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/openbmc/linux/Documentation/dev-tools/
H A Dkcsan.rst7 The Kernel Concurrency Sanitizer (KCSAN) is a dynamic race detector, which
27 A typical data race report looks like this::
30 BUG: KCSAN: data-race in test_kernel_read / test_kernel_write
56 The other less common type of data race report looks like this::
59 BUG: KCSAN: data-race in test_kernel_rmw_array+0x71/0xd0
91 behaviour when encountering a data race is deemed safe. Please see
122 observed to remain unchanged, do not report the data race.
173 overall system performance and race detection ability.
292 x = 1; // data race!
298 ... = x; // data race!
[all …]
/openbmc/linux/tools/memory-model/
H A Dlinux-kernel.cat202 let pre-race = ext & ((Plain * M) | ((M \ IW) * Plain))
205 let wr-incoh = pre-race & rf & rw-xbstar^-1
206 let rw-incoh = pre-race & fr & wr-vis^-1
207 let ww-incoh = pre-race & co & ww-vis^-1
212 let ww-race = (pre-race & co) \ ww-nonrace
213 let wr-race = (pre-race & (co? ; rf)) \ wr-vis \ rw-xbstar^-1
214 let rw-race = (pre-race & fr) \ rw-xbstar
216 flag ~empty (ww-race | wr-race | rw-race) as data-race
/openbmc/qemu/tests/tsan/
H A Dsuppressions.tsan9 # TSan reports a race between pthread_mutex_init() and
12 race:pthread_mutex_init
13 race:pthread_mutex_lock
/openbmc/linux/lib/
H A DKconfig.kcsan14 bool "KCSAN: dynamic data race detector"
21 data-race detector that relies on compile-time instrumentation.
51 external functions on report generation; if a race report is
70 various race scenarios, and verifies the reports generated to
131 results in more aggressive race detection, whereas a larger value
158 Any given race is only reported once in the defined time window.
173 conflicting access is of unknown origin. This type of race is
174 reported if it was only possible to infer a race due to a data value
178 bool "Strict data-race checking"
213 unchanged, do not report the data race.
[all …]
/openbmc/linux/Documentation/driver-api/firmware/
H A Ddirect-fs-lookup.rst22 a race is possible with loading the driver and the real rootfs not yet being
23 available. Stuffing the firmware into initramfs resolves this race issue,
24 however note that using initrd does not suffice to address the same race.
/openbmc/linux/tools/testing/selftests/kvm/x86_64/
H A Drecalc_apic_map_test.c21 static void *race(void *arg) in race() function
60 TEST_ASSERT_EQ(pthread_create(&thread, NULL, race, vcpus[0]), 0); in main()
/openbmc/openbmc/poky/meta/recipes-devtools/quilt/quilt/
H A D0001-test-Fix-a-race-condition-in-merge.test.patch5 Subject: [PATCH] test: Fix a race condition in merge.test
10 Just like commit 4dfe7f9, (test: Fix a race condition, 2023-01-20),
11 this fix a test race when stdout and stderr in any order.
/openbmc/linux/drivers/gpu/drm/ci/xfails/
H A Drockchip-rk3399-flakes.txt3 kms_flip@dpms-vs-vblank-race-interruptible
5 kms_flip@modeset-vs-vblank-race-interruptible
H A Dmsm-sdm845-flakes.txt11 kms_flip@dpms-vs-vblank-race-interruptible
/openbmc/openbmc/meta-security/recipes-security/ecryptfs-utils/files/
H A D0001-avoid-race-condition.patch4 Subject: [PATCH] avoid race condition
9 This would avoid race condition which causes install failure.
/openbmc/openbmc/poky/meta/recipes-devtools/libtool/libtool/
H A D0009-Makefile.am-make-sure-autoheader-run-before-autoconf.patch5 autoconf needs, so there comes a race sometimes as below:
9 So make sure autoheader run before autoconf to avoid this race.
H A D0010-Makefile.am-make-sure-autoheader-run-before-automake.patch5 comes below race:
9 so make automake run after autoheader to avoid the above race.
/openbmc/openbmc/poky/meta/recipes-devtools/python/python3/
H A Dmakerace.patch4 Subject: [PATCH] python3: Fix make race
11 Add a dependency to avoid the race.
/openbmc/openbmc/meta-openembedded/meta-webserver/recipes-httpd/apache2/apache2/
H A D0006-apache2-fix-the-race-issue-of-parallel-installation.patch4 Subject: [PATCH] apache2: fix the race issue of parallel installation
8 fix following race issue when do parallel install
/openbmc/openbmc/poky/meta/recipes-devtools/tcltk/tcl/
H A Dinterp.patch4 Subject: [PATCH] tcl: fix race in interp.test
6 The interp-36.7 patch has race conditions and is missing cleanup. This patch by
/openbmc/openbmc/poky/meta/recipes-devtools/python/python3-numpy/
H A Dfix_reproducibility.patch15 The autobuilder race depended upon whether qemux86-world or the
16 reproducible target ran first and won the race to populate sstate.
/openbmc/openbmc/poky/meta/recipes-support/icu/icu/
H A Dfix-install-manx.patch4 Subject: [PATCH] icu: fix install race
8 parallel. For example, install-manx can fail if the two install processes race
/openbmc/linux/tools/perf/tests/attr/
H A Dsystem-wide-dummy1 # Event added by system-wide or CPU perf-record to handle the race of
/openbmc/openbmc/poky/meta/recipes-connectivity/openssh/openssh/
H A DCVE-2024-6387.patch1 Description: fix signal handler race condition
/openbmc/phosphor-power/phosphor-regulators/docs/config_file/
H A Di2c_interface.md10 To avoid race conditions and conflicts, no device driver should be bound to the
/openbmc/openbmc/meta-openembedded/meta-oe/recipes-printing/cups/
H A Dcups-filters_2.0.0.bb10 file://fix-make-race.patch \
/openbmc/openbmc/meta-raspberrypi/recipes-multimedia/omxplayer/omxplayer/
H A D0006-Prevent-ffmpeg-configure-compile-race-condition.patch4 Subject: [PATCH] Prevent ffmpeg configure/compile race condition
/openbmc/openbmc/meta-openembedded/meta-oe/recipes-printing/cups/cups-filters/
H A Dfix-make-race.patch4 Subject: [PATCH] Fix a Makefile race condition
/openbmc/linux/Documentation/arch/arm/
H A Dindex.rst12 cluster-pm-race-avoidance
/openbmc/linux/tools/memory-model/Documentation/
H A Daccess-marking.txt19 2. Data-race marking, for example, "data_race(a = b);"
37 Therefore, if a given access is involved in an intentional data race,
46 race with one of data_race(), READ_ONCE(), or WRITE_ONCE(), will prevent
98 that the resulting data race was intentional.
108 in a retry. Unless the race condition that resulted in the bogus value
122 that the resulting data race was intentional.
143 that the resulting data race was intentional.
159 because KCSAN will have no way of knowing that the resulting data race
520 When designing stress tests it is important to ensure that race conditions
594 [1] "Concurrency bugs should fear the big bad data-race detector (part 2)"

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