linux-kernel - [PATCH v2 0/3] KVM: arm64: Minor page fault handler improvement

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Date:   Tue, 16 Mar 2021 12:11:23 +0800
From:   Gavin Shan <gshan@...hat.com>
To:     kvmarm@...ts.cs.columbia.edu
Cc:     linux-kernel@...r.kernel.org, maz@...nel.org, will@...nel.org,
        zhukeqian1@...wei.com, shan.gavin@...il.com
Subject: [PATCH v2 0/3] KVM: arm64: Minor page fault handler improvement

The series includes several minior improvements to stage-2 page fault
handler: PATCH[1/2] are cleaning up the code. PATCH[3] don't retrieve
the memory slot again in the page fault handler to save a bit CPU cycles.

Changelog
=========
v2:
   * Rebased to 5.12.rc3 and include r-bs from Keqian  (Gavin)
   * Drop patch to fix IPA limit boundary issue        (Keqian)
   * Comments on why we use __gfn_to_pfn_memslot()     (Keqian)

Gavin Shan (3):
  KVM: arm64: Hide kvm_mmu_wp_memory_region()
  KVM: arm64: Use find_vma_intersection()
  KVM: arm64: Don't retrieve memory slot again in page fault handler

 arch/arm64/include/asm/kvm_host.h |  1 -
 arch/arm64/kvm/mmu.c              | 21 ++++++++++++++-------
 2 files changed, 14 insertions(+), 8 deletions(-)

-- 
2.23.0