diff options
| author | Vijaya Kumar K <Vijaya.Kumar@caviumnetworks.com> | 2014-01-28 11:20:17 +0000 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2014-05-29 10:54:47 +0800 |
| commit | 0d1a1d02083c0dadfed261c91c0116630263e69d (patch) | |
| tree | a2704d5350d7dd6ef204bee12e5e9ca978be61df /arch/arm64/kernel/debug-monitors.c | |
| parent | 455c6fdbd219161bd09b1165f11699d6d73de11c (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>
(cherry picked from commit c7db4ff5d2b459a579d348532a92fd5885520ce6)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
Diffstat (limited to 'arch/arm64/kernel/debug-monitors.c')
| -rw-r--r-- | arch/arm64/kernel/debug-monitors.c | 1 |
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, |