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| author | Mark Brown <broonie@kernel.org> | 2017-08-30 23:15:31 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-08-30 23:15:31 +0200 |
| commit | b388dc1f62a9bdd9c4758a0664e61d0f9a9da519 (patch) | |
| tree | 696fd3c245700ee59ebcf3a65b90f8773b904624 /arch/powerpc/kernel/irq.c | |
| parent | ASoC: remove duplicate definition of dapm_routes/num_dapm_routes (diff) | |
| parent | Linux 4.13-rc7 (diff) | |
| download | linux-b388dc1f62a9bdd9c4758a0664e61d0f9a9da519.tar.xz linux-b388dc1f62a9bdd9c4758a0664e61d0f9a9da519.zip | |
Merge tag 'v4.13-rc7' into asoc-component
Linux 4.13-rc7
Diffstat (limited to 'arch/powerpc/kernel/irq.c')
| -rw-r--r-- | arch/powerpc/kernel/irq.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 0bcec745a672..f291f7826abc 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -145,6 +145,19 @@ notrace unsigned int __check_irq_replay(void) /* Clear bit 0 which we wouldn't clear otherwise */ local_paca->irq_happened &= ~PACA_IRQ_HARD_DIS; + if (happened & PACA_IRQ_HARD_DIS) { + /* + * We may have missed a decrementer interrupt if hard disabled. + * Check the decrementer register in case we had a rollover + * while hard disabled. + */ + if (!(happened & PACA_IRQ_DEC)) { + if (decrementer_check_overflow()) { + local_paca->irq_happened |= PACA_IRQ_DEC; + happened |= PACA_IRQ_DEC; + } + } + } /* * Force the delivery of pending soft-disabled interrupts on PS3. @@ -170,7 +183,7 @@ notrace unsigned int __check_irq_replay(void) * in case we also had a rollover while hard disabled */ local_paca->irq_happened &= ~PACA_IRQ_DEC; - if ((happened & PACA_IRQ_DEC) || decrementer_check_overflow()) + if (happened & PACA_IRQ_DEC) return 0x900; /* Finally check if an external interrupt happened */ |