Implement architecture specific primitive allowing the GICv3 driver to use priorities to mask interrupts.
Signed-off-by: Julien Thierry <[email protected]> Suggested-by: Daniel Thompson <[email protected]> Cc: Marc Zyngier <[email protected]> Cc: Catalin Marinas <[email protected]> Cc: Will Deacon <[email protected]> --- arch/arm64/include/asm/arch_gicv3.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/include/asm/arch_gicv3.h b/arch/arm64/include/asm/arch_gicv3.h index b5f8142..14b41dd 100644 --- a/arch/arm64/include/asm/arch_gicv3.h +++ b/arch/arm64/include/asm/arch_gicv3.h @@ -22,6 +22,7 @@ #ifndef __ASSEMBLY__ +#include <linux/irqchip/arm-gic-common.h> #include <linux/stringify.h> #include <asm/barrier.h> #include <asm/cacheflush.h> @@ -162,14 +163,13 @@ static inline bool gic_prio_masking_enabled(void) static inline void gic_pmr_mask_irqs(void) { - /* Should not get called yet. */ - WARN_ON_ONCE(true); + BUILD_BUG_ON(GICD_INT_DEF_PRI <= GIC_PRIO_IRQOFF); + gic_write_pmr(GIC_PRIO_IRQOFF); } static inline void gic_arch_enable_irqs(void) { - /* Should not get called yet. */ - WARN_ON_ONCE(true); + asm volatile ("msr daifclr, #2" : : : "memory"); } #endif /* __ASSEMBLY__ */ -- 1.9.1
