[PATCH] KVM: arm64: Release mmap_lock when using VM_SHARED with MTE

Marc Zyngier maz at kernel.org
Tue Oct 5 05:23:28 PDT 2021


On Tue, 5 Oct 2021 13:20:31 +0100, Quentin Perret wrote:
> VM_SHARED mappings are currently forbidden in a memslot with MTE to
> prevent two VMs racing to sanitise the same page. However, this check
> is performed while holding current->mm's mmap_lock, but fails to release
> it. Fix this by releasing the lock when needed.

Applied to fixes, thanks!

[1/1] KVM: arm64: Release mmap_lock when using VM_SHARED with MTE
      commit: 6e6a8ef088e1222cb1250942f51ad9c1ab219ab2

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.





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