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KVM: X86: Add a ratio parameter to kvm_scale_tsc()
authorIlias Stamatis <ilstam@amazon.com>
Wed, 26 May 2021 18:44:11 +0000 (19:44 +0100)
committerPaolo Bonzini <pbonzini@redhat.com>
Thu, 17 Jun 2021 17:09:28 +0000 (13:09 -0400)
commitfe3eb50418174567f6fbfb3d90a95cbd7a0cc17b
tree02b967a49fab01e80ed019161247a3b93ccfe1f5tree | snapshot
parent9b399dfd4c60a2249f45f3938b1b9b49394dfe3acommit | diff
KVM: X86: Add a ratio parameter to kvm_scale_tsc()

Sometimes kvm_scale_tsc() needs to use the current scaling ratio and
other times (like when reading the TSC from user space) it needs to use
L1's scaling ratio. Have the caller specify this by passing the ratio as
a parameter.

Signed-off-by: Ilias Stamatis <ilstam@amazon.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20210526184418.28881-5-ilstam@amazon.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/include/asm/kvm_host.h diff | blob | history
arch/x86/kvm/x86.c diff | blob | history
Domain: System / Kernel;