Re: [RFC][PATCH 1/6] x86/power: De-paravirt restore_processor_state()

From: Juergen Gross
Date: Fri Jan 13 2023 - 03:15:33 EST


On 12.01.23 15:31, Peter Zijlstra wrote:
Since Xen PV doesn't use restore_processor_state(), and we're going to
have to avoid CALL/RET until at least GS is restored, de-paravirt the
easy bits.

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>

Reviewed-by: Juergen Gross <jgross@xxxxxxxx>

with one remark: save_processor_state() could be changed the same way.


Juergen

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