diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2022-05-18 10:48:55 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-06-29 08:57:25 +0200 |
| commit | 077fc62b2b66a95af43dbb363fb8e932999812d3 (patch) | |
| tree | 1a60340d77dc7603a0066279dcb961c3cabc4422 | |
| parent | powerpc/irq: Replace #ifdefs by IS_ENABLED() (diff) | |
| download | linux-077fc62b2b66a95af43dbb363fb8e932999812d3.tar.xz linux-077fc62b2b66a95af43dbb363fb8e932999812d3.zip | |
powerpc/irq: remove inline assembly in hard_irq_disable macro
Use WRITE_ONCE() instead of opencoding the saving of current
stack pointeur.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/9f05937d8722ddd2064a7c2362d8f9000e15e1ba.1652863723.git.christophe.leroy@csgroup.eu
| -rw-r--r-- | arch/powerpc/include/asm/hw_irq.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h index 6efab00aa1c8..26ede09c521d 100644 --- a/arch/powerpc/include/asm/hw_irq.h +++ b/arch/powerpc/include/asm/hw_irq.h @@ -282,9 +282,7 @@ static inline bool pmi_irq_pending(void) flags = irq_soft_mask_set_return(IRQS_ALL_DISABLED); \ local_paca->irq_happened |= PACA_IRQ_HARD_DIS; \ if (!arch_irqs_disabled_flags(flags)) { \ - asm ("stdx %%r1, 0, %1 ;" \ - : "=m" (local_paca->saved_r1) \ - : "b" (&local_paca->saved_r1)); \ + WRITE_ONCE(local_paca->saved_r1, current_stack_pointer);\ trace_hardirqs_off(); \ } \ } while(0) |