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From: Marc Zyngier <maz@kernel.org>
To: Will Deacon <will@kernel.org>
Cc: kernel-team@android.com, kvmarm@lists.cs.columbia.edu,
Subject: Re: [PATCH 0/3] KVM: arm64: Clean up memcache usage for page-table pages
Date: Mon, 27 Jul 2020 09:45:39 +0100
Message-ID: <ae7caba0eb8ab45db3aa4ae7f97820a3@kernel.org> (raw)
In-Reply-To: <20200723110227.16001-1-will@kernel.org>

Hi Will,

On 2020-07-23 12:02, Will Deacon wrote:
> Hi all,
> Here are some small cleanups I made to the memcache logic while hacking 
> on the
> page-table code. The ioremap() behaviour looks like a bug to me, 
> although it's
> just a performance thing so nothing urgent.
> Cheers,
> Will
> --->8
> Will Deacon (3):
>   KVM: arm64: Don't free memcache pages in kvm_phys_addr_ioremap()
>   KVM: arm64: Simplify mmu_topup_memory_cache()
>   KVM: arm64: Remove mmu_free_memory_cache()
>  arch/arm64/kvm/mmu.c | 34 ++++++++++++++--------------------
>  1 file changed, 14 insertions(+), 20 deletions(-)

Although I'm OK with this series, it conflicts with the changes
Sean did on the MMU memory cache in the core code, which also
affects arm64.

I guess I'll queue patch 1 and 3 as fixes post -rc1. Patch 2 doesn't
seem to make sense anymore in that context.


Jazz is not dead. It just smells funny...
kvmarm mailing list

  parent reply index

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-23 11:02 Will Deacon
2020-07-23 11:02 ` [PATCH 1/3] KVM: arm64: Don't free memcache pages in kvm_phys_addr_ioremap() Will Deacon
2020-07-23 11:02 ` [PATCH 2/3] KVM: arm64: Simplify mmu_topup_memory_cache() Will Deacon
2020-07-23 11:02 ` [PATCH 3/3] KVM: arm64: Remove mmu_free_memory_cache() Will Deacon
2020-07-27  8:45 ` Marc Zyngier [this message]
2020-07-27 10:38   ` [PATCH 0/3] KVM: arm64: Clean up memcache usage for page-table pages Will Deacon

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