[Xen-devel] [PATCH] xen: fix performance decrease with asid assignment

[Christoph Egger <Christoph.Egger@xxxxxxx>]

Do not clear asid cleanbit unconditionally. This shaves
off 100 cycles from the VMRUN instruction.

Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx>

-- 
---to satisfy European Law for business letters:
Advanced Micro Devices GmbH
Einsteinring 24, 85689 Dornach b. Muenchen
Geschaeftsfuehrer: Alberto Bozzo, Andrew Bowd
Sitz: Dornach, Gemeinde Aschheim, Landkreis Muenchen
Registergericht Muenchen, HRB Nr. 43632

Attachment: xen_asid.diff
Description: xen_asid.diff

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