OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

KVM: PPC: Book3S: PR: Fix preemption 

We were leaking preemption counters. Fix the code to always toggle
between preempt and non-preempt properly.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Alexander Graf 2012-03-13 23:31:02 +01:00 committed by Paul Mackerras
parent e1f8acf838
commit 592f5d87b3
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/powerpc/kvm/book3s_pr.c
View File

@ -777,6 +777,7 @@ program_interrupt:
}
}
preempt_disable();
if (!(r & RESUME_HOST)) {
/* To avoid clobbering exit_reason, only check for signals if
* we aren't already exiting to userspace for some other
@ -798,8 +799,6 @@ program_interrupt:
run->exit_reason = KVM_EXIT_INTR;
r = -EINTR;
} else {
preempt_disable();
/* In case an interrupt came in that was triggered
* from userspace (like DEC), we need to check what
* to inject now! */