Re: [RFC -v9 1/4] Add Kconfig option ARCH_HAVE_NMI_SAFE_CMPXCHG

[Huang Ying]

Hi, David,

Thanks for review.

On Fri, 2010-12-24 at 01:35 +0800, David Miller wrote:
> From: Huang Ying <ying.huang@xxxxxxxxx>
> Date: Thu, 23 Dec 2010 13:43:20 +0800
> 
> > --- a/arch/sparc/Kconfig
> > +++ b/arch/sparc/Kconfig
> > @@ -22,6 +22,7 @@ config SPARC
> >  	select RTC_CLASS
> >  	select RTC_DRV_M48T59
> >  	select HAVE_IRQ_WORK
> > +	select ARCH_HAVE_NMI_SAFE_CMPXCHG
> >  	select HAVE_DMA_ATTRS
> >  	select HAVE_DMA_API_DEBUG
> >  	select HAVE_ARCH_JUMP_LABEL
> 
> This should only be set for "SPARC64".  SPARC32's cmpxchg uses spinlocks and
> IRQ disabling, which is not NMI safe.

I will fix this.

Best Regards,
Huang Ying


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/