diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2022-05-18 09:40:16 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-06-29 16:47:43 +1000 |
| commit | 98552307e3a72d480e72744bf5da2a865822f496 (patch) | |
| tree | 10fa4b57829ca31d4cc3ae553638ec26317b4cbf /arch/powerpc/kernel | |
| parent | 7d7b28b302085e1ec2815bc9f5205af28394c5db (diff) | |
| download | linux-98552307e3a72d480e72744bf5da2a865822f496.tar.bz2 | |
powerpc/irq64: Remove get_irq_happened()
No need to open code the read of local_paca->irq_happened in
assembly, we have READ_ONCE() for doing the same.
Replace get_irq_happened() by READ_ONCE(local_paca->irq_happened).
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/af511b53e4eb51f8fbc51eda7f5597175e68dce6.1652859593.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/irq_64.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/arch/powerpc/kernel/irq_64.c b/arch/powerpc/kernel/irq_64.c index 56dd7d94e661..01645e03e9f0 100644 --- a/arch/powerpc/kernel/irq_64.c +++ b/arch/powerpc/kernel/irq_64.c @@ -68,16 +68,6 @@ int distribute_irqs = 1; -static inline notrace unsigned long get_irq_happened(void) -{ - unsigned long happened; - - __asm__ __volatile__("lbz %0,%1(13)" - : "=r" (happened) : "i" (offsetof(struct paca_struct, irq_happened))); - - return happened; -} - void replay_soft_interrupts(void) { struct pt_regs regs; @@ -234,7 +224,7 @@ notrace void arch_local_irq_restore(unsigned long mask) return; happened: - irq_happened = get_irq_happened(); + irq_happened = READ_ONCE(local_paca->irq_happened); if (IS_ENABLED(CONFIG_PPC_IRQ_SOFT_MASK_DEBUG)) WARN_ON_ONCE(!irq_happened); @@ -257,7 +247,7 @@ happened: * IRQ_HARD_DIS again and warn if it is still * clear. */ - irq_happened = get_irq_happened(); + irq_happened = READ_ONCE(local_paca->irq_happened); WARN_ON_ONCE(!(irq_happened & PACA_IRQ_HARD_DIS)); } } |