linux-kernel - [PATCH] arm64: compat: fix wrong dependency

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Date:	Tue, 29 Dec 2015 22:59:42 +0800
From:	Bamvor Jian Zhang <bamvor.zhangjian@...aro.org>
To:	ynorov@...iumnetworks.com
Cc:	arnd@...db.de, catalin.marinas@....com,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	pinskia@...il.com, Prasun.Kapoor@...iumnetworks.com,
	schwab@...e.de, Nathan_Lynch@...tor.com, agraf@...e.de,
	klimov.linux@...il.com, broonie@...nel.org,
	jan.dakinevich@...il.com, ddaney.cavm@...il.com,
	bamvor.zhangjian@...wei.com, philipp.tomsich@...obroma-systems.com,
	joseph@...esourcery.com, christoph.muellner@...obroma-systems.com,
	apinski@...ium.com, Andrew.Pinski@...iumnetworks.com,
	bamvor.zhangjian@...aro.org, baixin1@...wei.com
Subject: [PATCH] arm64: compat: fix wrong dependency

With the patches of ILP32, COMPAT is not equivalent to AARCH32 in EL0.
This patch fix this by updating the dependency from COMPAT to
AARCH32_EL0 for ARMV8_DEPRECATED and ARM64_ERRATUM_845719.

Signed-off-by: Bamvor Jian Zhang <bamvor.zhangjian@...aro.org>
---
 arch/arm64/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index deec37a..7ea783b 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -313,7 +313,7 @@ config ARM64_ERRATUM_832075
 
 config ARM64_ERRATUM_845719
 	bool "Cortex-A53: 845719: a load might read incorrect data"
-	depends on COMPAT
+	depends on AARCH32_EL0
 	default y
 	help
 	  This option adds an alternative code sequence to work around ARM
@@ -509,7 +509,7 @@ config FORCE_MAX_ZONEORDER
 
 menuconfig ARMV8_DEPRECATED
 	bool "Emulate deprecated/obsolete ARMv8 instructions"
-	depends on COMPAT
+	depends on AARCH32_EL0
 	help
 	  Legacy software support may require certain instructions
 	  that have been deprecated or obsoleted in the architecture.
-- 
2.1.4

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