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From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: fix co-processor register typo
Date: Wed, 09 Mar 2022 19:08:42 +0000	[thread overview]
Message-ID: <E1nS1fu-00GcNN-24@rmk-PC.armlinux.org.uk> (raw)

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>
---
 arch/arm/include/asm/assembler.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index cc8851e09f0d..34fe8d2dd5d1 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -117,7 +117,7 @@ THUMB(	fpreg	.req	r7	)
 	.endm
 
 	.macro	isb, args
-	mcr	p15, 0, r0, c7, r5, 4
+	mcr	p15, 0, r0, c7, c5, 4
 	.endm
 #endif
 
-- 
2.30.2


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             reply	other threads:[~2022-03-09 19:09 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-09 19:08 Russell King (Oracle) [this message]
2022-03-09 19:10 ` [PATCH] ARM: fix co-processor register typo Catalin Marinas

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