Around Wed 29 Jul 2015 21:08:51 +0200 or thereabout, Peter Zijlstra wrote: > Fold the tracing hook into switch_to() in order to remove > finish_arch_switch().
AFAICT this should work, I do not have a nexus debugger to verify behavior. > Cc: Hans-Christian Egtvedt <[email protected]> > Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Acked-by: Hans-Christian Egtvedt <[email protected]> > --- > arch/avr32/include/asm/switch_to.h | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > --- a/arch/avr32/include/asm/switch_to.h > +++ b/arch/avr32/include/asm/switch_to.h > @@ -15,11 +15,13 @@ > */ > #ifdef CONFIG_OWNERSHIP_TRACE > #include <asm/ocd.h> > -#define finish_arch_switch(prev) \ > +#define ocd_switch(prev, next) \ > do { \ > ocd_write(PID, prev->pid); \ > - ocd_write(PID, current->pid); \ > + ocd_write(PID, next->pid); \ > } while(0) > +#else > +#define ocd_switch(prev, next) > #endif > > /* > @@ -38,6 +40,7 @@ extern struct task_struct *__switch_to(s > struct cpu_context *); > #define switch_to(prev, next, last) \ > do { \ > + ocd_switch(prev, next); \ > last = __switch_to(prev, &prev->thread.cpu_context + 1, \ > &next->thread.cpu_context); \ > } while (0) -- mvh Hans-Christian Egtvedt -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
