diff options
| author | Alexander Graf <[email protected]> | 2011-12-09 14:44:13 +0100 |
|---|---|---|
| committer | Avi Kivity <[email protected]> | 2012-03-05 14:52:30 +0200 |
| commit | 468a12c2b53776721ff83517d4a195b85c5fce54 (patch) | |
| tree | ba417210997c2e3119525641764303d97db32815 /tools/perf/scripts/python | |
| parent | d33ad328c0025c45f4688a769aeebddc342222c1 (diff) | |
KVM: PPC: Use get/set for to_svcpu to help preemption
When running the 64-bit Book3s PR code without CONFIG_PREEMPT_NONE, we were
doing a few things wrong, most notably access to PACA fields without making
sure that the pointers stay stable accross the access (preempt_disable()).
This patch moves to_svcpu towards a get/put model which allows us to disable
preemption while accessing the shadow vcpu fields in the PACA. That way we
can run preemptible and everyone's happy!
Reported-by: Jörg Sommer <[email protected]>
Signed-off-by: Alexander Graf <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions