nestedhvm: do not send IPIs twice

PATCH Applied Christoph Egger 2 participants 2 messages Aug 19, 2011

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Christoph Egger

author

2011-08-19 11:24 UTC #0 lore raw

PATCH 1/1 nestedhvm: do not send IPIs twice

In p2m_get_nestedp2m() there is no need to send IPIs via nestedhvm_vmcx_flushtlb() since p2m_flush_table() already did that.

Signed-off-by Christoph Egger <[email protected]>

Signature · 6 lines

---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

xen/arch/x86/mm/p2m.c +0 -1

diff -r ce4768a78051 xen/arch/x86/mm/p2m.c
@@ -1164,7 +1164,6 @@ p2m_get_nestedp2m(struct vcpu *v, uint64
     p2m->cr3 = cr3;
     nv->nv_flushp2m = 0;
     hvm_asid_flush_vcpu(v);
-    nestedhvm_vmcx_flushtlb(p2m);
     cpu_set(v->processor, p2m->p2m_dirty_cpumask);
     p2m_unlock(p2m);
     nestedp2m_unlock(d);

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Tim Deegan

Applied

2011-08-19 12:46 UTC #1 lore raw

Quoted 6 lines · Christoph Egger

In p2m_get_nestedp2m() there is no need to send IPIs via nestedhvm_vmcx_flushtlb() since p2m_flush_table() already did that.
Signed-off-by Christoph Egger <[email protected]>

Applied, thanks.

Tim.

Signature · 3 lines

Tim Deegan <[email protected]>
Principal Software Engineer, Xen Platform Team
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)