Re: 2.6.23-rc3-mm1 - vdso and gettimeofday issues with glibc

From: Andi Kleen
Date: Sat Sep 01 2007 - 06:15:28 EST



> write_seqlock_irqsave(&vsyscall_gtod_data.lock, flags);
> /* copy vsyscall data */
> vsyscall_gtod_data.clock.vread = clock->vread;
> vsyscall_gtod_data.clock.cycle_last = clock->cycle_last;
> vsyscall_gtod_data.clock.mask = clock->mask;
> vsyscall_gtod_data.clock.mult = clock->mult;
> vsyscall_gtod_data.clock.shift = clock->shift;
> vsyscall_gtod_data.wall_time_sec = wall_time->tv_sec;
> vsyscall_gtod_data.wall_time_nsec = wall_time->tv_nsec; <===
> vsyscall_gtod_data.sys_tz = sys_tz;
> vsyscall_gtod_data.wall_time_nsec = wall_time->tv_nsec; <===

Must have been a (harmless) merging mistake, but I bet gcc optimizes it out
anyways.

-Andi
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