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| author | Maxime Ripard <mripard@kernel.org> | 2023-07-11 09:23:20 +0200 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2023-07-11 09:23:20 +0200 |
| commit | 2f98e686ef59b5d19af5847d755798e2031bee3a (patch) | |
| tree | 7b47919242853d088decf898ca79d6cda0d49381 /arch/arm/include/asm/assembler.h | |
| parent | a2848d08742c8e8494675892c02c0d22acbe3cf8 (diff) | |
| parent | 06c2afb862f9da8dc5efa4b6076a0e48c3fbaaa5 (diff) | |
| download | linux-2f98e686ef59b5d19af5847d755798e2031bee3a.tar.gz linux-2f98e686ef59b5d19af5847d755798e2031bee3a.tar.bz2 linux-2f98e686ef59b5d19af5847d755798e2031bee3a.zip | |
Merge v6.5-rc1 into drm-misc-fixes
Boris needs 6.5-rc1 in drm-misc-fixes to prevent a conflict.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'arch/arm/include/asm/assembler.h')
| -rw-r--r-- | arch/arm/include/asm/assembler.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h index 505a306e0271..aebe2c8f6a68 100644 --- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h @@ -394,6 +394,23 @@ ALT_UP_B(.L0_\@) #endif .endm +/* + * Raw SMP data memory barrier + */ + .macro __smp_dmb mode +#if __LINUX_ARM_ARCH__ >= 7 + .ifeqs "\mode","arm" + dmb ish + .else + W(dmb) ish + .endif +#elif __LINUX_ARM_ARCH__ == 6 + mcr p15, 0, r0, c7, c10, 5 @ dmb +#else + .error "Incompatible SMP platform" +#endif + .endm + #if defined(CONFIG_CPU_V7M) /* * setmode is used to assert to be in svc mode during boot. For v7-M |