AuxXxilium/linux_dsm_epyc7002
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ec34802056
linux_dsm_epyc7002/tools/testing/selftests
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Andy Lutomirski ec34802056 selftests/x86/sigreturn/64: Fix spurious failures on AMD CPUs 
When I wrote the sigreturn test, I didn't realize that AMD's busted
IRET behavior was different from Intel's busted IRET behavior:

On AMD CPUs, the CPU leaks the high 32 bits of the kernel stack pointer
to certain userspace contexts.  Gee, thanks.  There's very little
the kernel can do about it.  Modify the test so it passes.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/86e7fd3564497f657de30a36da4505799eebef01.1530076529.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2018-06-27 09:36:56 +02:00
..
android selftests: android: ion: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
bpf bpf, selftests: delete xfrm tunnel when test exits. 2018-06-15 03:31:52 +02:00
breakpoints selftests: breakpoints: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
capabilities License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cgroup kselftest/cgroup: fix a signedness bug 2018-06-07 13:44:30 -06:00
cpu-hotplug selftests: cpu-hotplug: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
cpufreq selftests: cpufreq: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
drivers selftests: add test for USB over IP driver 2018-05-31 17:49:48 +02:00
efivarfs selftests: efivarfs: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
exec selftests: exec: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
filesystems selftests: filesystems: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
firmware selftests: firmware: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
ftrace linux-kselftest-4.18-rc1-2 2018-06-15 17:26:29 +09:00
futex selftests: futex: delete RUN_TESTS and EMIT_TESTS overrides 2018-05-30 15:21:52 -06:00
gpio selftests: gpio: return Kselftest Skip code for skipped tests 2018-05-30 15:21:52 -06:00
ia64 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
intel_pstate selftests: intel_pstate: notification about privilege required to run intel_pstate testing script 2018-05-30 21:31:31 -06:00
ipc selftests: ipc: return Kselftest Skip code for skipped tests 2018-05-30 15:21:53 -06:00
kcmp License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
kmod selftests: kmod: return Kselftest Skip code for skipped tests 2018-05-30 15:21:53 -06:00
kvm selftests: kvm: return Kselftest Skip code for skipped tests 2018-05-30 15:29:05 -06:00
lib selftests: lib: fix prime_numbers module search and skip logic 2018-05-30 21:32:55 -06:00
locking selftests: locking: return Kselftest Skip code for skipped tests 2018-05-30 15:29:06 -06:00
media_tests selftests: media_tests: return Kselftest Skip code for skipped tests 2018-05-30 15:29:06 -06:00
membarrier selftests: membarrier: return Kselftest Skip code for skipped tests 2018-05-30 15:29:06 -06:00
memfd selftests: memfd: split regular and hugetlbfs tests 2018-05-30 15:29:06 -06:00
memory-hotplug selftests: memory-hotplug: return Kselftest Skip code for skipped tests 2018-05-30 15:29:06 -06:00
mount selftests: mount: delete RUN_TESTS and EMIT_TESTS overrides 2018-05-30 15:21:52 -06:00
mqueue selftests: mqueue: return Kselftest Skip code for skipped tests 2018-05-30 15:29:06 -06:00
net selftests: net: add tcp_inq to gitignore 2018-06-21 15:02:32 +09:00
networking/timestamping selftests/txtimestamp: Add more configurable parameters 2018-03-16 15:05:57 -04:00
nsfs tools/testing: Fix trailing semicolon 2018-01-12 11:41:33 -07:00
ntb NTB: ntb_test: Update ntb_perf tests 2018-01-28 22:17:24 -05:00
powerpc selftests/powerpc: Add perf breakpoint test 2018-06-03 21:16:44 +10:00
prctl License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
proc tools/testing/selftests/proc: test /proc/*/fd a bit (+ PF_KTHREAD is ABI!) 2018-06-07 17:34:38 -07:00
pstore selftests: pstore: return Kselftest Skip code for skipped tests 2018-06-18 09:11:09 -06:00
ptp posix-timers: Prevent UB from shifting negative signed value 2018-01-04 14:57:10 +01:00
ptrace License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rcutorture torture: Make kvm-find-errors.sh find build warnings 2018-05-15 10:32:25 -07:00
rseq Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-06-24 20:18:19 +08:00
rtc selftests: rtc: rework rtctest 2018-05-30 15:21:51 -06:00
seccomp seccomp: Add filter flag to opt-out of SSB mitigation 2018-05-05 00:51:44 +02:00
sigaltstack License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
size kselftest: convert get_size to use stricter TAP13 format 2017-06-14 18:23:27 -06:00
sparc64 selftests: sparc64: Add missing SPDX License Identifiers 2018-06-18 09:29:20 -06:00
splice License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
static_keys selftests: static_keys: return Kselftest Skip code for skipped tests 2018-06-18 09:11:09 -06:00
sync selftests: sync: add config fragment for testing sync framework 2018-06-18 09:11:10 -06:00
sysctl selftests: sysctl: return Kselftest Skip code for skipped tests 2018-06-18 09:11:09 -06:00
tc-testing tc-testing: ife: fix wrong teardown command in test b7b8 2018-06-12 15:32:25 -07:00
timers selftests: move RTC tests to rtc subfolder 2018-05-30 15:21:51 -06:00
uevent selftests: uevent filtering 2018-05-23 15:24:22 -04:00
user selftests: user: return Kselftest Skip code for skipped tests 2018-06-18 09:11:09 -06:00
vDSO selftest/vDSO: fix O= 2018-02-13 11:35:01 -07:00
vm selftests: vm: return Kselftest Skip code for skipped tests 2018-06-18 09:11:10 -06:00
watchdog License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
x86 selftests/x86/sigreturn/64: Fix spurious failures on AMD CPUs 2018-06-27 09:36:56 +02:00
zram selftests: zram: return Kselftest Skip code for skipped tests 2018-06-18 09:11:09 -06:00
.gitignore
gen_kselftest_tar.sh selftests: gen_kselftest_tar.h: Add SPDX license identifier 2018-01-12 11:44:31 -07:00
kselftest_harness.h selftests/seccomp: Allow get_metadata to XFAIL 2018-03-21 10:42:46 -06:00
kselftest_install.sh selftests: kselftest_install.sh: Add SPDX license identifier 2018-01-12 11:45:05 -07:00
kselftest.h selftests: kselftest: change KSFT_SKIP=4 instead of KSFT_PASS 2018-05-30 15:21:52 -06:00
lib.mk Merge branch 'core-rseq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-06-10 10:17:09 -07:00
Makefile Merge branch 'core-rseq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-06-10 10:17:09 -07:00