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| author | Nicholas Piggin <npiggin@gmail.com> | 2021-01-30 23:08:44 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2021-02-09 00:10:49 +1100 |
| commit | 1b1b6a6f4cc0ecc27745fa578cbaf912d76dbdda (patch) | |
| tree | 97a1d775ba41dd531f4a237bef7655d4c1821b42 /arch/powerpc/kernel/traps.c | |
| parent | 6fdb0f410bb026ade092039a6c2655a53323c996 (diff) | |
| download | lwn-1b1b6a6f4cc0ecc27745fa578cbaf912d76dbdda.tar.gz lwn-1b1b6a6f4cc0ecc27745fa578cbaf912d76dbdda.zip | |
powerpc: handle irq_enter/irq_exit in interrupt handler wrappers
Move irq_enter/irq_exit into asynchronous interrupt handler wrappers.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210130130852.2952424-35-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/kernel/traps.c')
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 9c26fb41b275..13fb93a59556 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -801,7 +801,9 @@ void die_mce(const char *str, struct pt_regs *regs, long err) * do_exit() checks for in_interrupt() and panics in that case, so * exit the irq/nmi before calling die. */ - if (!IS_ENABLED(CONFIG_PPC_BOOK3S_64)) + if (IS_ENABLED(CONFIG_PPC_BOOK3S_64)) + irq_exit(); + else nmi_exit(); die(str, regs, err); } @@ -1061,7 +1063,6 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(handle_hmi_exception) struct pt_regs *old_regs; old_regs = set_irq_regs(regs); - irq_enter(); #ifdef CONFIG_VSX /* Real mode flagged P9 special emu is needed */ @@ -1081,7 +1082,6 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(handle_hmi_exception) if (ppc_md.handle_hmi_exception) ppc_md.handle_hmi_exception(regs); - irq_exit(); set_irq_regs(old_regs); } @@ -1907,13 +1907,9 @@ DEFINE_INTERRUPT_HANDLER_NMI(performance_monitor_exception_nmi) DECLARE_INTERRUPT_HANDLER_ASYNC(performance_monitor_exception_async); DEFINE_INTERRUPT_HANDLER_ASYNC(performance_monitor_exception_async) { - irq_enter(); - __this_cpu_inc(irq_stat.pmu_irqs); perf_irq(regs); - - irq_exit(); } DEFINE_INTERRUPT_HANDLER_RAW(performance_monitor_exception) |