On Fri, 23 Nov 2018 15:24:16 +0530 Anshuman Khandual
wrote:
> At present there are multiple places where invalid node number is encoded
> as -1. Even though implicitly understood it is always better to have macros
> in there. Replace these open encodings for an invalid node number with the
> glo
On Tue, 5 Dec 2017 22:51:19 +0100 Arnd Bergmann wrote:
> The hardened strlen() function causes rather large stack usage in at
> least one file in the kernel, in particular when CONFIG_KASAN is enabled:
>
> drivers/media/usb/em28xx/em28xx-dvb.c: In function 'em28xx_dvb_init':
> drivers/media/usb
On Fri, 27 May 2016 23:23:25 +0200 Arnd Bergmann wrote:
> Most users of IS_ERR_VALUE() in the kernel are wrong, as they
> pass an 'int' into a function that takes an 'unsigned long'
> argument. This happens to work because the type is sign-extended
> on 64-bit architectures before it gets convert
On Mon, 24 Aug 2015 14:15:08 -0600 Jens Axboe wrote:
> On 08/08/2015 02:44 AM, Robert Jarzmik wrote:
> > Sometimes a scatter-gather has to be split into several chunks, or sub
> > scatter lists. This happens for example if a scatter list will be
> > handled by multiple DMA channels, each one fill
On Tue, 04 Aug 2015 19:04:36 +0200 Robert Jarzmik
wrote:
> Andrew Morton writes:
>
> >> include/linux/scatterlist.h | 5 ++
> >> lib/scatterlist.c | 189
> >>
> >> 2 files changed, 194 inse
On Sat, 1 Aug 2015 15:17:13 +0200 Robert Jarzmik
wrote:
> Sometimes a scatter-gather has to be split into several chunks, or sub scatter
> lists. This happens for example if a scatter list will be handled by multiple
> DMA channels, each one filling a part of it.
>
> A concrete example comes w
Kara
>
> I'd like to see an Acked-by from Andrew or mm-maintainers before I merge this.
I think I already acked this but it got lost.
Acked-by: Andrew Morton
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On Wed, 10 Jun 2015 06:20:43 -0300 Mauro Carvalho Chehab
wrote:
> I received this patch series with a new set of helper functions for
> mm, together with changes for media and DRM drivers.
>
> As this stuff is actually mm code, I prefer if this got merged via
> your tree.
>
> Could you please
On Thu, 11 Jun 2015 11:08:47 +0200 Hans Verkuil wrote:
> I discovered a regression on a prerequisite patch merged in the media
> tree that until solved prevents parts of this patch series from going in.
>
> See: http://www.mail-archive.com/linux-media@vger.kernel.org/msg89538.html
>
> Jan is on
On Tue, 2 Jun 2015 17:23:00 +0200 Jan Kara wrote:
> > That's a lump of new code which many kernels won't be needing. Can we
> > put all this in a new .c file and select it within drivers/media
> > Kconfig?
> So the attached patch should do what you had in mind. OK?
lgtm.
> drivers/gpu/drm/e
On Wed, 13 May 2015 15:08:08 +0200 Jan Kara wrote:
> Provide new function get_vaddr_frames(). This function maps virtual
> addresses from given start and fills given array with page frame numbers of
> the corresponding pages. If given start belongs to a normal vma, the function
> grabs reference
On Fri, 09 May 2014 09:43:58 +0200 Hans Verkuil wrote:
> Andrew, can you merge this for 3.15 or 3.16 (you decide)? While it fixes a
> sparse error
> for the media subsystem, it is not really appropriate to go through our media
> tree.
>
> Thanks,
>
> Hans
>
>
> When running sparse ove
On Thu, 13 Sep 2012 10:40:57 +0800
Bob Liu wrote:
> The addr parameter may not page aligned eg. when it's come from
> vfb_mmap():vma->vm_start in video driver.
>
> This patch fix the check in remap_pfn_range() else some driver like v4l2 will
> fail in this function while calling mmap() on nommu
On Sat, 9 Jun 2012 09:50:30 +0900
Akinobu Mita wrote:
> memweight() is the function that counts the total number of bits set
> in memory area. Unlike bitmap_weight(), memweight() takes pointer
> and size in bytes to specify a memory area which does not need to be
> aligned to long-word boundary
On Mon, 21 May 2012 16:01:50 +0200
Tomasz Stanislawski wrote:
> >> +int sg_alloc_table_from_pages(struct sg_table *sgt,
> >> + struct page **pages, unsigned int n_pages,
> >> + unsigned long offset, unsigned long size,
> >> + gfp_t gfp_mask)
> >
> > I guess a 32-bit n_pages is OK. A 16TB IO
On Tue, 03 Apr 2012 16:10:05 +0200
Marek Szyprowski wrote:
> This is (yet another) update of CMA patches.
Looks OK to me. It's a lot of code.
Please move it into linux-next, and if all is well, ask Linus to pull
the tree into 3.5-rc1. Please be sure to cc me on that email.
I suggest that you
On Fri, 17 Feb 2012 20:30:34 +0100
Marek Szyprowski wrote:
> This patch adds support for CMA to dma-mapping subsystem for x86
> architecture that uses common pci-dma/pci-nommu implementation. This
> allows to test CMA on KVM/QEMU and a lot of common x86 boxes.
>
> ...
>
> --- a/arch/x86/Kconfig
On Thu, 2 Feb 2012 11:26:55 +0100
Hans Verkuil wrote:
> From: Hans Verkuil
>
> In some cases the poll() implementation in a driver has to do different
> things depending on the events the caller wants to poll for. An example is
> when a driver needs to start a DMA engine if the caller polls fo
On Thu, 2 Feb 2012 11:26:53 +0100
Hans Verkuil wrote:
> The first version of this patch was posted July 1st, 2011. I really hope that
> it won't take another six months to get a review from a fs developer. As this
> LWN article (http://lwn.net/Articles/450658/) said: 'There has been little
> dis
On Thu, 26 Jan 2012 15:31:40 +
Arnd Bergmann wrote:
> On Thursday 26 January 2012, Marek Szyprowski wrote:
> > Welcome everyone!
> >
> > Yes, that's true. This is yet another release of the Contiguous Memory
> > Allocator patches. This version mainly includes code cleanups requested
> > by M
On Mon, 17 Oct 2011 14:21:07 +0200
Marek Szyprowski wrote:
> > > +
> > > +void free_contig_pages(unsigned long pfn, unsigned nr_pages)
> > > +{
> > > + struct page *page = pfn_to_page(pfn);
> > > +
> > > + while (nr_pages--) {
> > > + __free_page(page);
> > > + ++pfn;
> > > +
On Sun, 16 Oct 2011 10:01:36 +0200 "Michal Nazarewicz"
wrote:
> Still, as I think of it now, maybe alloc_contig_free_range() would be
> better?
Nope. Of *course* the pages were free. Otherwise we couldn't
(re)allocate them. I still think the "free" part is redundant.
What could be improved
On Thu, 06 Oct 2011 15:54:47 +0200
Marek Szyprowski wrote:
> This patch adds support for CMA to dma-mapping subsystem for ARM
> architecture. By default a global CMA area is used, but specific devices
> are allowed to have their private memory areas if required (they can be
> created with dma_dec
On Thu, 06 Oct 2011 15:54:46 +0200
Marek Szyprowski wrote:
> The Contiguous Memory Allocator is a set of helper functions for DMA
> mapping framework that improves allocations of contiguous memory chunks.
>
> CMA grabs memory on system boot, marks it with CMA_MIGRATE_TYPE and
> gives back to the
On Thu, 06 Oct 2011 15:54:44 +0200
Marek Szyprowski wrote:
> From: Michal Nazarewicz
>
> The MIGRATE_CMA migration type has two main characteristics:
> (i) only movable pages can be allocated from MIGRATE_CMA
> pageblocks and (ii) page allocator will never change migration
> type of MIGRATE_CMA
On Thu, 06 Oct 2011 15:54:43 +0200
Marek Szyprowski wrote:
> From: Michal Nazarewicz
>
> This commit adds the alloc_contig_range() function which tries
> to allocate given range of pages. It tries to migrate all
> already allocated pages that fall in the range thus freeing them.
> Once all pag
On Thu, 06 Oct 2011 15:54:42 +0200
Marek Szyprowski wrote:
> From: KAMEZAWA Hiroyuki
>
> This commit introduces alloc_contig_freed_pages() function
The "freed" seems redundant to me. Wouldn't "alloc_contig_pages" be a
better name?
> which allocates (ie. removes from buddy system) free pages
On Thu, 06 Oct 2011 15:54:41 +0200
Marek Szyprowski wrote:
> From: KAMEZAWA Hiroyuki
>
> Memory hotplug is a logic for making pages unused in the specified
> range of pfn. So, some of core logics can be used for other purpose
> as allocating a very large contigous memory block.
>
> This patch
On Tue, 11 Oct 2011 15:52:04 +0200
Arnd Bergmann wrote:
> On Tuesday 11 October 2011, Andrew Morton wrote:
> > Russell's going to hate me, but...
> >
> > I do know that he had substantial objections to at least earlier
> > versions of this, and he is a
On Fri, 7 Oct 2011 18:27:06 +0200
Arnd Bergmann wrote:
> On Thursday 06 October 2011, Marek Szyprowski wrote:
> > Once again I decided to post an updated version of the Contiguous Memory
> > Allocator patches.
> >
> > This version provides mainly a bugfix for a very rare issue that might
> > hav
On Wed, 5 Oct 2011 09:47:09 +0200
Hans Verkuil wrote:
> On Thursday 29 September 2011 09:44:06 Hans Verkuil wrote:
> > This is the fourth version of this patch series, incorporating the comments
> > from Andrew Morton: I've split up the multiple-assignment line and added a
&g
(cc's added)
On Sun, 04 Sep 2011 21:02:41 +0200
Anders wrote:
> Found this oops produced by kdump here. It seems imon related.
>
>
> ...
>
> <4>[ 278.893189] Restarting tasks ... done.
> <6>[ 278.994452] usb 5-1: USB disconnect, device number 2
> <3>[ 278.995191] imon:send_packet: error subm
On Tue, 23 Aug 2011 08:33:25 +0200
Hans Verkuil wrote:
> (and resent again, this time with the correct linux-fsdevel mail address)
> (Resent as requested by Andrew Morton since this is still stuck)
>
> Hi Al, Andrew,
>
> Can you take a look at this patch and send an Ack
On Tue, 5 Jul 2011 14:07:17 +0200
Arnd Bergmann wrote:
> On Tuesday 05 July 2011, Marek Szyprowski wrote:
> > This is yet another round of Contiguous Memory Allocator patches. I hope
> > that I've managed to resolve all the items discussed during the Memory
> > Management summit at Linaro Meeting
On Sat, 12 Mar 2011 23:23:06 +0300
Vasiliy Kulikov wrote:
> > Vasiliy Kulikov (20):
> > mach-ux500: mbox-db5500: world-writable sysfs fifo file
> > leds: lp5521: world-writable sysfs engine* files
> > leds: lp5523: world-writable engine* sysfs files
> > misc: ep93xx_pwm: world-writable sysfs
On Fri, 15 Oct 2010 10:45:45 +0200 Hans Verkuil wrote:
> On Thursday, October 14, 2010 22:06:29 valdis.kletni...@vt.edu wrote:
> > On Wed, 13 Oct 2010 17:13:25 PDT, a...@linux-foundation.org said:
> > > The mm-of-the-moment snapshot 2010-10-13-17-13 has been uploaded to
> > >
> > >http://use
On Fri, 20 Aug 2010 15:15:10 +0200
Peter Zijlstra wrote:
> On Fri, 2010-08-20 at 11:50 +0200, Michal Nazarewicz wrote:
> > Hello everyone,
> >
> > The following patchset implements a Contiguous Memory Allocator. For
> > those who have not yet stumbled across CMA an excerpt from
> > documentatio
On Sun, 30 May 2010 14:29:55 GMT
bugzilla-dae...@bugzilla.kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=16077
2.6.33 -> 2.6.34 performance regression in dvb webcam frame rates.
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On Tue, 25 May 2010 23:02:23 GMT
bugzilla-dae...@bugzilla.kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=16050
>
>URL: https://bugzilla.redhat.com/show_bug.cgi?id=
(switched to email. Please respond via emailed reply-to-all, not via the
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On Wed, 21 Apr 2010 12:21:18 GMT
bugzilla-dae...@bugzilla.kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=15826
>
>Summary: WARNING: at fs/proc/generic.c:317
>
Begin forwarded message:
Date: Wed, 14 Apr 2010 12:36:18 +0400
From: Alexander Kolesnik
To: linux-ker...@vger.kernel.org
Subject: PROBLEM: linux server halts while restarting VLC
Hello,
We have a video camera which is connected to a capture card in a linux
server (CentOS 5.4). VLC takes
On Sun, 21 Mar 2010 22:31:06 +0100 (CET) Julia Lawall wrote:
> From: Julia Lawall
>
> If ov is NULL, it will not be possible to take the lock in the first place,
> so move the test up earlier.
>
> ...
>
> --- a/drivers/media/video/ov511.c
> +++ b/drivers/media/video/ov511.c
> @@ -5913,14 +5913
On Thu, 11 Mar 2010 16:38:21 -0600
"Karicheri, Muralidharan" wrote:
> >diff -puN drivers/media/video/davinci/vpif_display.c~drivers-media-video-
> >move-dereference-after-null-test drivers/media/video/davinci/vpif_display.c
> >--- a/drivers/media/video/davinci/vpif_display.c~drivers-media-video-m
On Fri, 22 Jan 2010 10:08:43 +0100
Richard R__jfors wrote:
> These sets of patches added support for the SAA7706H Car Radio DSP.
>
> Patch 2 is updated after feedback from Hans Verkuil. Thanks Hans!
>
> Patch 1:
> Add The saa7706h to the v4l2-chip-ident.h
> Patch 2:
> Add the actual source code
(switched to email. Please respond via emailed reply-to-all, not via the
bugzilla web interface).
On Mon, 18 Jan 2010 21:06:57 GMT
bugzilla-dae...@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=15087
>
>Summary: hauppauge nova-t 500 remote controller cause
On Fri, 18 Dec 2009 22:57:22 +0100
Stefani Seibold wrote:
> But kfifo_len() did not
> requiere a lock in my opinion. It is save to use without a look.
What do you mean by this? Safe in general, or safe in this particular driver?
In either case: why?
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ERROR: "__divdf3" [drivers/media/dvb/frontends/atbm8830.ko] undefined!
ERROR: "__adddf3" [drivers/media/dvb/frontends/atbm8830.ko] undefined!
ERROR: "__fixunsdfsi" [drivers/media/dvb/frontends/atbm8830.ko] undefined!
ERROR: "__udivdi3" [drivers/media/dvb/frontends/atbm8830.ko] undefined!
ERROR: "__
drivers/media/video/gspca/ov534.c: In function 'setsharpness_96':
drivers/media/video/gspca/ov534.c:1539: warning: comparison is always false due
to limited range of data type
this code can't ever have worked.
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bugzilla web interface).
(lotsa cc's added)
On Mon, 9 Nov 2009 08:59:05 GMT
bugzilla-dae...@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=14564
>
>Summary: capture-example sleeping f
(switched to email. Please respond via emailed reply-to-all, not via the
bugzilla web interface).
On Sun, 13 Sep 2009 15:08:21 GMT
bugzilla-dae...@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=14174
>
>Summary: floppy drive not usable more than one time af
On Tue, 11 Aug 2009 16:40:24 +0200
Richard R__jfors wrote:
> This is an initial driver for Analog Devices ADV7180 Video Decoder.
>
> So far it only supports setting the chip in autodetect mode and query
> the detected standard.
>
> Signed-off-by: Richard R__jfors
> ---
> diff --git a/drivers/
(switched to email. Please respond via emailed reply-to-all, not via the
bugzilla web interface).
On Mon, 10 Aug 2009 08:16:08 GMT bugzilla-dae...@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=13951
>
>Summary: in function device_authorization mutex is not
On Mon, 20 Jul 2009 22:37:08 +0200
Bal__zs H__morszky wrote:
> I don't have my kernel tree with me (I'm at vacation atm.). The patch
> is made with only the -uN options, but I can make a new one on Friday
> (if needed).
>
The patch doesn't apply to current kernels and fixing it looks non-trivia
On Wed, 22 Jul 2009 13:57:57 -0700
Andrew Morton wrote:
> (cc linux-media)
>
> On Sun, 27 Jan 2008 19:01:29 +0100
oops
> Martin Samuelsson wrote:
>
> > This enables the avs6eyes to load the bt866 and ks0127 drivers
> > automatically.
> >
>
(cc linux-media)
On Sun, 27 Jan 2008 19:01:29 +0100
Martin Samuelsson wrote:
> This enables the avs6eyes to load the bt866 and ks0127 drivers automatically.
>
> Signed-off-by: Martin Samuelsson
> ---
> zoran_card.c |6 ++
> 1 file changed, 6 insertions(+)
> --- linux-2.6.24-ori/driver
On Wed, 22 Jul 2009 00:19:00 -0700 (PDT) Trent Piepho
wrote:
> On Mon, 20 Jul 2009, Andrew Morton wrote:
> > On Mon, 20 Jul 2009 13:21:33 -0700 (PDT)
> > Trent Piepho wrote:
> > > On Mon, 20 Jul 2009, Andrew Morton wrote:
> > > I produced a patch that fi
On Mon, 20 Jul 2009 13:21:33 -0700 (PDT)
Trent Piepho wrote:
> On Mon, 20 Jul 2009, Andrew Morton wrote:
> >
> > (switched to email. Please respond via emailed reply-to-all, not via the
> > bugzilla web interface).
> >
> >
> > Guys, this is reportedly a p
(switched to email. Please respond via emailed reply-to-all, not via the
bugzilla web interface).
Guys, this is reportedly a post-2.6.30 regression - I'll ask Rafael to
add it to the regression tracking list.
btw, does the flexcop driver have a regular maintainer? Or someone who
wants to volu
On Thu, 11 Jun 2009 03:21:36 +0400 Alexey Klimov wrote:
> On Wed, Jun 10, 2009 at 11:44 PM, wrote:
> > From: Alessio Igor Bogani
> >
> > radio-mr800.c uses struct mutex, so while seems to be
> > pulled in indirectly by one of the headers it already includes, the right
> > thing is to include i
(switched to email. Please respond via emailed reply-to-all, not via the
bugzilla web interface).
On Fri, 15 May 2009 17:46:49 GMT bugzilla-dae...@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=13316
>
>Summary: task khubd:281 blocked for more than 120 seco
Begin forwarded message:
Date: Tue, 12 May 2009 09:42:35 +0200
From: Marc Haber
To: linux-ker...@vger.kernel.org
Subject: tua6100_sleep: i2c error when trying to tune saa7146 based DVB card
Recently, my entertainment PC has begun to refuse tuning to my
favorite stations, logging "tua6100_sle
On Fri, 08 May 2009 17:53:10 +0900
Magnus Damm wrote:
> From: Magnus Damm
>
> This is V3 of the V4L2 videobuf-dma-contig USERPTR zero copy patch.
>
> Since videobuf-dma-contig is designed to handle physically contiguous
> memory, this patch modifies the videobuf-dma-contig code to only accept
On Tue, 5 May 2009 22:38:07 +0200
Johannes Weiner wrote:
> On Tue, May 05, 2009 at 12:24:42PM -0700, Andrew Morton wrote:
> > On Mon, 4 May 2009 11:54:32 +0200
> > Johannes Weiner wrote:
> >
> > > A generic readonly page table lookup helper to map an address spac
On Mon, 4 May 2009 11:54:32 +0200
Johannes Weiner wrote:
> A generic readonly page table lookup helper to map an address space
> and an address from it to a pte.
umm, OK.
Is there actually some point to these three patches? If so, what is it?
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On Thu, 30 Apr 2009 22:42:06 +0100
Simon Arlott wrote:
> >> diff --git a/drivers/media/dvb/dvb-core/dmxdev.c
> >> b/drivers/media/dvb/dvb-core/dmxdev.c
> >> index c35fbb8..d6d098a 100644
> >> --- a/drivers/media/dvb/dvb-core/dmxdev.c
> >> +++ b/drivers/media/dvb/dvb-core/dmxdev.c
> >> @@ -247,7
On Wed, 22 Apr 2009 01:21:18 +0200 hermann pitton
wrote:
> Hmm, do we try to fix/improve it on Andrew's tree or take it over to
> mercurial v4l-dvb and send back from there?
I'll drop the patch which I have. Please don't lose it!
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Add tuner support AverMedia AverTV Studio 505.
Cc: Mauro Carvalho Chehab
Cc: Hermann Pitton
Cc: Michael Krufky
Signed-off-by: Andrew Morton
---
Documentation/video4linux/CARDLIST.saa7134 |1
drivers/media/video/saa7134/saa7134-cards.c | 43 ++
drivers/media/vide
Begin forwarded message:
Date: Wed, 15 Apr 2009 06:31:46 -0500
From: Alejandro Vélez
To: linux-ker...@vger.kernel.org
Subject: PROBLEM: crashes or unstability while watching tv with MPlayer from
pci bttv card
[1.] One line summary of the problem:
General system unstability occurs while pre
On Thu, 9 Apr 2009 16:33:05 +1000 Stephen Rothwell
wrote:
> I have created today's linux-next tree at
> git://git.kernel.org/pub/scm/linux/kernel/git/sfr/linux-next.git
It has a link failure with i386 allmodconfig due to missing __divdi3.
It's due to this statement in drivers/media/video/cx88/
On Tue, 31 Mar 2009 14:28:45 +0200 (CEST) Geert Uytterhoeven
wrote:
> When unplugging a Sony PlayTV USB DVB adaptor from a PS3, I get
>
> | kernel BUG at kernel/module.c:912!
>
> on 2.6.29-06608-g15f7176.
>
> Insert Sony PlayTV USB:
>
> Mar 31 13:41:57 ps3 kernel: [ 266.556878] usb 1-2.1: n
On Fri, 06 Mar 2009 13:24:46 -0800
Randy Dunlap wrote:
> It would also be Good if arch/x86/kernel/entry_32.S didn't have a
> non-static 'debug' symbol. OTOH, it helps catch things like this one.
heh, yes, it's a feature. We should put it in init/main.c, along with
100-odd other dont-do-that-do
Begin forwarded message:
Date: Thu, 05 Mar 2009 14:53:17 +0100
From: strawks
To: linux-ker...@vger.kernel.org
Subject: oops in pwc_reset_buffers
Hi all,
On 2.6.29-rc6, when resuming from suspend to RAM I got the following
oops when motion tried to open /dev/video0. Just ask me if you need s
On Wed, 25 Feb 2009 03:15:35 +0100 Markus Rechberger
wrote:
> On Wed, Feb 25, 2009 at 3:02 AM, Mauro Carvalho Chehab
> wrote:
> > On Tue, 24 Feb 2009 13:57:20 -0800
> > Andrew Morton wrote:
> >
> >>> > In the output of /proc/slab_alloc
(switched to email. Please respond via emailed reply-to-all, not via the
bugzilla web interface).
On Mon, 23 Feb 2009 22:08:37 -0800 (PST)
bugme-dae...@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=12768
There's additional info at the link.
>Summary: usb_
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