From: Vladimir Murzin <vladimir.murzin@arm.com>
To: Will Deacon <will@kernel.org>,
Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>
Cc: "jean-philippe@linaro.org" <jean-philippe@linaro.org>,
"maz@kernel.org" <maz@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Linuxarm <linuxarm@huawei.com>,
"catalin.marinas@arm.com" <catalin.marinas@arm.com>,
"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2 3/3] kvm/arm: Align the VMID allocation with the arm64 ASID one
Date: Thu, 22 Jul 2021 16:22:26 +0100 [thread overview]
Message-ID: <43b32e77-52b1-8524-63a1-c99578c2dd1d@arm.com> (raw)
In-Reply-To: <20210722095010.GA12012@willie-the-truck>
On 7/22/21 10:50 AM, Will Deacon wrote:
> As an aside: I'm more and more inclined to rip out the CnP stuff given
> that it doesn't appear to being any benefits, but does have some clear
> downsides. Perhaps something for next week.
Can you please clarify what do you mean by "it doesn't appear to being any
benefits"? IIRC, Cortex-A65 implements CnP hint and I've heard that some
payloads seen improvement...
Cheers
Vladimir
next prev parent reply other threads:[~2021-07-22 15:22 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-16 15:56 [PATCH v2 0/3] kvm/arm: New VMID allocator based on asid Shameer Kolothum
2021-06-16 15:56 ` [PATCH v2 1/3] arch/arm64: Introduce a capability to tell whether 16-bit VMID is available Shameer Kolothum
2021-07-21 15:23 ` Will Deacon
2021-07-22 6:24 ` Shameerali Kolothum Thodi
2021-06-16 15:56 ` [PATCH v2 2/3] kvm/arm: Introduce a new vmid allocator for KVM Shameer Kolothum
2021-07-21 16:06 ` Will Deacon
2021-07-22 6:34 ` Shameerali Kolothum Thodi
2021-06-16 15:56 ` [PATCH v2 3/3] kvm/arm: Align the VMID allocation with the arm64 ASID one Shameer Kolothum
2021-07-21 16:31 ` Will Deacon
2021-07-22 6:45 ` Shameerali Kolothum Thodi
2021-07-22 9:11 ` Quentin Perret
2021-07-22 19:33 ` Marco Elver
2021-07-22 9:50 ` Will Deacon
2021-07-22 15:22 ` Vladimir Murzin [this message]
2021-07-22 15:38 ` Will Deacon
2021-07-23 15:49 ` Vladimir Murzin
2021-07-13 7:07 ` [PATCH v2 0/3] kvm/arm: New VMID allocator based on asid Shameerali Kolothum Thodi
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