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| author | Paolo Bonzini <pbonzini@redhat.com> | 2016-06-15 15:23:11 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-07-01 11:03:38 +0200 |
| commit | f2485b3e0c6c0aa3a9546babc2fad3739e964ebb (patch) | |
| tree | 07e778e8128e70ad5b38458686ed0cc0f3b87d98 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | KVM: x86: always use "acknowledge interrupt on exit" (diff) | |
| download | linux-f2485b3e0c6c0aa3a9546babc2fad3739e964ebb.tar.gz linux-f2485b3e0c6c0aa3a9546babc2fad3739e964ebb.zip | |
KVM: x86: use guest_exit_irqoff
This gains a few clock cycles per vmexit. On Intel there is no need
anymore to enable the interrupts in vmx_handle_external_intr, since
we are using the "acknowledge interrupt on exit" feature. AMD
needs to do that, and must be careful to avoid the interrupt shadow.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions