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x86/CPU/AMD: Always inline amd_clear_divider()
authorMateusz Guzik <mjguzik@gmail.com>
Thu, 13 Jun 2024 08:26:37 +0000 (10:26 +0200)
committerBorislav Petkov (AMD) <bp@alien8.de>
Thu, 13 Jun 2024 12:40:29 +0000 (14:40 +0200)
commit501bd734f933f4eb5c080b87936e9d43f471d723
tree16b37e70d6317bdce9fdd6e8cc3b6e62b8c5e480tree
parenteb9d3c0bb065e55af6ec88e82a94b57fa1bb6e5dcommit | diff
x86/CPU/AMD: Always inline amd_clear_divider()

The routine is used on syscall exit and on non-AMD CPUs is guaranteed to
be empty.

It probably does not need to be a function call even on CPUs which do need the
mitigation.

  [ bp: Make sure it is always inlined so that noinstr marking works. ]

Signed-off-by: Mateusz Guzik <mjguzik@gmail.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240613082637.659133-1-mjguzik@gmail.com
arch/x86/include/asm/processor.h diff | blob | history
arch/x86/kernel/cpu/amd.c diff | blob | history
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