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Some more cputime cleanups:

Browse source 
* Get rid of underscores polluting the vtime namespace
 
 * Consolidate context switch and tick handling
 
 * Improve debuggability by detecting irq unsafe callers
 
 Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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Merge tag 'sched-cputime-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks into sched/core

Pull more cputime cleanups from Frederic Weisbecker:

 * Get rid of underscores polluting the vtime namespace

 * Consolidate context switch and tick handling

 * Improve debuggability by detecting irq unsafe callers

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2012-12-08 15:44:43 +01:00
commit 38130ec087
10 changed files with 65 additions and 55 deletions
Download patch file Download diff file Expand all files Collapse all files

4
include/linux/kvm_host.h
View file

@ -730,7 +730,7 @@ static inline void kvm_guest_enter(void)
* This is running in ioctl context so we can avoid
* the call to vtime_account() with its unnecessary idle check.
*/
vtime_account_system(current);
vtime_account_system_irqsafe(current);
current->flags |= PF_VCPU;
/* KVM does not hold any references to rcu protected data when it
* switches CPU into a guest mode. In fact switching to a guest mode
@ -748,7 +748,7 @@ static inline void kvm_guest_exit(void)
* This is running in ioctl context so we can avoid
* the call to vtime_account() with its unnecessary idle check.
*/
vtime_account_system(current);
vtime_account_system_irqsafe(current);
current->flags &= ~PF_VCPU;
}