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authorAlexander Sverdlin <alexander.sverdlin@gmail.com>2017-01-17 21:10:11 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-02-14 15:22:51 -0800
commit2f46791849be84e5a7c2fe13b5e4ab37e663fd55 (patch)
tree8e1e4a750da337a491e443d2373f7ab807adfef0
parent04ed4a9e21f524978e113754b0b6d374f2aef16f (diff)
ARM: 8642/1: LPAE: catch pending imprecise abort on unmask
commit 97a98ae5b8acf08d07d972c087b2def060bc9b73 upstream. Asynchronous external abort is coded differently in DFSR with LPAE enabled. Fixes: 9254970c "ARM: 8447/1: catch pending imprecise abort on unmask". Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com> Cc: Russell King <linux@armlinux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--arch/arm/mm/fault.c4
-rw-r--r--arch/arm/mm/fault.h4
2 files changed, 6 insertions, 2 deletions
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index daafcf121ce0..c095455d496e 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -610,9 +610,9 @@ static int __init early_abort_handler(unsigned long addr, unsigned int fsr,
void __init early_abt_enable(void)
{
- fsr_info[22].fn = early_abort_handler;
+ fsr_info[FSR_FS_AEA].fn = early_abort_handler;
local_abt_enable();
- fsr_info[22].fn = do_bad;
+ fsr_info[FSR_FS_AEA].fn = do_bad;
}
#ifndef CONFIG_ARM_LPAE
diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h
index 05ec5e0df32d..78830657cab3 100644
--- a/arch/arm/mm/fault.h
+++ b/arch/arm/mm/fault.h
@@ -11,11 +11,15 @@
#define FSR_FS5_0 (0x3f)
#ifdef CONFIG_ARM_LPAE
+#define FSR_FS_AEA 17
+
static inline int fsr_fs(unsigned int fsr)
{
return fsr & FSR_FS5_0;
}
#else
+#define FSR_FS_AEA 22
+
static inline int fsr_fs(unsigned int fsr)
{
return (fsr & FSR_FS3_0) | (fsr & FSR_FS4) >> 6;