Attempt to allocate a new object instead of crashing KVM (and likely the
kernel) if a memory cache is unexpectedly empty. Use GFP_ATOMIC for the
allocation as the caches are used while holding mmu_lock. The immediate
BUG_ON() makes the code unnecessarily explosive and led to confusing
minimums be
On Mon, Jun 22, 2020 at 1:09 PM Sean Christopherson
wrote:
>
> Attempt to allocate a new object instead of crashing KVM (and likely the
> kernel) if a memory cache is unexpectedly empty. Use GFP_ATOMIC for the
> allocation as the caches are used while holding mmu_lock. The immediate
> BUG_ON() m