This patch introduces a mechanism to add mutable hooks and immutable
hooks to the callback chain. It adds an intermediary item to the
chain which separates mutable and immutable hooks. Immutable hooks
are then marked as read-only, as well as the hook heads. This does
not preclude some hooks being a
The primary security benefit of this patchset is the introduction of read-only
hooks, even if some security modules have mutable hooks. Currently, if you have
any LSMs with mutable hooks it will render all heads, and list nodes mutable.
These are a prime place to attack because being able to manipu
Hi Dave,
Thanks a lot for your careful reviewing!
On 04/06/18 at 07:23am, Dave Hansen wrote:
> On 02/27/2018 07:26 PM, Baoquan He wrote:
> > In sparse_init(), if CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER=y, system
> > will allocate one continuous memory chunk for mem maps on one node and
> > popula
From: zoucao
Normally every BIOS reserved memory is used for some features, we can
not use them, but in some conditions, users can ensure some BIOS memorys
are not used and reserved memory is well to free, they have not a good
way to free these memroys, here add a new chareater "-" in memmap to
add a new chareater "-" in bootargs memmap, you can use this chareater to free
e820 reserved memory, for example:
reserved iomem:
cat /proc/iomem:
..
0010-6aefefff : System RAM
0100-0165537a : Kernel code
0165537b-01a8873f : Kernel data
Hi Kees,
On Thu, Apr 5, 2018 at 2:55 AM, Kees Cook wrote:
> On Thu, Mar 1, 2018 at 2:19 AM, wrote:
>> From: James Morse
>>
>> This implements arch_within_stack_frames() for arm64 that should
>> validate if a given object is contained by a kernel stack frame.
>>
>> Signed-off-by: James Morse
>
On Thu, Apr 05, 2018 at 09:37:41PM -0400, Theodore Y. Ts'o wrote:
> Note that I haven't just been complaining about it. I've been working
> on ways so that the gce-xfstests and kvm-xfstests test appliances can
> more easily be used to work on Syzbot reports. If I can make myself
> more efficient,
On Sat, Apr 7, 2018 at 7:07 AM, Linus Torvalds
wrote:
> On Tue, Apr 3, 2018 at 6:37 PM, Paul Moore wrote:
>>
>> Everything passes the selinux-testsuite, but there are a few known
>> merge conflicts. The first is with the netdev tree and is in
>> net/sctp/socket.c. Unfortunately it is a bit ugly
On Fri, Apr 06, 2018 at 03:33:36PM +0200, Dmitry Vyukov wrote:
> On Fri, Apr 6, 2018 at 3:24 PM, syzbot
> wrote:
> > Unfortunately, I don't have any reproducer for this crash yet.
>
> Interesting type of bug, I think we see this for the first time.
Can you focus syzbot to try to find a reproduce
On Fri, Apr 06, 2018 at 03:33:36PM +0200, Dmitry Vyukov wrote:
> Interesting type of bug, I think we see this for the first time.
>
> Al, do you see how this can happen?
putname() on something that hasn't come from getname(). Short
of reproducer, I don't see what can be done - it can be any
kin
Hi Baoquan,
I love your patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v4.16 next-20180406]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commits/Ba
On Sun, Apr 8, 2018 at 11:48 AM, Steven Rostedt wrote:
> On Sun, 8 Apr 2018 10:16:23 +0800
> Zhaoyang Huang wrote:
>
>> Don't choose the process with adj == OOM_SCORE_ADJ_MIN which
>> over-allocating pages for ring buffers.
>
> Why?
>
> -- Steve
because in oom_evaluate_task, the process with adj
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On Sat, Apr 07, 2018 at 08:16:46PM -0700, Matthew Wilcox wrote:
> On Fri, Apr 06, 2018 at 03:33:36PM +0200, Dmitry Vyukov wrote:
> > On Fri, Apr 6, 2018 at 3:24 PM, syzbot
> > wrote:
> > > cache_from_obj: Wrong slab cache. names_cache but object is from
> > > kmalloc-96
> >
> > Al, do you see ho
This is a partial revert (in a cleaner way) of commit ebf08ae3bc90
("ASoC: fsl_ssi: Keep ssi->i2s_net updated") to fix a regression
at test cases when switching between mono and stereo audio.
The problem is that ssi->i2s_net is initialized in set_dai_fmt()
only, while this set_dai_fmt() is only ca
On Fri, Apr 06, 2018 at 08:09:53AM +0200, Michal Hocko wrote:
> OK, we already split the documentation into these categories. So we got
> at least the structure right ;)
Yes, this part of the documentation makes sense to me :-)
> > - What kind of memory to allocate (DMA, NORMAL, HIGHMEM)
> > -
Hi Baoquan,
I love your patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v4.16 next-20180406]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commits/Ba
> -Original Message-
> From: David Disseldorp [mailto:dd...@suse.de]
> Sent: Friday, April 6, 2018 8:10 PM
> To: Zhang Zhuoyu
> Cc: n...@linux-iscsi.org; linux-s...@vger.kernel.org; target-
> de...@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH 1/1] target:separate t
On Sun, 8 Apr 2018 10:16:23 +0800
Zhaoyang Huang wrote:
> Don't choose the process with adj == OOM_SCORE_ADJ_MIN which
> over-allocating pages for ring buffers.
Why?
-- Steve
From: Huang Ying
The swap offset reported by /proc//pagemap may be not correct for
PMD migration entry. If addr passed into pagemap_range() isn't
aligned with PMD start address, the swap offset reported doesn't
reflect this. And in the loop to report information of each sub-page,
the swap offse
From: Nan Li
The IP of eMMC controller in AXG is similiar to Meson-GX series.
Here we add the initial support of the HS200 mode with
clock running at 166MHz (to be safe), since we found some eMMC chip
fail to run at 200MHz due to tunning phase error.
Signed-off-by: Nan Li
Signed-off-by: Yixun L
For buffered IO, we don't need to use block plug to cache bio,
for direct IO, generic f2fs_direct_IO has already added block
plug, so let's remove redundant one in .write_iter.
As Yunlei described in his patch:
-f2fs_file_write_iter
-blk_start_plug
-__generic_file_write_iter
...
This patch fixes to show missing encrypt/inline_data flag in
FS_IOC_GETFLAGS like ext4 does.
Signed-off-by: Chao Yu
---
fs/f2fs/file.c | 11 +--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 3fd485395f9d..79cfaad21705 100644
--- a/fs/
Now F2FS_FL_USER_VISIBLE and F2FS_FL_USER_MODIFIABLE has included
F2FS_PROJINHERIT_FL, so remove unneeded F2FS_PROJINHERIT_FL when
using visible/modifiable flag macro.
Signed-off-by: Chao Yu
---
fs/f2fs/file.c | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/fs/f2fs/fi
From: Qiufang Dai
Adds a Clock and Reset controller driver for the Always-On part
of the Amlogic Meson-AXG SoC.
Signed-off-by: Qiufang Dai
Signed-off-by: Yixun Lan
---
drivers/clk/meson/Makefile| 2 +-
drivers/clk/meson/axg-aoclk.c | 164 ++
drive
The clk81 is not expected to be changed, so drop this flag.
Signed-off-by: Yixun Lan
---
drivers/clk/meson/gxbb-aoclk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clk/meson/gxbb-aoclk.c b/drivers/clk/meson/gxbb-aoclk.c
index 59db8e92f8cf..0a2641d6fd33 100644
---
On 03/22/2018 05:55 PM, jgli...@redhat.com wrote:
> From: Ralph Campbell
>
> This patch updates the documentation for HMM to fix minor typos and
> phrasing to be a bit more readable.
>
> Signed-off-by: Ralph Campbell
> Signed-off-by: Jérôme Glisse
> Cc: Stephen Bates
> Cc: Jason Gunthorpe
>
Rely on drivers to request the clock explicitly.
Previous the kernel will leave the clock on while
bootloader adready initilized the clock, this wasn't
optimal way, so fix it here.
Signed-off-by: Yixun Lan
---
drivers/clk/meson/axg-aoclk.c | 1 -
drivers/clk/meson/gxbb-aoclk.c | 1 -
2 files c
This patch try to add AO clock and Reset driver for Amlogic's
Meson-AXG SoC.
Please note that patch 7 need to wait for the DTS changes[3] merged
into mainline first, otherwise it will break the serial console.
patch 1: factor the common code into a dedicated file
patch 3-5: add the aoclk dri
There is a protential memory leak, as of_clk_del_provider is
never called if of_clk_add_hw_provider has been executed.
Fix this by using devm variant API.
Suggested-by: Stephen Boyd
Signed-off-by: Yixun Lan
---
drivers/clk/meson/meson-aoclk.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-
Update the dt-binding documentation to support new compatible string
for the Amlogic's Meson-AXG SoC.
Reviewed-by: Rob Herring
Signed-off-by: Yixun Lan
---
Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetre
On Sat, Apr 07, 2018 at 08:38:19PM +0200, Salvatore Mesoraca wrote:
>
> @@ -206,6 +207,14 @@ static struct crypto_instance *crypto_ctr_alloc(struct
> rtattr **tb)
> if (alg->cra_blocksize < 4)
> goto out_put_alg;
>
> + /* Block size must be <= MAX_BLOCKSIZE. */
> + if
We try to refactor the common code into one dedicated file,
while preparing to add new Meson-AXG aoclk driver, this would
help us to better share the code by all aoclk drivers.
Suggested-by: Jerome Brunet
Signed-off-by: Yixun Lan
---
drivers/clk/meson/Makefile | 2 +-
drivers/clk/meson/gx
Add dt-bindings headers for the Meson-AXG's AO clock and
reset controller.
Reviewed-by: Rob Herring
Signed-off-by: Yixun Lan
---
include/dt-bindings/clock/axg-aoclkc.h | 26 ++
include/dt-bindings/reset/axg-aoclkc.h | 20
2 files changed, 46 insertio
On Fri, Apr 06, 2018 at 11:49:47PM +0200, Thomas Gleixner wrote:
> On Fri, 6 Apr 2018, Thomas Gleixner wrote:
>
> > On Fri, 6 Apr 2018, Ming Lei wrote:
> > >
> > > I will post V4 soon by using cpu_present_mask in the 1st stage irq spread.
> > > And it should work fine for Kashyap's case in normal
On Sat, Apr 07, 2018 at 08:38:20PM +0200, Salvatore Mesoraca wrote:
>
> int crypto_init_cipher_ops(struct crypto_tfm *tfm)
> {
> + const unsigned long alignmask = crypto_tfm_alg_alignmask(tfm);
> + const unsigned int size = crypto_tfm_alg_blocksize(tfm);
> struct cipher_tfm *ops = &
On Fri, Apr 06, 2018 at 03:33:36PM +0200, Dmitry Vyukov wrote:
> On Fri, Apr 6, 2018 at 3:24 PM, syzbot
> wrote:
> > cache_from_obj: Wrong slab cache. names_cache but object is from kmalloc-96
>
> Al, do you see how this can happen?
I don't see how it happened, but when looking at this bug, I th
On Sat, Apr 07, 2018 at 08:38:18PM +0200, Salvatore Mesoraca wrote:
> Creating 2 new compile-time constants for internal use,
> in preparation for the removal of VLAs[1] from crypto code.
> All ciphers implemented in Linux have a block size less than or
> equal to 16 bytes and the most demanding hw
On Sat, Apr 07, 2018 at 01:08:43PM -0700, Linus Torvalds wrote:
> On Thu, Apr 5, 2018 at 2:03 PM, Michael S. Tsirkin wrote:
> >
> > nr = get_user_pages_fast(addr, nr, gup->flags & 1, pages +
> > i);
> > - i += nr;
> > + if (nr > 0)
> > +
On Sat, Apr 07, 2018 at 12:38:24PM -0700, Dan Williams wrote:
> [ adding Paul and Josh ]
>
> On Wed, Apr 4, 2018 at 2:46 AM, Jan Kara wrote:
> > On Fri 30-03-18 21:03:30, Dan Williams wrote:
> >> Background:
> >>
> >> get_user_pages() in the filesystem pins file backed memory pages for
> >> acces
On Fri, Apr 06, 2018 at 01:08:02PM -0700, Andrew Morton wrote:
> On Fri, 6 Apr 2018 00:03:48 +0300 "Michael S. Tsirkin"
> wrote:
>
> > Turns out get_user_pages_fast and __get_user_pages_fast return different
> > values on error when given a single page: __get_user_pages_fast returns
> > 0. get_
In some scenarios, user need do some time-consuming or sleepable
operations under the hardware spinlock protection for synchronization
between the multiple subsystems.
For example, there is one PMIC efuse on Spreadtrum platform, which
need to be accessed under one hardware lock. But during the har
We have different hwspinlock modes to select, thus it will be more
readable to handle different modes with using 'switch' statement
instead of 'if' statement.
Signed-off-by: Baolin Wang
---
drivers/hwspinlock/hwspinlock_core.c | 33 -
1 file changed, 24 insertio
HI Stephen
thanks for the review
On 04/07/18 02:39, Stephen Boyd wrote:
> Quoting Yixun Lan (2018-03-27 19:50:45)
>> diff --git a/drivers/clk/meson/gxbb-aoclk.c b/drivers/clk/meson/gxbb-aoclk.c
>> index 9ec23ae9a219..5a922639a264 100644
>> --- a/drivers/clk/meson/gxbb-aoclk.c
>> +++ b/drivers/clk
From: Changbin Du
There is an format error in driver-api/usb/typec.rst that breaks sphinx
docs building.
reST markup error:
/home/changbin/work/linux/Documentation/driver-api/usb/typec.rst:215:
(SEVERE/4) Unexpected section title or transition.
Documentation/Makefile:6
Hi Al,
On Sun, 8 Apr 2018 03:19:56 +0100 Al Viro wrote:
>
> > > Caused by commit
> > >
> > > 92afc556e622 ("buffer.c: call thaw_super during emergency thaw")
> > >
> > > I have reverted that commit for today.
> >
> > I am still doing that revert ...
>
> That's interesting, seeing that t
This function, being a variant of walk_system_ram_res() introduced in
commit 8c86e70acead ("resource: provide new functions to walk through
resources"), walks through a list of all the resources of System RAM
in reversed order, i.e., from higher to lower.
It will be used in kexec_file code.
Signe
For kexec_file loading, if kexec_buf.top_down is 'true', the memory which
is used to load kernel/initrd/purgatory is supposed to be allocated from
top to down. This is what we have been doing all along in the old kexec
loading interface and the kexec loading is still default setting in some
distrib
The struct resource uses singly linked list to link siblings. It's not
easy to do reverse iteration on sibling list. So replace it with list_head.
And this makes codes in kernel/resource.c more readable after refactoring
than pointer operation.
Suggested-by: Andrew Morton
Signed-off-by: Baoquan
This post mainly converts strut resource's sibling list from singly
linked list to doubly linked list, list_head. This is suggested by
Andrew. Since I need a reversed searching on iomem_resource's
IORESOURCE_SYSTEM_RAM children, the old singly linked list way makes
the code in v1 post really ugly.
On Sat, 2018-04-07 at 14:22 +0200, Pavel Machek wrote:
> On Sat 2018-04-07 10:10:00, Pavel Machek wrote:
> > Hi!
> >
> > It seems qmicli can be used while unicsy_demo/ofone talks to the
> > modem
> > using the AT commands.
> >
> > So I could do:
> >
> > qmicli -d /dev/cdc-wdm0 --wds-follow-netwo
#syz fix: ext4: always initialize the crc32c checksum driver
Jason Ekstrand writes:
> Yeah, I suppose an application could ask for 10k frames in the future or
> something ridiculous like that. For sync_file, people strongly want a
> finite time guarantee for security/deadlock reasons. I don't know how
> happy they would be with a finite time of 10 minute
On Tue, Apr 03, 2018 at 12:26:29PM +1000, Stephen Rothwell wrote:
> Hi Al,
>
> On Mon, 19 Mar 2018 17:06:27 +1100 Stephen Rothwell
> wrote:
> >
> > After merging the vfs tree, today's linux-next build (x86_64 allnoconfig)
> > failed like this:
> >
> > fs/super.c: In function 'do_thaw_all_callba
> -邮件原件-
> 发件人: Borislav Petkov [mailto:b...@alien8.de]
> 发送时间: 2018年4月4日 19:18
> 收件人: David Wang
> 抄送: tony.l...@intel.com; t...@linutronix.de; mi...@redhat.com;
> h...@zytor.com; x...@kernel.org; linux-e...@vger.kernel.org;
> linux-kernel@vger.kernel.org; Bruce Chang (VAS)
> ; Cooper Yan
Don't choose the process with adj == OOM_SCORE_ADJ_MIN which
over-allocating pages for ring buffers.
Signed-off-by: Zhaoyang Huang
---
kernel/trace/ring_buffer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 5f38
Hi Andy & Joe
Although it is minor, it is a real bug, I thought.
Is there any comment? Thank you
---
Cheers,
Jia
On 4/2/2018 10:28 PM, Jia He Wrote:
For revert commit, it might has two double quotation marks in its
commit log.
Relax the check condition for revert commit to avoid checkpatc
Thanks for your comments, Russell
On 4/6/2018 5:09 PM, Russell King - ARM Linux Wrote:
On Thu, Apr 05, 2018 at 05:50:54AM -0700, Matthew Wilcox wrote:
On Thu, Apr 05, 2018 at 08:44:12PM +0800, Jia He wrote:
On 4/5/2018 7:34 PM, Matthew Wilcox Wrote:
On Thu, Apr 05, 2018 at 01:04:35AM -0700,
On 2018/4/6 21:41, Ryan Grachek wrote:
On Wed, Apr 4, 2018 at 7:51 PM, Shawn Lin wrote:
[+ Zhangfei Gao who added support for hi6220]
On 2018/4/4 23:31, Ryan Grachek wrote:
On Tue, Apr 3, 2018 at 6:31 AM, Shawn Lin mailto:shawn@rock-chips.com>> wrote:
On 2018/3/30 2:24, oscardagrac
On Fri, Apr 06, 2018 at 04:28:21PM +0200, Arnd Bergmann wrote:
> Let's use the same return type as the major architectures to
> avoid warnings like
>
> drivers/ata/libahci_platform.c: In function 'ahci_platform_init_host':
> drivers/ata/libahci_platform.c:561:12: warning: comparison of distinct
>
On Fri, Apr 06, 2018 at 04:28:23PM +0200, Arnd Bergmann wrote:
> This is needed to link ipv6 as a loadable module, which in turn happens
> in allmodconfig.
>
> Signed-off-by: Arnd Bergmann
> ---
> arch/hexagon/lib/checksum.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/hexagon/
On Fri, Apr 06, 2018 at 04:28:22PM +0200, Arnd Bergmann wrote:
> We already have memcpy_toio(), but not memset_io(), so let's
> add the obvious version to allow building an allmodconfig kernel
> without errors like
>
> drivers/gpu/drm/ttm/ttm_bo_util.c: In function 'ttm_bo_move_memcpy':
> drivers/
On 2018/4/5 11:51, Jaegeuk Kim wrote:
> On 04/04, Chao Yu wrote:
>> This patch enlarges block plug coverage in __issue_discard_cmd, in
>> order to collect more pending bios before issuing them, to avoid
>> being disturbed by previous discard I/O in IO aware discard mode.
>
> Hmm, then we need to w
On 2018/4/5 11:46, Jaegeuk Kim wrote:
> On 04/03, Chao Yu wrote:
>> On 2018/4/3 4:21, Jaegeuk Kim wrote:
>>> On 04/02, Chao Yu wrote:
This patch fixes to show encrypt flag in FS_IOC_GETFLAGS like ext4 does.
>>>
>>> Actually, we have to show internal flags owned by f2fs, not generic ones.
>>> W
syzbot has found reproducer for the following crash on
https://github.com/google/kmsan.git/master commit
e2ab7e8abba47a2f2698216258e5d8727ae58717 (Fri Apr 6 16:24:31 2018 +)
kmsan: temporarily disable visitAsmInstruction() to help syzbot
syzbot dashboard link:
https://syzkaller.appspot.com
>From 64542a47acf159d26b8290480c0af9c2a05d20d6 Mon Sep 17 00:00:00 2001
From: Akira Yokosawa
Date: Sun, 8 Apr 2018 07:44:55 +0900
Subject: [PATCH] tools/memory-model: Update required version of herdtools7
Code generated by klitmus7 version 7.48 doesn't compile with kernel
header of 4.15 and later
On Sat, Apr 07, 2018 at 11:09:05AM +0200, Peter Zijlstra wrote:
> On Sat, Apr 07, 2018 at 05:58:49AM +0900, Stafford Horne wrote:
> > Following Peter Z's patch ("asm-generic: Disallow no-op mb() for SMP
> > systems") which makes mb() mandatory for SMP architectures we define it
> > as l.msync. On
Please pull these updates for the Integrity subsystem, via Mimi:
a mixture of bug fixes, code cleanup, and continues to close
IMA-measurement, IMA-appraisal, and IMA-audit gaps.
Also note the addition of a new cred_getsecid LSM hook by Matthew Garrett:
For IMA purposes, we want to b
You just did it:-)
-Original Message-
From: Matt Turner [mailto:matts...@gmail.com]
Sent: Saturday, April 07, 2018 6:25 PM
To: Brown, Len
Cc: Thomas Gleixner ; Ingo Molnar ; H.
Peter Anvin ; Borislav Petkov ; LKML
; x...@kernel.org; Matt Turner
Subject: Re: [PATCH 1/2] tools/power tu
Please pull these changes for TPM, via Jarkko:
"This release contains only bug fixes. There are no new major features
added."
The following changes since commit 5893ed18a26d1f56b97c0290b0cbbc2d49d6de28:
Merge tag 'v4.16-rc6' into next-general (2018-03-23 08:26:16 +1100)
are available in the
On Sat, Apr 07, 2018 at 10:47:32AM +0200, Peter Zijlstra wrote:
> On Fri, Apr 06, 2018 at 02:09:53PM -0700, Paul E. McKenney wrote:
> > It would indeed be good to not be in the position of having to trade off
> > forward-progress guarantees against performance, but that does appear to
> > be where
On Sat, Apr 07, 2018 at 02:37:24PM -0700, Linus Torvalds wrote:
> On Sat, Apr 7, 2018 at 1:44 PM, Al Viro wrote:
> >
> > Conflicts in arch/sparc/kernel/sys_sparc32.c are not hard to
> > resolve,
> > but keep in mind that casts to u64 are needed there. I'd pushed a variant
> > of
> > res
On Fri, 6 Apr 2018 16:09:28 -0700
Tim Tianyang Chen wrote:
> > sub _sendmail_send {
> > my ($subject, $message) = @_;
> > -system("echo -e \"Subject: $subject\n\n$message\" | sendmail -t
> > $mailto");
> > +
> > +if (!defined($mail_exec)) {
> > + $mail_exec = "/usr/sbin/sendma
On Sat, 7 Apr 2018 18:01:35 +0800
Wenle Chen wrote:
> From: Wenle Chen
>
> The %d in printf need get a int
> But the real type of these vars is unsigned.
> It may let some compilers show a warning.
Thanks but the merge window is currently open. It's best to not send
patches during it. Ple
On Tue, Feb 13, 2018 at 11:12 AM, Matt Turner wrote:
> According to the Intel Software Developers' Manual, Vol. 4, Order No.
> 335592, these macros have been reversed since they were added.
>
> Fixes: 889facbee3e6 ("tools/power turbostat: v3.0: monitor Watts and
> Temperature")
> Signed-off-by: M
Ack, looks sane.
Linus
Recent changes to the min()/max() macros in include/linux/kernel.h
have added a lot of noise when compiling the kernel with Sparse checking
enabled. This mostly is due to the *huge* increase in the number of
sizeof(void) warnings, a larger number of which can safely be ignored.
Add the -Wpointer-a
On 4/6/2018 5:26 PM, James Hogan wrote:
> On Fri, Apr 06, 2018 at 02:15:57PM -0400, Sinan Kaya wrote:
>> On 4/5/2018 9:34 PM, Sinan Kaya wrote:
>>> Can we get these merged to 4.17?
>>>
>>> There was a consensus to fix the architectures having API violation issues.
>>> https://www.mail-archive.com/
On Sat, Apr 7, 2018 at 1:44 PM, Al Viro wrote:
>
> Conflicts in arch/sparc/kernel/sys_sparc32.c are not hard to resolve,
> but keep in mind that casts to u64 are needed there. I'd pushed a variant of
> resolution into #test-merge.
You say "keep in mind that casts to u64 are needed there"
This patch adds the user update information in
frames-per-second into the drm debugfs plane state.
Signed-off-by: Philippe Cornu
---
drivers/gpu/drm/stm/ltdc.c | 22 ++
drivers/gpu/drm/stm/ltdc.h | 8
2 files changed, 30 insertions(+)
diff --git a/drivers/gpu/drm/s
enable/disable_vblank() functions at drm_driver level
are deprecated. Move them to the ltdc drm_crtc_funcs
structure.
Signed-off-by: Philippe Cornu
---
drivers/gpu/drm/stm/drv.c | 2 --
drivers/gpu/drm/stm/ltdc.c | 10 ++
drivers/gpu/drm/stm/ltdc.h | 2 --
3 files changed, 6 insertion
On Sat, Apr 07, 2018 at 07:54:27PM +0200, Greg Kroah-Hartman wrote:
> On Sat, Apr 07, 2018 at 10:37:33PM +0530, Naresh Kamboju wrote:
> > >> Results from Linaro’s test farm.
> > >> No regressions on arm64, arm and x86_64.
> > >>
> > >> Summary
> > >>
a couple of SYSCALL_DEFINE conversions and removal of
pointless (and bitrotten) piece stuck in ret_from_kernel_thread
since the kernel_exceve/kernel_thread conversions six years ago.
The following changes since commit 0c8efd610b58cb23cefdfa12015799079aef94ae:
Linux 4.16-rc5 (2018-03-11
sparc syscall stuff - killing pointless wrappers, conversions to
{COMPAT_,}SYSCALL_DEFINE.
Conflicts in arch/sparc/kernel/sys_sparc32.c are not hard to resolve,
but keep in mind that casts to u64 are needed there. I'd pushed a variant of
resolution into #test-merge.
The following
On Thu, Apr 5, 2018 at 5:53 PM, Joe Perches wrote:
>
> A trivial script on a clean git tree like:
>
> $ git ls-files -- "*.[chsS]" | \
> xargs ls -la | \
> grep -P "^[^l](?:.{2,2}x|.{5,5}x|.{8,8}x)" | \
> awk '{print $9}'
A simpler version of this is:
git ls-files -s '*.[chsS]' | grep '^
When closing this CAN interface while napi poll is active, for example with:
`ip link set can0 down` several interfaces freeze. This seemed to be caused
by napi_disable called from ti_hecc_close expecting the scheduled probe to
either return quota or call napi_complete. Since the poll functions has
On Sat, 2018-04-07 at 19:47 +0100, Paul McQuade wrote:
> Fix checkpatch warnings about S_IRUGO being less readable than
> providing the permissions octal as '0444'.
Hey Paul.
I sent a cleanup a couple weeks ago to Andrew Morton for the
same thing.
https://lkml.org/lkml/2018/3/26/638
Andrew said
On Thu, Apr 5, 2018 at 2:03 PM, Michael S. Tsirkin wrote:
>
> nr = get_user_pages_fast(addr, nr, gup->flags & 1, pages + i);
> - i += nr;
> + if (nr > 0)
> + i += nr;
Can we just make this robust while at it, and just make it
On Sat, Apr 7, 2018 at 11:38 AM, Salvatore Mesoraca
wrote:
> As suggested by Laura Abbott[2], I'm resending my patch with
> MAX_BLOCKSIZE and MAX_ALIGNMASK defined in an header, so they
> can be used in other places.
> I take this opportuinuty to deal with some other VLAs not
> handled in the old
[ adding Paul and Josh ]
On Wed, Apr 4, 2018 at 2:46 AM, Jan Kara wrote:
> On Fri 30-03-18 21:03:30, Dan Williams wrote:
>> Background:
>>
>> get_user_pages() in the filesystem pins file backed memory pages for
>> access by devices performing dma. However, it only pins the memory pages
>> not the
On Fri, 2018-04-06 at 13:38 +0200, Markus Heiser wrote:
>
> Sorry, not yet. Johannes started a discussion about this. Its a long
> time ago and I do not have any new ideas yet :/ see:
>
> https://www.mail-archive.com/linux-doc@vger.kernel.org/msg07035.html
I still think the tools themselves do
://github.com/0day-ci/linux/commits/Greg-Thelen/writeback-safer-lock-nesting/20180407-122200
config: mips-db1xxx_defconfig (attached as .config)
compiler: mipsel-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin
Fix checkpatch warnings about S_IRUSR | S_IWUSR being less readable than
providing the permissions octal as '0600'.
Signed-off-by: Paul McQuade
---
mm/failslab.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/failslab.c b/mm/failslab.c
index 1f2f248e3601..b135ebb88b6f 100
Fix checkpatch warnings about S_IRUGO being less readable than
providing the permissions octal as '0444'.
Signed-off-by: Paul McQuade
---
mm/cleancache.c | 8
mm/cma_debug.c | 12 ++--
mm/dmapool.c| 2 +-
mm/frontswap.c | 8
4 files changed, 15 insertions(+), 1
Fix checkpatch warnings about S_IWUSR being less readable than
providing the permissions octal as '0200'.
Signed-off-by: Paul McQuade
---
mm/cma_debug.c | 4 ++--
mm/compaction.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/mm/cma_debug.c b/mm/cma_debug.c
index 6494c7a
We avoid 2 VLAs[1] by always allocating MAX_BLOCKSIZE bytes.
We also check the selected cipher at instance creation time, if
it doesn't comply with these limits, the creation will fail.
[1]
http://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qpxydaacu1rq...@mail.gmail.com
Signed-off-by:
Creating 2 new compile-time constants for internal use,
in preparation for the removal of VLAs[1] from crypto code.
All ciphers implemented in Linux have a block size less than or
equal to 16 bytes and the most demanding hw require 16 bytes
alignment for the block buffer.
[1]
http://lkml.kernel.o
We avoid 3 VLAs[1] by always allocating MAX_BLOCKSIZE bytes or,
when needed for alignement, MAX_BLOCKSIZE + MAX_ALIGNMASK bytes.
We also check the selected cipher at instance creation time, if
it doesn't comply with these limits, the creation will fail.
[1]
http://lkml.kernel.org/r/CA+55aFzCG-zNm
We avoid a VLA[1] by always allocating MAX_BLOCKSIZE +
MAX_ALIGNMASK bytes.
We also check the selected cipher at initialization time, if
it doesn't comply with these limits, the initialization will
fail.
[1]
http://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qpxydaacu1rq...@mail.gmail.c
We avoid 2 VLAs[1] by always allocating MAX_BLOCKSIZE*2 bytes.
We also check the selected cipher at instance creation time, if
it doesn't comply with these limits, the creation will fail.
[1]
http://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qpxydaacu1rq...@mail.gmail.com
Signed-off-b
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