From: Mike Rapoport <rppt@kernel.org>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>,
linux-kernel@vger.kernel.org, Mike Rapoport <rppt@linux.ibm.com>,
linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc/8xx: use pmd_off() to access a PMD entry in pte_update()
Date: Wed, 17 Jun 2020 07:16:17 +0300 [thread overview]
Message-ID: <20200617041617.GA6571@kernel.org> (raw)
In-Reply-To: <87o8piegvt.fsf@mpe.ellerman.id.au>
On Wed, Jun 17, 2020 at 09:21:42AM +1000, Michael Ellerman wrote:
> Andrew Morton <akpm@linux-foundation.org> writes:
> > On Mon, 15 Jun 2020 12:22:29 +0300 Mike Rapoport <rppt@kernel.org> wrote:
> >
> >> From: Mike Rapoport <rppt@linux.ibm.com>
> >>
> >> The pte_update() implementation for PPC_8xx unfolds page table from the PGD
> >> level to access a PMD entry. Since 8xx has only 2-level page table this can
> >> be simplified with pmd_off() shortcut.
> >>
> >> Replace explicit unfolding with pmd_off() and drop defines of pgd_index()
> >> and pgd_offset() that are no longer needed.
> >>
> >> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
> >> ---
> >>
> >> I think it's powerpc material, but I won't mind if Andrew picks it up :)
> >
> > Via the powerpc tree would be better, please.
>
> I'll take it into next for v5.9, unless there's a reason it needs to go
> into v5.8.
I consider it a fixup for 5.8 merge window conflicts. Besides, mering it
now may avoid new conflicts in 5.9 ;-)
> cheers
--
Sincerely yours,
Mike.
WARNING: multiple messages have this Message-ID (diff)
From: Mike Rapoport <rppt@kernel.org>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Christophe Leroy <christophe.leroy@c-s.fr>,
linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, Mike Rapoport <rppt@linux.ibm.com>
Subject: Re: [PATCH] powerpc/8xx: use pmd_off() to access a PMD entry in pte_update()
Date: Wed, 17 Jun 2020 07:16:17 +0300 [thread overview]
Message-ID: <20200617041617.GA6571@kernel.org> (raw)
In-Reply-To: <87o8piegvt.fsf@mpe.ellerman.id.au>
On Wed, Jun 17, 2020 at 09:21:42AM +1000, Michael Ellerman wrote:
> Andrew Morton <akpm@linux-foundation.org> writes:
> > On Mon, 15 Jun 2020 12:22:29 +0300 Mike Rapoport <rppt@kernel.org> wrote:
> >
> >> From: Mike Rapoport <rppt@linux.ibm.com>
> >>
> >> The pte_update() implementation for PPC_8xx unfolds page table from the PGD
> >> level to access a PMD entry. Since 8xx has only 2-level page table this can
> >> be simplified with pmd_off() shortcut.
> >>
> >> Replace explicit unfolding with pmd_off() and drop defines of pgd_index()
> >> and pgd_offset() that are no longer needed.
> >>
> >> Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
> >> ---
> >>
> >> I think it's powerpc material, but I won't mind if Andrew picks it up :)
> >
> > Via the powerpc tree would be better, please.
>
> I'll take it into next for v5.9, unless there's a reason it needs to go
> into v5.8.
I consider it a fixup for 5.8 merge window conflicts. Besides, mering it
now may avoid new conflicts in 5.9 ;-)
> cheers
--
Sincerely yours,
Mike.
next prev parent reply other threads:[~2020-06-17 4:18 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-15 9:22 [PATCH] powerpc/8xx: use pmd_off() to access a PMD entry in pte_update() Mike Rapoport
2020-06-15 9:22 ` Mike Rapoport
2020-06-15 9:32 ` Christophe Leroy
2020-06-15 9:32 ` Christophe Leroy
2020-06-16 19:43 ` Andrew Morton
2020-06-16 19:43 ` Andrew Morton
2020-06-16 23:21 ` Michael Ellerman
2020-06-16 23:21 ` Michael Ellerman
2020-06-17 4:16 ` Mike Rapoport [this message]
2020-06-17 4:16 ` Mike Rapoport
2020-06-17 13:05 ` Michael Ellerman
2020-06-17 13:05 ` Michael Ellerman
2020-06-18 12:37 ` Michael Ellerman
2020-06-18 12:37 ` Michael Ellerman
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