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| author | Jani Nikula <jani.nikula@intel.com> | 2017-09-04 21:40:34 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2017-09-04 21:40:34 +0300 |
| commit | d149d6ae17197ce23e2cd6bc5fcdacf7b593e55e (patch) | |
| tree | 2fb8d66199080f6d7b41690f6e8616ccd79a1943 /arch/powerpc/kernel/irq.c | |
| parent | afe722bee4bf8afc88c6ff7d6f781515d9428595 (diff) | |
| parent | 7846b12fe0b5feab5446d892f41b5140c1419109 (diff) | |
| download | linux-d149d6ae17197ce23e2cd6bc5fcdacf7b593e55e.tar.bz2 | |
Merge drm-upstream/drm-next into drm-intel-next-queued
Catch up with upstream while it's easy.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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 */ |