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We've observed crashes due to an empty cpu mask in hyperv_flush_tlb_others. Obviously the cpu mask in question is changed between the cpumask_empty call at the beginning of the function and when it is actually used later. One theory is that an interrupt comes in between and a code path ends up changing the mask. Move the check after interrupt has been disabled to see if it fixes the issue. Signed-off-by: Wei Liu <wei.liu@kernel.org> Cc: stable@kernel.org Link: https://lore.kernel.org/r/20210105175043.28325-1-wei.liu@kernel.org Reviewed-by: Michael Kelley <mikelley@microsoft.com> |
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| .. | ||
| hv_apic.c | ||
| hv_init.c | ||
| hv_spinlock.c | ||
| Makefile | ||
| mmu.c | ||
| nested.c | ||