Subject: Re: [PATCH] powerpc: add Book E support to 64-bit hibernation

From: Scott Wood <[email-masked]>
Date: Thu, 14 Mar 2013 11:52:41 -0500

On 03/14/2013 03:37:53 AM, Johannes Berg wrote:
> On Thu, 2013-03-14 at 11:36 +0800, Wang Dongsheng wrote:
>=20
> > +#ifdef CONFIG_PPC_BOOK3S_64
> >  	/* can't use RESTORE_SPECIAL(MSR) */
> >  	ld	r0, SL_MSR(r11)
> >  	mtmsrd	r0, 0
>=20
> Unfortunately, I forgot the reason for this comment, and didn't put a
> better one (almost 6 years ago!!)
>=20
> > +	RESTORE_SPECIAL(MSR)
>=20
> but maybe you also can't do this on BookE?

If it's because book3s needs mtmsrd instead of mtmsr, that doesn't =20
apply to booke.

-Scott=