On Mon, Nov 23, 2015 at 03:35:16PM +0100, Peter Zijlstra wrote:
> On Mon, Nov 23, 2015 at 03:19:19PM +0100, Frederic Weisbecker wrote:
> > On Thu, Nov 19, 2015 at 09:28:28PM +0100, Peter Zijlstra wrote:
> > > On Thu, Nov 19, 2015 at 04:47:33PM +0100, Frederic Weisbecker wrote:
> > > > +++
On Mon, Nov 23, 2015 at 03:19:19PM +0100, Frederic Weisbecker wrote:
> On Thu, Nov 19, 2015 at 09:28:28PM +0100, Peter Zijlstra wrote:
> > On Thu, Nov 19, 2015 at 04:47:33PM +0100, Frederic Weisbecker wrote:
> > > +++ b/include/linux/vtime.h
> > > @@ -17,9 +17,20 @@ static inline bool
On Thu, Nov 19, 2015 at 09:28:28PM +0100, Peter Zijlstra wrote:
> On Thu, Nov 19, 2015 at 04:47:33PM +0100, Frederic Weisbecker wrote:
> > +++ b/include/linux/vtime.h
> > @@ -17,9 +17,20 @@ static inline bool vtime_accounting_cpu_enabled(void) {
> > return true; }
> > #endif /*
On Thu, Nov 19, 2015 at 09:28:28PM +0100, Peter Zijlstra wrote:
> On Thu, Nov 19, 2015 at 04:47:33PM +0100, Frederic Weisbecker wrote:
> > +++ b/include/linux/vtime.h
> > @@ -17,9 +17,20 @@ static inline bool vtime_accounting_cpu_enabled(void) {
> > return true; }
> > #endif /*
On Mon, Nov 23, 2015 at 03:19:19PM +0100, Frederic Weisbecker wrote:
> On Thu, Nov 19, 2015 at 09:28:28PM +0100, Peter Zijlstra wrote:
> > On Thu, Nov 19, 2015 at 04:47:33PM +0100, Frederic Weisbecker wrote:
> > > +++ b/include/linux/vtime.h
> > > @@ -17,9 +17,20 @@ static inline bool
On Mon, Nov 23, 2015 at 03:35:16PM +0100, Peter Zijlstra wrote:
> On Mon, Nov 23, 2015 at 03:19:19PM +0100, Frederic Weisbecker wrote:
> > On Thu, Nov 19, 2015 at 09:28:28PM +0100, Peter Zijlstra wrote:
> > > On Thu, Nov 19, 2015 at 04:47:33PM +0100, Frederic Weisbecker wrote:
> > > > +++
On Thu, Nov 19, 2015 at 04:47:33PM +0100, Frederic Weisbecker wrote:
> +++ b/include/linux/vtime.h
> @@ -17,9 +17,20 @@ static inline bool vtime_accounting_cpu_enabled(void) {
> return true; }
> #endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
>
> #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
> +/*
> +
Readers need to know if vtime runs at all on some CPU somewhere, this
is a fast-path check to determine if we need to check further the need
to add up any tickless cputime delta.
This fast path check uses context tracking state because vtime is tied
to context tracking as of now. This check
On Thu, Nov 19, 2015 at 04:47:33PM +0100, Frederic Weisbecker wrote:
> +++ b/include/linux/vtime.h
> @@ -17,9 +17,20 @@ static inline bool vtime_accounting_cpu_enabled(void) {
> return true; }
> #endif /* CONFIG_VIRT_CPU_ACCOUNTING_NATIVE */
>
> #ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
> +/*
> +
Readers need to know if vtime runs at all on some CPU somewhere, this
is a fast-path check to determine if we need to check further the need
to add up any tickless cputime delta.
This fast path check uses context tracking state because vtime is tied
to context tracking as of now. This check
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