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s390/barrier: Make array_index_mask_nospec() __always_inline

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commit c5c0a268b3 upstream.

Mark array_index_mask_nospec() as __always_inline to guarantee the
mitigation is emitted inline regardless of compiler inlining decisions.

Fixes: e2dd833389 ("s390: add optimized array_index_mask_nospec")
Cc: stable@kernel.org
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vasily Gorbik
2026-04-18 10:33:27 +02:00
committed by Greg Kroah-Hartman
parent 3c3b970647
commit ea78bed4c8
1 changed files with 2 additions and 2 deletions
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arch/s390/include/asm/barrier.h
+2 -2
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@@ -56,8 +56,8 @@ do { \
* @size: number of elements in array
*/
#define array_index_mask_nospec array_index_mask_nospec
static inline unsigned long array_index_mask_nospec(unsigned long index,
unsigned long size)
static __always_inline unsigned long array_index_mask_nospec(unsigned long index,
unsigned long size)
{
unsigned long mask;