linux-kernel - [stable:PATCH v4.14.274 04/27] arm64: Make ARM64_ERRATUM

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Message-Id: <20220331183400.73183-5-james.morse@arm.com>
Date:   Thu, 31 Mar 2022 19:33:37 +0100
From:   James Morse <james.morse@....com>
To:     stable@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     james.morse@....com, catalin.marinas@....com
Subject: [stable:PATCH v4.14.274 04/27] arm64: Make ARM64_ERRATUM_1188873 depend on COMPAT

From: Marc Zyngier <marc.zyngier@....com>

commit c2b5bba3967a000764e9148e6f020d776b7ecd82 upstream.

Since ARM64_ERRATUM_1188873 only affects AArch32 EL0, it makes some
sense that it should depend on COMPAT.

Signed-off-by: Marc Zyngier <marc.zyngier@....com>
Signed-off-by: Will Deacon <will.deacon@....com>
Signed-off-by: James Morse <james.morse@....com>
---
 arch/arm64/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 7c205e0fd44b..729384f19c7f 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -461,6 +461,7 @@ config ARM64_ERRATUM_1024718
 config ARM64_ERRATUM_1188873
 	bool "Cortex-A76: MRC read following MRRC read of specific Generic Timer in AArch32 might give incorrect result"
 	default y
+	depends on COMPAT
 	select ARM_ARCH_TIMER_OOL_WORKAROUND
 	help
 	  This option adds work arounds for ARM Cortex-A76 erratum 1188873
-- 
2.30.2