Currently, pages which are marked as unevictable are protected from
compaction, but not from other types of migration. The POSIX real time
extension explicitly states that mlock() will prevent a major page
fault, but the spirit of is is that mlock() should give a process the
ability to control sou
Hanjun, Catalin,
On Thu, Mar 12, 2015 at 03:31:57PM +0800, Hanjun Guo wrote:
> On 2015/3/12 13:12, Jason Cooper wrote:
> > On Thu, Mar 12, 2015 at 09:46:39AM +0800, Hanjun Guo wrote:
> >> On 2015/3/12 7:11, Jason Cooper wrote:
> >>> Hey Grant,
> >>>
> >>> On Wed, Mar 11, 2015 at 06:04:50PM +,
On 03/10/2015 10:06 PM, Michael Ellerman wrote:
> This adds make install support to selftests. The basic usage is:
>
> $ cd tools/testing/selftests
> $ make install
>
> That installs into tools/testing/selftests/install, which can then be
> copied where ever necessary.
>
> The install destinatio
Dave Hansen writes:
> On 03/12/2015 03:35 PM, Andrew Morton wrote:
>> On Mon, 09 Mar 2015 13:43:21 -0700 Dave Hansen wrote:
>>> From: Dave Hansen
>>>
>>> Physical addresses are sensitive information. There are
>>> existing, known exploits that are made easier if physical
>>> information is ava
On 03/10/2015 10:05 PM, Michael Ellerman wrote:
> This adds a Make include file which most selftests can then include to
> get the run_tests logic.
>
> On its own this has the advantage of some reduction in repetition, and
> also means the pass/fail message is defined in fewer places.
>
> However
Arnd, Olof, Kevin,
Another cleanup series on top of the previous one that I sent you this
afternoon ;-) I think it is the last time that we can remove a whole bunch of
files and legacy code... We were getting used to it!
I still have another one dealing with at91rm9200 ST cleanup that I plan to se
From: Alexey Kodanev
Date: Fri, 13 Mar 2015 19:13:53 +0300
> commit dfd8645ea1bd9127 wrongly assumes that VXLAN_VDI_MASK includes
> eight lower order reserved bits of VNI field that are using for remote
> checksum offload.
>
> Right now, when VNI number greater then 0x, vxlan_udp_encap_recv(
On 03/13/2015 06:03 PM, Kevin Hilman wrote:
Daniel Lezcano writes:
There is a big number of cpuidle drivers for the ARM architecture.
These drivers have been cleaned up and grouped into the drivers/cpuidle
directory to keep track of the changes more easily and ensure the code
is following the
On 3/13/15 9:43 AM, Daniel Borkmann wrote:
On 03/13/2015 05:22 PM, Alexei Starovoitov wrote:
On 3/13/15 2:57 AM, Daniel Borkmann wrote:
On 03/13/2015 03:21 AM, Alexei Starovoitov wrote:
introduce user accessible mirror of in-kernel 'struct sk_buff':
For each member, I'd also add BUILD_BUG_ON
This helps re-factor away some of the repetitive code and makes the code
flow more nicely.
Signed-off-by: Alex Bennée
---
v3
- Move to before the un-queue active patch
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index 0cc6ab6..6682d58 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm
To cleanly restore an SMP VM we need to ensure that the current pause
state of each vcpu is correctly recorded. Things could get confused if
the CPU starts running after migration restore completes when it was
paused before it state was captured.
We use the existing KVM_GET/SET_MP_STATE ioctl to d
From: Christoffer Dall
Migrating active interrupts causes the active state to be lost
completely. This implements some additional bitmaps to track the active
state on the distributor and export this to user space.
Signed-off-by: Christoffer Dall
Signed-off-by: Alex Bennée
---
AJB:
- fixed
Daniel Lezcano writes:
> There is a big number of cpuidle drivers for the ARM architecture.
>
> These drivers have been cleaned up and grouped into the drivers/cpuidle
> directory to keep track of the changes more easily and ensure the code
> is following the same scheme across the drivers.
>
> T
From: Christoffer Dall
When a VCPU is no longer running, we currently check to see if it has a
timer scheduled in the future, and if it does, we schedule a host
hrtimer to notify is in case the timer expires while the VCPU is still
not running. When the hrtimer fires, we mask the guest's timer a
On 03/13/2015 10:33 AM, Dave Jones wrote:
> On Thu, Mar 12, 2015 at 02:15:44PM +1100, Michael Ellerman wrote:
> > On Wed, 2015-03-11 at 07:18 -0600, Shuah Khan wrote:
> > > On 03/10/2015 10:06 PM, Michael Ellerman wrote:
> > > > This adds make install support to selftests. The basic usage is:
>
From: Christoffer Dall
There is an interesting bug in the vgic code, which manifests itself
when the KVM run loop has a signal pending or needs a vmid generation
rollover after having disabled interrupts but before actually switching
to the guest.
In this case, we flush the vgic as usual, but we
Le 05/03/2015 20:17, Alexandre Belloni a écrit :
> All the peripheral remapped at io_map are taken care of by their respective
> drivers.
>
> Signed-off-by: Alexandre Belloni
Acked-by: Nicolas Ferre
Nice: I take this one with the at91-cleanup2 tag. So I'll skip this one
when taking care of thi
Le 13/03/2015 11:40, Alexandre Belloni a écrit :
> Hi,
>
> On 13/03/2015 at 08:03:15 +, Lee Jones wrote :
>> On Thu, 12 Mar 2015, Alexandre Belloni wrote:
>>
>>> AT91RM920 has a memory range reserved for timer and watchdog configuration.
>>> Expose those registers so that drivers can make use
Hey Pavel,
On Fri, Mar 13, 2015 at 01:09:35PM +0100, Pavel Machek wrote:
> Hi!
>
> I checked 4.0-rc3 and linux-next as of today, and can not see omap3
> thermal support. Can you apply the patches?
Yeah, it should be possible. Apologize, it really fell into the cracks.
There is a comment on it
On Sun, Jan 18, 2015 at 09:28:24PM +0100, Pavel Machek wrote:
>
> Add support for omap3430 sensor. Tested on Nokia N900.
>
> Fix help text to be closer to english.
>
> Ifdefs in ti-bandgap.h are not neccessary, as users have #ifdefs,
> already.
>
> Signed-off-by: Pavel Machek
>
> diff --git a
From: isaky
This path implements a bit array representing the LCD signal states instead of
the old "struct bits", which used char to represent a single bit. This will
reduce the memory usage.
Signed-off-by: Isaac Lleida
---
drivers/staging/panel/panel.c | 86 -
Nicholas Mc Guire writes:
> Return type of wait_for_completion_timeout is unsigned long not int.
> An appropriately named unsigned long is added and the assignments fixed up.
>
> Signed-off-by: Nicholas Mc Guire
Doesn't apply:
Applying: ath10k: match wait_for_completion_timeout return type
fat
On 03/13/2015 11:03 AM, jesse.lar...@amd.com wrote:
> From: Jesse Larrew
>
> Certain MSRs are only relevant to a kernel in host mode, and kvm had
> chosen not to implement these MSRs at all for guests. If a guest kernel
> ever tried to access these MSRs, the result was a general protection
> faul
On 22/02/15 12:49, Sascha Hauer wrote:
> From: James Liao
> diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h
> new file mode 100644
> index 000..c7c0d35
> --- /dev/null
> +++ b/drivers/clk/mediatek/clk-mtk.h
[...]
> +void __init mtk_clk_register_plls(struct dev
On Thu, Mar 12, 2015 at 3:17 PM, Arnaldo Carvalho de Melo
wrote:
> Em Thu, Mar 12, 2015 at 09:40:09PM +0800, Wang Nan escreveu:
>> On 2015/3/12 20:34, Jiri Olsa wrote:
>> > On Thu, Mar 12, 2015 at 07:37:02PM +0800, Wang Nan wrote:
>> >> Hi Jiri,
>> >>
>> >> Have you noticed that this patch causes
Assorted fixes around AIO on gadgetfs: leaks, use-after-free,
troubles caused by ->f_op flipping. Please, pull from
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git gadget
Shortlog:
Al Viro (8):
new helper: dup_iter()
move iov_iter.c from mm/ to lib/
gadget/fun
On 03/13/2015 05:22 PM, Alexei Starovoitov wrote:
On 3/13/15 2:57 AM, Daniel Borkmann wrote:
On 03/13/2015 03:21 AM, Alexei Starovoitov wrote:
introduce user accessible mirror of in-kernel 'struct sk_buff':
For each member, I'd also add BUILD_BUG_ON()s similarly as we have in
convert_bpf_exte
Some devices samples state of the chip select signal during power up
and act differently based on this state, so SPI core should ensure
that CS line is driven in non-active state after spi_setup().
Signed-off-by: Ivan T. Ivanov
---
drivers/spi/spi.c | 2 ++
1 file changed, 2 insertions(+)
diff
From: Ameen Ali
Date: Fri, 13 Mar 2015 16:15:52 +0200
> Array index 'j' is used before limits check.
>
> Suggest put limit check before index use.
>
> Signed-off-by :
Applied, thanks.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord
On Mar 13, 2015, at 11:25 AM, Mark Rutland wrote:
> On Fri, Mar 13, 2015 at 03:50:42PM +, Kumar Gala wrote:
>>
>> On Mar 13, 2015, at 5:52 AM, Mark Rutland wrote:
>>
+/ {
+ chosen {
+ stdout-path = &blsp1_uart2;
+ };
>>>
>>> It would be good if we had the c
On 3/13/15 4:24 AM, He Kuang wrote:
Hi, Alexei
I've followed up your bpf version. In bpf filter, sometimes we need to
get 'pid' and some other context informations to decide whether to
filter or not.
For example, to trace a vfs read procedure, we can insert bpf program to
'__vfs_read(struct fil
* Brian Silverman | 2015-03-09 20:36:27 [-0400]:
>> It looks like your softirq for net_rx is getting a packet and then after
>> raising NET_RX (again?) it blocks on a lock. In order to get this lock
>> it boosts and schedules bash. It gets runable but on the other CPU. On
>> CPU1 there is nothig g
On Tue, 2015-03-10 at 12:35 +0100, Tomasz Nowicki wrote:
> ECAM standard and MCFG table are architecture independent and it makes
> sense to share common code across all architectures. Both are going to
> corresponding files - ecam.c and mcfg.c
>
> While we are here, rename pci_parse_mcfg to acpi_
Le 13/03/2015 11:33, Daniel Lezcano a écrit :
> On 03/13/2015 11:33 AM, Alexandre Belloni wrote:
>> On 13/03/2015 at 11:23:05 +0100, Daniel Lezcano wrote :
>>> On 03/12/2015 01:07 PM, Alexandre Belloni wrote:
This patch set cleans up the system timer driver.
The main goal is to get r
On Fri, Mar 13, 2015 at 3:10 AM, Xie XiuQi wrote:
> Memory-failure as the high level machine check handler, it's necessary
> to report memory page recovery action result to user space by ftrace.
>
> This patch add a event at ras group for memory-failure.
>
> The output like below:
> # tracer: nop
On Fri, Mar 13, 2015 at 03:38:17PM +1100, Stephen Rothwell wrote:
> There is also a conflict with e9eab93cc2dc ("fs: don't allow to
> complete sync iocbs through aio_complete"), though it doesn't show up
> in the resolution since I I just used the next-next tree bits. So a
> common branch contain
> Hi.
>
> We have severe issues getting a Intel(R) Xeon(R) CPU E7-8857 v2 @ 3.00GHz
> 48 cores server to perform nice.
And report from /proc/meminfo for information.
MemTotal: 3170751320 kB
MemFree:63618844 kB
Buffers: 86516 kB
Cached: 3008212376 kB
SwapCached:
On Thu, Mar 12, 2015 at 02:15:44PM +1100, Michael Ellerman wrote:
> On Wed, 2015-03-11 at 07:18 -0600, Shuah Khan wrote:
> > On 03/10/2015 10:06 PM, Michael Ellerman wrote:
> > > This adds make install support to selftests. The basic usage is:
> > >
> > > v3: Rebase onto 4.0-rc2.
> > > R
-rdmsrl(msrs[i], val);
-
-/* CntP bit set? */
-if (val & BIT_64(62)) {
- val &= ~BIT_64(62);
- wrmsrl(msrs[i], val);
-
Hi.
We have severe issues getting a Intel(R) Xeon(R) CPU E7-8857 v2 @ 3.00GHz
48 cores server to perform nice.
We have just setup a new server for a PostgreSQL database with 3TB of
memory, primarily for disk-io-caching. The server is running Ubuntu 12.04
on kernel 3.13.0-43-generic. The only chan
Currently this test always returs zero code and a child process returns
non-zero code only if the last testcase failed.
v2: don't forget to return smth from ksft_exit()
Cc: Michael Ellerman
Cc: Shuah Khan
Cc: Cyrill Gorcunov
Signed-off-by: Andrey Vagin
---
tools/testing/selftests/kcmp/kcmp_t
On Fri, 13 Mar 2015, Mark Rutland wrote:
>*/
> - do {
> - tid = this_cpu_read(s->cpu_slab->tid);
> - c = raw_cpu_ptr(s->cpu_slab);
> - } while (IS_ENABLED(CONFIG_PREEMPT) && unlikely(tid != c->tid));
> + c = raw_cpu_ptr(s->cpu_slab);
> + tid = READ_O
On 03/13, Borislav Petkov wrote:
>
> On Fri, Mar 13, 2015 at 03:55:42PM +0100, Oleg Nesterov wrote:
> > But please look at drop_init_fpu(). If eagerfpu == F it calls drop_fpu() and
> > this is what we need. flush_thread() already has the "if
> > (!use_eager_fpu())",
> > we can shift drop_fpu() the
On Fri, 2015-03-13 at 10:44 -0500, Larry Finger wrote:
> On 03/12/2015 10:15 PM, M. Vefa Bicakci wrote:
> > Improve the readability of an if statement and its very long trace
> > output line in rtl8723au's rtw_security.c.
[]
> > diff --git a/drivers/staging/rtl8723au/core/rtw_security.c
> > b/driv
On Fri, 13 Mar 2015, Kalle Valo wrote:
> Nicholas Mc Guire writes:
>
> > Return type of wait_for_completion_timeout is unsigned long not int.
> > An appropriately named unsigned long is added and the assignments fixed up.
> > Rather than returning 0 (timeout) or a more or less random remaining t
On Fri, Mar 13, 2015 at 03:50:42PM +, Kumar Gala wrote:
>
> On Mar 13, 2015, at 5:52 AM, Mark Rutland wrote:
>
> >> +/ {
> >> + chosen {
> >> + stdout-path = &blsp1_uart2;
> >> + };
> >
> > It would be good if we had the configuration too (see
> > Documentation/devicetree/binding
Nicholas Mc Guire writes:
> Return type of wait_for_completion_timeout is unsigned long not int.
> An appropriately named unsigned long is added and the assignments fixed up.
> Rather than returning 0 (timeout) or a more or less random remaining time
> (completion success) this return 0 or 1 whic
On Fri, Mar 13, 2015 at 12:36:21PM -0300, Arnaldo Carvalho de Melo wrote:
SNIP
>
> Auto-detecting system features:
> ... dwarf: [ on ]
> ... glibc: [ on ]
> ... gtk2: [ on ]
> ... libaudit: [ on ]
>
Josh,
I'll certainly try to read this series, but not before next week.
but a couple of nits right now.
On 03/12, Josh Triplett wrote:
>
> When passed CLONE_FD, clone4 will return a file descriptor rather than a
> PID. When the child process exits, it gets automatically reaped,
And even I have
On 3/13/15 2:57 AM, Daniel Borkmann wrote:
On 03/13/2015 03:21 AM, Alexei Starovoitov wrote:
introduce user accessible mirror of in-kernel 'struct sk_buff':
For each member, I'd also add BUILD_BUG_ON()s similarly as we have in
convert_bpf_extensions(). That way, people won't forget to adjust t
On 11/03/15 11:06, Ray Jui wrote:
> Add PCIe device nodes in bcm-cygnus.dtsi but keep them disabled there.
> Only enable them for bcm958300k where PCIe interfaces are populated
>
> Signed-off-by: Ray Jui
> Reviewed-by: Scott Branden
Applied to devicetree/next with Arnd's acked-by, thanks!
--
F
On Fri, Mar 13, 2015 at 03:55:42PM +0100, Oleg Nesterov wrote:
> But please look at drop_init_fpu(). If eagerfpu == F it calls drop_fpu() and
> this is what we need. flush_thread() already has the "if (!use_eager_fpu())",
> we can shift drop_fpu() there.
>
> Otherwise, if eagerfpu == T, drop_init_
From: Jesse Larrew
Certain MSRs are only relevant to a kernel in host mode, and kvm had
chosen not to implement these MSRs at all for guests. If a guest kernel
ever tried to access these MSRs, the result was a general protection
fault.
KVM will be separately patched to return 0 when these MSRs a
On Thu, Mar 12, 2015 at 01:57:51PM -0700, Andy Lutomirski wrote:
> From: Andy Lutomirski
>
> The comment in the signal code says that apps can save/restore other
> segments on their own. It's true that apps can *save* SS on their
> own, but there's no way for apps to restore it: SYSCALL effectiv
On Fri, Mar 13, 2015 at 10:02:46AM -0400, Paul Moore wrote:
> On Monday, March 09, 2015 09:35:46 PM Mateusz Guzik wrote:
> > Can be used to determine whether two given sets have the same
> > capabilities.
> >
> > Signed-off-by: Mateusz Guzik
> > ---
> > include/linux/capability.h | 10 ++
commit dfd8645ea1bd9127 wrongly assumes that VXLAN_VDI_MASK includes
eight lower order reserved bits of VNI field that are using for remote
checksum offload.
Right now, when VNI number greater then 0x, vxlan_udp_encap_recv()
will always return with 'bad_flag' error, reducing the usable vni ran
On 03/13/2015 09:55 AM, Andrey Vagin wrote:
> Currently this test always returs zero code and a child process returns
> non-zero code only if the last testcase failed.
>
> v2: don't forget to return smth from ksft_exit()
Please check patch subject. It is phrased:
[PATCH v2] selftests/kcmp: exit w
On 03/13/2015 09:57 AM, Andrey Vagin wrote:
> Cc: Shuah Khan
> Signed-off-by: Andrey Vagin
Andrey,
Please add a meaningful commit log for this patch and resend.
-- Shuah
> ---
> tools/testing/selftests/exec/execveat.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/t
Hi Linus,
Please pull DT fixes for 4.0. Details below.
Rob
The following changes since commit 9eccca0843205f87c00404b663188b88eb248051:
Linux 4.0-rc3 (2015-03-08 16:09:09 -0700)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git
tags/devic
On 03/12/15 15:18, a...@linux-foundation.org wrote:
> The mm-of-the-moment snapshot 2015-03-12-15-17 has been uploaded to
>
>http://www.ozlabs.org/~akpm/mmotm/
>
> mmotm-readme.txt says
>
> README for mm-of-the-moment:
>
> http://www.ozlabs.org/~akpm/mmotm/
>
> This is a snapshot of my -mm
On Fri, 13 Mar 2015, Andrew G. Morgan wrote:
> > prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_RAISE, CAP_SYS_ADMIN);
> > system("/bin/bash");
>
> Let's call the above two lines [a] and [b]. With this patch, you are
> encouraging folk to write programs that contain a line like [a]
> already. So, yes, I am
Add initial device tree support for Qualcomm MSM8916 SoC and MTP8916
evaluation board. At the current time we only boot up a single processor.
Signed-off-by: Kumar Gala
---
v5:
* killed use of skeleton, moved to addr/size cells both being 2
* Added serial alias in prep of being able to spec uart
On Fri, Mar 13, 2015 at 1:40 AM, Josh Triplett wrote:
> This patch series introduces a new clone flag, CLONE_FD, which lets the caller
> handle child process exit notification via a file descriptor rather than
> SIGCHLD. CLONE_FD makes it possible for libraries to safely launch and manage
> child
On Tue, Feb 24, 2015 at 09:41:10AM +, Lee Jones wrote:
> On Mon, 23 Feb 2015, Brian Norris wrote:
> > On Tue, Feb 10, 2015 at 03:46:34PM +0800, Lee Jones wrote:
> > > On Thu, 05 Feb 2015, Brian Norris wrote:
[snip other discussion]
> > Now, unless you were able to provide an additional enligh
On Fri, Mar 13, 2015 at 03:09:58PM +0100, Michal Hocko wrote:
> Well, the memory management subsystem is rather complex and it is not
> really trivial to match all the possible combinations into simple
> counters.
Yes, I imagine.
> I would be interested in the particular usecase where you wan
Em Wed, Mar 11, 2015 at 09:58:50AM +0100, Jiri Olsa escreveu:
> Remove libbabeltrace check from default features set, because the
> requested version is not released yet in most distributions. We'll
> enable later.
>
> Calling libbabeltrace check manually via feature_check
> before $(feature-libba
Cc: Shuah Khan
Signed-off-by: Andrey Vagin
---
tools/testing/selftests/exec/execveat.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/exec/execveat.c
b/tools/testing/selftests/exec/execveat.c
index e238c95..6747a3f 100644
--- a/tools/testing/selftest
On 03/12/2015 03:35 PM, Andrew Morton wrote:
> On Mon, 09 Mar 2015 13:43:21 -0700 Dave Hansen wrote:
>> From: Dave Hansen
>>
>> Physical addresses are sensitive information. There are
>> existing, known exploits that are made easier if physical
>> information is available. Here is one example:
Currently this test always returs zero code and a child process returns
non-zero code only if the last testcase failed.
v2: don't forget to return smth from ksft_exit()
Cc: Michael Ellerman
Cc: Shuah Khan
Cc: Cyrill Gorcunov
Signed-off-by: Andrey Vagin
---
tools/testing/selftests/kcmp/kcmp_t
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Thomas Gleixner
upstream commit: 2ffa5a5cd2fe792b6399c903d5172adf088d8ff7
There is no point to keep the task ref across the check for lock
owner. Drop the ref before that, so the pro
On 03/12/2015 10:15 PM, M. Vefa Bicakci wrote:
Improve the readability of an if statement and its very long trace
output line in rtl8723au's rtw_security.c.
Signed-off-by: M. Vefa Bicakci
---
drivers/staging/rtl8723au/core/rtw_security.c | 18 +++---
1 file changed, 15 insertions
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Mike Galbraith
Shrug. Lots of hobbyists have a beast in their basement, right?
Cc: stable...@vger.kernel.org
Signed-off-by: Mike Galbraith
Signed-off-by: Sebastian Andrzej Siewior
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Daniel Wagner
Provides a framework for enqueuing callbacks from irq context
PREEMPT_RT_FULL safe. The callbacks are executed in kthread context.
Bases on wait-simple.
Signed-off-by:
Commit 9aabf810a67cd97e ("mm/slub: optimize alloc/free fastpath by
removing preemption on/off") introduced an occasional hang for kernels
built with CONFIG_PREEMPT && !CONFIG_SMP.
The problem is the following loop the patch introduced to
slab_alloc_node and slab_free:
do {
tid = this_cpu_
On Mar 13, 2015, at 5:52 AM, Mark Rutland wrote:
>> +/ {
>> +chosen {
>> +stdout-path = &blsp1_uart2;
>> +};
>
> It would be good if we had the configuration too (see
> Documentation/devicetree/bindings/chosen.txt), as that avoids any
> reliance on kernel defaults.
>
> You
Hi,
On Fri, Mar 13, 2015 at 12:15:54PM +0200, grygorii.stras...@linaro.org wrote:
> Hi Wolfram,
>
> On 03/12/2015 01:32 PM, Alexander Sverdlin wrote:
> > On 01/12/14 16:34, Grygorii Strashko wrote:
> >> This patch changes type of input parameter for
> >> .prepare/unprepare_recovery()
> >> callba
On Fri, Mar 13, 2015 at 03:45:14PM +0100, Oleg Nesterov wrote:
> Because in math_state_restore() case kernel_fpu_begin()->__save_init_fpu()
> will overwrite (corrupt) the same fpu->state buffer we need to restore.
> Without kernel_fpu_disable().
Yes.
> restore_init_xstate() obviously differs beca
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Thomas Gleixner
upstream commit: bd1dbcc67cd2c1181e2c01daac51eabf1b964dd8
No point in open coding the same function again.
Signed-off-by: Thomas Gleixner
Reviewed-by: Darren Hart
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Thomas Gleixner
upstream commit: ccf9e6a80d9e1b9df69c98e6b9745cf49869ee15
The kernel tries to atomically unlock the futex without checking
whether there is kernel state associated to
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Thomas Gleixner
upstream commit: a57594a13a446d1a6ab1dcd48339f799ce586843
Add a separate local variable for the boost/deboost logic to make the
code more readable. Add comments where
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Thomas Gleixner
upstream commit: 8930ed80f970a90a795239e7415c9b0e6f964649
The conditions under which deadlock detection is conducted are unclear
and undocumented.
Add constants inst
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Thomas Gleixner
upstream commit: 1ca7b86062ec8473d03c5cdfd336abc8b1c8098c
Exit right away, when the removed waiter was not the top priority
waiter on the lock. Get rid of the extra i
3.4.106-rt132-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Daniel Wagner
Provides a framework for enqueuing callbacks from irq context
PREEMPT_RT_FULL safe. The callbacks are executed in kthread context.
Bases on wait-simple.
Signed-off-b
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Steven Rostedt
To ease backporting patches, replace the plist functions with
rt_mutex_enqueue{_pi}() and rt_mutex_dequeue{_pi}() like upstream -rt does.
This will lower the conflicts
3.4.106-rt132-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Paul Gortmaker
On 3.14-rt we see the following trace on Canoe Pass for
SCSI_ISCI "Intel(R) C600 Series Chipset SAS Controller"
when the sas qc_issue handler is run:
BUG: sleeping
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Sebastian Andrzej Siewior
The ARM UP implementation of futex_atomic_cmpxchg_inatomic() assumes that
pagefault_disable() inherits a preempt disabled section. This assumtion
is true for
No need to retrieve the USB handle in input_mapping() when we already
do that in probe. It also allows to use the quirk without having to
add the product ID matching.
Signed-off-by: Benjamin Tissoires
---
Nick,
no need to cc DIGImend-devel when replying on this one, I'll send the same
to DIGIme
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Thomas Gleixner
upstream commit: e60cbc5ceaa518d630ab8f35a7d05cee1c752648
We want to be a bit more clever in futex_lock_pi_atomic() and separate
the possible states. Split out the wa
3.10.70-rt75-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Thomas Gleixner
upstream commit: 358c331f391f3e0432f4f96f25017d12ac8d10b1
The current implementation of try_to_take_rtmutex() is correct, but
requires more than a single brain twist
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Thomas Gleixner
upstream commit: 3eb65aeadf701976b084e9171e16bb7d1e83fbb0
Add commentry to document the chain walk and the protection mechanisms
and their scope.
Signed-off-by: Thom
3.4.106-rt132-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Mike Galbraith
mm, memcg: make refill_stock() use get_cpu_light()
Nikita reported the following memcg scheduling while atomic bug:
Call Trace:
[e22d5a90] [c0007ea8] show_stack+0x4
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Mike Galbraith
mm, memcg: make refill_stock() use get_cpu_light()
Nikita reported the following memcg scheduling while atomic bug:
Call Trace:
[e22d5a90] [c0007ea8] show_stack+0x4c/
3.4.106-rt132-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Thomas Gleixner
upstream commit: af54d6a1c3ad474bbc9893c9905022646be6092c
futex_lock_pi_atomic() is a maze of retry hoops and loops.
Reduce it to simple and understandable states:
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Sebastian Andrzej Siewior
With task_blocks_on_rt_mutex() returning early -EDEADLK we never add the
waiter to the waitqueue. Later, we try to remove it via remove_waiter()
and go boom
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Thomas Gleixner
upstream commit: 67792e2cabadbadd1a93f6790fa7bcbd47eca7c3
In case the dead lock detector is enabled we follow the lock chain to
the end in rt_mutex_adjust_prio_chain,
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Thomas Gleixner
upstream-commit: 88f2b4c15e561bb5c28709d666364f273bf54b98
Oleg noticed that rtmutex_slowtrylock() has a pointless check for
rt_mutex_owner(lock) != current.
To avoid
3.10.70-rt75-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Thomas Gleixner
upstream commit: c051b21f71d1ffdfd7ad406a1ef5ede5e5f974c5
The deadlock logic is only required for futexes.
Remove the extra arguments for the public functions and a
Dear RT Folks,
This is the RT stable review cycle of patch 3.2.68-rt99-rc1.
Please scream at me if I messed something up. Please test the patches too.
The -rc release will be uploaded to kernel.org and will be deleted when
the final release is out. This is just a review release (or release cand
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Thomas Gleixner
upstream commit: c051b21f71d1ffdfd7ad406a1ef5ede5e5f974c5
The deadlock logic is only required for futexes.
Remove the extra arguments for the public functions and al
3.2.68-rt99-rc1 stable review patch.
If anyone has any objections, please let me know.
--
From: Thomas Gleixner
upstream commit: 358c331f391f3e0432f4f96f25017d12ac8d10b1
The current implementation of try_to_take_rtmutex() is correct, but
requires more than a single brain twist
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