| Message ID | 1449696151-4195-8-git-send-email-yang.shi@linaro.org |
|---|---|
| State | New |
| Headers | show |
Hi David, Any comment on this one? The tracing part review has been done. Thanks, Yang On 12/9/2015 1:22 PM, Yang Shi wrote: > Cc: "David S. Miller" <davem@davemloft.net> > Cc: sparclinux@vger.kernel.org > Signed-off-by: Yang Shi <yang.shi@linaro.org> > --- > arch/sparc/mm/gup.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/sparc/mm/gup.c b/arch/sparc/mm/gup.c > index 2e5c4fc..5a06c34 100644 > --- a/arch/sparc/mm/gup.c > +++ b/arch/sparc/mm/gup.c > @@ -12,6 +12,8 @@ > #include <linux/rwsem.h> > #include <asm/pgtable.h> > > +#include <trace/events/gup.h> > + > /* > * The performance critical leaf functions are made noinline otherwise gcc > * inlines everything into a single function which results in too much > @@ -174,6 +176,8 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, > len = (unsigned long) nr_pages << PAGE_SHIFT; > end = start + len; > > + trace_gup_get_user_pages_fast(start, nr_pages); > + > local_irq_save(flags); > pgdp = pgd_offset(mm, addr); > do { > @@ -236,6 +240,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, > > local_irq_enable(); > > + trace_gup_get_user_pages_fast(start, nr_pages); > + > VM_BUG_ON(nr != (end - start) >> PAGE_SHIFT); > return nr; > >
From: "Shi, Yang" <yang.shi@linaro.org> Date: Wed, 13 Jan 2016 10:13:08 -0800 > Any comment on this one? The tracing part review has been done. I thought this was going to simply be submitted upstream via another tree. If you just want my ack then: Acked-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/mm/gup.c b/arch/sparc/mm/gup.c index 2e5c4fc..5a06c34 100644 --- a/arch/sparc/mm/gup.c +++ b/arch/sparc/mm/gup.c @@ -12,6 +12,8 @@ #include <linux/rwsem.h> #include <asm/pgtable.h> +#include <trace/events/gup.h> + /* * The performance critical leaf functions are made noinline otherwise gcc * inlines everything into a single function which results in too much @@ -174,6 +176,8 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, len = (unsigned long) nr_pages << PAGE_SHIFT; end = start + len; + trace_gup_get_user_pages_fast(start, nr_pages); + local_irq_save(flags); pgdp = pgd_offset(mm, addr); do { @@ -236,6 +240,8 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, local_irq_enable(); + trace_gup_get_user_pages_fast(start, nr_pages); + VM_BUG_ON(nr != (end - start) >> PAGE_SHIFT); return nr;
Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Signed-off-by: Yang Shi <yang.shi@linaro.org> --- arch/sparc/mm/gup.c | 6 ++++++ 1 file changed, 6 insertions(+) -- 2.0.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/