From: Daniel Vetter <daniel@ffwll.ch>
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
DRI Development <dri-devel@lists.freedesktop.org>,
LKML <linux-kernel@vger.kernel.org>,
kvm@vger.kernel.org, linux-mm@kvack.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-media@vger.kernel.org
Subject: Re: [PATCH v6 00/17] follow_pfn and other iomap races
Date: Fri, 27 Nov 2020 16:36:57 +0100 [thread overview]
Message-ID: <20201127153657.GJ401619@phenom.ffwll.local> (raw)
In-Reply-To: <20201127131225.GX5487@ziepe.ca>
On Fri, Nov 27, 2020 at 09:12:25AM -0400, Jason Gunthorpe wrote:
> On Thu, Nov 19, 2020 at 03:41:29PM +0100, Daniel Vetter wrote:
> > I feel like this is ready for some wider soaking. Since the remaining bits
> > are all kinda connnected probably simplest if it all goes through -mm.
>
> Did you figure out a sumbission plan for this stuff?
I was kinda hoping Andrew would pick it all up.
> > Daniel Vetter (17):
> > drm/exynos: Stop using frame_vector helpers
> > drm/exynos: Use FOLL_LONGTERM for g2d cmdlists
> > misc/habana: Stop using frame_vector helpers
> > misc/habana: Use FOLL_LONGTERM for userptr
> > mm/frame-vector: Use FOLL_LONGTERM
> > media: videobuf2: Move frame_vector into media subsystem
>
> At the very least it would be good to get those in right away.
>
> > mm: Add unsafe_follow_pfn
> > media/videbuf1|2: Mark follow_pfn usage as unsafe
> > vfio/type1: Mark follow_pfn as unsafe
>
> I'm surprised nobody from VFIO has remarked on this, I think thety
> won't like it
Same here tbh :-)
> > mm: Close race in generic_access_phys
> > PCI: Obey iomem restrictions for procfs mmap
> > /dev/mem: Only set filp->f_mapping
> > resource: Move devmem revoke code to resource framework
> > sysfs: Support zapping of binary attr mmaps
> > PCI: Revoke mappings like devmem
>
> This sequence seems fairly stand alone, and in good shape as well
Yeah your split makes sense. I'll reorder them for the next round (which
I'm prepping right now).
>
> My advice is to put the done things on a branch and get Stephen to put
> them in linux-next. You can send a PR to Lins. There is very little mm
> stuff in here, and cross subsystem stuff works better in git land,
> IMHO.
Yeah could do. Andrew, any preferences?
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
WARNING: multiple messages have this Message-ID (diff)
From: Daniel Vetter <daniel@ffwll.ch>
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-samsung-soc@vger.kernel.org, kvm@vger.kernel.org,
Daniel Vetter <daniel.vetter@ffwll.ch>,
LKML <linux-kernel@vger.kernel.org>,
DRI Development <dri-devel@lists.freedesktop.org>,
linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org,
linux-media@vger.kernel.org
Subject: Re: [PATCH v6 00/17] follow_pfn and other iomap races
Date: Fri, 27 Nov 2020 16:36:57 +0100 [thread overview]
Message-ID: <20201127153657.GJ401619@phenom.ffwll.local> (raw)
In-Reply-To: <20201127131225.GX5487@ziepe.ca>
On Fri, Nov 27, 2020 at 09:12:25AM -0400, Jason Gunthorpe wrote:
> On Thu, Nov 19, 2020 at 03:41:29PM +0100, Daniel Vetter wrote:
> > I feel like this is ready for some wider soaking. Since the remaining bits
> > are all kinda connnected probably simplest if it all goes through -mm.
>
> Did you figure out a sumbission plan for this stuff?
I was kinda hoping Andrew would pick it all up.
> > Daniel Vetter (17):
> > drm/exynos: Stop using frame_vector helpers
> > drm/exynos: Use FOLL_LONGTERM for g2d cmdlists
> > misc/habana: Stop using frame_vector helpers
> > misc/habana: Use FOLL_LONGTERM for userptr
> > mm/frame-vector: Use FOLL_LONGTERM
> > media: videobuf2: Move frame_vector into media subsystem
>
> At the very least it would be good to get those in right away.
>
> > mm: Add unsafe_follow_pfn
> > media/videbuf1|2: Mark follow_pfn usage as unsafe
> > vfio/type1: Mark follow_pfn as unsafe
>
> I'm surprised nobody from VFIO has remarked on this, I think thety
> won't like it
Same here tbh :-)
> > mm: Close race in generic_access_phys
> > PCI: Obey iomem restrictions for procfs mmap
> > /dev/mem: Only set filp->f_mapping
> > resource: Move devmem revoke code to resource framework
> > sysfs: Support zapping of binary attr mmaps
> > PCI: Revoke mappings like devmem
>
> This sequence seems fairly stand alone, and in good shape as well
Yeah your split makes sense. I'll reorder them for the next round (which
I'm prepping right now).
>
> My advice is to put the done things on a branch and get Stephen to put
> them in linux-next. You can send a PR to Lins. There is very little mm
> stuff in here, and cross subsystem stuff works better in git land,
> IMHO.
Yeah could do. Andrew, any preferences?
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
_______________________________________________
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: Daniel Vetter <daniel@ffwll.ch>
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-samsung-soc@vger.kernel.org, kvm@vger.kernel.org,
Daniel Vetter <daniel.vetter@ffwll.ch>,
LKML <linux-kernel@vger.kernel.org>,
DRI Development <dri-devel@lists.freedesktop.org>,
linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org,
linux-media@vger.kernel.org
Subject: Re: [PATCH v6 00/17] follow_pfn and other iomap races
Date: Fri, 27 Nov 2020 16:36:57 +0100 [thread overview]
Message-ID: <20201127153657.GJ401619@phenom.ffwll.local> (raw)
In-Reply-To: <20201127131225.GX5487@ziepe.ca>
On Fri, Nov 27, 2020 at 09:12:25AM -0400, Jason Gunthorpe wrote:
> On Thu, Nov 19, 2020 at 03:41:29PM +0100, Daniel Vetter wrote:
> > I feel like this is ready for some wider soaking. Since the remaining bits
> > are all kinda connnected probably simplest if it all goes through -mm.
>
> Did you figure out a sumbission plan for this stuff?
I was kinda hoping Andrew would pick it all up.
> > Daniel Vetter (17):
> > drm/exynos: Stop using frame_vector helpers
> > drm/exynos: Use FOLL_LONGTERM for g2d cmdlists
> > misc/habana: Stop using frame_vector helpers
> > misc/habana: Use FOLL_LONGTERM for userptr
> > mm/frame-vector: Use FOLL_LONGTERM
> > media: videobuf2: Move frame_vector into media subsystem
>
> At the very least it would be good to get those in right away.
>
> > mm: Add unsafe_follow_pfn
> > media/videbuf1|2: Mark follow_pfn usage as unsafe
> > vfio/type1: Mark follow_pfn as unsafe
>
> I'm surprised nobody from VFIO has remarked on this, I think thety
> won't like it
Same here tbh :-)
> > mm: Close race in generic_access_phys
> > PCI: Obey iomem restrictions for procfs mmap
> > /dev/mem: Only set filp->f_mapping
> > resource: Move devmem revoke code to resource framework
> > sysfs: Support zapping of binary attr mmaps
> > PCI: Revoke mappings like devmem
>
> This sequence seems fairly stand alone, and in good shape as well
Yeah your split makes sense. I'll reorder them for the next round (which
I'm prepping right now).
>
> My advice is to put the done things on a branch and get Stephen to put
> them in linux-next. You can send a PR to Lins. There is very little mm
> stuff in here, and cross subsystem stuff works better in git land,
> IMHO.
Yeah could do. Andrew, any preferences?
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2020-11-27 15:37 UTC|newest]
Thread overview: 117+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-19 14:41 [PATCH v6 00/17] follow_pfn and other iomap races Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` [PATCH v6 01/17] drm/exynos: Stop using frame_vector helpers Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` [PATCH v6 02/17] drm/exynos: Use FOLL_LONGTERM for g2d cmdlists Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` [PATCH v6 03/17] misc/habana: Stop using frame_vector helpers Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-21 12:47 ` Oded Gabbay
2020-11-21 12:47 ` Oded Gabbay
2020-11-21 12:47 ` Oded Gabbay
2020-11-19 14:41 ` [PATCH v6 04/17] misc/habana: Use FOLL_LONGTERM for userptr Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-21 10:15 ` Oded Gabbay
2020-11-21 10:15 ` Oded Gabbay
2020-11-21 10:15 ` Oded Gabbay
2020-11-19 14:41 ` [PATCH v6 05/17] mm/frame-vector: Use FOLL_LONGTERM Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` [PATCH v6 06/17] media: videobuf2: Move frame_vector into media subsystem Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-20 8:07 ` Hans Verkuil
2020-11-20 8:07 ` Hans Verkuil
2020-11-20 8:07 ` Hans Verkuil
2020-11-19 14:41 ` [PATCH v6 07/17] mm: Close race in generic_access_phys Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` [PATCH v6 08/17] mm: Add unsafe_follow_pfn Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` [PATCH v6 09/17] media/videbuf1|2: Mark follow_pfn usage as unsafe Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-20 8:06 ` Hans Verkuil
2020-11-20 8:06 ` Hans Verkuil
2020-11-20 8:06 ` Hans Verkuil
2020-11-20 8:28 ` Hans Verkuil
2020-11-20 8:28 ` Hans Verkuil
2020-11-20 8:28 ` Hans Verkuil
2020-11-20 8:32 ` Tomasz Figa
2020-11-20 8:32 ` Tomasz Figa
2020-11-20 8:32 ` Tomasz Figa
2020-11-20 9:18 ` Daniel Vetter
2020-11-20 9:18 ` Daniel Vetter
2020-11-20 9:18 ` Daniel Vetter
2020-11-20 10:38 ` Hans Verkuil
2020-11-20 10:38 ` Hans Verkuil
2020-11-20 10:38 ` Hans Verkuil
2020-11-20 10:51 ` Daniel Vetter
2020-11-20 10:51 ` Daniel Vetter
2020-11-20 10:51 ` Daniel Vetter
2020-11-20 12:08 ` Hans Verkuil
2020-11-20 12:08 ` Hans Verkuil
2020-11-20 12:08 ` Hans Verkuil
2020-11-20 12:23 ` Tomasz Figa
2020-11-20 12:23 ` Tomasz Figa
2020-11-20 12:23 ` Tomasz Figa
2020-11-24 14:16 ` Daniel Vetter
2020-11-24 14:16 ` Daniel Vetter
2020-11-24 14:16 ` Daniel Vetter
2020-11-19 14:41 ` [PATCH v6 10/17] vfio/type1: Mark follow_pfn " Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` [PATCH v6 11/17] PCI: Obey iomem restrictions for procfs mmap Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` [PATCH v6 12/17] /dev/mem: Only set filp->f_mapping Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` [PATCH v6 13/17] resource: Move devmem revoke code to resource framework Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` [PATCH v6 14/17] sysfs: Support zapping of binary attr mmaps Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` [PATCH v6 15/17] PCI: Revoke mappings like devmem Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` [PATCH v6 16/17] RFC: kvm: pass kvm argument to follow_pfn callsites Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-20 15:33 ` Paolo Bonzini
2020-11-20 15:33 ` Paolo Bonzini
2020-11-20 15:33 ` Paolo Bonzini
2020-11-20 15:44 ` Daniel Vetter
2020-11-20 15:44 ` Daniel Vetter
2020-11-20 15:44 ` Daniel Vetter
2020-11-20 15:55 ` Paolo Bonzini
2020-11-20 15:55 ` Paolo Bonzini
2020-11-20 15:55 ` Paolo Bonzini
2020-11-19 14:41 ` [PATCH v6 17/17] RFC: mm: add mmu_notifier argument to follow_pfn Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-19 14:41 ` Daniel Vetter
2020-11-20 18:30 ` Jason Gunthorpe
2020-11-20 18:30 ` Jason Gunthorpe
2020-11-20 18:30 ` Jason Gunthorpe
2020-11-24 14:28 ` Daniel Vetter
2020-11-24 14:28 ` Daniel Vetter
2020-11-24 14:28 ` Daniel Vetter
2020-11-24 15:55 ` Jason Gunthorpe
2020-11-24 15:55 ` Jason Gunthorpe
2020-11-24 15:55 ` Jason Gunthorpe
2020-11-25 9:00 ` Daniel Vetter
2020-11-25 9:00 ` Daniel Vetter
2020-11-25 9:00 ` Daniel Vetter
2020-11-27 13:12 ` [PATCH v6 00/17] follow_pfn and other iomap races Jason Gunthorpe
2020-11-27 13:12 ` Jason Gunthorpe
2020-11-27 13:12 ` Jason Gunthorpe
2020-11-27 15:36 ` Daniel Vetter [this message]
2020-11-27 15:36 ` Daniel Vetter
2020-11-27 15:36 ` Daniel Vetter
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