[PATCH 5.1 307/371] arm64: irqflags: Add condition flags to inline asm clobber list

From: Greg Kroah-Hartman
Date: Wed Jul 24 2019 - 15:57:55 EST


From: Julien Thierry <julien.thierry@xxxxxxx>

commit f57065782f245ca96f1472209a485073bbc11247 upstream.

Some of the inline assembly instruction use the condition flags and need
to include "cc" in the clobber list.

Fixes: 4a503217ce37 ("arm64: irqflags: Use ICC_PMR_EL1 for interrupt masking")
Cc: <stable@xxxxxxxxxxxxxxx> # 5.1.x-
Suggested-by: Marc Zyngier <marc.zyngier@xxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Reviewed-by: Marc Zyngier <marc.zyngier@xxxxxxx>
Acked-by: Mark Rutland <mark.rutland@xxxxxxx>
Signed-off-by: Julien Thierry <julien.thierry@xxxxxxx>
Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
arch/arm64/include/asm/irqflags.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/arch/arm64/include/asm/irqflags.h
+++ b/arch/arm64/include/asm/irqflags.h
@@ -92,7 +92,7 @@ static inline unsigned long arch_local_s
ARM64_HAS_IRQ_PRIO_MASKING)
: "=&r" (flags), "+r" (daif_bits)
: "r" ((unsigned long) GIC_PRIO_IRQOFF)
- : "memory");
+ : "cc", "memory");

return flags;
}
@@ -136,7 +136,7 @@ static inline int arch_irqs_disabled_fla
ARM64_HAS_IRQ_PRIO_MASKING)
: "=&r" (res)
: "r" ((int) flags)
- : "memory");
+ : "cc", "memory");

return res;
}