| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 20/33] ARM: fix co-processor register typo | Date | Thu, 10 Mar 2022 15:18:47 +0100 |
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From: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
commit 33970b031dc4653cc9dc80f2886976706c4c8ef1 upstream.
In the recent Spectre BHB patches, there was a typo that is only exposed in certain configurations: mcr p15,0,XX,c7,r5,4 should have been mcr p15,0,XX,c7,c5,4
Reported-by: kernel test robot <lkp@intel.com> Fixes: b9baf5c8c5c3 ("ARM: Spectre-BHB workaround") Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- arch/arm/include/asm/assembler.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm/include/asm/assembler.h +++ b/arch/arm/include/asm/assembler.h @@ -116,7 +116,7 @@ .endm .macro isb, args - mcr p15, 0, r0, c7, r5, 4 + mcr p15, 0, r0, c7, c5, 4 .endm #endif
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