linux-kernel - [PATCH v2 0/7] KVM: arm64: Reduce hyp

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Date:   Wed,  2 Jun 2021 09:43:40 +0000
From:   Quentin Perret <qperret@...gle.com>
To:     maz@...nel.org, will@...nel.org, james.morse@....com,
        alexandru.elisei@....com, catalin.marinas@....com,
        suzuki.poulose@....com
Cc:     linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        kernel-team@...roid.com, linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/7] KVM: arm64: Reduce hyp_vmemmap overhead

Hi all,

This is a v2 of the patch series previously posted here:

  https://lore.kernel.org/r/20210527125134.2116404-1-qperret@google.com/

Please refer to the cover letter of v1 for the context and motivation
behind the series.

Changes since v1:
 - Added comment/doc in page_alloc.c explaining the locking expectations;
 - Removed unnecessary casts in the 'page-to-list-node' helpers;
 - A few other cosmetic changes in the allocator.

Thanks,
Quentin

Quentin Perret (7):
  KVM: arm64: Move hyp_pool locking out of refcount helpers
  KVM: arm64: Use refcount at hyp to check page availability
  KVM: arm64: Remove list_head from hyp_page
  KVM: arm64: Unify MMIO and mem host stage-2 pools
  KVM: arm64: Remove hyp_pool pointer from struct hyp_page
  KVM: arm64: Use less bits for hyp_page order
  KVM: arm64: Use less bits for hyp_page refcount

 arch/arm64/kvm/hyp/include/nvhe/gfp.h         |  45 +------
 arch/arm64/kvm/hyp/include/nvhe/mem_protect.h |   2 +-
 arch/arm64/kvm/hyp/include/nvhe/memory.h      |   7 +-
 arch/arm64/kvm/hyp/include/nvhe/mm.h          |  13 +-
 arch/arm64/kvm/hyp/nvhe/mem_protect.c         |  60 +++++-----
 arch/arm64/kvm/hyp/nvhe/page_alloc.c          | 112 +++++++++++++-----
 arch/arm64/kvm/hyp/nvhe/setup.c               |  30 +++--
 arch/arm64/kvm/hyp/reserved_mem.c             |   3 +-
 8 files changed, 145 insertions(+), 127 deletions(-)

-- 
2.32.0.rc0.204.g9fa02ecfa5-goog