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authorLinus Torvalds <torvalds@linux-foundation.org>2024-07-16 17:45:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2024-07-16 17:45:33 -0700
commit0434dbe32053d07d658165be681505120c6b1abc (patch)
tree7b0e0d9caede2e0b8fbe05e858e47888c13efa1f /tools/testing/selftests/x86/fsgsbase_restore.c
parentf8d22a3195b8e2eaacbc5073ae1d5d5bb7386de9 (diff)
parentbb408dae9e73803eab8a648115d6c4a1bca4dba3 (diff)
Merge tag 'linux_kselftest-next-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan: - change resctrl test to cleanup resctrl_val() and generalize it by removing test name specific handling from the function. - several clang build failure fixes to framework and tests - add tests to verify IFS (In Field Scan) driver functionality - cleanups to remove unused variables and document changes * tag 'linux_kselftest-next-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (33 commits) selftests: ifs: verify IFS ARRAY BIST functionality selftests: ifs: verify IFS scan test functionality selftests: ifs: verify test image loading functionality selftests: ifs: verify test interfaces are created by the driver selftests/dma:remove unused variable selftests/breakpoints:Remove unused variable selftests/x86: fix printk warnings reported by clang selftests/x86: remove (or use) unused variables and functions selftests/x86: avoid -no-pie warnings from clang during compilation selftests/x86: build sysret_rip.c with clang selftests/x86: build fsgsbase_restore.c with clang selftests: x86: test_FISTTP: use fisttps instead of ambiguous fisttp selftests/x86: fix Makefile dependencies to work with clang selftests/timers: remove unused irqcount variable selftests: Add information about TAP conformance in tests selftests/resctrl: Remove test name comparing from write_bm_pid_to_resctrl() selftests/resctrl: Remove mongrp from CMT test selftests/resctrl: Remove mongrp from MBA test selftests/resctrl: Convert ctrlgrp & mongrp to pointers selftests/resctrl: Make some strings passed to resctrlfs functions const ...
Diffstat (limited to 'tools/testing/selftests/x86/fsgsbase_restore.c')
-rw-r--r--tools/testing/selftests/x86/fsgsbase_restore.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/tools/testing/selftests/x86/fsgsbase_restore.c b/tools/testing/selftests/x86/fsgsbase_restore.c
index 6fffadc51579..224058c1e4b2 100644
--- a/tools/testing/selftests/x86/fsgsbase_restore.c
+++ b/tools/testing/selftests/x86/fsgsbase_restore.c
@@ -39,12 +39,11 @@
# define SEG "%fs"
#endif
-static unsigned int dereference_seg_base(void)
-{
- int ret;
- asm volatile ("mov %" SEG ":(0), %0" : "=rm" (ret));
- return ret;
-}
+/*
+ * Defined in clang_helpers_[32|64].S, because unlike gcc, clang inline asm does
+ * not support segmentation prefixes.
+ */
+unsigned int dereference_seg_base(void);
static void init_seg(void)
{