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authorLucas Stach <l.stach@pengutronix.de>2015-08-25 13:52:09 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2015-09-22 08:13:56 +0100
commitbbeb9209515989ff47802d4e5d5702178c8e42c4 (patch)
tree120dfe828f6ac8ea5a7728d37c8a0814102359e3 /arch/arm/kernel
parent1f93e4a96c9109378204c147b3eec0d0e8100fde (diff)
downloadlinux-linaro-stable-bbeb9209515989ff47802d4e5d5702178c8e42c4.tar.gz
ARM: 8422/1: enable imprecise aborts during early kernel startup
This patch adds imprecise abort enable/disable macros and uses them to enable imprecise aborts early when starting the kernel. This helps in tracking down the real cause for such imprecise abort, as they are handled as soon as they occur. Until now those aborts would only be enabled when entering the userspace and as a consequence crash the first userspace process if any abort had been raised during kernel startup. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/smp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 48185a773852..36045e8ced01 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -400,6 +400,7 @@ asmlinkage void secondary_start_kernel(void)
local_irq_enable();
local_fiq_enable();
+ local_abt_enable();
/*
* OK, it's off to the idle thread for us