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authorVijaya Kumar K <Vijaya.Kumar@caviumnetworks.com>2014-01-28 11:20:17 +0000
committerCatalin Marinas <catalin.marinas@arm.com>2014-02-26 11:16:25 +0000
commitc7db4ff5d2b459a579d348532a92fd5885520ce6 (patch)
tree9fefbee341d75961e42aecf97267e450c3b46e6e /arch/arm64/kernel/debug-monitors.c
parentcfbf8d4857c26a8a307fb7cd258074c9dcd8c691 (diff)
arm64: Add macros to manage processor debug state
Add macros to enable and disable to manage PSTATE.D for debugging. The macros local_dbg_save and local_dbg_restore are moved to irqflags.h file KGDB boot tests fail because of PSTATE.D is masked. unmask it for debugging support Signed-off-by: Vijaya Kumar K <Vijaya.Kumar@caviumnetworks.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/kernel/debug-monitors.c')
-rw-r--r--arch/arm64/kernel/debug-monitors.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c
index 636ba8b6240b..1a8127da625b 100644
--- a/arch/arm64/kernel/debug-monitors.c
+++ b/arch/arm64/kernel/debug-monitors.c
@@ -138,6 +138,7 @@ static void clear_os_lock(void *unused)
{
asm volatile("msr oslar_el1, %0" : : "r" (0));
isb();
+ local_dbg_enable();
}
static int os_lock_notify(struct notifier_block *self,