On Wed, 2010-02-17 at 18:47 +0000, Thomas Gleixner wrote: > > xtime_lock needs a raw_spinlock in preempt-rt. Convert it to > raw_seqlock and fix up all users. > s/raw_spinlock/raw_seqlock/ ? Maybe add an explanation on _why_ -rt needs this for the uninformed amongst us. -rt switches to sleeping spinlocks, but since the vdso is basically userspace it cannot schedule, hence we need to keep using actual spinlocks (this is also the reason the vdso things must not call into lockdep) -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
