git.baikalelectronics.ru Git - kernel.git/commit

]> git.baikalelectronics.ru Git - kernel.git/commit

author	David Matlack <dmatlack@google.com>
	Tue, 13 Jul 2021 22:09:55 +0000 (22:09 +0000)
committer	Paolo Bonzini <pbonzini@redhat.com>
	Mon, 2 Aug 2021 15:01:47 +0000 (11:01 -0400)
commit	ac0e86d8a16fed90fcc835f2b19988527272a8f8
tree	4fc2f7b1c24d67326f40bccf4e7715d9846b5236	tree \| snapshot
parent	d59dbe4d0eeaf739cdc1ebc2e9a3e6104406398c	commit \| diff

KVM: x86/mmu: fast_page_fault support for the TDP MMU

Make fast_page_fault interoperate with the TDP MMU by leveraging
walk_shadow_page_lockless_{begin,end} to acquire the RCU read lock and
introducing a new helper function kvm_tdp_mmu_fast_pf_get_last_sptep to
grab the lowest level sptep.

Suggested-by: Ben Gardon <bgardon@google.com>
Signed-off-by: David Matlack <dmatlack@google.com>
Message-Id: <20210713220957.3493520-5-dmatlack@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/mmu/mmu.c		diff \| blob \| history
arch/x86/kvm/mmu/tdp_mmu.c		diff \| blob \| history
arch/x86/kvm/mmu/tdp_mmu.h		diff \| blob \| history

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