Re: [RFC PATCH v3 1/2] KVM: arm64: Move CMOs from user_mem_abort to the fault handlers
From: Will Deacon <will@kernel.org>
Date: 2021-04-07 20:57:10
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kvm, kvmarm, lkml
On Wed, Apr 07, 2021 at 04:31:31PM +0100, Alexandru Elisei wrote:
On 3/26/21 3:16 AM, Yanan Wang wrote:quoted
We currently uniformly permorm CMOs of D-cache and I-cache in function user_mem_abort before calling the fault handlers. If we get concurrent guest faults(e.g. translation faults, permission faults) or some really unnecessary guest faults caused by BBM, CMOs for the first vcpu areI can't figure out what BBM means.
Oh, I know that one! BBM means "Break Before Make". Not to be confused with DBM (Dirty Bit Management) or BFM (Bit Field Move). Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel