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kfence: always use static branches to guard kfence_alloc()
2021-11-06 Marco Elverkfence: always use static branches to guard kfence_alloc()
 ...org/r/20211019102524.2807208-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-11-06 Marco Elverkfence: shorten critical sections of alloc/free
 ...org/r/20210930153706.2105471-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-11-06 Marco Elverkfence: test: use kunit_skip() to skip tests
 ...org/r/20210922182541.1372400-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-11-06 Marco Elverkfence: add note to documentation about skipping covered...
...org/r/20210923104803.2620285-5-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-11-06 Marco Elverkfence: limit currently covered allocations when pool...
[elver@google.com: simplify and just use hash_32...
[elver@google.com: fix 32 bit]
...org/r/20210923104803.2620285-4-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-11-06 Marco Elverkfence: move saving stack trace of allocations into...
...org/r/20210923104803.2620285-3-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-11-06 Marco Elverkfence: count unexpectedly skipped allocations
 ...org/r/20210923104803.2620285-2-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-11-06 Marco Elverstacktrace: move filter_irq_stacks() to kernel/stacktrace.c
 ...org/r/20210923104803.2620285-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-11-06 Marco Elvermm: fix data race in PagePoisoned()
 ...org/r/20210913113542.2658064-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
Cc: Marco Elver <elver@google.com>
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2021-11-06 Marco Elverworkqueue, kasan: avoid alloc_pages() when recording...
...org/r/20210913112609.2651084-7-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-11-06 Marco Elverkasan: generic: introduce kasan_record_aux_stack_noalloc()
 ...org/r/20210913112609.2651084-6-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-11-06 Marco Elverkasan: common: provide can_alloc in kasan_save_stack()
 ...org/r/20210913112609.2651084-5-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-11-06 Marco Elverlib/stackdepot: introduce __stack_depot_save()
 ...org/r/20210913112609.2651084-4-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-11-06 Marco Elverlib/stackdepot: remove unused function argument
 ...org/r/20210913112609.2651084-3-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-11-06 Marco Elverlib/stackdepot: include gfp.h
 ...org/r/20210913112609.2651084-1-elver@google.com
...org/r/20210913112609.2651084-2-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-09-24 Marco Elverkasan: fix Kconfig check of CC_HAS_WORKING_NOSANITIZE_ADDRESS
 ...org/r/20210910084240.1215803-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-09-08 Marco Elverkfence: test: fail fast if disabled at boot
 ...org/r/20210825105533.1247922-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-09-08 Marco Elverkfence: show cpu and timestamp in alloc/free info
 ...org/r/20210714175312.2947941-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-09-08 Marco Elverkbuild: Only default to -Werror if COMPILE_TEST
Signed-off-by: Marco Elver <elver@google.com>
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2021-08-20 Marco Elverkfence: fix is_kfence_address() for addresses below...
...org/r/20210818130300.2482437-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-30 Marco Elverkfence, x86: only define helpers if !MODULE
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-23 Marco Elverarm64: Add compile-time asserts for siginfo_t offsets
 ...org/r/20210429190734.624918-3-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-23 Marco Elverarm: Add compile-time asserts for siginfo_t offsets
 ...kernel.org/r/20210422191823.79012-1-elver@google.com
...org/r/20210429190734.624918-2-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-23 Marco Elversparc64: Add compile-time asserts for siginfo_t offsets
 ...org/r/20210429190734.624918-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-20 Marco Elverkcsan: Make strict mode imply interruptible watchers
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-20 Marco Elverkcsan: permissive: Ignore data-racy 1-bit value changes
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-20 Marco Elverkcsan: Print if strict or non-strict during init
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-20 Marco Elverkcsan: Rework atomic.h into permissive.h
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-20 Marco Elverkcsan: Reduce get_ctx() uses in kcsan_found_watchpoint()
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-20 Marco Elverkcsan: Introduce CONFIG_KCSAN_STRICT
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-20 Marco Elverkcsan: Remove CONFIG_KCSAN_DEBUG
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-20 Marco Elverkcsan: Improve some Kconfig comments
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-16 Marco Elverperf: Refactor permissions check into perf_check_permission()
Signed-off-by: Marco Elver <elver@google.com>
...org/r/20210705084453.2151729-2-elver@google.com
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2021-07-16 Marco Elverperf: Fix required permissions if sigtrap is requested
Signed-off-by: Marco Elver <elver@google.com>
...org/r/20210705084453.2151729-1-elver@google.com
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2021-07-15 Marco ElverCompiler Attributes: fix __has_attribute(__no_sanitize_cover...
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-15 Marco Elverkasan: fix build by including kernel.h
 ...org/r/20210705072716.2125074-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-15 Marco Elvermm: move helper to check slub_debug_enabled
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-01 Marco Elverkcov: add __no_sanitize_coverage to fix noinstr for...
[elver@google.com: Implement __has_feature(coverage_sanit...
...org/r/20210527162655.3246381-1-elver@google.com
[elver@google.com: add comment explaining __has_feature...
...org/r/20210527194448.3470080-1-elver@google.com
...org/r/20210525175819.699786-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-07-01 Marco Elverkfence: unconditionally use unbound work queue
 ...org/r/20210521111630.472579-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-06-25 Marco Elverkasan: test: make use of kunit_skip()
Signed-off-by: Marco Elver <elver@google.com>
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2021-06-05 Marco Elverkfence: use TASK_IDLE when awaiting allocation
 ...org/r/20210521083209.3740269-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-05-31 Marco Elverperf: Fix data race between pin_count increment/decrement
Signed-off-by: Marco Elver <elver@google.com>
...org/r/20210527104711.2671610-1-elver@google.com
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2021-05-27 Marco Elverio_uring: fix data race to avoid potential NULL-deref
Signed-off-by: Marco Elver <elver@google.com>
...org/r/20210527092547.2656514-1-elver@google.com
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2021-05-24 Marco Elverinit: verify that function is initcall_t at compile...
Signed-off-by: Marco Elver <elver@google.com>
...org/r/20210521072610.2880286-1-elver@google.com
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2021-05-18 Marco Elverkcsan: Document "value changed" line
Signed-off-by: Marco Elver <elver@google.com>
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2021-05-05 Marco Elverkfence: use power-efficient work queue to run delayed...
...org/r/20210421105132.3965998-4-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-05-05 Marco Elverkfence: maximize allocation wait timeout duration
 ...org/r/20210421105132.3965998-3-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-05-05 Marco Elverkfence: await for allocation using wait_event
 ...org/r/20210421105132.3965998-1-elver@google.com
...org/r/20210421105132.3965998-2-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-05-05 Marco Elverkfence: zero guard page after out-of-bounds access
 ...org/r/20210312121653.348518-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-04-23 Marco Elversignal, perf: Add missing TRAP_PERF case in siginfo_layout()
Signed-off-by: Marco Elver <elver@google.com>
...kernel.org/r/20210422191823.79012-2-elver@google.com
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2021-04-23 Marco Elversignal, perf: Fix siginfo_t by avoiding u64 on 32-bit...
Signed-off-by: Marco Elver <elver@google.com>
...kernel.org/r/20210422191823.79012-1-elver@google.com
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2021-04-16 Marco Elverselftests/perf_events: Add kselftest for remove_on_exec
Signed-off-by: Marco Elver <elver@google.com>
...org/r/20210408103605.1676875-9-elver@google.com
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2021-04-16 Marco Elverselftests/perf_events: Add kselftest for process-wide...
Signed-off-by: Marco Elver <elver@google.com>
...org/r/20210408103605.1676875-8-elver@google.com
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2021-04-16 Marco Elverperf: Add support for SIGTRAP on perf events
Signed-off-by: Marco Elver <elver@google.com>
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2021-04-16 Marco Elversignal: Introduce TRAP_PERF si_code and si_perf to...
Signed-off-by: Marco Elver <elver@google.com>
...org/r/20210408103605.1676875-6-elver@google.com
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2021-04-16 Marco Elverperf: Add support for event removal on exec
Signed-off-by: Marco Elver <elver@google.com>
...org/r/20210408103605.1676875-5-elver@google.com
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2021-04-16 Marco Elverperf: Support only inheriting events if cloned with...
Signed-off-by: Marco Elver <elver@google.com>
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2021-04-16 Marco Elverperf: Apply PERF_EVENT_IOC_MODIFY_ATTRIBUTES to children
Signed-off-by: Marco Elver <elver@google.com>
...org/r/20210408103605.1676875-3-elver@google.com
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2021-04-09 Marco Elverkfence, x86: fix preemptible warning on KPTI-enabled...
...org/r/20210330065737.652669-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-03-25 Marco Elverkfence: make compatible with kmemleak
 ...org/r/20210317084740.3099921-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-03-19 Marco Elverlib/vsprintf: do not show no_hash_pointers message...
Signed-off-by: Marco Elver <elver@google.com>
...org/r/20210305194206.3165917-1-elver@google.com
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2021-03-13 Marco Elverkfence: fix reports if constant function prefixes exist
 ...org/r/20210304144000.1148590-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-03-13 Marco Elverkfence, slab: fix cache_alloc_debugcheck_after() for...
...org/r/20210304205256.2162309-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-03-13 Marco Elverkfence: fix printk format for ptrdiff_t
 ...org/r/20210303121157.3430807-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-03-08 Marco Elverkcsan: Add missing license and copyright headers
Signed-off-by: Marco Elver <elver@google.com>
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2021-03-08 Marco Elverkcsan: Switch to KUNIT_CASE_PARAM for parameterized...
Signed-off-by: Marco Elver <elver@google.com>
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2021-03-08 Marco Elverkcsan: Make test follow KUnit style recommendations
Signed-off-by: Marco Elver <elver@google.com>
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2021-03-08 Marco Elverkcsan, debugfs: Move debugfs file creation out of early...
Signed-off-by: Marco Elver <elver@google.com>
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2021-02-26 Marco Elverkfence: report sensitive information based on no_hash_pointers
 ...org/r/20210223082043.1972742-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-02-26 Marco ElverMAINTAINERS: add entry for KFENCE
 ...org/r/20201103175841.3495947-10-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-02-26 Marco Elverkfence: add test suite
[elver@google.com: fix typo in test]
[elver@google.com: show access type in report]
...org/r/20210111091544.3287013-2-elver@google.com
...org/r/20201103175841.3495947-9-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-02-26 Marco Elverkfence, Documentation: add KFENCE documentation
[elver@google.com: add missing copyright header...
...org/r/20210118092159.145934-4-elver@google.com
...org/r/20201103175841.3495947-8-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-02-26 Marco Elverkfence: use pt_regs to generate stack trace on faults
 ...org/r/20201105092133.2075331-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-02-26 Marco Elverarm64, kfence: enable KFENCE for ARM64
[elver@google.com: add missing copyright and description...
...org/r/20210118092159.145934-3-elver@google.com
...org/r/20201103175841.3495947-4-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2021-02-10 Marco Elverbpf_lru_list: Read double-checked variable once without...
Signed-off-by: Marco Elver <elver@google.com>
...org/bpf/20210209112701.3341724-1-elver@google.com
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2021-02-03 Marco Elvernet: fix up truesize of cloned skb in skb_prepare_for_shift()
Signed-off-by: Marco Elver <elver@google.com>
...org/r/20210201160420.2826895-1-elver@google.com
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2021-01-04 Marco Elverrandom32: Re-enable KCSAN instrumentation
Signed-off-by: Marco Elver <elver@google.com>
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2021-01-04 Marco Elverkcsan: Rewrite kcsan_prandom_u32_max() without prandom_u32_s...
Signed-off-by: Marco Elver <elver@google.com>
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2020-12-21 Marco Elvergenksyms: Ignore module scoped _Static_assert()
Signed-off-by: Marco Elver <elver@google.com>
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2020-12-15 Marco Elverlkdtm: disable KASAN for rodata.o
 ...org/r/20201214191413.3164796-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2020-12-01 Marco Elvernet: switch to storing KCOV handle directly in sk_buff
Signed-off-by: Marco Elver <elver@google.com>
...org/r/20201125224840.2014773-1-elver@google.com
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2020-11-07 Marco Elverkcsan: Fix encoding masks and regain address bit
Signed-off-by: Marco Elver <elver@google.com>
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2020-11-03 Marco Elverkcsan: Never set up watchpoints on NULL pointers
Signed-off-by: Marco Elver <elver@google.com>
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2020-11-03 Marco Elverkcsan: selftest: Ensure that address is at least PAGE_SIZE
Signed-off-by: Marco Elver <elver@google.com>
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2020-10-14 Marco Elverkasan: remove mentions of unsupported Clang versions
Signed-off-by: Marco Elver <elver@google.com>
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2020-08-31 Marco Elverkcsan: Use tracing-safe version of prandom
 ...org/r/20200821063043.1949509-1-elver@google.com
Signed-off-by: Marco Elver <elver@google.com>
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2020-08-26 Marco Elversched: Use __always_inline on is_idle_task()
Signed-off-by: Marco Elver <elver@google.com>
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2020-08-24 Marco Elverbitops, kcsan: Partially revert instrumentation for...
Signed-off-by: Marco Elver <elver@google.com>
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2020-08-24 Marco Elverkcsan: Optimize debugfs stats counters
Signed-off-by: Marco Elver <elver@google.com>
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2020-08-24 Marco Elverkcsan: Use pr_fmt for consistency
Signed-off-by: Marco Elver <elver@google.com>
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2020-08-24 Marco Elverkcsan: Show message if enabled early
Signed-off-by: Marco Elver <elver@google.com>
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2020-08-24 Marco Elverkcsan: Remove debugfs test command
Signed-off-by: Marco Elver <elver@google.com>
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2020-08-24 Marco Elverkcsan: Simplify constant string handling
Signed-off-by: Marco Elver <elver@google.com>
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2020-08-24 Marco Elverkcsan: Simplify debugfs counter to name mapping
Signed-off-by: Marco Elver <elver@google.com>
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2020-08-24 Marco Elverlocking/atomics: Use read-write instrumentation for...
Signed-off-by: Marco Elver <elver@google.com>
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2020-08-24 Marco Elverasm-generic/bitops: Use instrument_read_write() where...
Signed-off-by: Marco Elver <elver@google.com>
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2020-08-24 Marco Elverinstrumented.h: Introduce read-write instrumentation...
Signed-off-by: Marco Elver <elver@google.com>
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2020-08-24 Marco Elverkcsan: Test support for compound instrumentation
Signed-off-by: Marco Elver <elver@google.com>
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2020-08-24 Marco Elverkcsan: Add missing CONFIG_KCSAN_IGNORE_ATOMICS checks
Signed-off-by: Marco Elver <elver@google.com>
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2020-08-24 Marco Elverkcsan: Skew delay to be longer for certain access types
Signed-off-by: Marco Elver <elver@google.com>
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