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| author |   Peter Zijlstra <peterz@infradead.org> | 2020-06-02 14:24:47 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-06-15 14:10:08 +0200 |
| commit | e82587336695f14283987c9aa0bfd775b520856d (patch) | |
| tree | 1941a1ca0345af03f5ac508289f8377395676715 | |
| parent | Linux 5.8-rc1 (diff) | |
| download | linux-dev-e82587336695f14283987c9aa0bfd775b520856d.tar.xz linux-dev-e82587336695f14283987c9aa0bfd775b520856d.zip | |
x86, kcsan: Remove __no_kcsan_or_inline usage
Now that KCSAN relies on -tsan-distinguish-volatile we no longer need
the annotation for constant_test_bit(). Remove it.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
| -rw-r--r-- | arch/x86/include/asm/bitops.h | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h index 35460fef39b8..0367efdc5b7a 100644 --- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h @@ -201,12 +201,8 @@ arch_test_and_change_bit(long nr, volatile unsigned long *addr) return GEN_BINARY_RMWcc(LOCK_PREFIX __ASM_SIZE(btc), *addr, c, "Ir", nr); } -static __no_kcsan_or_inline bool constant_test_bit(long nr, const volatile unsigned long *addr) +static __always_inline bool constant_test_bit(long nr, const volatile unsigned long *addr) { - /* - * Because this is a plain access, we need to disable KCSAN here to - * avoid double instrumentation via instrumented bitops. - */ return ((1UL << (nr & (BITS_PER_LONG-1))) & (addr[nr >> _BITOPS_LONG_SHIFT])) != 0; } |