From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Mike Rapoport <rppt@kernel.org>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
linux-mm <linux-mm@kvack.org>, Paul Mackerras <paulus@samba.org>,
linux-sparc <sparclinux@vger.kernel.org>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Claudio Imbrenda <imbrenda@linux.ibm.com>,
Will Deacon <will@kernel.org>,
linux-arch <linux-arch@vger.kernel.org>,
linux-s390 <linux-s390@vger.kernel.org>,
Vasily Gorbik <gor@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Richard Weinberger <richard@nod.at>, linux-x86 <x86@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Jason Gunthorpe <jgg@ziepe.ca>, Ingo Molnar <mingo@redhat.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Heiko Carstens <hca@linux.ibm.com>, Arnd Bergmann <arnd@arndb.de>,
John Hubbard <jhubbard@nvidia.com>, Jeff Dike <jdike@addtoit.com>,
linux-um <linux-um@lists.infradead.org>,
Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm <linux-arm-kernel@lists.infradead.org>,
linux-power <linuxppc-dev@lists.ozlabs.org>,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [RFC PATCH v2 0/3] mm/gup: fix gup_fast with dynamic page table folding
Date: Tue, 8 Sep 2020 07:22:39 +0200 [thread overview]
Message-ID: <9bde9857-fdfd-e384-ea27-a14e5a06f1e6@csgroup.eu> (raw)
In-Reply-To: <20200907201256.GC1976319@kernel.org>
Le 07/09/2020 à 22:12, Mike Rapoport a écrit :
> On Mon, Sep 07, 2020 at 08:00:55PM +0200, Gerald Schaefer wrote:
>> This is v2 of an RFC previously discussed here:
>> https://lore.kernel.org/lkml/20200828140314.8556-1-gerald.schaefer@linux.ibm.com/
>>
>> Patch 1 is a fix for a regression in gup_fast on s390, after our conversion
>> to common gup_fast code. It will introduce special helper functions
>> pXd_addr_end_folded(), which have to be used in places where pagetable walk
>> is done w/o lock and with READ_ONCE, so currently only in gup_fast.
>>
>> Patch 2 is an attempt to make that more generic, i.e. change pXd_addr_end()
>> themselves by adding an extra pXd value parameter. That was suggested by
>> Jason during v1 discussion, because he is already thinking of some other
>> places where he might want to switch to the READ_ONCE logic for pagetable
>> walks. In general, that would be the cleanest / safest solution, but there
>> is some impact on other architectures and common code, hence the new and
>> greatly enlarged recipient list.
>>
>> Patch 3 is a "nice to have" add-on, which makes pXd_addr_end() inline
>> functions instead of #defines, so that we get some type checking for the
>> new pXd value parameter.
>>
>> Not sure about Fixes/stable tags for the generic solution. Only patch 1
>> fixes a real bug on s390, and has Fixes/stable tags. Patches 2 + 3 might
>> still be nice to have in stable, to ease future backports, but I guess
>> "nice to have" does not really qualify for stable backports.
>
> I also think that adding pXd parameter to pXd_addr_end() is a cleaner
> way and with this patch 1 is not really required. I would even merge
> patches 2 and 3 into a single patch and use only it as the fix.
Why not merging patches 2 and 3, but I would keep patch 1 separate but
after the generic changes, so that we first do the generic changes, then
we do the specific S390 use of it.
Christophe
WARNING: multiple messages have this Message-ID (diff)
From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Mike Rapoport <rppt@kernel.org>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Dave Hansen <dave.hansen@linux.intel.com>,
linux-mm <linux-mm@kvack.org>, Paul Mackerras <paulus@samba.org>,
linux-sparc <sparclinux@vger.kernel.org>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Claudio Imbrenda <imbrenda@linux.ibm.com>,
Will Deacon <will@kernel.org>,
linux-arch <linux-arch@vger.kernel.org>,
linux-s390 <linux-s390@vger.kernel.org>,
Vasily Gorbik <gor@linux.ibm.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Richard Weinberger <richard@nod.at>, linux-x86 <x86@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Jason Gunthorpe <jgg@ziepe.ca>, Ingo Molnar <mingo@redhat.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Heiko Carstens <hca@linux.ibm.com>, Arnd Bergmann <arnd@arndb.de>,
John Hubbard <jhubbard@nvidia.com>, Jeff Dike <jdike@addtoit.com>,
linux-um <linux-um@lists.infradead.org>,
Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm <linux-arm-kernel@lists.infradead.org>,
linux-power <linuxppc-dev@lists.ozlabs.org>,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [RFC PATCH v2 0/3] mm/gup: fix gup_fast with dynamic page table folding
Date: Tue, 08 Sep 2020 05:22:39 +0000 [thread overview]
Message-ID: <9bde9857-fdfd-e384-ea27-a14e5a06f1e6@csgroup.eu> (raw)
In-Reply-To: <20200907201256.GC1976319@kernel.org>
Le 07/09/2020 à 22:12, Mike Rapoport a écrit :
> On Mon, Sep 07, 2020 at 08:00:55PM +0200, Gerald Schaefer wrote:
>> This is v2 of an RFC previously discussed here:
>> https://lore.kernel.org/lkml/20200828140314.8556-1-gerald.schaefer@linux.ibm.com/
>>
>> Patch 1 is a fix for a regression in gup_fast on s390, after our conversion
>> to common gup_fast code. It will introduce special helper functions
>> pXd_addr_end_folded(), which have to be used in places where pagetable walk
>> is done w/o lock and with READ_ONCE, so currently only in gup_fast.
>>
>> Patch 2 is an attempt to make that more generic, i.e. change pXd_addr_end()
>> themselves by adding an extra pXd value parameter. That was suggested by
>> Jason during v1 discussion, because he is already thinking of some other
>> places where he might want to switch to the READ_ONCE logic for pagetable
>> walks. In general, that would be the cleanest / safest solution, but there
>> is some impact on other architectures and common code, hence the new and
>> greatly enlarged recipient list.
>>
>> Patch 3 is a "nice to have" add-on, which makes pXd_addr_end() inline
>> functions instead of #defines, so that we get some type checking for the
>> new pXd value parameter.
>>
>> Not sure about Fixes/stable tags for the generic solution. Only patch 1
>> fixes a real bug on s390, and has Fixes/stable tags. Patches 2 + 3 might
>> still be nice to have in stable, to ease future backports, but I guess
>> "nice to have" does not really qualify for stable backports.
>
> I also think that adding pXd parameter to pXd_addr_end() is a cleaner
> way and with this patch 1 is not really required. I would even merge
> patches 2 and 3 into a single patch and use only it as the fix.
Why not merging patches 2 and 3, but I would keep patch 1 separate but
after the generic changes, so that we first do the generic changes, then
we do the specific S390 use of it.
Christophe
WARNING: multiple messages have this Message-ID (diff)
From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Mike Rapoport <rppt@kernel.org>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
linux-mm <linux-mm@kvack.org>, Paul Mackerras <paulus@samba.org>,
linux-sparc <sparclinux@vger.kernel.org>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Claudio Imbrenda <imbrenda@linux.ibm.com>,
Will Deacon <will@kernel.org>,
linux-arch <linux-arch@vger.kernel.org>,
linux-s390 <linux-s390@vger.kernel.org>,
Vasily Gorbik <gor@linux.ibm.com>, Jason Gunthorpe <jgg@ziepe.ca>,
Richard Weinberger <richard@nod.at>, linux-x86 <x86@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Ingo Molnar <mingo@redhat.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Jeff Dike <jdike@addtoit.com>, Arnd Bergmann <arnd@arndb.de>,
John Hubbard <jhubbard@nvidia.com>,
Heiko Carstens <hca@linux.ibm.com>,
linux-um <linux-um@lists.infradead.org>,
Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm <linux-arm-kernel@lists.infradead.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-power <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [RFC PATCH v2 0/3] mm/gup: fix gup_fast with dynamic page table folding
Date: Tue, 8 Sep 2020 07:22:39 +0200 [thread overview]
Message-ID: <9bde9857-fdfd-e384-ea27-a14e5a06f1e6@csgroup.eu> (raw)
In-Reply-To: <20200907201256.GC1976319@kernel.org>
Le 07/09/2020 à 22:12, Mike Rapoport a écrit :
> On Mon, Sep 07, 2020 at 08:00:55PM +0200, Gerald Schaefer wrote:
>> This is v2 of an RFC previously discussed here:
>> https://lore.kernel.org/lkml/20200828140314.8556-1-gerald.schaefer@linux.ibm.com/
>>
>> Patch 1 is a fix for a regression in gup_fast on s390, after our conversion
>> to common gup_fast code. It will introduce special helper functions
>> pXd_addr_end_folded(), which have to be used in places where pagetable walk
>> is done w/o lock and with READ_ONCE, so currently only in gup_fast.
>>
>> Patch 2 is an attempt to make that more generic, i.e. change pXd_addr_end()
>> themselves by adding an extra pXd value parameter. That was suggested by
>> Jason during v1 discussion, because he is already thinking of some other
>> places where he might want to switch to the READ_ONCE logic for pagetable
>> walks. In general, that would be the cleanest / safest solution, but there
>> is some impact on other architectures and common code, hence the new and
>> greatly enlarged recipient list.
>>
>> Patch 3 is a "nice to have" add-on, which makes pXd_addr_end() inline
>> functions instead of #defines, so that we get some type checking for the
>> new pXd value parameter.
>>
>> Not sure about Fixes/stable tags for the generic solution. Only patch 1
>> fixes a real bug on s390, and has Fixes/stable tags. Patches 2 + 3 might
>> still be nice to have in stable, to ease future backports, but I guess
>> "nice to have" does not really qualify for stable backports.
>
> I also think that adding pXd parameter to pXd_addr_end() is a cleaner
> way and with this patch 1 is not really required. I would even merge
> patches 2 and 3 into a single patch and use only it as the fix.
Why not merging patches 2 and 3, but I would keep patch 1 separate but
after the generic changes, so that we first do the generic changes, then
we do the specific S390 use of it.
Christophe
WARNING: multiple messages have this Message-ID (diff)
From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Mike Rapoport <rppt@kernel.org>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
linux-mm <linux-mm@kvack.org>, Paul Mackerras <paulus@samba.org>,
linux-sparc <sparclinux@vger.kernel.org>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Claudio Imbrenda <imbrenda@linux.ibm.com>,
Will Deacon <will@kernel.org>,
linux-arch <linux-arch@vger.kernel.org>,
linux-s390 <linux-s390@vger.kernel.org>,
Vasily Gorbik <gor@linux.ibm.com>, Jason Gunthorpe <jgg@ziepe.ca>,
Richard Weinberger <richard@nod.at>, linux-x86 <x86@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Ingo Molnar <mingo@redhat.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Jeff Dike <jdike@addtoit.com>, Arnd Bergmann <arnd@arndb.de>,
John Hubbard <jhubbard@nvidia.com>,
Heiko Carstens <hca@linux.ibm.com>,
linux-um <linux-um@lists.infradead.org>,
Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm <linux-arm-kernel@lists.infradead.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-power <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [RFC PATCH v2 0/3] mm/gup: fix gup_fast with dynamic page table folding
Date: Tue, 8 Sep 2020 07:22:39 +0200 [thread overview]
Message-ID: <9bde9857-fdfd-e384-ea27-a14e5a06f1e6@csgroup.eu> (raw)
In-Reply-To: <20200907201256.GC1976319@kernel.org>
Le 07/09/2020 à 22:12, Mike Rapoport a écrit :
> On Mon, Sep 07, 2020 at 08:00:55PM +0200, Gerald Schaefer wrote:
>> This is v2 of an RFC previously discussed here:
>> https://lore.kernel.org/lkml/20200828140314.8556-1-gerald.schaefer@linux.ibm.com/
>>
>> Patch 1 is a fix for a regression in gup_fast on s390, after our conversion
>> to common gup_fast code. It will introduce special helper functions
>> pXd_addr_end_folded(), which have to be used in places where pagetable walk
>> is done w/o lock and with READ_ONCE, so currently only in gup_fast.
>>
>> Patch 2 is an attempt to make that more generic, i.e. change pXd_addr_end()
>> themselves by adding an extra pXd value parameter. That was suggested by
>> Jason during v1 discussion, because he is already thinking of some other
>> places where he might want to switch to the READ_ONCE logic for pagetable
>> walks. In general, that would be the cleanest / safest solution, but there
>> is some impact on other architectures and common code, hence the new and
>> greatly enlarged recipient list.
>>
>> Patch 3 is a "nice to have" add-on, which makes pXd_addr_end() inline
>> functions instead of #defines, so that we get some type checking for the
>> new pXd value parameter.
>>
>> Not sure about Fixes/stable tags for the generic solution. Only patch 1
>> fixes a real bug on s390, and has Fixes/stable tags. Patches 2 + 3 might
>> still be nice to have in stable, to ease future backports, but I guess
>> "nice to have" does not really qualify for stable backports.
>
> I also think that adding pXd parameter to pXd_addr_end() is a cleaner
> way and with this patch 1 is not really required. I would even merge
> patches 2 and 3 into a single patch and use only it as the fix.
Why not merging patches 2 and 3, but I would keep patch 1 separate but
after the generic changes, so that we first do the generic changes, then
we do the specific S390 use of it.
Christophe
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Mike Rapoport <rppt@kernel.org>,
Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
linux-mm <linux-mm@kvack.org>, Paul Mackerras <paulus@samba.org>,
linux-sparc <sparclinux@vger.kernel.org>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Claudio Imbrenda <imbrenda@linux.ibm.com>,
Will Deacon <will@kernel.org>,
linux-arch <linux-arch@vger.kernel.org>,
linux-s390 <linux-s390@vger.kernel.org>,
Vasily Gorbik <gor@linux.ibm.com>, Jason Gunthorpe <jgg@ziepe.ca>,
Richard Weinberger <richard@nod.at>, linux-x86 <x86@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Ingo Molnar <mingo@redhat.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Jeff Dike <jdike@addtoit.com>, Arnd Bergmann <arnd@arndb.de>,
John Hubbard <jhubbard@nvidia.com>,
Heiko Carstens <hca@linux.ibm.com>,
linux-um <linux-um@lists.infradead.org>,
Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-arm <linux-arm-kernel@lists.infradead.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-power <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [RFC PATCH v2 0/3] mm/gup: fix gup_fast with dynamic page table folding
Date: Tue, 8 Sep 2020 07:22:39 +0200 [thread overview]
Message-ID: <9bde9857-fdfd-e384-ea27-a14e5a06f1e6@csgroup.eu> (raw)
In-Reply-To: <20200907201256.GC1976319@kernel.org>
Le 07/09/2020 à 22:12, Mike Rapoport a écrit :
> On Mon, Sep 07, 2020 at 08:00:55PM +0200, Gerald Schaefer wrote:
>> This is v2 of an RFC previously discussed here:
>> https://lore.kernel.org/lkml/20200828140314.8556-1-gerald.schaefer@linux.ibm.com/
>>
>> Patch 1 is a fix for a regression in gup_fast on s390, after our conversion
>> to common gup_fast code. It will introduce special helper functions
>> pXd_addr_end_folded(), which have to be used in places where pagetable walk
>> is done w/o lock and with READ_ONCE, so currently only in gup_fast.
>>
>> Patch 2 is an attempt to make that more generic, i.e. change pXd_addr_end()
>> themselves by adding an extra pXd value parameter. That was suggested by
>> Jason during v1 discussion, because he is already thinking of some other
>> places where he might want to switch to the READ_ONCE logic for pagetable
>> walks. In general, that would be the cleanest / safest solution, but there
>> is some impact on other architectures and common code, hence the new and
>> greatly enlarged recipient list.
>>
>> Patch 3 is a "nice to have" add-on, which makes pXd_addr_end() inline
>> functions instead of #defines, so that we get some type checking for the
>> new pXd value parameter.
>>
>> Not sure about Fixes/stable tags for the generic solution. Only patch 1
>> fixes a real bug on s390, and has Fixes/stable tags. Patches 2 + 3 might
>> still be nice to have in stable, to ease future backports, but I guess
>> "nice to have" does not really qualify for stable backports.
>
> I also think that adding pXd parameter to pXd_addr_end() is a cleaner
> way and with this patch 1 is not really required. I would even merge
> patches 2 and 3 into a single patch and use only it as the fix.
Why not merging patches 2 and 3, but I would keep patch 1 separate but
after the generic changes, so that we first do the generic changes, then
we do the specific S390 use of it.
Christophe
_______________________________________________
linux-um mailing list
linux-um@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-um
next prev parent reply other threads:[~2020-09-08 5:22 UTC|newest]
Thread overview: 313+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-07 18:00 [RFC PATCH v2 0/3] mm/gup: fix gup_fast with dynamic page table folding Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-07 18:00 ` [RFC PATCH v2 1/3] " Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-08 5:06 ` Christophe Leroy
2020-09-08 5:06 ` Christophe Leroy
2020-09-08 5:06 ` Christophe Leroy
2020-09-08 5:06 ` Christophe Leroy
2020-09-08 5:06 ` Christophe Leroy
2020-09-08 12:09 ` Christian Borntraeger
2020-09-08 12:09 ` Christian Borntraeger
2020-09-08 12:09 ` Christian Borntraeger
2020-09-08 12:09 ` Christian Borntraeger
2020-09-08 12:09 ` Christian Borntraeger
2020-09-08 12:40 ` Christophe Leroy
2020-09-08 12:40 ` Christophe Leroy
2020-09-08 12:40 ` Christophe Leroy
2020-09-08 12:40 ` Christophe Leroy
2020-09-08 12:40 ` Christophe Leroy
2020-09-08 13:38 ` Gerald Schaefer
2020-09-08 13:38 ` Gerald Schaefer
2020-09-08 13:38 ` Gerald Schaefer
2020-09-08 13:38 ` Gerald Schaefer
2020-09-08 13:38 ` Gerald Schaefer
2020-09-08 14:30 ` Dave Hansen
2020-09-08 14:30 ` Dave Hansen
2020-09-08 14:30 ` Dave Hansen
2020-09-08 14:30 ` Dave Hansen
2020-09-08 17:59 ` Gerald Schaefer
2020-09-08 17:59 ` Gerald Schaefer
2020-09-08 17:59 ` Gerald Schaefer
2020-09-08 17:59 ` Gerald Schaefer
2020-09-08 17:59 ` Gerald Schaefer
2020-09-09 12:29 ` Gerald Schaefer
2020-09-09 12:29 ` Gerald Schaefer
2020-09-09 12:29 ` Gerald Schaefer
2020-09-09 12:29 ` Gerald Schaefer
2020-09-09 12:29 ` Gerald Schaefer
2020-09-09 16:18 ` Dave Hansen
2020-09-09 16:18 ` Dave Hansen
2020-09-09 16:18 ` Dave Hansen
2020-09-09 16:18 ` Dave Hansen
2020-09-09 16:18 ` Dave Hansen
2020-09-09 17:25 ` Gerald Schaefer
2020-09-09 17:25 ` Gerald Schaefer
2020-09-09 17:25 ` Gerald Schaefer
2020-09-09 17:25 ` Gerald Schaefer
2020-09-09 17:25 ` Gerald Schaefer
2020-09-09 18:03 ` Jason Gunthorpe
2020-09-09 18:03 ` Jason Gunthorpe
2020-09-09 18:03 ` Jason Gunthorpe
2020-09-09 18:03 ` Jason Gunthorpe
2020-09-09 18:03 ` Jason Gunthorpe
2020-09-10 9:39 ` Alexander Gordeev
2020-09-10 9:39 ` Alexander Gordeev
2020-09-10 9:39 ` Alexander Gordeev
2020-09-10 9:39 ` Alexander Gordeev
2020-09-10 9:39 ` Alexander Gordeev
2020-09-10 13:02 ` Jason Gunthorpe
2020-09-10 13:02 ` Jason Gunthorpe
2020-09-10 13:02 ` Jason Gunthorpe
2020-09-10 13:02 ` Jason Gunthorpe
2020-09-10 13:02 ` Jason Gunthorpe
2020-09-10 13:28 ` Gerald Schaefer
2020-09-10 13:28 ` Gerald Schaefer
2020-09-10 13:28 ` Gerald Schaefer
2020-09-10 13:28 ` Gerald Schaefer
2020-09-10 13:28 ` Gerald Schaefer
2020-09-10 15:10 ` Jason Gunthorpe
2020-09-10 15:10 ` Jason Gunthorpe
2020-09-10 15:10 ` Jason Gunthorpe
2020-09-10 15:10 ` Jason Gunthorpe
2020-09-10 15:10 ` Jason Gunthorpe
2020-09-10 17:07 ` Gerald Schaefer
2020-09-10 17:07 ` Gerald Schaefer
2020-09-10 17:07 ` Gerald Schaefer
2020-09-10 17:07 ` Gerald Schaefer
2020-09-10 17:07 ` Gerald Schaefer
2020-09-10 17:19 ` Jason Gunthorpe
2020-09-10 17:19 ` Jason Gunthorpe
2020-09-10 17:19 ` Jason Gunthorpe
2020-09-10 17:19 ` Jason Gunthorpe
2020-09-10 17:19 ` Jason Gunthorpe
2020-09-10 17:57 ` Gerald Schaefer
2020-09-10 17:57 ` Gerald Schaefer
2020-09-10 17:57 ` Gerald Schaefer
2020-09-10 17:57 ` Gerald Schaefer
2020-09-10 17:57 ` Gerald Schaefer
2020-09-10 23:21 ` Jason Gunthorpe
2020-09-10 23:21 ` Jason Gunthorpe
2020-09-10 23:21 ` Jason Gunthorpe
2020-09-10 23:21 ` Jason Gunthorpe
2020-09-10 23:21 ` Jason Gunthorpe
2020-09-10 17:35 ` Linus Torvalds
2020-09-10 17:35 ` Linus Torvalds
2020-09-10 17:35 ` Linus Torvalds
2020-09-10 17:35 ` Linus Torvalds
2020-09-10 17:35 ` Linus Torvalds
2020-09-10 17:35 ` Linus Torvalds
2020-09-10 18:13 ` Jason Gunthorpe
2020-09-10 18:13 ` Jason Gunthorpe
2020-09-10 18:13 ` Jason Gunthorpe
2020-09-10 18:13 ` Jason Gunthorpe
2020-09-10 18:13 ` Jason Gunthorpe
2020-09-10 18:33 ` Linus Torvalds
2020-09-10 18:33 ` Linus Torvalds
2020-09-10 18:33 ` Linus Torvalds
2020-09-10 18:33 ` Linus Torvalds
2020-09-10 18:33 ` Linus Torvalds
2020-09-10 19:10 ` Gerald Schaefer
2020-09-10 19:10 ` Gerald Schaefer
2020-09-10 19:10 ` Gerald Schaefer
2020-09-10 19:10 ` Gerald Schaefer
2020-09-10 19:10 ` Gerald Schaefer
2020-09-10 19:32 ` Linus Torvalds
2020-09-10 19:32 ` Linus Torvalds
2020-09-10 19:32 ` Linus Torvalds
2020-09-10 19:32 ` Linus Torvalds
2020-09-10 19:32 ` Linus Torvalds
2020-09-10 21:59 ` Jason Gunthorpe
2020-09-10 21:59 ` Jason Gunthorpe
2020-09-10 21:59 ` Jason Gunthorpe
2020-09-10 21:59 ` Jason Gunthorpe
2020-09-10 21:59 ` Jason Gunthorpe
2020-09-11 7:09 ` peterz
2020-09-11 7:09 ` peterz
2020-09-11 7:09 ` peterz
2020-09-11 7:09 ` peterz
2020-09-11 7:09 ` peterz
2020-09-11 11:19 ` Jason Gunthorpe
2020-09-11 11:19 ` Jason Gunthorpe
2020-09-11 11:19 ` Jason Gunthorpe
2020-09-11 11:19 ` Jason Gunthorpe
2020-09-11 11:19 ` Jason Gunthorpe
2020-09-11 19:03 ` [PATCH] " Vasily Gorbik
2020-09-11 19:03 ` Vasily Gorbik
2020-09-11 19:03 ` Vasily Gorbik
2020-09-11 19:03 ` Vasily Gorbik
2020-09-11 19:03 ` Vasily Gorbik
2020-09-11 19:09 ` Linus Torvalds
2020-09-11 19:09 ` Linus Torvalds
2020-09-11 19:09 ` Linus Torvalds
2020-09-11 19:09 ` Linus Torvalds
2020-09-11 19:09 ` Linus Torvalds
2020-09-11 19:40 ` Jason Gunthorpe
2020-09-11 19:40 ` Jason Gunthorpe
2020-09-11 19:40 ` Jason Gunthorpe
2020-09-11 19:40 ` Jason Gunthorpe
2020-09-11 19:40 ` Jason Gunthorpe
2020-09-11 20:05 ` Jason Gunthorpe
2020-09-11 20:05 ` Jason Gunthorpe
2020-09-11 20:05 ` Jason Gunthorpe
2020-09-11 20:05 ` Jason Gunthorpe
2020-09-11 20:05 ` Jason Gunthorpe
2020-09-11 20:36 ` [PATCH v2] " Vasily Gorbik
2020-09-11 20:36 ` Vasily Gorbik
2020-09-11 20:36 ` Vasily Gorbik
2020-09-11 20:36 ` Vasily Gorbik
2020-09-11 20:36 ` Vasily Gorbik
2020-09-15 17:09 ` Vasily Gorbik
2020-09-15 17:09 ` Vasily Gorbik
2020-09-15 17:09 ` Vasily Gorbik
2020-09-15 17:09 ` Vasily Gorbik
2020-09-15 17:09 ` Vasily Gorbik
2020-09-15 17:14 ` Jason Gunthorpe
2020-09-15 17:14 ` Jason Gunthorpe
2020-09-15 17:14 ` Jason Gunthorpe
2020-09-15 17:14 ` Jason Gunthorpe
2020-09-15 17:14 ` Jason Gunthorpe
2020-09-15 17:18 ` Mike Rapoport
2020-09-15 17:18 ` Mike Rapoport
2020-09-15 17:18 ` Mike Rapoport
2020-09-15 17:18 ` Mike Rapoport
2020-09-15 17:18 ` Mike Rapoport
2020-09-15 17:31 ` John Hubbard
2020-09-15 17:31 ` John Hubbard
2020-09-15 17:31 ` John Hubbard
2020-09-15 17:31 ` John Hubbard
2020-09-15 17:31 ` John Hubbard
2020-09-17 15:53 ` Sasha Levin
2020-09-18 15:15 ` Vasily Gorbik
2020-09-18 15:15 ` [PATCH stable-5.4.y backport] " Vasily Gorbik
2020-09-10 21:22 ` [RFC PATCH v2 1/3] " John Hubbard
2020-09-10 21:22 ` John Hubbard
2020-09-10 21:22 ` John Hubbard
2020-09-10 21:22 ` John Hubbard
2020-09-10 21:22 ` John Hubbard
2020-09-10 22:11 ` Jason Gunthorpe
2020-09-10 22:11 ` Jason Gunthorpe
2020-09-10 22:11 ` Jason Gunthorpe
2020-09-10 22:11 ` Jason Gunthorpe
2020-09-10 22:11 ` Jason Gunthorpe
2020-09-10 22:17 ` John Hubbard
2020-09-10 22:17 ` John Hubbard
2020-09-10 22:17 ` John Hubbard
2020-09-10 22:17 ` John Hubbard
2020-09-10 22:17 ` John Hubbard
2020-09-11 12:19 ` Alexander Gordeev
2020-09-11 12:19 ` Alexander Gordeev
2020-09-11 12:19 ` Alexander Gordeev
2020-09-11 12:19 ` Alexander Gordeev
2020-09-11 12:19 ` Alexander Gordeev
2020-09-11 16:45 ` Linus Torvalds
2020-09-11 16:45 ` Linus Torvalds
2020-09-11 16:45 ` Linus Torvalds
2020-09-11 16:45 ` Linus Torvalds
2020-09-11 16:45 ` Linus Torvalds
2020-09-10 13:11 ` Gerald Schaefer
2020-09-10 13:11 ` Gerald Schaefer
2020-09-10 13:11 ` Gerald Schaefer
2020-09-10 13:11 ` Gerald Schaefer
2020-09-10 13:11 ` Gerald Schaefer
2020-09-07 18:00 ` [RFC PATCH v2 2/3] mm: make pXd_addr_end() functions page-table entry aware Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-08 5:14 ` Christophe Leroy
2020-09-08 5:14 ` Christophe Leroy
2020-09-08 5:14 ` Christophe Leroy
2020-09-08 5:14 ` Christophe Leroy
2020-09-08 5:14 ` Christophe Leroy
2020-09-08 7:46 ` Alexander Gordeev
2020-09-08 7:46 ` Alexander Gordeev
2020-09-08 7:46 ` Alexander Gordeev
2020-09-08 7:46 ` Alexander Gordeev
2020-09-08 7:46 ` Alexander Gordeev
2020-09-08 8:16 ` Christophe Leroy
2020-09-08 8:16 ` Christophe Leroy
2020-09-08 8:16 ` Christophe Leroy
2020-09-08 8:16 ` Christophe Leroy
2020-09-08 8:16 ` Christophe Leroy
2020-09-08 14:15 ` Alexander Gordeev
2020-09-08 14:15 ` Alexander Gordeev
2020-09-08 14:15 ` Alexander Gordeev
2020-09-08 14:15 ` Alexander Gordeev
2020-09-08 14:15 ` Alexander Gordeev
2020-09-09 8:38 ` Christophe Leroy
2020-09-09 8:38 ` Christophe Leroy
2020-09-09 8:38 ` Christophe Leroy
2020-09-09 8:38 ` Christophe Leroy
2020-09-09 8:38 ` Christophe Leroy
2020-09-08 14:25 ` Alexander Gordeev
2020-09-08 14:25 ` Alexander Gordeev
2020-09-08 14:25 ` Alexander Gordeev
2020-09-08 14:25 ` Alexander Gordeev
2020-09-08 14:25 ` Alexander Gordeev
2020-09-08 13:26 ` Jason Gunthorpe
2020-09-08 13:26 ` Jason Gunthorpe
2020-09-08 13:26 ` Jason Gunthorpe
2020-09-08 13:26 ` Jason Gunthorpe
2020-09-08 13:26 ` Jason Gunthorpe
2020-09-08 14:33 ` Dave Hansen
2020-09-08 14:33 ` Dave Hansen
2020-09-08 14:33 ` Dave Hansen
2020-09-08 14:33 ` Dave Hansen
2020-09-07 18:00 ` [RFC PATCH v2 3/3] mm: make generic pXd_addr_end() macros inline functions Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-07 18:00 ` Gerald Schaefer
2020-09-07 20:15 ` Mike Rapoport
2020-09-07 20:15 ` Mike Rapoport
2020-09-07 20:15 ` Mike Rapoport
2020-09-07 20:15 ` Mike Rapoport
2020-09-07 20:15 ` Mike Rapoport
2020-09-08 5:19 ` Christophe Leroy
2020-09-08 5:19 ` Christophe Leroy
2020-09-08 5:19 ` Christophe Leroy
2020-09-08 5:19 ` Christophe Leroy
2020-09-08 5:19 ` Christophe Leroy
2020-09-08 15:48 ` Alexander Gordeev
2020-09-08 15:48 ` Alexander Gordeev
2020-09-08 15:48 ` Alexander Gordeev
2020-09-08 15:48 ` Alexander Gordeev
2020-09-08 15:48 ` Alexander Gordeev
2020-09-08 17:20 ` Christophe Leroy
2020-09-08 17:20 ` Christophe Leroy
2020-09-08 17:20 ` Christophe Leroy
2020-09-08 17:20 ` Christophe Leroy
2020-09-08 17:20 ` Christophe Leroy
2020-09-08 16:05 ` kernel test robot
2020-09-07 20:12 ` [RFC PATCH v2 0/3] mm/gup: fix gup_fast with dynamic page table folding Mike Rapoport
2020-09-07 20:12 ` Mike Rapoport
2020-09-07 20:12 ` Mike Rapoport
2020-09-07 20:12 ` Mike Rapoport
2020-09-07 20:12 ` Mike Rapoport
2020-09-08 5:22 ` Christophe Leroy [this message]
2020-09-08 5:22 ` Christophe Leroy
2020-09-08 5:22 ` Christophe Leroy
2020-09-08 5:22 ` Christophe Leroy
2020-09-08 5:22 ` Christophe Leroy
2020-09-08 17:36 ` Gerald Schaefer
2020-09-08 17:36 ` Gerald Schaefer
2020-09-08 17:36 ` Gerald Schaefer
2020-09-08 17:36 ` Gerald Schaefer
2020-09-08 17:36 ` Gerald Schaefer
2020-09-09 16:12 ` Gerald Schaefer
2020-09-09 16:12 ` Gerald Schaefer
2020-09-09 16:12 ` Gerald Schaefer
2020-09-09 16:12 ` Gerald Schaefer
2020-09-09 16:12 ` Gerald Schaefer
2020-09-08 4:42 ` Christophe Leroy
2020-09-08 4:42 ` Christophe Leroy
2020-09-08 4:42 ` Christophe Leroy
2020-09-08 4:42 ` Christophe Leroy
2020-09-08 4:42 ` Christophe Leroy
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=9bde9857-fdfd-e384-ea27-a14e5a06f1e6@csgroup.eu \
--to=christophe.leroy@csgroup.eu \
--cc=agordeev@linux.ibm.com \
--cc=akpm@linux-foundation.org \
--cc=arnd@arndb.de \
--cc=aryabinin@virtuozzo.com \
--cc=borntraeger@de.ibm.com \
--cc=bp@alien8.de \
--cc=catalin.marinas@arm.com \
--cc=dave.hansen@linux.intel.com \
--cc=gerald.schaefer@linux.ibm.com \
--cc=gor@linux.ibm.com \
--cc=hca@linux.ibm.com \
--cc=imbrenda@linux.ibm.com \
--cc=jdike@addtoit.com \
--cc=jgg@ziepe.ca \
--cc=jhubbard@nvidia.com \
--cc=linux-arch@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-s390@vger.kernel.org \
--cc=linux-um@lists.infradead.org \
--cc=linux@armlinux.org.uk \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=luto@kernel.org \
--cc=mingo@redhat.com \
--cc=paulus@samba.org \
--cc=peterz@infradead.org \
--cc=richard@nod.at \
--cc=rppt@kernel.org \
--cc=sparclinux@vger.kernel.org \
--cc=tglx@linutronix.de \
--cc=torvalds@linux-foundation.org \
--cc=will@kernel.org \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.