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| author | Mark Rutland <[email protected]> | 2022-08-17 15:59:14 +0000 |
|---|---|---|
| committer | Catalin Marinas <[email protected]> | 2022-09-09 12:58:33 +0000 |
| commit | 78f6f5c994ed22a35ce1cd3ec9aeda8e2fa328e6 (patch) | |
| tree | 7a26f895fa5f3083c72d11b853b07ee9afd0a00c /lib/overflow_kunit.c | |
| parent | arm64: atomics: remove LL/SC trampolines (diff) | |
| download | kernel-78f6f5c994ed22a35ce1cd3ec9aeda8e2fa328e6.tar.gz kernel-78f6f5c994ed22a35ce1cd3ec9aeda8e2fa328e6.zip | |
arm64: atomic: always inline the assembly
The __lse_*() and __ll_sc_*() atomic implementations are marked as
inline rather than __always_inline, permitting a compiler to generate
out-of-line versions, which may be instrumented.
We marked the atomic wrappers as __always_inline in commit:
c35a824c31834d94 ("arm64: make atomic helpers __always_inline")
... but did not think to do the same for the underlying implementations.
If the compiler were to out-of-line an LSE or LL/SC atomic, this could
break noinstr code. Ensure this doesn't happen by marking the underlying
implementations as __always_inline.
There should be no functional change as a result of this patch.
Signed-off-by: Mark Rutland <[email protected]>
Cc: Will Deacon <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Catalin Marinas <[email protected]>
Diffstat (limited to 'lib/overflow_kunit.c')
0 files changed, 0 insertions, 0 deletions