linux-kernel - Re: [PATCH -mm try#2] Blackfin: architecture update patch

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Date:	Fri, 23 Mar 2007 14:31:13 +0800
From:	"Wu, Bryan" <bryan.wu@...log.com>
To:	Paul Mundt <lethal@...ux-sh.org>
Cc:	"Wu, Bryan" <bryan.wu@...log.com>, Arnd Bergmann <arnd@...db.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	bert hubert <bert.hubert@...herlabs.nl>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH -mm try#2] Blackfin: architecture update patch

On Fri, 2007-03-23 at 15:12 +0900, Paul Mundt wrote:
> On Fri, Mar 23, 2007 at 02:04:30PM +0800, Wu, Bryan wrote:
> > This is the latest blackfin update patch. Because there are lots of
> > issue fixing in this one, I put all modification in one update patch
> > which is located in:
> > https://blackfin.uclinux.org/gf/download/frsrelease/39/2707/blackfin-arch-2.6.21-rc4-mm1-update.patch
> > 
> I hope these will split up logically in the future so it's possible to
> reply to them without having to do manual mangling..
> 

>>From now on, I will follow this rule. Thanks

> The patch generally looks fine, this is the only thing that really jumped
> out:
> 
> > Index: linux-2.6/include/asm-blackfin/pgtable.h
> > ===================================================================
> > --- linux-2.6.orig/include/asm-blackfin/pgtable.h
> > +++ linux-2.6/include/asm-blackfin/pgtable.h
> > @@ -59,4 +59,12 @@
> >  #define	VMALLOC_START	0
> >  #define	VMALLOC_END	0xffffffff
> >  
> > +#define  __HAVE_ARCH_ENTER_LAZY_CPU_MODE
> > +#define arch_enter_lazy_cpu_mode()	do {} while (0)
> > +#define arch_leave_lazy_cpu_mode()	do {} while (0)
> > +
> > +#define  __HAVE_ARCH_ENTER_LAZY_MMU_MODE
> > +#define arch_enter_lazy_mmu_mode()	do {} while (0)
> > +#define arch_leave_lazy_mmu_mode()	do {} while (0)
> > +
> >  #endif				/* _BLACKFIN_PGTABLE_H */
> 
> asm-generic/pgtable.h already does this if you don't explicitly define
> __HAVE_ARCH_ENTER_LAZY_{CPU,MMU}_MODE. So please kill this entirely. If
> you forgot to include asm-generic/pgtable.h, that's another matter..

OK, I will check with this. Adding this dummy function is because
compiling will fail.

Best Regards,
-Bryan Wu
-
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