On 05/12/2012 01:48 PM, InKi Dae wrote:
2012/5/12 KOSAKI Motohiro kosaki.motoh...@gmail.com:
On Fri, May 11, 2012 at 7:29 PM, Jerome Glisse j.gli...@gmail.com wrote:
On Fri, May 11, 2012 at 6:59 PM, KOSAKI Motohiro
kosaki.motoh...@gmail.com wrote:
My point is this ioctl will be restricted to
(5/10/12 11:01 PM), Jerome Glisse wrote:
On Thu, May 10, 2012 at 10:51 PM, KOSAKI Motohiro
kosaki.motoh...@gmail.com wrote:
(5/10/12 8:50 PM), Minchan Kim wrote:
Hi KOSAKI,
On 05/11/2012 02:53 AM, KOSAKI Motohiro wrote:
let's assume that one application want to allocate user space memory
My point is this ioctl will be restricted to one user (Xserver if i
understand) and only this user, there is no fork in it so no need to
worry about fork, just setting the vma as locked will be enough.
But i don't want people reading this driver suddenly think that what
it's doing is ok, it's
On Fri, May 11, 2012 at 7:29 PM, Jerome Glisse j.gli...@gmail.com wrote:
On Fri, May 11, 2012 at 6:59 PM, KOSAKI Motohiro
kosaki.motoh...@gmail.com wrote:
My point is this ioctl will be restricted to one user (Xserver if i
understand) and only this user, there is no fork in it so no need to
let's assume that one application want to allocate user space memory
region using malloc() and then write something on the region. as you
may know, user space buffer doen't have real physical pages once
malloc() call so if user tries to access the region then page fault
handler would be triggered
Hi KOSAKI,
On 05/11/2012 02:53 AM, KOSAKI Motohiro wrote:
let's assume that one application want to allocate user space memory
region using malloc() and then write something on the region. as you
may know, user space buffer doen't have real physical pages once
malloc() call so if user tries
Subject: Re: [PATCH 2/2 v3] drm/exynos: added userptr feature.
On Thu, May 10, 2012 at 11:31 AM, Daniel Vetter dan...@ffwll.ch wrote:
On Thu, May 10, 2012 at 11:05:07AM -0400, Jerome Glisse wrote:
On Wed, May 9, 2012 at 10:44 PM, Inki Dae inki@samsung.com wrote:
Hi Jerome,
Thank you again
On Fri, May 11, 2012 at 5:20 PM, KOSAKI Motohiro
kosaki.motoh...@gmail.com wrote:
(5/10/12 11:01 PM), Jerome Glisse wrote:
On Thu, May 10, 2012 at 10:51 PM, KOSAKI Motohiro
kosaki.motoh...@gmail.com wrote:
(5/10/12 8:50 PM), Minchan Kim wrote:
Hi KOSAKI,
On 05/11/2012 02:53 AM, KOSAKI
On Fri, May 11, 2012 at 6:59 PM, KOSAKI Motohiro
kosaki.motoh...@gmail.com wrote:
My point is this ioctl will be restricted to one user (Xserver if i
understand) and only this user, there is no fork in it so no need to
worry about fork, just setting the vma as locked will be enough.
But i
2012/5/12 KOSAKI Motohiro kosaki.motoh...@gmail.com:
On Fri, May 11, 2012 at 7:29 PM, Jerome Glisse j.gli...@gmail.com wrote:
On Fri, May 11, 2012 at 6:59 PM, KOSAKI Motohiro
kosaki.motoh...@gmail.com wrote:
My point is this ioctl will be restricted to one user (Xserver if i
understand) and
;
kyungmin.p...@samsung.com; sw0312@samsung.com; linux...@kvack.org
Subject: Re: [PATCH 2/2 v3] drm/exynos: added userptr feature.
On Wed, May 9, 2012 at 2:17 AM, Inki Dae inki@samsung.com wrote:
this feature is used to import user space region allocated by malloc()
or
mmaped into a gem
...@samsung.com; sw0312@samsung.com; linux...@kvack.org
Subject: Re: [PATCH 2/2 v3] drm/exynos: added userptr feature.
On 05/10/2012 10:39 AM, Inki Dae wrote:
Hi Jerome,
-Original Message-
From: Jerome Glisse [mailto:j.gli...@gmail.com]
Sent: Wednesday, May 09, 2012 11:46 PM
,
-Original Message-
From: Jerome Glisse [mailto:j.gli...@gmail.com]
Sent: Wednesday, May 09, 2012 11:46 PM
To: Inki Dae
Cc: airl...@linux.ie; dri-devel@lists.freedesktop.org;
kyungmin.p...@samsung.com; sw0312@samsung.com; linux...@kvack.org
Subject: Re: [PATCH 2/2 v3] drm/exynos: added
...@samsung.com; sw0312@samsung.com; linux...@kvack.org
Subject: Re: [PATCH 2/2 v3] drm/exynos: added userptr feature.
On Wed, May 9, 2012 at 2:17 AM, Inki Daeinki@samsung.com wrote:
this feature is used to import user space region allocated by malloc()
or
mmaped into a gem. and to guarantee
; linux...@kvack.org
Subject: Re: [PATCH 2/2 v3] drm/exynos: added userptr feature.
On 05/10/2012 10:39 AM, Inki Dae wrote:
Hi Jerome,
-Original Message-
From: Jerome Glisse [mailto:j.gli...@gmail.com]
Sent: Wednesday, May 09, 2012 11:46 PM
To: Inki Dae
Cc: airl...@linux.ie; dri
; dri-devel@lists.freedesktop.org;
kyungmin.p...@samsung.com; sw0312@samsung.com; linux...@kvack.org
Subject: Re: [PATCH 2/2 v3] drm/exynos: added userptr feature.
On Wed, May 9, 2012 at 2:17 AM, Inki Daeinki@samsung.com wrote:
this feature is used to import user space region allocated
[mailto:j.gli...@gmail.com]
Sent: Wednesday, May 09, 2012 11:46 PM
To: Inki Dae
Cc: airl...@linux.ie; dri-devel@lists.freedesktop.org;
kyungmin.p...@samsung.com; sw0312@samsung.com; linux...@kvack.org
Subject: Re: [PATCH 2/2 v3] drm/exynos: added userptr feature.
On Wed, May 9, 2012 at 2:17 AM
PM
To: Inki Dae
Cc: 'Jerome Glisse'; airl...@linux.ie; dri-
de...@lists.freedesktop.org;
kyungmin.p...@samsung.com; sw0312@samsung.com; linux...@kvack.org
Subject: Re: [PATCH 2/2 v3] drm/exynos: added userptr feature.
On 05/10/2012 10:39 AM, Inki Dae wrote:
Hi Jerome
; dri-devel@lists.freedesktop.org;
kyungmin.p...@samsung.com; sw0312@samsung.com; linux...@kvack.org
Subject: Re: [PATCH 2/2 v3] drm/exynos: added userptr feature.
On 05/10/2012 10:39 AM, Inki Dae wrote:
Hi Jerome,
-Original Message-
From: Jerome Glisse [mailto:j.gli...@gmail.com
-
From: Jerome Glisse [mailto:j.gli...@gmail.com]
Sent: Thursday, May 10, 2012 3:33 AM
To: Inki Dae
Cc: airl...@linux.ie; dri-devel@lists.freedesktop.org;
kyungmin.p...@samsung.com; sw0312@samsung.com; linux-
m...@kvack.org
Subject: Re: [PATCH 2/2 v3] drm/exynos: added userptr
On Thu, May 10, 2012 at 10:51 PM, KOSAKI Motohiro
kosaki.motoh...@gmail.com wrote:
(5/10/12 8:50 PM), Minchan Kim wrote:
Hi KOSAKI,
On 05/11/2012 02:53 AM, KOSAKI Motohiro wrote:
let's assume that one application want to allocate user space memory
region using malloc() and then write
On Wed, May 9, 2012 at 10:45 AM, Jerome Glisse j.gli...@gmail.com wrote:
On Wed, May 9, 2012 at 2:17 AM, Inki Dae inki@samsung.com wrote:
this feature is used to import user space region allocated by malloc() or
mmaped into a gem. and to guarantee the pages to user space not to be
swapped
] drm/exynos: added userptr feature.
On Wed, May 9, 2012 at 2:17 AM, Inki Dae inki@samsung.com wrote:
this feature is used to import user space region allocated by malloc()
or
mmaped into a gem. and to guarantee the pages to user space not to be
swapped out, the VMAs within the user
: [PATCH 2/2 v3] drm/exynos: added userptr feature.
On Wed, May 9, 2012 at 10:45 AM, Jerome Glisse j.gli...@gmail.com wrote:
On Wed, May 9, 2012 at 2:17 AM, Inki Dae inki@samsung.com wrote:
this feature is used to import user space region allocated by malloc()
or
mmaped into a gem
; linux...@kvack.org
Subject: Re: [PATCH 2/2 v3] drm/exynos: added userptr feature.
On Wed, May 9, 2012 at 2:17 AM, Inki Dae inki@samsung.com wrote:
this feature is used to import user space region allocated by malloc()
or
mmaped into a gem. and to guarantee the pages to user space
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