From: Marc Zyngier <maz@kernel.org>
To: linux-kernel@vger.kernel.org,
Alexandru Elisei <alexandru.elisei@arm.com>,
Will Deacon <will@kernel.org>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org,
Yanan Wang <wangyanan55@huawei.com>,
Quentin Perret <qperret@google.com>
Cc: Julien Thierry <julien.thierry.kdev@gmail.com>,
zhukeqian1@huawei.com, yuzenghui@huawei.com,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Gavin Shan <gshan@redhat.com>,
Catalin Marinas <catalin.marinas@arm.com>,
James Morse <james.morse@arm.com>,
wanghaibin.wang@huawei.com
Subject: Re: [PATCH v7 0/4] KVM: arm64: Improve efficiency of stage2 page table
Date: Fri, 18 Jun 2021 12:38:27 +0100 [thread overview]
Message-ID: <162401627606.3015641.17627283030372951514.b4-ty@kernel.org> (raw)
In-Reply-To: <20210617105824.31752-1-wangyanan55@huawei.com>
On Thu, 17 Jun 2021 18:58:20 +0800, Yanan Wang wrote:
> This series makes some efficiency improvement of guest stage-2 page
> table code, and there are some test results to quantify the benefit.
>
> Description for this series:
> 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 are
> necessary while the others later are not.
>
> [...]
Applied to next, thanks!
[1/4] KVM: arm64: Introduce two cache maintenance callbacks
commit: 6204004de3160900435bdb4b9a2fb8749a9277d2
[2/4] KVM: arm64: Introduce mm_ops member for structure stage2_attr_data
commit: a4d5ca5c7cd8fe85056b8cb838fbcb7e5a05f356
[3/4] KVM: arm64: Tweak parameters of guest cache maintenance functions
commit: 378e6a9c78a02b4b609846aa0afccf34d3038977
[4/4] KVM: arm64: Move guest CMOs to the fault handlers
commit: 25aa28691bb960a76f0cffd8862144a29487f6ff
Cheers,
M.
--
Without deviation from the norm, progress is not possible.
prev parent reply other threads:[~2021-06-18 11:38 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-17 10:58 [PATCH v7 0/4] KVM: arm64: Improve efficiency of stage2 page table Yanan Wang
2021-06-17 10:58 ` [PATCH v7 1/4] KVM: arm64: Introduce two cache maintenance callbacks Yanan Wang
2021-06-17 12:38 ` Will Deacon
2021-06-17 14:20 ` Marc Zyngier
2021-06-18 1:52 ` wangyanan (Y)
2021-06-18 8:59 ` Fuad Tabba
2021-06-18 11:10 ` Marc Zyngier
2021-06-17 10:58 ` [PATCH v7 2/4] KVM: arm64: Introduce mm_ops member for structure stage2_attr_data Yanan Wang
2021-06-18 9:29 ` Fuad Tabba
2021-06-17 10:58 ` [PATCH v7 3/4] KVM: arm64: Tweak parameters of guest cache maintenance functions Yanan Wang
2021-06-18 9:29 ` Fuad Tabba
[not found] ` <87czsjcsv8.wl-maz@kernel.org>
2021-06-18 13:14 ` wangyanan (Y)
2021-06-17 10:58 ` [PATCH v7 4/4] KVM: arm64: Move guest CMOs to the fault handlers Yanan Wang
2021-06-17 12:45 ` Will Deacon
2021-06-17 12:59 ` Marc Zyngier
2021-06-17 13:21 ` Will Deacon
2021-06-17 13:37 ` Marc Zyngier
2021-06-18 9:30 ` Fuad Tabba
2021-06-18 11:38 ` Marc Zyngier [this message]
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