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From: Marc Zyngier <maz@kernel.org>
To: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org,
	linux-mm@kvack.org, kvmarm@lists.cs.columbia.edu,
	Marc Zyngier <maz@kernel.org>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>,
	kernel-team@android.com, Paolo Bonzini <pbonzini@redhat.com>,
	Quentin Perret <qperret@google.com>,
	Alexandru Elisei <alexandru.elisei@arm.com>,
	James Morse <james.morse@arm.com>, Will Deacon <will@kernel.org>,
	Sean Christopherson <seanjc@google.com>,
	Matthew Wilcox <willy@infradead.org>
Subject: Re: [PATCH v2 0/6] KVM: Remove kvm_is_transparent_hugepage() and friends
Date: Mon,  2 Aug 2021 14:39:51 +0100	[thread overview]
Message-ID: <162791157466.3441503.3535158079584793741.b4-ty@kernel.org> (raw)
In-Reply-To: <20210726153552.1535838-1-maz@kernel.org>

On Mon, 26 Jul 2021 16:35:46 +0100, Marc Zyngier wrote:
> A while ago, Willy and Sean pointed out[0] that arm64 is the last user
> of kvm_is_transparent_hugepage(), and that there would actually be
> some benefit in looking at the userspace mapping directly instead.
> 
> This small series does exactly that, although it doesn't try to
> support more than a PMD-sized mapping yet for THPs. We could probably
> look into unifying this with the huge PUD code, and there is still
> some potential use of the contiguous hint.
> 
> [...]

Applied to next, thanks!

[1/6] KVM: arm64: Introduce helper to retrieve a PTE and its level
      commit: 63db506e07622c344a3c748a1c06293d48780f83
[2/6] KVM: arm64: Walk userspace page tables to compute the THP mapping size
      commit: 6011cf68c88545e16cb32039c2cecfdae6a32315
[3/6] KVM: arm64: Avoid mapping size adjustment on permission fault
      commit: f2cc327303b13a70311e823bd52aa0bca8c7ddbc
[4/6] KVM: Remove kvm_is_transparent_hugepage() and PageTransCompoundMap()
      commit: 205d76ff0684a0b4fe3ff3a283d143a47439d191
[5/6] KVM: arm64: Use get_page() instead of kvm_get_pfn()
      commit: 0fe49630101b3ce23bd21a2788440ac719ec868a
[6/6] KVM: Get rid of kvm_get_pfn()
      commit: 36c3ce6c0d03a6c9992c3359f879cdc70fde836a

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.



WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org>
To: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org,
	linux-mm@kvack.org, kvmarm@lists.cs.columbia.edu,
	Marc Zyngier <maz@kernel.org>
Cc: Will Deacon <will@kernel.org>,
	Matthew Wilcox <willy@infradead.org>,
	Sean Christopherson <seanjc@google.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	kernel-team@android.com
Subject: Re: [PATCH v2 0/6] KVM: Remove kvm_is_transparent_hugepage() and friends
Date: Mon,  2 Aug 2021 14:39:51 +0100	[thread overview]
Message-ID: <162791157466.3441503.3535158079584793741.b4-ty@kernel.org> (raw)
In-Reply-To: <20210726153552.1535838-1-maz@kernel.org>

On Mon, 26 Jul 2021 16:35:46 +0100, Marc Zyngier wrote:
> A while ago, Willy and Sean pointed out[0] that arm64 is the last user
> of kvm_is_transparent_hugepage(), and that there would actually be
> some benefit in looking at the userspace mapping directly instead.
> 
> This small series does exactly that, although it doesn't try to
> support more than a PMD-sized mapping yet for THPs. We could probably
> look into unifying this with the huge PUD code, and there is still
> some potential use of the contiguous hint.
> 
> [...]

Applied to next, thanks!

[1/6] KVM: arm64: Introduce helper to retrieve a PTE and its level
      commit: 63db506e07622c344a3c748a1c06293d48780f83
[2/6] KVM: arm64: Walk userspace page tables to compute the THP mapping size
      commit: 6011cf68c88545e16cb32039c2cecfdae6a32315
[3/6] KVM: arm64: Avoid mapping size adjustment on permission fault
      commit: f2cc327303b13a70311e823bd52aa0bca8c7ddbc
[4/6] KVM: Remove kvm_is_transparent_hugepage() and PageTransCompoundMap()
      commit: 205d76ff0684a0b4fe3ff3a283d143a47439d191
[5/6] KVM: arm64: Use get_page() instead of kvm_get_pfn()
      commit: 0fe49630101b3ce23bd21a2788440ac719ec868a
[6/6] KVM: Get rid of kvm_get_pfn()
      commit: 36c3ce6c0d03a6c9992c3359f879cdc70fde836a

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.


_______________________________________________
kvmarm mailing list
kvmarm@lists.cs.columbia.edu
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm

WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org>
To: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org,
	linux-mm@kvack.org, kvmarm@lists.cs.columbia.edu,
	Marc Zyngier <maz@kernel.org>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>,
	kernel-team@android.com, Paolo Bonzini <pbonzini@redhat.com>,
	Quentin Perret <qperret@google.com>,
	Alexandru Elisei <alexandru.elisei@arm.com>,
	James Morse <james.morse@arm.com>, Will Deacon <will@kernel.org>,
	Sean Christopherson <seanjc@google.com>,
	Matthew Wilcox <willy@infradead.org>
Subject: Re: [PATCH v2 0/6] KVM: Remove kvm_is_transparent_hugepage() and friends
Date: Mon,  2 Aug 2021 14:39:51 +0100	[thread overview]
Message-ID: <162791157466.3441503.3535158079584793741.b4-ty@kernel.org> (raw)
In-Reply-To: <20210726153552.1535838-1-maz@kernel.org>

On Mon, 26 Jul 2021 16:35:46 +0100, Marc Zyngier wrote:
> A while ago, Willy and Sean pointed out[0] that arm64 is the last user
> of kvm_is_transparent_hugepage(), and that there would actually be
> some benefit in looking at the userspace mapping directly instead.
> 
> This small series does exactly that, although it doesn't try to
> support more than a PMD-sized mapping yet for THPs. We could probably
> look into unifying this with the huge PUD code, and there is still
> some potential use of the contiguous hint.
> 
> [...]

Applied to next, thanks!

[1/6] KVM: arm64: Introduce helper to retrieve a PTE and its level
      commit: 63db506e07622c344a3c748a1c06293d48780f83
[2/6] KVM: arm64: Walk userspace page tables to compute the THP mapping size
      commit: 6011cf68c88545e16cb32039c2cecfdae6a32315
[3/6] KVM: arm64: Avoid mapping size adjustment on permission fault
      commit: f2cc327303b13a70311e823bd52aa0bca8c7ddbc
[4/6] KVM: Remove kvm_is_transparent_hugepage() and PageTransCompoundMap()
      commit: 205d76ff0684a0b4fe3ff3a283d143a47439d191
[5/6] KVM: arm64: Use get_page() instead of kvm_get_pfn()
      commit: 0fe49630101b3ce23bd21a2788440ac719ec868a
[6/6] KVM: Get rid of kvm_get_pfn()
      commit: 36c3ce6c0d03a6c9992c3359f879cdc70fde836a

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.



_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2021-08-02 13:40 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-26 15:35 [PATCH v2 0/6] KVM: Remove kvm_is_transparent_hugepage() and friends Marc Zyngier
2021-07-26 15:35 ` Marc Zyngier
2021-07-26 15:35 ` Marc Zyngier
2021-07-26 15:35 ` [PATCH v2 1/6] KVM: arm64: Introduce helper to retrieve a PTE and its level Marc Zyngier
2021-07-26 15:35   ` Marc Zyngier
2021-07-26 15:35   ` Marc Zyngier
2021-07-27 10:29   ` Quentin Perret
2021-07-27 10:29     ` Quentin Perret
2021-07-27 10:29     ` Quentin Perret
2021-07-27 15:25   ` Alexandru Elisei
2021-07-27 15:25     ` Alexandru Elisei
2021-07-27 15:25     ` Alexandru Elisei
2021-07-28 12:17     ` Marc Zyngier
2021-07-28 12:17       ` Marc Zyngier
2021-07-28 12:17       ` Marc Zyngier
2021-07-26 15:35 ` [PATCH v2 2/6] KVM: arm64: Walk userspace page tables to compute the THP mapping size Marc Zyngier
2021-07-26 15:35   ` Marc Zyngier
2021-07-26 15:35   ` Marc Zyngier
2021-07-27 15:55   ` Alexandru Elisei
2021-07-27 15:55     ` Alexandru Elisei
2021-07-27 15:55     ` Alexandru Elisei
2021-07-26 15:35 ` [PATCH v2 3/6] KVM: arm64: Avoid mapping size adjustment on permission fault Marc Zyngier
2021-07-26 15:35   ` Marc Zyngier
2021-07-26 15:35   ` Marc Zyngier
2021-07-27 16:00   ` Alexandru Elisei
2021-07-27 16:00     ` Alexandru Elisei
2021-07-27 16:00     ` Alexandru Elisei
2021-07-26 15:35 ` [PATCH v2 4/6] KVM: Remove kvm_is_transparent_hugepage() and PageTransCompoundMap() Marc Zyngier
2021-07-26 15:35   ` Marc Zyngier
2021-07-26 15:35   ` Marc Zyngier
2021-07-26 15:35 ` [PATCH v2 5/6] KVM: arm64: Use get_page() instead of kvm_get_pfn() Marc Zyngier
2021-07-26 15:35   ` Marc Zyngier
2021-07-26 15:35   ` Marc Zyngier
2021-07-27 17:46   ` Alexandru Elisei
2021-07-27 17:46     ` Alexandru Elisei
2021-07-27 17:46     ` Alexandru Elisei
2021-07-26 15:35 ` [PATCH v2 6/6] KVM: Get rid " Marc Zyngier
2021-07-26 15:35   ` Marc Zyngier
2021-07-26 15:35   ` Marc Zyngier
2021-08-02 13:39 ` Marc Zyngier [this message]
2021-08-02 13:39   ` [PATCH v2 0/6] KVM: Remove kvm_is_transparent_hugepage() and friends Marc Zyngier
2021-08-02 13:39   ` Marc Zyngier

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