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| author | Catalin Marinas <catalin.marinas@arm.com> | 2013-11-21 15:46:17 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2013-11-25 17:44:05 +0100 |
| commit | b3bf6aa7e79117419f7eddccf0b7af4382d823c3 (patch) | |
| tree | 0f055403c68a07fe20673c15f90dbcd4db8965f8 /arch/arm64/kernel/smp.c | |
| parent | arm64: dts: Reserve the memory used for secondary CPU release address (diff) | |
| download | linux-b3bf6aa7e79117419f7eddccf0b7af4382d823c3.tar.xz linux-b3bf6aa7e79117419f7eddccf0b7af4382d823c3.zip | |
arm64: Unmask asynchronous aborts when in kernel mode
The asynchronous aborts are generally fatal for the kernel but they can
be masked via the pstate A bit. If a system error happens while in
kernel mode, it won't be visible until returning to user space. This
patch enables this kind of abort early to help identifying the cause.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/kernel/smp.c')
| -rw-r--r-- | arch/arm64/kernel/smp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index a5aeefab03c3..a0c2ca602cf8 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -160,6 +160,7 @@ asmlinkage void secondary_start_kernel(void) local_irq_enable(); local_fiq_enable(); + local_async_enable(); /* * OK, it's off to the idle thread for us |