Messages in this thread | | | Date | Wed, 3 Jan 2007 00:16:35 -0800 | From | Andrew Morton <> | Subject | Re: [rfc] [patch 1/2] spin_lock_irq: Enable interrupts while spinning -- preperatory patch |
| |
On Tue, 2 Jan 2007 23:59:23 -0800 Ravikiran G Thirumalai <kiran@scalex86.org> wrote:
> The following patches do just that. The first patch is preparatory in nature > and the second one changes the x86_64 implementation of spin_lock_irq. > Patch passed overnight runs of kernbench and dbench on 4 way x86_64 smp.
The end result of this is, I think, that i386 enables irqs while spinning in spin_lock_irqsave() but not while spinning in spin_lock_irq(). And x86_64 does the opposite.
Odd, isn't it? - 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/
| |