From: John Hubbard <jhubbard@nvidia.com>
To: Ira Weiny <ira.weiny@intel.com>
Cc: "Andrew Morton" <akpm@linux-foundation.org>,
"Al Viro" <viro@zeniv.linux.org.uk>,
"Alex Williamson" <alex.williamson@redhat.com>,
"Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
"Björn Töpel" <bjorn.topel@intel.com>,
"Christoph Hellwig" <hch@infradead.org>,
"Dan Williams" <dan.j.williams@intel.com>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Dave Chinner" <david@fromorbit.com>,
"David Airlie" <airlied@linux.ie>,
"David S . Miller" <davem@davemloft.net>,
"Jan Kara" <jack@suse.cz>, "Jason Gunthorpe" <jgg@ziepe.ca>,
"Jens Axboe" <axboe@kernel.dk>,
"Jonathan Corbet" <corbet@lwn.net>,
"Jérôme Glisse" <jglisse@redhat.com>,
"Magnus Karlsson" <magnus.karlsson@intel.com>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Michal Hocko" <mhocko@suse.com>,
"Mike Kravetz" <mike.kravetz@oracle.com>,
"Paul Mackerras" <paulus@samba.org>,
"Shuah Khan" <shuah@kernel.org>,
"Vlastimil Babka" <vbabka@suse.cz>,
bpf@vger.kernel.org, dri-devel@lists.freedesktop.org,
kvm@vger.kernel.org, linux-block@vger.kernel.org,
linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kselftest@vger.kernel.org, linux-media@vger.kernel.org,
linux-rdma@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
netdev@vger.kernel.org, linux-mm@kvack.org,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v4 23/23] mm/gup: remove support for gup(FOLL_LONGTERM)
Date: Wed, 13 Nov 2019 15:27:00 -0800 [thread overview]
Message-ID: <4e24c5af-bd96-e7c7-179b-0ca0f6abb852@nvidia.com> (raw)
In-Reply-To: <20191113190935.GD12947@iweiny-DESK2.sc.intel.com>
On 11/13/19 11:09 AM, Ira Weiny wrote:
...
>> diff --git a/mm/gup.c b/mm/gup.c
>> index 82e7e4ce5027..90f5f95ee7ac 100644
>> --- a/mm/gup.c
>> +++ b/mm/gup.c
>> @@ -1756,11 +1756,11 @@ long get_user_pages(unsigned long start, unsigned long nr_pages,
>> struct vm_area_struct **vmas)
>> {
>> /*
>> - * FOLL_PIN must only be set internally by the pin_user_page*() and
>> - * pin_longterm_*() APIs, never directly by the caller, so enforce that
>> - * with an assertion:
>> + * FOLL_PIN and FOLL_LONGTERM must only be set internally by the
>> + * pin_user_page*() and pin_longterm_*() APIs, never directly by the
>> + * caller, so enforce that with an assertion:
>> */
>> - if (WARN_ON_ONCE(gup_flags & FOLL_PIN))
>> + if (WARN_ON_ONCE(gup_flags & (FOLL_PIN | FOLL_LONGTERM)))
>
> Don't we want to block FOLL_LONGTERM in get_user_pages_fast() as well after all
> this?
>
Yes. But with the latest idea to restore FOLL_LONGTERM to its original glory,
that won't be an issue in the next version. heh.
thanks,
--
John Hubbard
NVIDIA
WARNING: multiple messages have this Message-ID (diff)
From: John Hubbard <jhubbard@nvidia.com>
To: Ira Weiny <ira.weiny@intel.com>
Cc: "Michal Hocko" <mhocko@suse.com>, "Jan Kara" <jack@suse.cz>,
kvm@vger.kernel.org, linux-doc@vger.kernel.org,
"David Airlie" <airlied@linux.ie>,
"Dave Chinner" <david@fromorbit.com>,
dri-devel@lists.freedesktop.org,
LKML <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org, "Paul Mackerras" <paulus@samba.org>,
linux-kselftest@vger.kernel.org, "Shuah Khan" <shuah@kernel.org>,
"Jonathan Corbet" <corbet@lwn.net>,
linux-rdma@vger.kernel.org,
"Christoph Hellwig" <hch@infradead.org>,
"Jason Gunthorpe" <jgg@ziepe.ca>,
"Vlastimil Babka" <vbabka@suse.cz>,
"Björn Töpel" <bjorn.topel@intel.com>,
linux-media@vger.kernel.org, linux-block@vger.kernel.org,
"Jérôme Glisse" <jglisse@redhat.com>,
"Al Viro" <viro@zeniv.linux.org.uk>,
"Dan Williams" <dan.j.williams@intel.com>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
bpf@vger.kernel.org,
"Magnus Karlsson" <magnus.karlsson@intel.com>,
"Jens Axboe" <axboe@kernel.dk>,
netdev@vger.kernel.org,
"Alex Williamson" <alex.williamson@redhat.com>,
"Daniel Vetter" <daniel@ffwll.ch>,
linux-fsdevel@vger.kernel.org,
"Andrew Morton" <akpm@linux-foundation.org>,
linuxppc-dev@lists.ozlabs.org,
"David S . Miller" <davem@davemloft.net>,
"Mike Kravetz" <mike.kravetz@oracle.com>
Subject: Re: [PATCH v4 23/23] mm/gup: remove support for gup(FOLL_LONGTERM)
Date: Wed, 13 Nov 2019 15:27:00 -0800 [thread overview]
Message-ID: <4e24c5af-bd96-e7c7-179b-0ca0f6abb852@nvidia.com> (raw)
In-Reply-To: <20191113190935.GD12947@iweiny-DESK2.sc.intel.com>
On 11/13/19 11:09 AM, Ira Weiny wrote:
...
>> diff --git a/mm/gup.c b/mm/gup.c
>> index 82e7e4ce5027..90f5f95ee7ac 100644
>> --- a/mm/gup.c
>> +++ b/mm/gup.c
>> @@ -1756,11 +1756,11 @@ long get_user_pages(unsigned long start, unsigned long nr_pages,
>> struct vm_area_struct **vmas)
>> {
>> /*
>> - * FOLL_PIN must only be set internally by the pin_user_page*() and
>> - * pin_longterm_*() APIs, never directly by the caller, so enforce that
>> - * with an assertion:
>> + * FOLL_PIN and FOLL_LONGTERM must only be set internally by the
>> + * pin_user_page*() and pin_longterm_*() APIs, never directly by the
>> + * caller, so enforce that with an assertion:
>> */
>> - if (WARN_ON_ONCE(gup_flags & FOLL_PIN))
>> + if (WARN_ON_ONCE(gup_flags & (FOLL_PIN | FOLL_LONGTERM)))
>
> Don't we want to block FOLL_LONGTERM in get_user_pages_fast() as well after all
> this?
>
Yes. But with the latest idea to restore FOLL_LONGTERM to its original glory,
that won't be an issue in the next version. heh.
thanks,
--
John Hubbard
NVIDIA
WARNING: multiple messages have this Message-ID (diff)
From: John Hubbard <jhubbard@nvidia.com>
To: Ira Weiny <ira.weiny@intel.com>
Cc: "Andrew Morton" <akpm@linux-foundation.org>,
"Al Viro" <viro@zeniv.linux.org.uk>,
"Alex Williamson" <alex.williamson@redhat.com>,
"Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
"Björn Töpel" <bjorn.topel@intel.com>,
"Christoph Hellwig" <hch@infradead.org>,
"Dan Williams" <dan.j.williams@intel.com>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Dave Chinner" <david@fromorbit.com>,
"David Airlie" <airlied@linux.ie>,
"David S . Miller" <davem@davemloft.net>,
"Jan Kara" <jack@suse.cz>, "Jason Gunthorpe" <jgg@ziepe.ca>,
"Jens Axboe" <axboe@kernel.dk>,
"Jonathan Corbet" <corbet@lwn.net>,
"Jérôme Glisse" <jglisse@redhat.com>,
"Magnus Karlsson" <magnus.karlsson@intel.com>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Michael Ellerman" <mpe@ellerman.id.au>
Subject: Re: [PATCH v4 23/23] mm/gup: remove support for gup(FOLL_LONGTERM)
Date: Wed, 13 Nov 2019 15:27:00 -0800 [thread overview]
Message-ID: <4e24c5af-bd96-e7c7-179b-0ca0f6abb852@nvidia.com> (raw)
In-Reply-To: <20191113190935.GD12947@iweiny-DESK2.sc.intel.com>
On 11/13/19 11:09 AM, Ira Weiny wrote:
...
>> diff --git a/mm/gup.c b/mm/gup.c
>> index 82e7e4ce5027..90f5f95ee7ac 100644
>> --- a/mm/gup.c
>> +++ b/mm/gup.c
>> @@ -1756,11 +1756,11 @@ long get_user_pages(unsigned long start, unsigned long nr_pages,
>> struct vm_area_struct **vmas)
>> {
>> /*
>> - * FOLL_PIN must only be set internally by the pin_user_page*() and
>> - * pin_longterm_*() APIs, never directly by the caller, so enforce that
>> - * with an assertion:
>> + * FOLL_PIN and FOLL_LONGTERM must only be set internally by the
>> + * pin_user_page*() and pin_longterm_*() APIs, never directly by the
>> + * caller, so enforce that with an assertion:
>> */
>> - if (WARN_ON_ONCE(gup_flags & FOLL_PIN))
>> + if (WARN_ON_ONCE(gup_flags & (FOLL_PIN | FOLL_LONGTERM)))
>
> Don't we want to block FOLL_LONGTERM in get_user_pages_fast() as well after all
> this?
>
Yes. But with the latest idea to restore FOLL_LONGTERM to its original glory,
that won't be an issue in the next version. heh.
thanks,
--
John Hubbard
NVIDIA
WARNING: multiple messages have this Message-ID (diff)
From: John Hubbard <jhubbard@nvidia.com>
To: Ira Weiny <ira.weiny@intel.com>
Cc: "Michal Hocko" <mhocko@suse.com>, "Jan Kara" <jack@suse.cz>,
kvm@vger.kernel.org, linux-doc@vger.kernel.org,
"David Airlie" <airlied@linux.ie>,
"Dave Chinner" <david@fromorbit.com>,
dri-devel@lists.freedesktop.org,
LKML <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org, "Paul Mackerras" <paulus@samba.org>,
linux-kselftest@vger.kernel.org, "Shuah Khan" <shuah@kernel.org>,
"Jonathan Corbet" <corbet@lwn.net>,
linux-rdma@vger.kernel.org,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Christoph Hellwig" <hch@infradead.org>,
"Jason Gunthorpe" <jgg@ziepe.ca>,
"Vlastimil Babka" <vbabka@suse.cz>,
"Björn Töpel" <bjorn.topel@intel.com>,
linux-media@vger.kernel.org, linux-block@vger.kernel.org,
"Jérôme Glisse" <jglisse@redhat.com>,
"Al Viro" <viro@zeniv.linux.org.uk>,
"Dan Williams" <dan.j.williams@intel.com>,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
bpf@vger.kernel.org,
"Magnus Karlsson" <magnus.karlsson@intel.com>,
"Jens Axboe" <axboe@kernel.dk>,
netdev@vger.kernel.org,
"Alex Williamson" <alex.williamson@redhat.com>,
linux-fsdevel@vger.kernel.org,
"Andrew Morton" <akpm@linux-foundation.org>,
linuxppc-dev@lists.ozlabs.org,
"David S . Miller" <davem@davemloft.net>,
"Mike Kravetz" <mike.kravetz@oracle.com>
Subject: Re: [PATCH v4 23/23] mm/gup: remove support for gup(FOLL_LONGTERM)
Date: Wed, 13 Nov 2019 15:27:00 -0800 [thread overview]
Message-ID: <4e24c5af-bd96-e7c7-179b-0ca0f6abb852@nvidia.com> (raw)
Message-ID: <20191113232700.pF6UimT0Gk8DPxvRQPRoFfwNq-wWhIyr3FgW4_v8bfw@z> (raw)
In-Reply-To: <20191113190935.GD12947@iweiny-DESK2.sc.intel.com>
On 11/13/19 11:09 AM, Ira Weiny wrote:
...
>> diff --git a/mm/gup.c b/mm/gup.c
>> index 82e7e4ce5027..90f5f95ee7ac 100644
>> --- a/mm/gup.c
>> +++ b/mm/gup.c
>> @@ -1756,11 +1756,11 @@ long get_user_pages(unsigned long start, unsigned long nr_pages,
>> struct vm_area_struct **vmas)
>> {
>> /*
>> - * FOLL_PIN must only be set internally by the pin_user_page*() and
>> - * pin_longterm_*() APIs, never directly by the caller, so enforce that
>> - * with an assertion:
>> + * FOLL_PIN and FOLL_LONGTERM must only be set internally by the
>> + * pin_user_page*() and pin_longterm_*() APIs, never directly by the
>> + * caller, so enforce that with an assertion:
>> */
>> - if (WARN_ON_ONCE(gup_flags & FOLL_PIN))
>> + if (WARN_ON_ONCE(gup_flags & (FOLL_PIN | FOLL_LONGTERM)))
>
> Don't we want to block FOLL_LONGTERM in get_user_pages_fast() as well after all
> this?
>
Yes. But with the latest idea to restore FOLL_LONGTERM to its original glory,
that won't be an issue in the next version. heh.
thanks,
--
John Hubbard
NVIDIA
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
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next prev parent reply other threads:[~2019-11-13 23:29 UTC|newest]
Thread overview: 216+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-13 4:26 [PATCH v4 00/23] mm/gup: track dma-pinned pages: FOLL_PIN, FOLL_LONGTERM John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` [PATCH v4 01/23] mm/gup: pass flags arg to __gup_device_* functions John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 10:50 ` Jan Kara
2019-11-13 10:50 ` Jan Kara
2019-11-13 10:50 ` Jan Kara
2019-11-13 10:50 ` Jan Kara
2019-11-13 4:26 ` [PATCH v4 02/23] mm/gup: factor out duplicate code from four routines John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 11:15 ` Jan Kara
2019-11-13 11:15 ` Jan Kara
2019-11-13 11:15 ` Jan Kara
2019-11-13 11:15 ` Jan Kara
2019-11-13 23:12 ` John Hubbard
2019-11-13 23:12 ` John Hubbard
2019-11-13 23:12 ` John Hubbard
2019-11-13 23:12 ` John Hubbard
2019-11-13 4:26 ` [PATCH v4 03/23] mm/gup: move try_get_compound_head() to top, fix minor issues John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 10:50 ` Jan Kara
2019-11-13 10:50 ` Jan Kara
2019-11-13 10:50 ` Jan Kara
2019-11-13 10:50 ` Jan Kara
2019-11-13 18:38 ` Ira Weiny
2019-11-13 18:38 ` Ira Weiny
2019-11-13 18:38 ` Ira Weiny
2019-11-13 18:38 ` Ira Weiny
2019-11-13 4:26 ` [PATCH v4 04/23] mm: devmap: refactor 1-based refcounting for ZONE_DEVICE pages John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 10:49 ` Jan Kara
2019-11-13 10:49 ` Jan Kara
2019-11-13 10:49 ` Jan Kara
2019-11-13 10:49 ` Jan Kara
2019-11-13 19:09 ` Jerome Glisse
2019-11-13 19:09 ` Jerome Glisse
2019-11-13 19:09 ` Jerome Glisse
2019-11-13 19:09 ` Jerome Glisse
2019-11-13 19:23 ` Dan Williams
2019-11-13 19:23 ` Dan Williams
2019-11-13 19:23 ` Dan Williams
2019-11-13 19:23 ` Dan Williams
2019-11-13 22:00 ` Dan Williams
2019-11-13 22:00 ` Dan Williams
2019-11-13 22:00 ` Dan Williams
2019-11-13 22:00 ` Dan Williams
2019-11-13 22:46 ` John Hubbard
2019-11-13 22:46 ` John Hubbard
2019-11-13 22:46 ` John Hubbard
2019-11-13 22:46 ` John Hubbard
2019-11-13 22:55 ` Dan Williams
2019-11-13 22:55 ` Dan Williams
2019-11-13 22:55 ` Dan Williams
2019-11-13 22:55 ` Dan Williams
2019-11-13 22:56 ` John Hubbard
2019-11-13 22:56 ` John Hubbard
2019-11-13 22:56 ` John Hubbard
2019-11-13 22:56 ` John Hubbard
2019-11-13 23:03 ` Jerome Glisse
2019-11-13 23:03 ` Jerome Glisse
2019-11-13 23:03 ` Jerome Glisse
2019-11-13 23:03 ` Jerome Glisse
2019-11-13 4:26 ` [PATCH v4 05/23] goldish_pipe: rename local pin_user_pages() routine John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` [PATCH v4 06/23] IB/umem: use get_user_pages_fast() to pin DMA pages John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` [PATCH v4 07/23] media/v4l2-core: set pages dirty upon releasing DMA buffers John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` [PATCH v4 08/23] vfio, mm: fix get_user_pages_remote() and FOLL_LONGTERM John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 13:02 ` Jason Gunthorpe
2019-11-13 13:02 ` Jason Gunthorpe
2019-11-13 13:02 ` Jason Gunthorpe
2019-11-13 13:02 ` Jason Gunthorpe
2019-11-13 19:17 ` Ira Weiny
2019-11-13 19:17 ` Ira Weiny
2019-11-13 19:17 ` Ira Weiny
2019-11-13 19:17 ` Ira Weiny
2019-11-13 20:19 ` John Hubbard
2019-11-13 20:19 ` John Hubbard
2019-11-13 20:19 ` John Hubbard
2019-11-13 20:19 ` John Hubbard
2019-11-13 18:47 ` Ira Weiny
2019-11-13 18:47 ` Ira Weiny
2019-11-13 18:47 ` Ira Weiny
2019-11-13 18:47 ` Ira Weiny
2019-11-13 4:26 ` [PATCH v4 09/23] mm/gup: introduce pin_user_pages*() and FOLL_PIN John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 10:43 ` Jan Kara
2019-11-13 10:43 ` Jan Kara
2019-11-13 10:43 ` Jan Kara
2019-11-13 10:43 ` Jan Kara
2019-11-13 18:31 ` Ira Weiny
2019-11-13 18:31 ` Ira Weiny
2019-11-13 18:31 ` Ira Weiny
2019-11-13 18:31 ` Ira Weiny
2019-11-13 18:45 ` Dan Williams
2019-11-13 18:45 ` Dan Williams
2019-11-13 18:45 ` Dan Williams
2019-11-13 18:45 ` Dan Williams
2019-11-13 23:22 ` John Hubbard
2019-11-13 23:22 ` John Hubbard
2019-11-13 23:22 ` John Hubbard
2019-11-13 23:22 ` John Hubbard
2019-11-14 6:08 ` John Hubbard
2019-11-14 6:08 ` John Hubbard
2019-11-14 6:08 ` John Hubbard
2019-11-14 6:08 ` John Hubbard
2019-11-13 18:59 ` Ira Weiny
2019-11-13 18:59 ` Ira Weiny
2019-11-13 18:59 ` Ira Weiny
2019-11-13 18:59 ` Ira Weiny
2019-11-13 20:24 ` John Hubbard
2019-11-13 20:24 ` John Hubbard
2019-11-13 20:24 ` John Hubbard
2019-11-13 20:24 ` John Hubbard
2019-11-13 4:26 ` [PATCH v4 10/23] goldish_pipe: convert to pin_user_pages() and put_user_page() John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` [PATCH v4 11/23] IB/{core,hw,umem}: set FOLL_PIN, FOLL_LONGTERM via pin_longterm_pages*() John Hubbard
2019-11-13 4:26 ` [PATCH v4 11/23] IB/{core, hw, umem}: " John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` [PATCH v4 12/23] mm/process_vm_access: set FOLL_PIN via pin_user_pages_remote() John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:26 ` John Hubbard
2019-11-13 4:27 ` [PATCH v4 13/23] drm/via: set FOLL_PIN via pin_user_pages_fast() John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` [PATCH v4 14/23] fs/io_uring: set FOLL_PIN via pin_user_pages() John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` [PATCH v4 15/23] net/xdp: " John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` [PATCH v4 16/23] mm/gup: track FOLL_PIN pages John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` [PATCH v4 17/23] media/v4l2-core: pin_longterm_pages (FOLL_PIN) and put_user_page() conversion John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` [PATCH v4 18/23] vfio, mm: " John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` [PATCH v4 19/23] powerpc: book3s64: convert to pin_longterm_pages() and put_user_page() John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` [PATCH v4 20/23] mm/gup_benchmark: use proper FOLL_WRITE flags instead of hard-coding "1" John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 19:01 ` Ira Weiny
2019-11-13 19:01 ` Ira Weiny
2019-11-13 19:01 ` Ira Weiny
2019-11-13 19:01 ` Ira Weiny
2019-11-13 4:27 ` [PATCH v4 21/23] mm/gup_benchmark: support pin_user_pages() and related calls John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 19:03 ` Ira Weiny
2019-11-13 19:03 ` Ira Weiny
2019-11-13 19:03 ` Ira Weiny
2019-11-13 19:03 ` Ira Weiny
2019-11-13 4:27 ` [PATCH v4 22/23] selftests/vm: run_vmtests: invoke gup_benchmark with basic FOLL_PIN coverage John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 19:06 ` Ira Weiny
2019-11-13 19:06 ` Ira Weiny
2019-11-13 19:06 ` Ira Weiny
2019-11-13 19:06 ` Ira Weiny
2019-11-13 4:27 ` [PATCH v4 23/23] mm/gup: remove support for gup(FOLL_LONGTERM) John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 4:27 ` John Hubbard
2019-11-13 19:09 ` Ira Weiny
2019-11-13 19:09 ` Ira Weiny
2019-11-13 19:09 ` Ira Weiny
2019-11-13 19:09 ` Ira Weiny
2019-11-13 23:27 ` John Hubbard [this message]
2019-11-13 23:27 ` John Hubbard
2019-11-13 23:27 ` John Hubbard
2019-11-13 23:27 ` John Hubbard
2019-11-13 4:32 ` [PATCH v4 00/23] mm/gup: track dma-pinned pages: FOLL_PIN, FOLL_LONGTERM John Hubbard
2019-11-13 4:32 ` John Hubbard
2019-11-13 4:32 ` John Hubbard
2019-11-13 4:32 ` John Hubbard
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