On Thu, 2007-07-12 at 23:59 -0400, Gregory Haskins wrote: > 2.6.22 changed the vsyscall mechanism to store a more cache-thrash > friendly version of the gtod data. The original gtod cache code used an > entire struct clock + structure-copy, whereas the new code uses a > pseudo/shadow version + explicit-copy. > > clock.cycle_accumulated was added to RT prior to 2.6.22 so the vsyscall > code must also be updated for the port to 22. > > Signed-off-by: Gregory Haskins <ghaskins@xxxxxxxxxx> > --- > > vsyscall.c | 1 + > 1 file changed, 1 insertion(+) > > --- linux-2.6.22.orig/arch/x86_64/kernel/vsyscall.c > +++ linux-2.6.22/arch/x86_64/kernel/vsyscall.c > @@ -90,6 +90,7 @@ void update_vsyscall(struct timespec *wa > /* copy vsyscall data */ > vsyscall_gtod_data.clock.vread = clock->vread; > vsyscall_gtod_data.clock.cycle_last = clock->cycle_last; > + vsyscall_gtod_data.clock.cycle_accumulated = > clock->cycle_accumulated; > vsyscall_gtod_data.clock.mask = clock->mask; > vsyscall_gtod_data.clock.mult = clock->mult; > vsyscall_gtod_data.clock.shift = clock->shift; It looks like your patch might be line wrapped ? Also you need to CC John Stultz, who I've added .. Daniel - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
