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From: David Matlack <dmatlack@google.com>
To: kvm-riscv@lists.infradead.org
Subject: [PATCH v7 00/23] KVM: Extend Eager Page Splitting to the shadow MMU
Date: Thu, 23 Jun 2022 23:50:45 +0000	[thread overview]
Message-ID: <YrT8Vcr2sXcm3NPB@google.com> (raw)
In-Reply-To: <20220622192710.2547152-1-pbonzini@redhat.com>

On Wed, Jun 22, 2022 at 03:26:47PM -0400, Paolo Bonzini wrote:
> For the description of the "why" of this patch, I'll just direct you to
> David's excellent cover letter from v6, which can be found at
> https://lore.kernel.org/r/20220516232138.1783324-1-dmatlack at google.com.
> 
> This version mostly does the following:
> 
> - apply the feedback from Sean and other reviewers, which is mostly
>   aesthetic
> 
> - replace the refactoring of drop_large_spte()/__drop_large_spte()
>   with my own version.  The insight there is that drop_large_spte()
>   is always followed by {,__}link_shadow_page(), so the call is
>   moved there
> 
> - split the TLB flush optimization into a separate patch, mostly
>   to perform the previous refactoring independent of the optional
>   TLB flush
> 
> - rename a few functions from *nested_mmu* to *shadow_mmu*
> 

Thanks for the v7 Paolo!


WARNING: multiple messages have this Message-ID (diff)
From: David Matlack <dmatlack@google.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org, maz@kernel.org, jiangshanlai@gmail.com,
	linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org,
	kvm-riscv@lists.infradead.org, bgardon@google.com,
	maciej.szmigiero@oracle.com, kvmarm@lists.cs.columbia.edu,
	pfeiner@google.com
Subject: Re: [PATCH v7 00/23] KVM: Extend Eager Page Splitting to the shadow MMU
Date: Thu, 23 Jun 2022 23:50:45 +0000	[thread overview]
Message-ID: <YrT8Vcr2sXcm3NPB@google.com> (raw)
In-Reply-To: <20220622192710.2547152-1-pbonzini@redhat.com>

On Wed, Jun 22, 2022 at 03:26:47PM -0400, Paolo Bonzini wrote:
> For the description of the "why" of this patch, I'll just direct you to
> David's excellent cover letter from v6, which can be found at
> https://lore.kernel.org/r/20220516232138.1783324-1-dmatlack@google.com.
> 
> This version mostly does the following:
> 
> - apply the feedback from Sean and other reviewers, which is mostly
>   aesthetic
> 
> - replace the refactoring of drop_large_spte()/__drop_large_spte()
>   with my own version.  The insight there is that drop_large_spte()
>   is always followed by {,__}link_shadow_page(), so the call is
>   moved there
> 
> - split the TLB flush optimization into a separate patch, mostly
>   to perform the previous refactoring independent of the optional
>   TLB flush
> 
> - rename a few functions from *nested_mmu* to *shadow_mmu*
> 

Thanks for the v7 Paolo!
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WARNING: multiple messages have this Message-ID (diff)
From: David Matlack <dmatlack@google.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	maz@kernel.org, anup@brainfault.org, seanjc@google.com,
	bgardon@google.com, peterx@redhat.com,
	maciej.szmigiero@oracle.com, kvmarm@lists.cs.columbia.edu,
	linux-mips@vger.kernel.org, kvm-riscv@lists.infradead.org,
	pfeiner@google.com, jiangshanlai@gmail.com
Subject: Re: [PATCH v7 00/23] KVM: Extend Eager Page Splitting to the shadow MMU
Date: Thu, 23 Jun 2022 23:50:45 +0000	[thread overview]
Message-ID: <YrT8Vcr2sXcm3NPB@google.com> (raw)
In-Reply-To: <20220622192710.2547152-1-pbonzini@redhat.com>

On Wed, Jun 22, 2022 at 03:26:47PM -0400, Paolo Bonzini wrote:
> For the description of the "why" of this patch, I'll just direct you to
> David's excellent cover letter from v6, which can be found at
> https://lore.kernel.org/r/20220516232138.1783324-1-dmatlack@google.com.
> 
> This version mostly does the following:
> 
> - apply the feedback from Sean and other reviewers, which is mostly
>   aesthetic
> 
> - replace the refactoring of drop_large_spte()/__drop_large_spte()
>   with my own version.  The insight there is that drop_large_spte()
>   is always followed by {,__}link_shadow_page(), so the call is
>   moved there
> 
> - split the TLB flush optimization into a separate patch, mostly
>   to perform the previous refactoring independent of the optional
>   TLB flush
> 
> - rename a few functions from *nested_mmu* to *shadow_mmu*
> 

Thanks for the v7 Paolo!

  parent reply	other threads:[~2022-06-23 23:50 UTC|newest]

Thread overview: 93+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-22 19:26 [PATCH v7 00/23] KVM: Extend Eager Page Splitting to the shadow MMU Paolo Bonzini
2022-06-22 19:26 ` Paolo Bonzini
2022-06-22 19:26 ` Paolo Bonzini
2022-06-22 19:26 ` [PATCH v7 01/23] KVM: x86/mmu: Optimize MMU page cache lookup for all direct SPs Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26 ` [PATCH v7 02/23] KVM: x86/mmu: Use a bool for direct Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26 ` [PATCH v7 03/23] KVM: x86/mmu: Stop passing "direct" to mmu_alloc_root() Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26 ` [PATCH v7 04/23] KVM: x86/mmu: Derive shadow MMU page role from parent Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26 ` [PATCH v7 05/23] KVM: x86/mmu: Always pass 0 for @quadrant when gptes are 8 bytes Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26 ` [PATCH v7 06/23] KVM: x86/mmu: Decompose kvm_mmu_get_page() into separate functions Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26 ` [PATCH v7 07/23] KVM: x86/mmu: Consolidate shadow page allocation and initialization Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26 ` [PATCH v7 08/23] KVM: x86/mmu: Rename shadow MMU functions that deal with shadow pages Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26 ` [PATCH v7 09/23] KVM: x86/mmu: Move guest PT write-protection to account_shadowed() Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26 ` [PATCH v7 10/23] KVM: x86/mmu: Pass memory caches to allocate SPs separately Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26 ` [PATCH v7 11/23] KVM: x86/mmu: Replace vcpu with kvm in kvm_mmu_alloc_shadow_page() Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26 ` [PATCH v7 12/23] KVM: x86/mmu: Pass kvm pointer separately from vcpu to kvm_mmu_find_shadow_page() Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:26   ` Paolo Bonzini
2022-06-22 19:27 ` [PATCH v7 13/23] KVM: x86/mmu: Allow NULL @vcpu in kvm_mmu_find_shadow_page() Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27 ` [PATCH v7 14/23] KVM: x86/mmu: Pass const memslot to rmap_add() Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27 ` [PATCH v7 15/23] KVM: x86/mmu: Decouple rmap_add() and link_shadow_page() from kvm_vcpu Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27 ` [PATCH v7 16/23] KVM: x86/mmu: Update page stats in __rmap_add() Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27 ` [PATCH v7 17/23] KVM: x86/mmu: Cache the access bits of shadowed translations Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27 ` [PATCH v7 18/23] KVM: x86/mmu: Extend make_huge_page_split_spte() for the shadow MMU Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27 ` [PATCH v7 19/23] KVM: x86/mmu: Zap collapsible SPTEs in shadow MMU at all possible levels Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-23 23:53   ` Sean Christopherson
2022-06-23 23:53     ` Sean Christopherson
2022-06-23 23:53     ` Sean Christopherson
2022-06-22 19:27 ` [PATCH v7 20/23] KVM: x86/mmu: pull call to drop_large_spte() into __link_shadow_page() Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-23 23:48   ` Sean Christopherson
2022-06-23 23:48     ` Sean Christopherson
2022-06-23 23:48     ` Sean Christopherson
2022-06-22 19:27 ` [PATCH v7 21/23] KVM: Allow for different capacities in kvm_mmu_memory_cache structs Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-29 12:34   ` Anup Patel
2022-06-29 12:34     ` Anup Patel
2022-06-29 12:34     ` Anup Patel
2022-06-22 19:27 ` [PATCH v7 22/23] KVM: x86/mmu: Extend Eager Page Splitting to nested MMUs Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-23 16:17   ` David Matlack
2022-06-23 16:17     ` David Matlack
2022-06-23 16:17     ` David Matlack
2022-06-23 19:48     ` Sean Christopherson
2022-06-23 19:48       ` Sean Christopherson
2022-06-23 19:48       ` Sean Christopherson
2022-06-23 22:36       ` David Matlack
2022-06-23 22:36         ` David Matlack
2022-06-23 22:36         ` David Matlack
2022-06-22 19:27 ` [PATCH v7 23/23] KVM: x86/mmu: Avoid unnecessary flush on eager page split Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-22 19:27   ` Paolo Bonzini
2022-06-23 23:50 ` David Matlack [this message]
2022-06-23 23:50   ` [PATCH v7 00/23] KVM: Extend Eager Page Splitting to the shadow MMU David Matlack
2022-06-23 23:50   ` David Matlack

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