From: Steve Capper <steve.capper@linaro.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
Andrea Arcangeli <aarcange@redhat.com>,
benh@kernel.crashing.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-arch@vger.kernel.org
Subject: Re: [PATCH V3 1/2] mm: Update generic gup implementation to handle hugepage directory
Date: Tue, 28 Oct 2014 10:44:52 +0000 [thread overview]
Message-ID: <20141028104451.GB4187@linaro.org> (raw)
In-Reply-To: <20141027183241.a5339085.akpm@linux-foundation.org>
On Mon, Oct 27, 2014 at 06:32:41PM -0700, Andrew Morton wrote:
> On Tue, 28 Oct 2014 12:20:29 +1100 Michael Ellerman <mpe@ellerman.id.au> wrote:
>
> > On Mon, 2014-10-27 at 16:06 -0700, Andrew Morton wrote:
> > > On Sat, 25 Oct 2014 16:14:19 +0530 "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> wrote:
> > >
> > > > Update generic gup implementation with powerpc specific details.
> > > > On powerpc at pmd level we can have hugepte, normal pmd pointer
> > > > or a pointer to the hugepage directory.
> > >
> > > I grabbed these. It would be better if they were merged into the powerpc
> > > tree where they'll get more testing than in linux-next alone.
> >
> > Fine by me. Can I get an ack from you and/or someone else on CC?
> >
>
> Only arm and arm64 use this code. Steve, could you please look it over
> and check that arm is still happy?
Hi Andrew,
I've tested it and posted some comments on it.
If the arch/arm and arch/arm64 changes are removed and a comment about
an assumption made by the new gup_huge_pte code is added then I'm happy.
Cheers,
--
Steve
--
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WARNING: multiple messages have this Message-ID (diff)
From: Steve Capper <steve.capper@linaro.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
Andrea Arcangeli <aarcange@redhat.com>,
benh@kernel.crashing.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-arch@vger.kernel.org
Subject: Re: [PATCH V3 1/2] mm: Update generic gup implementation to handle hugepage directory
Date: Tue, 28 Oct 2014 10:44:52 +0000 [thread overview]
Message-ID: <20141028104451.GB4187@linaro.org> (raw)
Message-ID: <20141028104452.cUHnaIG6B7l6xxWtgVmJsdmEQfRZsdNTBb7NMflejEQ@z> (raw)
In-Reply-To: <20141027183241.a5339085.akpm@linux-foundation.org>
On Mon, Oct 27, 2014 at 06:32:41PM -0700, Andrew Morton wrote:
> On Tue, 28 Oct 2014 12:20:29 +1100 Michael Ellerman <mpe@ellerman.id.au> wrote:
>
> > On Mon, 2014-10-27 at 16:06 -0700, Andrew Morton wrote:
> > > On Sat, 25 Oct 2014 16:14:19 +0530 "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> wrote:
> > >
> > > > Update generic gup implementation with powerpc specific details.
> > > > On powerpc at pmd level we can have hugepte, normal pmd pointer
> > > > or a pointer to the hugepage directory.
> > >
> > > I grabbed these. It would be better if they were merged into the powerpc
> > > tree where they'll get more testing than in linux-next alone.
> >
> > Fine by me. Can I get an ack from you and/or someone else on CC?
> >
>
> Only arm and arm64 use this code. Steve, could you please look it over
> and check that arm is still happy?
Hi Andrew,
I've tested it and posted some comments on it.
If the arch/arm and arch/arm64 changes are removed and a comment about
an assumption made by the new gup_huge_pte code is added then I'm happy.
Cheers,
--
Steve
WARNING: multiple messages have this Message-ID (diff)
From: Steve Capper <steve.capper@linaro.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>,
linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH V3 1/2] mm: Update generic gup implementation to handle hugepage directory
Date: Tue, 28 Oct 2014 10:44:52 +0000 [thread overview]
Message-ID: <20141028104451.GB4187@linaro.org> (raw)
In-Reply-To: <20141027183241.a5339085.akpm@linux-foundation.org>
On Mon, Oct 27, 2014 at 06:32:41PM -0700, Andrew Morton wrote:
> On Tue, 28 Oct 2014 12:20:29 +1100 Michael Ellerman <mpe@ellerman.id.au> wrote:
>
> > On Mon, 2014-10-27 at 16:06 -0700, Andrew Morton wrote:
> > > On Sat, 25 Oct 2014 16:14:19 +0530 "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com> wrote:
> > >
> > > > Update generic gup implementation with powerpc specific details.
> > > > On powerpc at pmd level we can have hugepte, normal pmd pointer
> > > > or a pointer to the hugepage directory.
> > >
> > > I grabbed these. It would be better if they were merged into the powerpc
> > > tree where they'll get more testing than in linux-next alone.
> >
> > Fine by me. Can I get an ack from you and/or someone else on CC?
> >
>
> Only arm and arm64 use this code. Steve, could you please look it over
> and check that arm is still happy?
Hi Andrew,
I've tested it and posted some comments on it.
If the arch/arm and arch/arm64 changes are removed and a comment about
an assumption made by the new gup_huge_pte code is added then I'm happy.
Cheers,
--
Steve
next prev parent reply other threads:[~2014-10-28 10:44 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-25 10:44 [PATCH V3 1/2] mm: Update generic gup implementation to handle hugepage directory Aneesh Kumar K.V
2014-10-25 10:44 ` Aneesh Kumar K.V
2014-10-25 10:44 ` Aneesh Kumar K.V
2014-10-25 10:44 ` [PATCH V3 2/2] arch/powerpc: Switch to generic RCU get_user_pages_fast Aneesh Kumar K.V
2014-10-25 10:44 ` Aneesh Kumar K.V
2014-10-25 10:44 ` Aneesh Kumar K.V
2014-10-27 23:06 ` [PATCH V3 1/2] mm: Update generic gup implementation to handle hugepage directory Andrew Morton
2014-10-27 23:06 ` Andrew Morton
2014-10-27 23:06 ` Andrew Morton
2014-10-28 1:20 ` Michael Ellerman
2014-10-28 1:20 ` Michael Ellerman
2014-10-28 1:20 ` Michael Ellerman
2014-10-28 1:32 ` Andrew Morton
2014-10-28 1:32 ` Andrew Morton
2014-10-28 1:32 ` Andrew Morton
2014-10-28 10:44 ` Steve Capper [this message]
2014-10-28 10:44 ` Steve Capper
2014-10-28 10:44 ` Steve Capper
2014-10-29 4:46 ` Michael Ellerman
2014-10-29 4:46 ` Michael Ellerman
2014-10-29 4:46 ` Michael Ellerman
2014-10-28 10:41 ` Steve Capper
2014-10-28 10:41 ` Steve Capper
2014-10-28 10:41 ` Steve Capper
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