KVM: SVM: do not allocate struct svm_cpu_data dynamically

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The svm_data percpu variable is a pointer, but it is allocated via
svm_hardware_setup() when KVM is loaded.  Unlike hardware_enable()
this means that it is never NULL for the whole lifetime of KVM, and
static allocation does not waste any memory compared to the status quo.
It is also more efficient and more easily handled from assembly code,
so do it and don't look back.

Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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This commit is contained in:

Paolo Bonzini 2022-11-09 09:07:55 -05:00

parent 181d0fb0bb

commit 73412dfeea

3 changed files with 18 additions and 29 deletions

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arch/x86/kvm/svm/sev.c

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arch/x86/kvm/svm/svm.c

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arch/x86/kvm/svm/svm.h

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