From: Alexandru Elisei <alexandru.elisei@arm.com>
To: Will Deacon <will@kernel.org>, kvmarm@lists.cs.columbia.edu
Cc: Marc Zyngier <maz@kernel.org>,
kernel-team@android.com, linux-arm-kernel@lists.infradead.org,
Catalin Marinas <catalin.marinas@arm.com>
Subject: Re: [PATCH v3 00/21] KVM: arm64: Rewrite page-table code and fault handling
Date: Thu, 27 Aug 2020 17:26:01 +0100 [thread overview]
Message-ID: <2281278d-03fe-d824-2a51-b494417f7c8b@arm.com> (raw)
In-Reply-To: <20200825093953.26493-1-will@kernel.org>
Hi Will,
I've been looking into pinning guest memory for KVM SPE, so I like to think that
the stage 2 page table code is not entirely alien to me. I'll do my best to review
the series, I hope you'll find it useful.
Thanks,
Alex
On 8/25/20 10:39 AM, Will Deacon wrote:
> Hello folks,
>
> This is version three of the KVM page-table rework that I previously posted
> here:
>
> v1: https://lore.kernel.org/r/20200730153406.25136-1-will@kernel.org
> v2: https://lore.kernel.org/r/20200818132818.16065-1-will@kernel.org
>
> Changes since v2 include:
>
> * Rebased onto -rc2, which includes the conflicting OOM blocking fixes
> * Dropped the patch trying to "fix" the memcache in kvm_phys_addr_ioremap()
>
> Cheers,
>
> Will
>
> Cc: Marc Zyngier <maz@kernel.org>
> Cc: Quentin Perret <qperret@google.com>
> Cc: James Morse <james.morse@arm.com>
> Cc: Suzuki Poulose <suzuki.poulose@arm.com>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Gavin Shan <gshan@redhat.com>
> Cc: kernel-team@android.com
> Cc: linux-arm-kernel@lists.infradead.org
>
> --->8
>
> Quentin Perret (4):
> KVM: arm64: Add support for stage-2 write-protect in generic
> page-table
> KVM: arm64: Convert write-protect operation to generic page-table API
> KVM: arm64: Add support for stage-2 cache flushing in generic
> page-table
> KVM: arm64: Convert memslot cache-flushing code to generic page-table
> API
>
> Will Deacon (17):
> KVM: arm64: Remove kvm_mmu_free_memory_caches()
> KVM: arm64: Add stand-alone page-table walker infrastructure
> KVM: arm64: Add support for creating kernel-agnostic stage-1 page
> tables
> KVM: arm64: Use generic allocator for hyp stage-1 page-tables
> KVM: arm64: Add support for creating kernel-agnostic stage-2 page
> tables
> KVM: arm64: Add support for stage-2 map()/unmap() in generic
> page-table
> KVM: arm64: Convert kvm_phys_addr_ioremap() to generic page-table API
> KVM: arm64: Convert kvm_set_spte_hva() to generic page-table API
> KVM: arm64: Convert unmap_stage2_range() to generic page-table API
> KVM: arm64: Add support for stage-2 page-aging in generic page-table
> KVM: arm64: Convert page-aging and access faults to generic page-table
> API
> KVM: arm64: Add support for relaxing stage-2 perms in generic
> page-table code
> KVM: arm64: Convert user_mem_abort() to generic page-table API
> KVM: arm64: Check the pgt instead of the pgd when modifying page-table
> KVM: arm64: Remove unused page-table code
> KVM: arm64: Remove unused 'pgd' field from 'struct kvm_s2_mmu'
> KVM: arm64: Don't constrain maximum IPA size based on host
> configuration
>
> arch/arm64/include/asm/kvm_host.h | 2 +-
> arch/arm64/include/asm/kvm_mmu.h | 221 +---
> arch/arm64/include/asm/kvm_pgtable.h | 279 ++++
> arch/arm64/include/asm/pgtable-hwdef.h | 23 -
> arch/arm64/include/asm/pgtable-prot.h | 19 -
> arch/arm64/include/asm/stage2_pgtable.h | 215 ----
> arch/arm64/kvm/arm.c | 2 +-
> arch/arm64/kvm/hyp/Makefile | 2 +-
> arch/arm64/kvm/hyp/pgtable.c | 860 +++++++++++++
> arch/arm64/kvm/mmu.c | 1566 +++--------------------
> arch/arm64/kvm/reset.c | 38 +-
> 11 files changed, 1326 insertions(+), 1901 deletions(-)
> create mode 100644 arch/arm64/include/asm/kvm_pgtable.h
> create mode 100644 arch/arm64/kvm/hyp/pgtable.c
>
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next prev parent reply other threads:[~2020-08-27 16:25 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-25 9:39 [PATCH v3 00/21] KVM: arm64: Rewrite page-table code and fault handling Will Deacon
2020-08-25 9:39 ` [PATCH v3 01/21] KVM: arm64: Remove kvm_mmu_free_memory_caches() Will Deacon
2020-08-25 9:39 ` [PATCH v3 02/21] KVM: arm64: Add stand-alone page-table walker infrastructure Will Deacon
2020-08-27 16:27 ` Alexandru Elisei
2020-08-28 15:43 ` Alexandru Elisei
2020-09-02 10:36 ` Will Deacon
2020-08-28 15:51 ` Alexandru Elisei
2020-09-02 10:49 ` Will Deacon
2020-09-02 6:31 ` Gavin Shan
2020-09-02 11:02 ` Will Deacon
2020-09-03 1:11 ` Gavin Shan
2020-08-25 9:39 ` [PATCH v3 03/21] KVM: arm64: Add support for creating kernel-agnostic stage-1 page tables Will Deacon
2020-08-28 15:35 ` Alexandru Elisei
2020-09-02 10:06 ` Will Deacon
2020-08-25 9:39 ` [PATCH v3 04/21] KVM: arm64: Use generic allocator for hyp stage-1 page-tables Will Deacon
2020-08-28 16:32 ` Alexandru Elisei
2020-09-02 11:35 ` Will Deacon
2020-09-02 14:48 ` Alexandru Elisei
2020-08-25 9:39 ` [PATCH v3 05/21] KVM: arm64: Add support for creating kernel-agnostic stage-2 page tables Will Deacon
2020-09-02 6:40 ` Gavin Shan
2020-09-02 11:30 ` Will Deacon
2020-08-25 9:39 ` [PATCH v3 06/21] KVM: arm64: Add support for stage-2 map()/unmap() in generic page-table Will Deacon
2020-09-01 16:24 ` Alexandru Elisei
2020-09-02 11:46 ` Will Deacon
2020-09-03 2:57 ` Gavin Shan
2020-09-03 5:27 ` Gavin Shan
2020-09-03 11:18 ` Gavin Shan
2020-09-03 12:30 ` Will Deacon
2020-09-03 16:15 ` Will Deacon
2020-09-04 0:47 ` Gavin Shan
2020-08-25 9:39 ` [PATCH v3 07/21] KVM: arm64: Convert kvm_phys_addr_ioremap() to generic page-table API Will Deacon
2020-09-01 17:08 ` Alexandru Elisei
2020-09-02 11:48 ` Will Deacon
2020-09-03 3:57 ` Gavin Shan
2020-08-25 9:39 ` [PATCH v3 08/21] KVM: arm64: Convert kvm_set_spte_hva() " Will Deacon
2020-09-02 15:37 ` Alexandru Elisei
2020-09-03 16:37 ` Will Deacon
2020-09-03 4:13 ` Gavin Shan
2020-08-25 9:39 ` [PATCH v3 09/21] KVM: arm64: Convert unmap_stage2_range() " Will Deacon
2020-09-02 16:23 ` Alexandru Elisei
2020-09-02 18:44 ` Alexandru Elisei
2020-09-03 17:57 ` Will Deacon
2020-09-08 13:07 ` Alexandru Elisei
2020-09-09 10:57 ` Alexandru Elisei
2020-09-03 4:19 ` Gavin Shan
2020-08-25 9:39 ` [PATCH v3 10/21] KVM: arm64: Add support for stage-2 page-aging in generic page-table Will Deacon
2020-09-03 4:33 ` Gavin Shan
2020-09-03 16:48 ` Will Deacon
2020-09-04 1:01 ` Gavin Shan
2020-08-25 9:39 ` [PATCH v3 11/21] KVM: arm64: Convert page-aging and access faults to generic page-table API Will Deacon
2020-09-03 4:37 ` Gavin Shan
2020-08-25 9:39 ` [PATCH v3 12/21] KVM: arm64: Add support for stage-2 write-protect in generic page-table Will Deacon
2020-09-03 4:47 ` Gavin Shan
2020-08-25 9:39 ` [PATCH v3 13/21] KVM: arm64: Convert write-protect operation to generic page-table API Will Deacon
2020-09-03 4:48 ` Gavin Shan
2020-08-25 9:39 ` [PATCH v3 14/21] KVM: arm64: Add support for stage-2 cache flushing in generic page-table Will Deacon
2020-09-03 4:51 ` Gavin Shan
2020-08-25 9:39 ` [PATCH v3 15/21] KVM: arm64: Convert memslot cache-flushing code to generic page-table API Will Deacon
2020-09-03 4:52 ` Gavin Shan
2020-08-25 9:39 ` [PATCH v3 16/21] KVM: arm64: Add support for relaxing stage-2 perms in generic page-table code Will Deacon
2020-09-03 4:55 ` Gavin Shan
2020-08-25 9:39 ` [PATCH v3 17/21] KVM: arm64: Convert user_mem_abort() to generic page-table API Will Deacon
2020-09-03 6:05 ` Gavin Shan
2020-08-25 9:39 ` [PATCH v3 18/21] KVM: arm64: Check the pgt instead of the pgd when modifying page-table Will Deacon
2020-09-03 5:00 ` Gavin Shan
2020-08-25 9:39 ` [PATCH v3 19/21] KVM: arm64: Remove unused page-table code Will Deacon
2020-09-03 6:02 ` Gavin Shan
2020-08-25 9:39 ` [PATCH v3 20/21] KVM: arm64: Remove unused 'pgd' field from 'struct kvm_s2_mmu' Will Deacon
2020-09-03 5:07 ` Gavin Shan
2020-09-03 16:50 ` Will Deacon
2020-09-04 0:59 ` Gavin Shan
2020-09-04 10:02 ` Marc Zyngier
2020-08-25 9:39 ` [PATCH v3 21/21] KVM: arm64: Don't constrain maximum IPA size based on host configuration Will Deacon
2020-09-03 5:09 ` Gavin Shan
2020-08-27 16:26 ` Alexandru Elisei [this message]
2020-09-01 16:15 ` [PATCH v3 00/21] KVM: arm64: Rewrite page-table code and fault handling Will Deacon
2020-09-03 7:34 ` Gavin Shan
2020-09-03 11:13 ` Gavin Shan
2020-09-03 11:48 ` Gavin Shan
2020-09-03 12:16 ` Will Deacon
2020-09-04 0:51 ` Gavin Shan
2020-09-04 10:07 ` Marc Zyngier
2020-09-05 3:56 ` Gavin Shan
2020-09-05 9:33 ` Marc Zyngier
2020-09-07 9:27 ` Will Deacon
2020-09-03 18:52 ` Will Deacon
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