapped-v6
non-wildcard addresses
- Bluetooth:
- replace "hci_qca: Set BDA quirk bit if fwnode exists in DT" with
better workarounds to un-break some buggy Qualcomm devices
- set conn encrypted before conn establishes, fix re-connecting to
some headsets which use slightly unusual sequence of msgs
- mptcp:
- prevent BPF accessing lowat from a subflow socket
- don't account accept() of non-MPC client as fallback to TCP
- drv: mana: fix Rx DMA datasize and skb_over_panic
- drv: i40e: fix VF MAC filter removal
Previous releases - always broken:
- gro: various fixes related to UDP tunnels - netns crossing
problems, incorrect checksum conversions, and incorrect packet
transformations which may lead to panics
- bpf: support deferring bpf_link dealloc to after RCU grace period
- nf_tables:
- release batch on table validation from abort path
- release mutex after nft_gc_seq_end from abort path
- flush pending destroy work before exit_net release
- drv: r8169: skip DASH fw status checks when DASH is disabled"
* tag 'net-6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (81 commits)
netfilter: validate user input for expected length
net/sched: act_skbmod: prevent kernel-infoleak
net: usb: ax88179_178a: avoid the interface always configured as random address
net: dsa: sja1105: Fix parameters order in sja1110_pcs_mdio_write_c45()
net: ravb: Always update error counters
net: ravb: Always process TX descriptor ring
netfilter: nf_tables: discard table flag update with pending basechain deletion
netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get()
netfilter: nf_tables: reject new basechain after table flag update
netfilter: nf_tables: flush pending destroy work before exit_net release
netfilter: nf_tables: release mutex after nft_gc_seq_end from abort path
netfilter: nf_tables: release batch on table validation from abort path
Revert "tg3: Remove residual error handling in tg3_suspend"
tg3: Remove residual error handling in tg3_suspend
net: mana: Fix Rx DMA datasize and skb_over_panic
net/sched: fix lockdep splat in qdisc_tree_reduce_backlog()
net: phy: micrel: lan8814: Fix when enabling/disabling 1-step timestamping
net: stmmac: fix rx queue priority assignment
net: txgbe: fix i2c dev name cannot match clkdev
net: fec: Set mac_managed_pm during probe
...
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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 2024-04-04
We've added 7 non-merge commits during the last 5 day(s) which contain
a total of 9 files changed, 75 insertions(+), 24 deletions(-).
The main changes are:
1) Fix x86 BPF JIT under retbleed=stuff which causes kernel panics due to
incorrect destination IP calculation and incorrect IP for relocations,
from Uros Bizjak and Joan Bruguera Micó.
2) Fix BPF arena file descriptor leaks in the verifier,
from Anton Protopopov.
3) Defer bpf_link deallocation to after RCU grace period as currently
running multi-{kprobes,uprobes} programs might still access cookie
information from the link, from Andrii Nakryiko.
4) Fix a BPF sockmap lock inversion deadlock in map_delete_elem reported
by syzkaller, from Jakub Sitnicki.
5) Fix resolve_btfids build with musl libc due to missing linux/types.h
include, from Natanael Copa.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf, sockmap: Prevent lock inversion deadlock in map delete elem
x86/bpf: Fix IP for relocating call depth accounting
x86/bpf: Fix IP after emitting call depth accounting
bpf: fix possible file descriptor leaks in verifier
tools/resolve_btfids: fix build with musl libc
bpf: support deferring bpf_link dealloc to after RCU grace period
bpf: put uprobe link's path and task in release callback
====================
Link: https://lore.kernel.org/r/20240404183258.4401-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch addresses an issue in the selftests/harness where an
assertion within FIXTURE_TEARDOWN could trigger an infinite loop.
The problem arises because the teardown procedure is meant to
execute once, but the presence of failing assertions (ASSERT_EQ(0, 1))
leads to repeated attempts to execute teardown due to
the long jump mechanism used by the harness for handling assertions.
To resolve this, the patch ensures that the teardown process
runs only once, regardless of assertion outcomes, preventing
the infinite loop and allowing tests to fail.
A simple test demo(test.c):
#include "kselftest_harness.h"
FIXTURE(f)
{
int fd;
};
FIXTURE_SETUP(f)
{
self->fd = 0;
}
FIXTURE_TEARDOWN(f)
{
TH_LOG("TEARDOWN");
ASSERT_EQ(0, 1);
self->fd = -1;
}
TEST_F(f, open_close)
{
ASSERT_NE(self->fd, 1);
}
TEST_HARNESS_MAIN
will always output the following output due to a dead loop until timeout:
# test.c:15:open_close:TEARDOWN
# test.c:16:open_close:Expected 0 (0) == 1 (1)
# test.c:15:open_close:TEARDOWN
# test.c:16:open_close:Expected 0 (0) == 1 (1)
...
But here's what we should and expect to get:
TAP version 13
1..1
# Starting 1 tests from 2 test cases.
# RUN f.open_close ...
# test.c:15:open_close:TEARDOWN
# test.c:16:open_close:Expected 0 (0) == 1 (1)
# open_close: Test terminated by assertion
# FAIL f.open_close
not ok 1 f.open_close
# FAILED: 0 / 1 tests passed.
# Totals: pass:0 fail:1 xfail:0 xpass:0 skip:0 error:0
also this is related to the issue mentioned in this patch
https://patchwork.kernel.org/project/linux-kselftest/patch/e2ba3f8c-80e6-477d-9cea-1c9af820e0ed@alu.unizg.hr/
Signed-off-by: Shengyu Li <shengyu.li.evgeny@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
While sched* events being traced and sched* events continuously happen,
"[xx] event tracing - enable/disable with subsystem level files" would
not stop as on some slower systems it seems to take forever.
Select the first 100 lines of output would be enough to judge whether
there are more than 3 types of sched events.
Fixes: 815b18ea66d6 ("ftracetest: Add basic event tracing test cases")
Cc: stable@vger.kernel.org
Signed-off-by: Yuanhe Shu <xiangzao@linux.alibaba.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
commit e96c6b8f212a ("memblock: report failures when memblock_can_resize
is not set") introduced the usage of panic, which is not defined in
memblock test.
Let's define it directly in panic.h to fix it.
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
CC: Song Shuai <songshuaishuai@tinylab.org>
CC: Mike Rapoport <rppt@kernel.org>
Link: https://lore.kernel.org/r/20240402132701.29744-3-richard.weiyang@gmail.com
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
commit 6a9531c3a880 ("memblock: fix crash when reserved memory is not
added to memory") introduce the usage of early_pfn_to_nid, which is not
defined in memblock tests.
The original definition of early_pfn_to_nid is defined in mm.h, so let
add this in the corresponding mm.h.
Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
CC: Yajun Deng <yajun.deng@linux.dev>
CC: Mike Rapoport <rppt@kernel.org>
Link: https://lore.kernel.org/r/20240402132701.29744-2-richard.weiyang@gmail.com
Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
- Ensure perf events programmed to count during guest execution
are actually enabled before entering the guest in the nVHE
configuration.
- Restore out-of-range handler for stage-2 translation faults.
- Several fixes to stage-2 TLB invalidations to avoid stale
translations, possibly including partial walk caches.
- Fix early handling of architectural VHE-only systems to ensure E2H is
appropriately set.
- Correct a format specifier warning in the arch_timer selftest.
- Make the KVM banner message correctly handle all of the possible
configurations.
RISC-V:
- Remove redundant semicolon in num_isa_ext_regs().
- Fix APLIC setipnum_le/be write emulation.
- Fix APLIC in_clrip[x] read emulation.
x86:
- Fix a bug in KVM_SET_CPUID{2,} where KVM looks at the wrong CPUID entries (old
vs. new) and ultimately neglects to clear PV_UNHALT from vCPUs with HLT-exiting
disabled.
- Documentation fixes for SEV.
- Fix compat ABI for KVM_MEMORY_ENCRYPT_OP.
- Fix a 14-year-old goof in a declaration shared by host and guest; the enabled
field used by Linux when running as a guest pushes the size of "struct
kvm_vcpu_pv_apf_data" from 64 to 68 bytes. This is really unconsequential
because KVM never consumes anything beyond the first 64 bytes, but the
resulting struct does not match the documentation.
Selftests:
- Fix spelling mistake in arch_timer selftest.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"ARM:
- Ensure perf events programmed to count during guest execution are
actually enabled before entering the guest in the nVHE
configuration
- Restore out-of-range handler for stage-2 translation faults
- Several fixes to stage-2 TLB invalidations to avoid stale
translations, possibly including partial walk caches
- Fix early handling of architectural VHE-only systems to ensure E2H
is appropriately set
- Correct a format specifier warning in the arch_timer selftest
- Make the KVM banner message correctly handle all of the possible
configurations
RISC-V:
- Remove redundant semicolon in num_isa_ext_regs()
- Fix APLIC setipnum_le/be write emulation
- Fix APLIC in_clrip[x] read emulation
x86:
- Fix a bug in KVM_SET_CPUID{2,} where KVM looks at the wrong CPUID
entries (old vs. new) and ultimately neglects to clear PV_UNHALT
from vCPUs with HLT-exiting disabled
- Documentation fixes for SEV
- Fix compat ABI for KVM_MEMORY_ENCRYPT_OP
- Fix a 14-year-old goof in a declaration shared by host and guest;
the enabled field used by Linux when running as a guest pushes the
size of "struct kvm_vcpu_pv_apf_data" from 64 to 68 bytes. This is
really unconsequential because KVM never consumes anything beyond
the first 64 bytes, but the resulting struct does not match the
documentation
Selftests:
- Fix spelling mistake in arch_timer selftest"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (25 commits)
KVM: arm64: Rationalise KVM banner output
arm64: Fix early handling of FEAT_E2H0 not being implemented
KVM: arm64: Ensure target address is granule-aligned for range TLBI
KVM: arm64: Use TLBI_TTL_UNKNOWN in __kvm_tlb_flush_vmid_range()
KVM: arm64: Don't pass a TLBI level hint when zapping table entries
KVM: arm64: Don't defer TLB invalidation when zapping table entries
KVM: selftests: Fix __GUEST_ASSERT() format warnings in ARM's arch timer test
KVM: arm64: Fix out-of-IPA space translation fault handling
KVM: arm64: Fix host-programmed guest events in nVHE
RISC-V: KVM: Fix APLIC in_clrip[x] read emulation
RISC-V: KVM: Fix APLIC setipnum_le/be write emulation
RISC-V: KVM: Remove second semicolon
KVM: selftests: Fix spelling mistake "trigged" -> "triggered"
Documentation: kvm/sev: clarify usage of KVM_MEMORY_ENCRYPT_OP
Documentation: kvm/sev: separate description of firmware
KVM: SEV: fix compat ABI for KVM_MEMORY_ENCRYPT_OP
KVM: selftests: Check that PV_UNHALT is cleared when HLT exiting is disabled
KVM: x86: Use actual kvm_cpuid.base for clearing KVM_FEATURE_PV_UNHALT
KVM: x86: Introduce __kvm_get_hypervisor_cpuid() helper
KVM: SVM: Return -EINVAL instead of -EBUSY on attempt to re-init SEV/SEV-ES
...
If user request --no-msr or is not able to access the MSRs,
turbostat should clear all the counters added with --add.
Because MSR access permission checks are done after the cmdline is
parsed, the decision has to be defered up until the transition into
no-msr mode happen.
Signed-off-by: Len Brown <len.brown@intel.com>
Checking early if the permissions are even needed gets rid of the
warnings about some of them missing. Earlier we issued a warning in case
of missing MSR and/or perf permissions, even when user never asked for
counters that require those.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
To allow unprivileged user to run turbostat seamlessly.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
By using the perf API we spend less time in between the reads of the
counters, resulting in more accurate calculations of the dependent
metrics.
Using perf API is also usually faster overall, although cache miss, if
we get one, is more costly when using perf vs MSR driver.
We would fallback to the msr reads if the sysfs isn't there or when in
--no-perf mode.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Add the --no-perf option to allow users to run turbostat without
accessing perf.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Add --no-msr option to allow users to run turbostat without
accessing MSRs via the MSR driver.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Eliminate redundant debug output for core and package scope counters.
Include name and path for all "ADDED" counters.
Signed-off-by: Len Brown <len.brown@intel.com>
Previously a failed read of /dev/cpu_dma_latency erroneously complained
turbostat: capget(CAP_SYS_ADMIN) failed, try "# setcap cap_sys_admin=ep ./turbostat
This went unnoticed because this file is typically visible to root,
and turbostat was typically run as root.
Going forward, when a non-root user can run turbostat...
Complain about failed read access to this file only if --debug is used.
Signed-off-by: Len Brown <len.brown@intel.com>
If MSRs cannot be read, values can be obtained from cpuid.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
- Ensure perf events programmed to count during guest execution
are actually enabled before entering the guest in the nVHE
configuration.
- Restore out-of-range handler for stage-2 translation faults.
- Several fixes to stage-2 TLB invalidations to avoid stale
translations, possibly including partial walk caches.
- Fix early handling of architectural VHE-only systems to ensure E2H is
appropriately set.
- Correct a format specifier warning in the arch_timer selftest.
- Make the KVM banner message correctly handle all of the possible
configurations.
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Merge tag 'kvmarm-fixes-6.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.9, part #1
- Ensure perf events programmed to count during guest execution
are actually enabled before entering the guest in the nVHE
configuration.
- Restore out-of-range handler for stage-2 translation faults.
- Several fixes to stage-2 TLB invalidations to avoid stale
translations, possibly including partial walk caches.
- Fix early handling of architectural VHE-only systems to ensure E2H is
appropriately set.
- Correct a format specifier warning in the arch_timer selftest.
- Make the KVM banner message correctly handle all of the possible
configurations.
There's a bug in pm_nl_check_endpoint(), 'dev' didn't be parsed correctly.
If calling it in the 2nd test of endpoint_tests() too, it fails with an
error like this:
creation [FAIL] expected '10.0.2.2 id 2 subflow dev dev' \
found '10.0.2.2 id 2 subflow dev ns2eth2'
The reason is '$2' should be set to 'dev', not '$1'. This patch fixes it.
Fixes: 69c6ce7b6eca ("selftests: mptcp: add implicit endpoint test case")
Cc: stable@vger.kernel.org
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://lore.kernel.org/r/20240329-upstream-net-20240329-fallback-mib-v1-2-324a8981da48@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current MPTCP servers increment MPTcpExtMPCapableFallbackACK when they
accept non-MPC connections. As reported by Christoph, this is "surprising"
because the counter might become greater than MPTcpExtMPCapableSYNRX.
MPTcpExtMPCapableFallbackACK counter's name suggests it should only be
incremented when a connection was seen using MPTCP options, then a
fallback to TCP has been done. Let's do that by incrementing it when
the subflow context of an inbound MPC connection attempt is dropped.
Also, update mptcp_connect.sh kselftest, to ensure that the
above MIB does not increment in case a pure TCP client connects to a
MPTCP server.
Fixes: fc518953bc9c ("mptcp: add and use MIB counter infrastructure")
Cc: stable@vger.kernel.org
Reported-by: Christoph Paasch <cpaasch@apple.com>
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/449
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://lore.kernel.org/r/20240329-upstream-net-20240329-fallback-mib-v1-1-324a8981da48@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The netdev CI runs in a VM and captures serial, so stdout and
stderr get combined. Because there's a missing new line in
stderr the test ends up corrupting KTAP:
# Successok 1 selftests: net: reuseaddr_conflict
which should have been:
# Success
ok 1 selftests: net: reuseaddr_conflict
Fixes: 422d8dc6fd3a ("selftest: add a reuseaddr test")
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20240329160559.249476-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When compiling the v6.9-rc1 kernel with the x32 compiler, the following
errors are reported. The reason is that we take an "unsigned long"
variable and print it using "PRIx64" format string.
In file included from check.c:16:
check.c: In function ‘add_dead_ends’:
/usr/src/git/linux-2.6/tools/objtool/include/objtool/warn.h:46:17: error: format ‘%llx’ expects argument of type ‘long long unsigned int’, but argument 5 has type ‘long unsigned int’ [-Werror=format=]
46 | "%s: warning: objtool: " format "\n", \
| ^~~~~~~~~~~~~~~~~~~~~~~~
check.c:613:33: note: in expansion of macro ‘WARN’
613 | WARN("can't find unreachable insn at %s+0x%" PRIx64,
| ^~~~
...
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: linux-kernel@vger.kernel.org
This kselftest fixes update for Linux 6.9-rc2 consists of fixes
to seccomp and ftrace tests and a change to add config file for
dmabuf-heap test to increase coverage.
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Merge tag 'linux_kselftest-fixes-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
"Fixes to seccomp and ftrace tests and a change to add config file for
dmabuf-heap test to increase coverage"
* tag 'linux_kselftest-fixes-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: dmabuf-heap: add config file for the test
selftests/seccomp: Try to fit runtime of benchmark into timeout
selftests/ftrace: Fix event filter target_func selection
