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(parent: ec607a5) | patch
KVM: x86: Allow CPU to force vendor-specific TDP level
authorWei Huang <wei.huang2@amd.com>
Wed, 18 Aug 2021 16:55:47 +0000 (11:55 -0500)
committerPaolo Bonzini <pbonzini@redhat.com>
Fri, 20 Aug 2021 20:06:44 +0000 (16:06 -0400)
commit746700d21fd52399c97aeb7791584bbf5426983c
tree98eb6e95fd56c2dde9aba6d08efdbc3d7de365f4tree | snapshot
parentec607a564f70519b340f7eb4cfc0f4a6b55285accommit | diff
KVM: x86: Allow CPU to force vendor-specific TDP level

AMD future CPUs will require a 5-level NPT if host CR4.LA57 is set.
To prevent kvm_mmu_get_tdp_level() from incorrectly changing NPT level
on behalf of CPUs, add a new parameter in kvm_configure_mmu() to force
a fixed TDP level.

Signed-off-by: Wei Huang <wei.huang2@amd.com>
Message-Id: <20210818165549.3771014-2-wei.huang2@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/include/asm/kvm_host.h diff | blob | blame | history
arch/x86/kvm/mmu/mmu.c diff | blob | blame | history
arch/x86/kvm/svm/svm.c diff | blob | blame | history
arch/x86/kvm/vmx/vmx.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git