linux-kernel - [PATCH 4.9 19/43] arm64: Make ARM64_ERRATUM

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Message-Id: <20220406182437.241430826@linuxfoundation.org>
Date:   Wed,  6 Apr 2022 20:26:28 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Marc Zyngier <marc.zyngier@....com>,
        Will Deacon <will.deacon@....com>,
        James Morse <james.morse@....com>
Subject: [PATCH 4.9 19/43] 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>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/arm64/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -444,6 +444,7 @@ 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