Re: [PATCH AUTOSEL for 4.9 173/293] MIPS: Handle tlbex-tlbp race condition

On Mon, Apr 09, 2018 at 12:25:09AM +, Sasha Levin wrote: > From: Paul Burton > > [ Upstream commit f39878cc5b09c75d35eaf52131e920b872e3feb4 ] > > In systems where there are multiple actors updating the TLB, the > potential exists for a race condition wherein a CPU hits a TLB exception > but

[PATCH AUTOSEL for 4.9 173/293] MIPS: Handle tlbex-tlbp race condition

From: Paul Burton [ Upstream commit f39878cc5b09c75d35eaf52131e920b872e3feb4 ] In systems where there are multiple actors updating the TLB, the potential exists for a race condition wherein a CPU hits a TLB exception but by the time it reaches a TLBP instruction the affected TLB entry may have b