diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2020-09-15 21:46:49 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-10-06 23:22:24 +1100 |
| commit | 455575533c7aa294d3c0284d59a77ae9a60c0537 (patch) | |
| tree | c9d1d8199eebd8960d57f2ae864a6f93183ac97f | |
| parent | 903dd1ff453e458fc7608ee4df42a6df16d3d1a0 (diff) | |
powerpc/64: make restore_interrupts 64e only
This is not used by 64s.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200915114650.3980244-5-npiggin@gmail.com
| -rw-r--r-- | arch/powerpc/kernel/irq.c | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index b725509f9073..631e6d236c97 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -191,6 +191,25 @@ notrace unsigned int __check_irq_replay(void) return 0; } + +/* + * This is specifically called by assembly code to re-enable interrupts + * if they are currently disabled. This is typically called before + * schedule() or do_signal() when returning to userspace. We do it + * in C to avoid the burden of dealing with lockdep etc... + * + * NOTE: This is called with interrupts hard disabled but not marked + * as such in paca->irq_happened, so we need to resync this. + */ +void notrace restore_interrupts(void) +{ + if (irqs_disabled()) { + local_paca->irq_happened |= PACA_IRQ_HARD_DIS; + local_irq_enable(); + } else + __hard_irq_enable(); +} + #endif /* CONFIG_PPC_BOOK3E */ void replay_soft_interrupts(void) @@ -365,24 +384,6 @@ notrace void arch_local_irq_restore(unsigned long mask) EXPORT_SYMBOL(arch_local_irq_restore); /* - * This is specifically called by assembly code to re-enable interrupts - * if they are currently disabled. This is typically called before - * schedule() or do_signal() when returning to userspace. We do it - * in C to avoid the burden of dealing with lockdep etc... - * - * NOTE: This is called with interrupts hard disabled but not marked - * as such in paca->irq_happened, so we need to resync this. - */ -void notrace restore_interrupts(void) -{ - if (irqs_disabled()) { - local_paca->irq_happened |= PACA_IRQ_HARD_DIS; - local_irq_enable(); - } else - __hard_irq_enable(); -} - -/* * This is a helper to use when about to go into idle low-power * when the latter has the side effect of re-enabling interrupts * (such as calling H_CEDE under pHyp). |