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* [PATCH v2 0/2] KVM: x86/mmu: Optimize rsvd pte checks
@ 2020-01-09 23:06 Sean Christopherson
  2020-01-09 23:06 ` [PATCH v2 1/2] KVM: x86/mmu: Reorder the reserved bit check in prefetch_invalid_gpte() Sean Christopherson
  2020-01-09 23:06 ` [PATCH v2 2/2] KVM: x86/mmu: Micro-optimize nEPT's bad memptype/XWR checks Sean Christopherson
  0 siblings, 2 replies; 8+ messages in thread
From: Sean Christopherson @ 2020-01-09 23:06 UTC (permalink / raw)
  To: Paolo Bonzini
  Cc: Sean Christopherson, Vitaly Kuznetsov, Wanpeng Li, Jim Mattson,
	Joerg Roedel, kvm, linux-kernel, David Laight, Arvind Sankar

Two patches to optimize the reserved bit and illegal EPT memtype/XWR
checks, and more importantly, clean up an undocumented, subtle bitwise-OR
in the code.

v2: Rewrite everything.

v1: https://lkml.kernel.org/r/20200108001859.25254-1-sean.j.christopherson@intel.com

Sean Christopherson (2):
  KVM: x86/mmu: Reorder the reserved bit check in
    prefetch_invalid_gpte()
  KVM: x86/mmu: Micro-optimize nEPT's bad memptype/XWR checks

 arch/x86/kvm/mmu/mmu.c         | 26 ++++++++++++++------------
 arch/x86/kvm/mmu/paging_tmpl.h | 23 +++++++++++++++++++----
 2 files changed, 33 insertions(+), 16 deletions(-)

-- 
2.24.1


^ permalink raw reply	[flat|nested] 8+ messages in thread

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Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-01-09 23:06 [PATCH v2 0/2] KVM: x86/mmu: Optimize rsvd pte checks Sean Christopherson
2020-01-09 23:06 ` [PATCH v2 1/2] KVM: x86/mmu: Reorder the reserved bit check in prefetch_invalid_gpte() Sean Christopherson
2020-01-10 11:37   ` Vitaly Kuznetsov
2020-01-09 23:06 ` [PATCH v2 2/2] KVM: x86/mmu: Micro-optimize nEPT's bad memptype/XWR checks Sean Christopherson
2020-01-10 11:37   ` Vitaly Kuznetsov
2020-01-10 16:04     ` Sean Christopherson
2020-01-10 16:13       ` David Laight
2020-01-15 18:17       ` Paolo Bonzini

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