Benjamin Herrenschmidt [b...@kernel.crashing.org] wrote: | So we have another case of paca->irq_happened getting out of | sync with the HW irq state. This can happen when a perfmon | interrupt occurs while soft disabled, as it will return to a | soft disabled but hard enabled context while leaving a stale | PACA_IRQ_HARD_DIS flag set. | | This patch fixes it, and also adds a test for the condition | of those flags being out of sync in arch_local_irq_restore() | when CONFIG_TRACE_IRQFLAGS is enabled. | | This helps catching those gremlins faster (and so far I | can't seem see any anymore, so that's good news). | | Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org> | --- | | Please test ASAP as I need to send that to Linus today
Works for me. I was able to run my script over a 100 times. Without the patch, it fails reliably first or second attempt. Thanks for fixing it quickly. Sukadev _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
