Received-SPF: pass (google.com: domain of linux-kernel+bounces-91610-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1;
Date: Tue, 5 Mar 2024 11:25:08 +0800
From: Peter Xu <peterx@redhat.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, Yang Shi <shy828301@gmail.com>,
	"Kirill A . Shutemov" <kirill@shutemov.name>,
	Muchun Song <muchun.song@linux.dev>,
	Andrew Morton <akpm@linux-foundation.org>, x86@kernel.org,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Dave Hansen <dave.hansen@linux.intel.com>
Subject: Re: [PATCH v2 4/7] mm/x86: Drop two unnecessary pud_leaf()
 definitions
Message-ID: <ZeaQlORIX26dRQuF@x1n>
References: <20240229084258.599774-1-peterx@redhat.com>
 <20240229084258.599774-5-peterx@redhat.com>
 <20240304130334.GR9179@nvidia.com>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
In-Reply-To: <20240304130334.GR9179@nvidia.com>

On Mon, Mar 04, 2024 at 09:03:34AM -0400, Jason Gunthorpe wrote:
> On Thu, Feb 29, 2024 at 04:42:55PM +0800, peterx@redhat.com wrote:
> > From: Peter Xu <peterx@redhat.com>
> > 
> > pud_leaf() has a fallback macro defined in include/linux/pgtable.h already.
> > Drop the extra two for x86.
> > 
> > Cc: Thomas Gleixner <tglx@linutronix.de>
> > Cc: Ingo Molnar <mingo@redhat.com>
> > Cc: Borislav Petkov <bp@alien8.de>
> > Cc: Dave Hansen <dave.hansen@linux.intel.com>
> > Cc: x86@kernel.org
> > Signed-off-by: Peter Xu <peterx@redhat.com>
> > ---
> >  arch/x86/include/asm/pgtable.h      | 1 -
> >  include/asm-generic/pgtable-nopmd.h | 1 -
> >  2 files changed, 2 deletions(-)
> 
> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
> 
> > @@ -31,7 +31,6 @@ static inline int pud_none(pud_t pud)		{ return 0; }
> >  static inline int pud_bad(pud_t pud)		{ return 0; }
> >  static inline int pud_present(pud_t pud)	{ return 1; }
> >  static inline int pud_user(pud_t pud)		{ return 0; }
> > -static inline int pud_leaf(pud_t pud)		{ return 0; }
> 
> It would be nice to have a final patch making the signatures
> consistent on all the arch inlines, it should return bool not int.

Makes sense, will do, thanks.

-- 
Peter Xu