On Thu, Aug 22, 2019 at 02:11:22PM -0700, Sean Christopherson wrote:
> Use 'lea' instead of 'add' when adjusting %rsp in CALL_NOSPEC so as to
> avoid clobbering flags.
>
> KVM's emulator makes indirect calls into a jump table of sorts, where
> the destination of the CALL_NOSPEC is a small blob of
Use 'lea' instead of 'add' when adjusting %rsp in CALL_NOSPEC so as to
avoid clobbering flags.
KVM's emulator makes indirect calls into a jump table of sorts, where
the destination of the CALL_NOSPEC is a small blob of code that performs
fast emulation by executing the target instruction with fixe
2 matches
Mail list logo
