[PATCH] KVM: arm64: nv: Hold mmu_lock when invalidating VNCR SW-TLB before translating

[Marc Zyngier]

On Tue, 20 May 2025 15:41:16 +0100, Marc Zyngier wrote:
> When translating a VNCR translation fault, we start by marking the
> current SW-managed TLB as invalid, so that we can populate it
> in place. This is, however, done without the mmu_lock held.
> 
> A consequence of this is that another CPU dealing with TLBI
> emulation can observe a translation still flagged as valid, but
> with invalid walk results (such as pgshift being 0). Bad things
> can result from this, such as a BUG() in pgshift_level_to_ttl().
> 
> [...]

Applied to next, thanks!

[1/1] KVM: arm64: nv: Hold mmu_lock when invalidating VNCR SW-TLB before translating
      commit: d43548f422f27219eff5ce1897336af2c4f15091

Cheers,

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