On Tue, Jan 22, 2008 at 06:53:13PM +0900, Hisashi Hifumi wrote: > Hi > > In s390's spin_lock_irqsave, interrupts remain disabled while spinning. > In other architectures like x86 and powerpc, interrupts are re-enabled > while spinning > if IRQ is not masked before spin_lock_irqsave is called. > > The following patch re-enables interrupts through local_irq_restore while > spinning > for a lock acquisition. This can improve system response. > > Comments? Thanks for your patch! Makes sense. I will change it so it will apply on our patch queue and add it. - To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
