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As a preparation to handle enums for scalar values, unify the processing
of all scalar types in a single elif statement.
Signed-off-by: Jiri Pirko <[email protected]>
Reviewed-by: Donald Hunter <[email protected]>
Reviewed-by: Jacob Keller <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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The flag attr presence in Netlink message indicates value "true",
if it is missing in the message it means "false".
Allow user to specify attrname with value "true"/"false"
in json for flag attrs, treat "false" value properly.
Signed-off-by: Jiri Pirko <[email protected]>
Reviewed-by: Donald Hunter <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Add tests for both L2 and L3 CAT to verify the return values
generated by writing non-contiguous CBMs don't contradict the
reported non-contiguous support information.
Use a logical XOR to confirm return value of write_schemata() and
non-contiguous CBMs support information match.
Signed-off-by: Maciej Wieczor-Retman <[email protected]>
Reviewed-by: Reinette Chatre <[email protected]>
Reviewed-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Feature checking done by resctrl_mon_feature_exists() covers features
represented by the feature name presence inside the 'mon_features' file
in /sys/fs/resctrl/info/L3_MON directory. There exists a different way
to represent feature support and that is by the presence of 0 or 1 in a
single file in the info/resource directory. In this case the filename
represents what feature support is being indicated.
Add a generic function to check file presence in the
/sys/fs/resctrl/info/<RESOURCE> directory.
Signed-off-by: Maciej Wieczor-Retman <[email protected]>
Reviewed-by: Ilpo Järvinen <[email protected]>
Reviewed-by: Reinette Chatre <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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validate_resctrl_feature_request() is used to test both if a resource is
present in the info directory, and if a passed monitoring feature is
present in the mon_features file.
Refactor validate_resctrl_feature_request() into two smaller functions
that each accomplish one check to give feature checking more
granularity:
- Resource directory presence in the /sys/fs/resctrl/info directory.
- Feature name presence in the /sys/fs/resctrl/info/<RESOURCE>/mon_features
file.
Signed-off-by: Maciej Wieczor-Retman <[email protected]>
Reviewed-by: Ilpo Järvinen <[email protected]>
Reviewed-by: Reinette Chatre <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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The CAT non-contiguous selftests have to read the file responsible for
reporting support of non-contiguous CBMs in kernel (resctrl). Then the
test compares if that information matches what is reported by CPUID
output.
Add a generic helper function to read an unsigned number from
/sys/fs/resctrl/info/<RESOURCE>/<FILE>.
Signed-off-by: Maciej Wieczor-Retman <[email protected]>
Reviewed-by: Ilpo Järvinen <[email protected]>
Reviewed-by: Reinette Chatre <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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To select test to run -t parameter can be used. However, -t cat
currently maps to L3 CAT test which will be confusing after more CAT
related tests will be added.
Allow selecting tests as groups and call L3 CAT test "L3_CAT", "CAT"
group will enable all CAT related tests.
Signed-off-by: Ilpo Järvinen <[email protected]>
Signed-off-by: Maciej Wieczor-Retman <[email protected]>
Reviewed-by: Reinette Chatre <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"A batch of MM (and one non-MM) hotfixes.
Ten are cc:stable and the remainder address post-6.7 issues or aren't
considered appropriate for backporting"
* tag 'mm-hotfixes-stable-2024-02-22-15-02' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
kasan: guard release_free_meta() shadow access with kasan_arch_is_ready()
mm/damon/lru_sort: fix quota status loss due to online tunings
mm/damon/reclaim: fix quota stauts loss due to online tunings
MAINTAINERS: mailmap: update Shakeel's email address
mm/damon/sysfs-schemes: handle schemes sysfs dir removal before commit_schemes_quota_goals
mm: memcontrol: clarify swapaccount=0 deprecation warning
mm/memblock: add MEMBLOCK_RSRV_NOINIT into flagname[] array
mm/zswap: invalidate duplicate entry when !zswap_enabled
lib/Kconfig.debug: TEST_IOV_ITER depends on MMU
mm/swap: fix race when skipping swapcache
mm/swap_state: update zswap LRU's protection range with the folio locked
selftests/mm: uffd-unit-test check if huge page size is 0
mm/damon/core: check apply interval in damon_do_apply_schemes()
mm: zswap: fix missing folio cleanup in writeback race path
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Extend set_memory_region_test's invalid flags subtest to verify that
GUEST_MEMFD is incompatible with READONLY. GUEST_MEMFD doesn't currently
support writes from userspace and KVM doesn't support emulated MMIO on
private accesses, and so KVM is supposed to reject the GUEST_MEMFD+READONLY
in order to avoid configuration that KVM can't support.
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Sean Christopherson <[email protected]>
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Actually create a GUEST_MEMFD instance and pass it to KVM when doing
negative tests for KVM_SET_USER_MEMORY_REGION2 + KVM_MEM_GUEST_MEMFD.
Without a valid GUEST_MEMFD file descriptor, KVM_SET_USER_MEMORY_REGION2
will always fail with -EINVAL, resulting in false passes for any and all
tests of illegal combinations of KVM_MEM_GUEST_MEMFD and other flags.
Fixes: 5d74316466f4 ("KVM: selftests: Add a memory region subtest to validate invalid flags")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Sean Christopherson <[email protected]>
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Cross-merge networking fixes after downstream PR.
Conflicts:
net/ipv4/udp.c
f796feabb9f5 ("udp: add local "peek offset enabled" flag")
56667da7399e ("net: implement lockless setsockopt(SO_PEEK_OFF)")
Adjacent changes:
net/unix/garbage.c
aa82ac51d633 ("af_unix: Drop oob_skb ref before purging queue in GC.")
11498715f266 ("af_unix: Remove io_uring code for GC.")
Signed-off-by: Jakub Kicinski <[email protected]>
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Ensure struct_ops rejects the registration of struct_ops types without
proper CFI stub functions.
bpf_test_no_cfi.ko is a module that attempts to register a struct_ops type
called "bpf_test_no_cfi_ops" with cfi_stubs of NULL and non-NULL value.
The NULL one should fail, and the non-NULL one should succeed. The module
can only be loaded successfully if these registrations yield the expected
results.
Signed-off-by: Kui-Feng Lee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin KaFai Lau <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd fixes from Jason Gunthorpe:
- Fix dirty tracking bitmap collection when using reporting bitmaps
that are not neatly aligned to u64's or match the IO page table radix
tree layout.
- Add self tests to cover the cases that were found to be broken.
- Add missing enforcement of invalidation type in the uapi.
- Fix selftest config generation
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
selftests/iommu: fix the config fragment
iommufd: Reject non-zero data_type if no data_len is provided
iommufd/iova_bitmap: Consider page offset for the pages to be pinned
iommufd/selftest: Add mock IO hugepages tests
iommufd/selftest: Hugepage mock domain support
iommufd/selftest: Refactor mock_domain_read_and_clear_dirty()
iommufd/selftest: Refactor dirty bitmap tests
iommufd/iova_bitmap: Handle recording beyond the mapped pages
iommufd/selftest: Test u64 unaligned bitmaps
iommufd/iova_bitmap: Switch iova_bitmap::bitmap to an u8 array
iommufd/iova_bitmap: Bounds check mapped::pages access
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In function get_pkg_num() if fopen_or_die() succeeds it returns a file
pointer to be used. But fclose() is never called before returning from
the function.
Signed-off-by: Samasth Norway Ananda <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
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The batch lookup and lookup_and_delete APIs have two parameters,
in_batch and out_batch, to facilitate iterative
lookup/lookup_and_deletion operations for supported maps. Except NULL
for in_batch at the start of these two batch operations, both parameters
need to point to memory equal or larger than the respective map key
size, except for various hashmaps (hash, percpu_hash, lru_hash,
lru_percpu_hash) where the in_batch/out_batch memory size should be
at least 4 bytes.
Document these semantics to clarify the API.
Signed-off-by: Martin Kelly <[email protected]>
Acked-by: Yonghong Song <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Martin KaFai Lau <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bpf and netfilter.
Current release - regressions:
- af_unix: fix another unix GC hangup
Previous releases - regressions:
- core: fix a possible AF_UNIX deadlock
- bpf: fix NULL pointer dereference in sk_psock_verdict_data_ready()
- netfilter: nft_flow_offload: release dst in case direct xmit path
is used
- bridge: switchdev: ensure MDB events are delivered exactly once
- l2tp: pass correct message length to ip6_append_data
- dccp/tcp: unhash sk from ehash for tb2 alloc failure after
check_estalblished()
- tls: fixes for record type handling with PEEK
- devlink: fix possible use-after-free and memory leaks in
devlink_init()
Previous releases - always broken:
- bpf: fix an oops when attempting to read the vsyscall page through
bpf_probe_read_kernel
- sched: act_mirred: use the backlog for mirred ingress
- netfilter: nft_flow_offload: fix dst refcount underflow
- ipv6: sr: fix possible use-after-free and null-ptr-deref
- mptcp: fix several data races
- phonet: take correct lock to peek at the RX queue
Misc:
- handful of fixes and reliability improvements for selftests"
* tag 'net-6.8.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (72 commits)
l2tp: pass correct message length to ip6_append_data
net: phy: realtek: Fix rtl8211f_config_init() for RTL8211F(D)(I)-VD-CG PHY
selftests: ioam: refactoring to align with the fix
Fix write to cloned skb in ipv6_hop_ioam()
phonet/pep: fix racy skb_queue_empty() use
phonet: take correct lock to peek at the RX queue
net: sparx5: Add spinlock for frame transmission from CPU
net/sched: flower: Add lock protection when remove filter handle
devlink: fix port dump cmd type
net: stmmac: Fix EST offset for dwmac 5.10
tools: ynl: don't leak mcast_groups on init error
tools: ynl: make sure we always pass yarg to mnl_cb_run
net: mctp: put sock on tag allocation failure
netfilter: nf_tables: use kzalloc for hook allocation
netfilter: nf_tables: register hooks last when adding new chain/flowtable
netfilter: nft_flow_offload: release dst in case direct xmit path is used
netfilter: nft_flow_offload: reset dst in route object after setting up flow
netfilter: nf_tables: set dormant flag on hook register failure
selftests: tls: add test for peeking past a record of a different type
selftests: tls: add test for merging of same-type control messages
...
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This commit updates tcp_custom_syncookie.c:tcp_parse_option() to use
explicit packet offset (ctx->off) for packet access instead of ever
moving pointer (ctx->ptr), this reduces verification complexity:
- the tcp_parse_option() is passed as a callback to bpf_loop();
- suppose a checkpoint is created each time at function entry;
- the ctx->ptr is tracked by verifier as PTR_TO_PACKET;
- the ctx->ptr is incremented in tcp_parse_option(),
thus umax_value field tracked for it is incremented as well;
- on each next iteration of tcp_parse_option()
checkpoint from a previous iteration can't be reused
for state pruning, because PTR_TO_PACKET registers are
considered equivalent only if old->umax_value >= cur->umax_value;
- on the other hand, the ctx->off is a SCALAR,
subject to widen_imprecise_scalars();
- it's exact bounds are eventually forgotten and it is tracked as
unknown scalar at entry to tcp_parse_option();
- hence checkpoints created at the start of the function eventually
converge.
The change is similar to one applied in [0] to xdp_synproxy_kern.c.
Comparing before and after with veristat yields following results:
File Insns (A) Insns (B) Insns (DIFF)
------------------------------- --------- --------- -----------------
test_tcp_custom_syncookie.bpf.o 466657 12423 -454234 (-97.34%)
[0] commit 977bc146d4eb ("selftests/bpf: track tcp payload offset as scalar in xdp_synproxy")
Acked-by: Yonghong Song <[email protected]>
Signed-off-by: Eduard Zingerman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexei Starovoitov <[email protected]>
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There is a selftest that checks for an (expected) error when an
invalid AR is specified, but not one that exercises the AR path.
Add a simple test that mirrors the vanilla write/read test while
providing an AR. An AR that contains zero will direct the CPU to
use the primary address space normally used anyway. AR[1] is
selected for this test because the host AR[1] is usually non-zero,
and KVM needs to correctly swap those values.
Reviewed-by: Nina Schoetterl-Glausch <[email protected]>
Acked-by: Christian Borntraeger <[email protected]>
Signed-off-by: Eric Farman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Heiko Carstens <[email protected]>
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The config fragment doesn't follow the correct format to enable those
config options which make the config options getting missed while
merging with other configs.
➜ merge_config.sh -m .config tools/testing/selftests/iommu/config
Using .config as base
Merging tools/testing/selftests/iommu/config
➜ make olddefconfig
.config:5295:warning: unexpected data: CONFIG_IOMMUFD
.config:5296:warning: unexpected data: CONFIG_IOMMUFD_TEST
While at it, add CONFIG_FAULT_INJECTION as well which is needed for
CONFIG_IOMMUFD_TEST. If CONFIG_FAULT_INJECTION isn't present in base
config (such as x86 defconfig), CONFIG_IOMMUFD_TEST doesn't get enabled.
Fixes: 57f0988706fe ("iommufd: Add a selftest")
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Muhammad Usama Anjum <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
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When CONFIG_MCTP_FLOWS is enabled, outgoing skbs should have their
SKB_EXT_MCTP extension set for drivers to consume.
Add two tests for local-to-output routing that check for the flow
extensions: one for the simple single-packet case, and one for
fragmentation.
We now make MCTP_TEST select MCTP_FLOWS, so we always get coverage of
these flow tests. The tests are skippable if MCTP_FLOWS is (otherwise)
disabled, but that would need manual config tweaking.
Signed-off-by: Jeremy Kerr <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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No point in checking again as this was already done by the caller.
Signed-off-by: Nikolay Borisov <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Cc: Josh Poimboeuf <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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It's pointless checking if a particular part of an instruction is
decoded before calling the routine responsible for decoding it as this
check is duplicated in the routines itself. Streamline the code by
removing the superfluous checks. No functional difference.
Signed-off-by: Nikolay Borisov <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Cc: Josh Poimboeuf <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2024-02-22
The following pull-request contains BPF updates for your *net* tree.
We've added 11 non-merge commits during the last 24 day(s) which contain
a total of 15 files changed, 217 insertions(+), 17 deletions(-).
The main changes are:
1) Fix a syzkaller-triggered oops when attempting to read the vsyscall
page through bpf_probe_read_kernel and friends, from Hou Tao.
2) Fix a kernel panic due to uninitialized iter position pointer in
bpf_iter_task, from Yafang Shao.
3) Fix a race between bpf_timer_cancel_and_free and bpf_timer_cancel,
from Martin KaFai Lau.
4) Fix a xsk warning in skb_add_rx_frag() (under CONFIG_DEBUG_NET)
due to incorrect truesize accounting, from Sebastian Andrzej Siewior.
5) Fix a NULL pointer dereference in sk_psock_verdict_data_ready,
from Shigeru Yoshida.
6) Fix a resolve_btfids warning when bpf_cpumask symbol cannot be
resolved, from Hari Bathini.
bpf-for-netdev
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf, sockmap: Fix NULL pointer dereference in sk_psock_verdict_data_ready()
selftests/bpf: Add negtive test cases for task iter
bpf: Fix an issue due to uninitialized bpf_iter_task
selftests/bpf: Test racing between bpf_timer_cancel_and_free and bpf_timer_cancel
bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel
selftest/bpf: Test the read of vsyscall page under x86-64
x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault()
x86/mm: Move is_vsyscall_vaddr() into asm/vsyscall.h
bpf, scripts: Correct GPL license name
xsk: Add truesize to skb_add_rx_frag().
bpf: Fix warning for bpf_cpumask in verifier
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
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ioam6_parser uses a packet socket. After the fix to prevent writing to
cloned skb's, the receiver does not see its IOAM data anymore, which
makes input/forward ioam-selftests to fail. As a workaround,
ioam6_parser now uses an IPv6 raw socket and leverages ancillary data to
get hop-by-hop options. As a consequence, the hook is "after" the IOAM
data insertion by the receiver and all tests are working again.
Signed-off-by: Justin Iurman <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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Make sure to free the already-parsed mcast_groups if
we don't get an ack from the kernel when reading family info.
This is part of the ynl_sock_create() error path, so we won't
get a call to ynl_sock_destroy() to free them later.
Fixes: 86878f14d71a ("tools: ynl: user space helpers")
Acked-by: Nicolas Dichtel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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There is one common error handler in ynl - ynl_cb_error().
It expects priv to be a pointer to struct ynl_parse_arg AKA yarg.
To avoid potential crashes if we encounter a stray NLMSG_ERROR
always pass yarg as priv (or a struct which has it as the first
member).
ynl_cb_null() has a similar problem directly - it expects yarg
but priv passed by the caller is ys.
Found by code inspection.
Fixes: 86878f14d71a ("tools: ynl: user space helpers")
Acked-by: Nicolas Dichtel <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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If we queue 3 records:
- record 1, type DATA
- record 2, some other type
- record 3, type DATA
the current code can look past the 2nd record and merge the 2 data
records.
Signed-off-by: Sabrina Dubroca <[email protected]>
Link: https://lore.kernel.org/r/4623550f8617c239581030c13402d3262f2bd14f.1708007371.git.sd@queasysnail.net
Signed-off-by: Jakub Kicinski <[email protected]>
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Two consecutive control messages of the same type should never be
merged into one large received blob of data.
Signed-off-by: Sabrina Dubroca <[email protected]>
Link: https://lore.kernel.org/r/018f1633d5471684c65def5fe390de3b15c3d683.1708007371.git.sd@queasysnail.net
Signed-off-by: Jakub Kicinski <[email protected]>
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The test of linking process creates several intermediate files.
Remove them once the build is over.
This reduces the number of files in selftests/bpf/ directory
from ~4400 to ~2600.
Signed-off-by: Alexei Starovoitov <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.9
The second "new features" pull request for v6.9. Lots of iwlwifi and
stack changes this time. And naturally smaller changes to other drivers.
We also twice merged wireless into wireless-next to avoid conflicts
between the trees.
Major changes:
stack
* mac80211: negotiated TTLM request support
* SPP A-MSDU support
* mac80211: wider bandwidth OFDMA config support
iwlwifi
* kunit tests
* bump FW API to 89 for AX/BZ/SC devices
* enable SPP A-MSDUs
* support for new devices
ath12k
* refactoring in preparation for Multi-Link Operation (MLO) support
* 1024 Block Ack window size support
* provide firmware wmi logs via a trace event
ath11k
* 36 bit DMA mask support
* support 6 GHz station power modes: Low Power Indoor (LPI), Standard
Power) SP and Very Low Power (VLP)
rtl8xxxu
* TP-Link TL-WN823N V2 support
====================
Signed-off-by: David S. Miller <[email protected]>
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On a 8-socket server the TSC is wrongly marked as 'unstable' and disabled
during boot time on about one out of 120 boot attempts:
clocksource: timekeeping watchdog on CPU227: wd-tsc-wd excessive read-back delay of 153560ns vs. limit of 125000ns,
wd-wd read-back delay only 11440ns, attempt 3, marking tsc unstable
tsc: Marking TSC unstable due to clocksource watchdog
TSC found unstable after boot, most likely due to broken BIOS. Use 'tsc=unstable'.
sched_clock: Marking unstable (119294969739, 159204297)<-(125446229205, -5992055152)
clocksource: Checking clocksource tsc synchronization from CPU 319 to CPUs 0,99,136,180,210,542,601,896.
clocksource: Switched to clocksource hpet
The reason is that for platform with a large number of CPUs, there are
sporadic big or huge read latencies while reading the watchog/clocksource
during boot or when system is under stress work load, and the frequency and
maximum value of the latency goes up with the number of online CPUs.
The cCurrent code already has logic to detect and filter such high latency
case by reading the watchdog twice and checking the two deltas. Due to the
randomness of the latency, there is a low probabilty that the first delta
(latency) is big, but the second delta is small and looks valid. The
watchdog code retries the readouts by default twice, which is not
necessarily sufficient for systems with a large number of CPUs.
There is a command line parameter 'max_cswd_read_retries' which allows to
increase the number of retries, but that's not user friendly as it needs to
be tweaked per system. As the number of required retries is proportional to
the number of online CPUs, this parameter can be calculated at runtime.
Scale and enlarge the number of retries according to the number of online
CPUs and remove the command line parameter completely.
[ tglx: Massaged change log and comments ]
Signed-off-by: Feng Tang <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Tested-by: Jin Wang <[email protected]>
Tested-by: Paul E. McKenney <[email protected]>
Reviewed-by: Waiman Long <[email protected]>
Reviewed-by: Paul E. McKenney <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Pick up CXL CPER notification removal for v6.8-rc6, to return in a later
merge window.
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There is a spelling mistake in a printed message. Fix it.
Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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While mq_perf_tests runs with the default kselftest timeout limit, which
is 45 seconds, the test takes about 60 seconds to complete on i3.metal
AWS instances. Hence, the test always times out. Increase the timeout
to 180 seconds.
Fixes: 852c8cbf34d3 ("selftests/kselftest/runner.sh: Add 45 second timeout per test")
Cc: <[email protected]> # 5.4.x
Signed-off-by: SeongJae Park <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Add a test to exercize cpu hotplug with the function tracer active to
ensure that sensitive functions in idle path are excluded from being
traced. This helps catch issues such as the one fixed by commit
4b3338aaa74d ("powerpc/ftrace: Fix stack teardown in ftrace_no_trace").
Signed-off-by: Naveen N Rao <[email protected]>
Acked-by: Masami Hiramatsu (Google) <[email protected]>
Acked-by: Steven Rostedt (Google) <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Resolves a spelling error in the test log, preventing potential
confusion.
Signed-off-by: Vincenzo Mezzela <[email protected]>
Acked-by: Steven Rostedt (Google) <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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The 'workload_hint_test' test generates an object with the same name,
but there is no .gitignore file in the directory to add the object as
stated in the selftest documentation.
Add the missing .gitignore file and include 'workload_hint_test'.
Signed-off-by: Javier Carrasco <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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The 'power_floor' test generates an object with the same name,
but there is no .gitignore file in the directory to add the object as
stated in the selftest documentation.
Add the missing .gitignore file and include 'power_floor'.
Signed-off-by: Javier Carrasco <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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The 'uevent_filtering' test generates an object with the same name,
but there is no .gitignore file in the directory to add the object
as stated in the selftest documentation.
Add the missing .gitignore file and include 'uevent_filtering'.
Signed-off-by: Javier Carrasco <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Add a kselftest that verifies power supply properties from sysfs and
uevent. It checks whether they are present, readable and return valid
values.
This initial set of properties is not comprehensive, but rather the ones
that I was able to validate locally.
Co-developed-by: Sebastian Reichel <[email protected]>
Signed-off-by: Sebastian Reichel <[email protected]>
Signed-off-by: Nícolas F. R. A. Prado <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Similar to the C counterpart, keep track of the number of test cases in
the test plan and add a helper function to be called at the end of the
test to print the results and exit with the corresponding exit code.
Signed-off-by: Nícolas F. R. A. Prado <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Similar to the C counterpart, add a helper function to abort the
remainder of the test.
Signed-off-by: Nícolas F. R. A. Prado <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Similar to the C counterpart, add a helper function that runs a command
and passes or fails the test based on the result.
Signed-off-by: Nícolas F. R. A. Prado <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Similar to the C counterpart, add a helper to print a diagnostic
message.
Signed-off-by: Nícolas F. R. A. Prado <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Move bash helpers for outputting in KTAP format to the common selftests
folder. This allows kselftests other than the dt one to source the file
and make use of the helper functions.
Define pass, fail and skip codes in the same file too.
Signed-off-by: Laura Nao <[email protected]>
Reviewed-by: Nícolas F. R. A. Prado <[email protected]>
Tested-by: Nícolas F. R. A. Prado <[email protected]>
Acked-by: Rob Herring <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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If HUGETLBFS is not enabled then the default_huge_page_size function will
return 0 and cause a divide by 0 error. Add a check to see if the huge page
size is 0 and skip the hugetlb tests if it is.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: 16a45b57cbf2 ("selftests/mm: add framework for uffd-unit-test")
Signed-off-by: Terry Tritton <[email protected]>
Cc: Peter Griffin <[email protected]>
Cc: Shuah Khan <[email protected]>
Cc: Peter Xu <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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The typo in the description shows up in test logs and output.
This patch submission is part of my application to the Linux Foundation
mentorship program: Linux kernel Bug Fixing Spring Unpaid 2024.
Signed-off-by: Ali Zahraee <[email protected]>
Acked-by: Masami Hiramatsu (Google) <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Fix a typo in ftracetest script which is run when running the kselftests
for ftrace.
s/faii/fail
Signed-off-by: Kousik Sanagavarapu <[email protected]>
Acked-by: Masami Hiramatsu (Google) <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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The futex_requeue_pi test program is run a number of times with different
options to provide multiple test cases. Currently every time it runs it
reports the result with a consistent string, meaning that automated systems
parsing the TAP output from a test run have difficulty in distinguishing
which test is which.
The parameters used for the test are already logged as part of the test
output, let's use the same format to roll them into the test name that we
use with KTAP so that automated systems can follow the results of the
individual cases that get run.
Signed-off-by: Mark Brown <[email protected]>
Acked-by: Davidlohr Bueso <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
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Incorporate a test case to assess the handling of invalid flags or
task__nullable parameters passed to bpf_iter_task_new(). Prior to the
preceding commit, this scenario could potentially trigger a kernel panic.
However, with the previous commit, this test case is expected to function
correctly.
Signed-off-by: Yafang Shao <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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