Paolo Bonzini f14eec0a32 KVM: SVM: move more vmentry code to assembly
Manipulate IF around vmload/vmsave to remove the confusing usage of
local_irq_enable where interrupts are actually disabled via GIF.
And stuff the RSB immediately without waiting for a RET to avoid
Spectre-v2 attacks.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-04-14 04:21:21 -04:00
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