On Thu, Aug 16, 2018 at 01:16:08PM -0700, Reinette Chatre wrote:
> + l2_miss_event = perf_event_create_kernel_counter(&perf_miss_attr,
> + plr->cpu,
> + NULL, NULL, NULL);
> + if (IS_ER
On Wednesday 05 September 2018 04:07 PM, Linus Walleij wrote:
> On Mon, Sep 3, 2018 at 7:40 AM Keerthy wrote:
>> On Saturday 01 September 2018 12:43 AM, Andrew F. Davis wrote:
>>> Use dev_name to get a unique label and use -1 for a base to get our
>>> selection automatically. We pull in all GPI
On Wed, Sep 5, 2018 at 2:08 PM Guo Ren wrote:
> diff --git a/arch/csky/boot/dts/qemu.dts b/arch/csky/boot/dts/qemu.dts
> new file mode 100644
> index 000..d36e4cd
> --- /dev/null
> +++ b/arch/csky/boot/dts/qemu.dts
> @@ -0,0 +1,77 @@
> +/dts-v1/;
> +/ {
> + compatible = "csky,qemu";
> +
On Thu, 6 Sep 2018 15:52:58 +0200
Peter Zijlstra wrote:
> On Wed, Sep 05, 2018 at 11:20:31AM -0400, Steven Rostedt wrote:
> >
> > Peter, you OK with this patch? I'm currently triggering a bug (in rc2)
> > where this patch is telling me that lockdep is getting it wrong. It
> > would be good to ha
On Thu, Sep 06, 2018 at 07:39:33PM +0800, Peter Xu wrote:
> On Wed, Sep 05, 2018 at 03:55:22PM +0300, Kirill A. Shutemov wrote:
> > On Wed, Sep 05, 2018 at 03:30:37PM +0800, Peter Xu wrote:
> > > On Tue, Sep 04, 2018 at 10:00:28AM -0400, Zi Yan wrote:
> > > > On 4 Sep 2018, at 4:01, Kirill A. Shute
On Thu, Sep 06, 2018 at 06:50:41AM -0700, Sean Christopherson wrote:
> On Thu, Sep 06, 2018 at 02:24:23PM +0200, Borislav Petkov wrote:
> > On Thu, Sep 06, 2018 at 06:43:02AM -0500, Brijesh Singh wrote:
> > > Currently, the per-cpu pvclock data is allocated dynamically when
> > > cpu > HVC_BOOT_ARR
On Thu, Sep 6, 2018 at 7:36 PM, Christoph Hellwig wrote:
> Just as before: NAK to entirely pointless abstractions. Please stop
> beating the dead horse.
That's just your opinion without any concrete reasoning.
Even after explaining in various ways, you fail to understand the
flexibility brough
On Wed, Sep 5, 2018 at 2:08 PM Guo Ren wrote:
> --- /dev/null
> +++ b/arch/csky/abiv1/memset.c
> @@ -0,0 +1,38 @@
> +// SPDX-License-Identifier: GPL-2.0
> +// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
> +#include
> +
> +void *memset(void *dest, int c, size_t l)
> +{
> + char
On Thu 2018-09-06 16:29:40, Sergey Senozhatsky wrote:
> On (09/05/18 13:02), Petr Mladek wrote:
> > Note that the first registered console prints all messages
> > even without this flag.
>
> Hmm, OK, interesting point.
>
> I assumed that the first console usually has CON_PRINTBUFFER bit set.
> Or
+to maintainers
On 2018/8/18 18:49, zhong jiang wrote:
> debugfs_remove has taken null pointer into account. So it is safe
> to remove the check before debugfs_remove.
>
> Signed-off-by: zhong jiang
> ---
> drivers/acpi/custom_method.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
ptrace_scope can be modified concurrently. To ensure that the compiler only
reads ptrace_scope once, use READ_ONCE() here. (In practice, at least the
version of gcc on my machine only generates a single read anyway, and it
seems unlikely that a compiler would do something different.)
This also ser
On Wed, Sep 5, 2018 at 2:08 PM Guo Ren wrote:
> diff --git a/arch/csky/include/asm/io.h b/arch/csky/include/asm/io.h
> new file mode 100644
> index 000..fcb2142
> --- /dev/null
> +++ b/arch/csky/include/asm/io.h
> @@ -0,0 +1,23 @@
> +// SPDX-License-Identifier: GPL-2.0
> +// Copyright (C) 201
On Thu, Sep 6, 2018 at 3:34 PM Dan Carpenter wrote:
> The problem is that if port == ARRAY_SIZE() and "gc == &epg->gc[port]"
> then that should be treated as invalid.
>
> Fixes: fd935fc421e7 ("gpio: ep93xx: Do not pingpong irq numbers")
> Signed-off-by: Dan Carpenter
Patch applied!
Yours,
Linu
On Wed 2018-09-05 17:20:53, Hans de Goede wrote:
> HI,
>
> On 05-09-18 13:02, Petr Mladek wrote:
> > On Wed 2018-09-05 17:33:26, Sergey Senozhatsky wrote:
> > > On (09/05/18 14:36), Sergey Senozhatsky wrote:
> > > >
> > > > Just a demonstration of the idea. It does not look very good, tho.
> > >
On Thu, 6 Sep 2018, Kai-Heng Feng wrote:
> Raydium touchscreen triggers interrupt storm after system-wide suspend:
> [ 179.085033] i2c_hid i2c-CUST:00: i2c_hid_get_input: incomplete
> report (58/65535)
>
> According to Raydium, Windows driver does not reset the device after
> system resume.
>
There is a potential execution path in which variable *ret* is returned
without being properly initialized previously.
Fix this by initializing variable *ret* to -EINVAL.
Addresses-Coverity-ID: 1473202 ("Uninitialized scalar variable")
Fixes: 81b4cdb447fe ("interconnect: Add generic on-chip inter
On Wed, Sep 5, 2018 at 2:08 PM Guo Ren wrote:
>
> This is the 3th version patchset to add the Linux kernel port for C-SKY(csky).
> Thanks to everyone who provided feedback on the previous version.
>
> This patchset adds architecture support to Linux for C-SKY's 32-bit embedded
> CPU cores and the
On 09/01/2018 04:28 AM, Fengguang Wu wrote:
> (2) would need fundemental changes to the interface. It seems existing
> solutions
> for sparse files like SEEK_HOLE/SEEK_DATA and FIEMAP ioctl may not serve this
> situation well. The most efficient way could be to fill user space read()
> buffer with
Hi Hans,
I love your patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v4.19-rc2 next-20180906]
[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
On 06/09/18 14:17, Quentin Perret wrote:
> Hi Sudeep,
>
> On Wednesday 05 Sep 2018 at 17:38:11 (+0100), Sudeep Holla wrote:
>> @@ -166,7 +166,12 @@ scmi_perf_domain_attributes_get(const struct
>> scmi_handle *handle, u32 domain,
>> le32_to_cpu(attr->sustain
Hi Rafael,
On Thursday 06 Sep 2018 at 11:18:55 (+0200), Rafael J. Wysocki wrote:
> I'm not a particular fan of notifiers to be honest and you don't need
> to add an extra chain just in order to be able to register a callback
> from a single user.
Right. I agree there are alternatives to using not
On Thu, Aug 16, 2018 at 01:16:08PM -0700, Reinette Chatre wrote:
> + l2_miss_event = perf_event_create_kernel_counter(&perf_miss_attr,
> + plr->cpu,
> + NULL, NULL, NULL);
> + if (IS_ER
On 04-Sep 15:47, Juri Lelli wrote:
> Hi,
>
> On 28/08/18 14:53, Patrick Bellasi wrote:
> > The number of clamp groups supported is limited and defined at compile
> > time. However, a malicious user can currently ask for many different
>
> Even if not malicious.. :-)
Yeah... I should had write "a
On Thu, 6 Sep 2018, Huang, Ying wrote:
> > Certainly interested in attending but this overlaps supercomputing 2018 in
> > Dallas Texas...
>
> Sorry to know this. It appears that there are too many conferences in
> November...
I will try to get to it in the middle of SC18, RDMA track and RISC V
The Cadence Sierra PHY supports a number of different protocols. This
series adds a driver with support for USB3 and PCIe modes.
Only one clock frequency is currently supported, so the value of clock
provided in device tree is ignored.
Changes from v1:
* Each group of lanes is now treated as a s
Add a Sierra PHY driver with PCIe and USB support.
The PHY has multiple lanes, which can be configured into
groups, and a generic PHY device is created for each group.
There are two resets controlling the overall PHY block, one
to enable the APB interface for programming registers, and
another to
On 06/09/18 15:54, Juergen Gross wrote:
> Hey Meelis,
>
> On Mon, 27 Aug 2018, Meelis Roos wrote:
>
>> While trying to compile v4.18-13105-gaba16dc5cf93 with gcc 5.3.1 on a
>> 32-bit x86 configured for AMD K6
>> CC mm/slub.o
>> In file included from ./arch/x86/include/asm/atomic.h:8:0,
>>
On Thu, Sep 06, 2018 at 06:50:41AM -0700, Sean Christopherson wrote:
> That would prevent adding __decrypted to existing declarations, e.g.
> hv_clock_boot, which would be ugly in its own right. A more generic
> solution would be to add something like __decrypted_exclusive to mark
I still don't u
> -Original Message-
> From: Benjamin Tissoires [mailto:benjamin.tissoi...@redhat.com]
> Sent: Friday, August 31, 2018 7:55 AM
> To: Andy Shevchenko
> Cc: Hans de Goede ; Bastien Nocera
> ; stephenj...@gmail.com; Sebastian Reichel
> ; Wysocki, Rafael J ;
> l...@kernel.org; Moore, Robert
On Thu, Sep 06, 2018 at 07:18:25AM -0700, Sean Christopherson wrote:
> Oh, and we'd need to make sure __decrypted_exclusive is freed when
> !CONFIG_AMD_MEM_ENCRYPT, and preferably !sev_active() since the big
> array is used only if SEV is active. This patch unconditionally
> defines hv_clock_dec b
Add DT binding documentation for Sierra PHY. The PHY supports
a number of different protocols, including PCIe and USB.
The PHY lanes may be configured as single or multi-lane links.
Each link is treated as a separate subnode. For example, if
there are 4 lanes in total the first 2 may be configur
On Thu, Aug 16, 2018 at 01:16:07PM -0700, Reinette Chatre wrote:
> +static inline int x86_perf_rdpmc_ctr_get(struct perf_event *event)
> +{
> + lockdep_assert_irqs_disabled();
> +
> + return IS_ERR_OR_NULL(event) ? -1 : event->hw.event_base_rdpmc;
> +}
That should be in arch/x86/include/a
On Thu, Sep 06, 2018 at 03:46:12PM +0200, Linus Walleij wrote:
> On Wed, Sep 5, 2018 at 12:41 PM Charles Keepax
> wrote:
>
> > From: Charles Keepax
> >
> > Lochnagar is an evaluation and development board for Cirrus
> > Logic Smart CODEC and Amp devices. It allows the connection of
> > most Cirr
On Thu, Sep 06, 2018 at 02:50:44PM +0100, Colin Ian King wrote:
> On 06/09/18 14:33, Dan Carpenter wrote:
> > The problem is that if port == ARRAY_SIZE() and "gc == &epg->gc[port]"
> > then that should be treated as invalid.
> >
> > Fixes: fd935fc421e7 ("gpio: ep93xx: Do not pingpong irq numbers")
Yann Droneaud wrote:
> At first I thought the first lines (see below) could have been useful
> for userspace:
>
> #define CODA_PSDEV_MAJOR 67
> #define MAX_CODADEVS 5/* how many do we allow */
Note that I was asking about include/linux/coda_psdev.h (the internal kernel
header), not inc
On Thu, Sep 06, 2018 at 04:43:42PM +0200, Borislav Petkov wrote:
> On Thu, Sep 06, 2018 at 06:50:41AM -0700, Sean Christopherson wrote:
> > That would prevent adding __decrypted to existing declarations, e.g.
> > hv_clock_boot, which would be ugly in its own right. A more generic
> > solution woul
On 09/05/2018 10:47 PM, Michal Hocko wrote:
> why do you have to keep DEBUG_VM enabled for workloads where the boot
> time matters so much that few seconds matter?
There are a number of distributions that run with it enabled in the
default build. Fedora, for one. We've basically assumed for a wh
On 06/09/18 15:40, Patrick Bellasi wrote:
> On 04-Sep 15:47, Juri Lelli wrote:
[...]
> > Wondering if you want to fold the check below inside the
> >
> > if (user && !capable(CAP_SYS_NICE)) {
> >...
> > }
> >
> > block. It would also save you from adding another parameter to the
> > funct
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On Thu, Sep 6, 2018 at 6:29 AM Jiri Olsa wrote:
>
> On Mon, Sep 03, 2018 at 07:37:56PM -0700, Stephane Eranian wrote:
>
> SNIP
>
> >
> > I think the code is correct now for the issue related to uninitialized
> > pointer.
> > But there is still one problem I found stressing the code with
> > max_
On Thu, 6 Sep 2018 12:19:19 +0800, Ding Xiang
wrote:
> if device_register return error, iounmap should be called, also iounmap
> need to call before put_device.
>
> Signed-off-by: Ding Xiang
> ---
> arch/mips/txx9/generic/setup.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
T
--
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Firmware can provide zero as values for sustained performance level and
corresponding sustained frequency in kHz in order to hide the actual
frequencies and provide only abstract values. It may endup with divide
by zero scenario resulting in kernel panic.
Let's set the multiplication factor to one
On Thu, Sep 06, 2018 at 02:52:18PM +0100, Will Deacon wrote:
> On Wed, Sep 05, 2018 at 05:01:17PM -0700, Paul E. McKenney wrote:
> > On Tue, May 29, 2018 at 09:17:13PM +0100, Will Deacon wrote:
> > > On Tue, May 29, 2018 at 05:11:07AM -0700, Paul E. McKenney wrote:
> > > > On Tue, May 29, 2018 at 1
On Thu 06-09-18 07:59:03, Dave Hansen wrote:
> On 09/05/2018 10:47 PM, Michal Hocko wrote:
> > why do you have to keep DEBUG_VM enabled for workloads where the boot
> > time matters so much that few seconds matter?
>
> There are a number of distributions that run with it enabled in the
> default b
On 06/09/18 15:48, Dan Carpenter wrote:
> On Thu, Sep 06, 2018 at 02:50:44PM +0100, Colin Ian King wrote:
>> On 06/09/18 14:33, Dan Carpenter wrote:
>>> The problem is that if port == ARRAY_SIZE() and "gc == &epg->gc[port]"
>>> then that should be treated as invalid.
>>>
>>> Fixes: fd935fc421e7 ("g
On Thu, Sep 06, 2018 at 07:56:40AM -0700, Sean Christopherson wrote:
> Wouldn't that result in @hv_clock_boot being incorrectly freed in the
> !SEV case?
Ok, maybe I'm missing something but why do we need 4K per CPU? Why can't
we map all those pages which contain the clock variable, decrypted in
a
Hi Jonathan,
Thanks a lot for the review. Please see my response inline.
> -Original Message-
> From: Jonathan Cameron [mailto:ji...@kernel.org]
> Sent: Monday, September 3, 2018 1:27 AM
> To: Manish Narani
> Cc: knaac...@gmx.de; l...@metafoo.de; pme...@pmeerw.net;
> robh...@kernel.org;
Hi Rob,
> -Original Message-
> From: Rob Herring [mailto:r...@kernel.org]
> Sent: Tuesday, September 4, 2018 7:46 PM
> To: Manish Narani
> Cc: mark.rutl...@arm.com; Michal Simek ;
> b...@alien8.de; mche...@kernel.org; leoyang...@nxp.com;
> amit.kuche...@linaro.org; o...@lixom.net; Sriniva
On Thu, 6 Sep 2018 11:31:51 +0900
Sergey Senozhatsky wrote:
> Hello,
>
> On (09/05/18 21:33), Steven Rostedt wrote:
> > do_idle {
> >
> > [interrupts enabled]
> >
> > [interrupts disabled]
> > TRACE_IRQS_OFF [lockdep says irqs off]
> > [...]
> > TRACE_IRQS_IRET
> >
uild arm64? Because KernelCI is seeing build failures in arm64
> defconfig for next-20180906
> Clearly it's a module build problem for sunxi but I'm not sure who to
> CC about this.
>
I do, but as part of the boot tests, not as explicit build test,
to save a bit of time. Mayb
> Subject: Re: [PATCH 4/4] PCI: xilinx-nwl: Add method to
> setup_platform_service_irq hook
>
> On Fri, Aug 10, 2018 at 09:09:40PM +0530, Bharat Kumar Gogada wrote:
> > Add nwl_setup_service_irqs hook to setup_platform_service_irq IRQs to
> > register platform provided IRQ number to kernel AER ser
Hi all,
Here's a v6 of the seccomp trap to userspace series. v5 [1] was fairly
quiet, with Christian reminding me that I had forgotten to update the
docs for the ioctl change. Other than that, there are no changes.
[1]: https://lkml.org/lkml/2018/8/28/590
Thoughts welcome,
Tycho
Tycho Andersen
This patch introduces a means for syscalls matched in seccomp to notify
some other task that a particular filter has been triggered.
The motivation for this is primarily for use with containers. For example,
if a container does an init_module(), we obviously don't want to load this
untrusted code,
As an alternative to SECCOMP_FILTER_FLAG_GET_LISTENER, perhaps a ptrace()
version which can acquire filters is useful. There are at least two reasons
this is preferable, even though it uses ptrace:
1. You can control tasks that aren't cooperating with you
2. You can control tasks whose filters blo
The idea here is that the userspace handler should be able to pass an fd
back to the trapped task, for example so it can be returned from socket().
I've proposed one API here, but I'm open to other options. In particular,
this only lets you return an fd from a syscall, which may not be enough in
a
In the next commit we'll use this same mnemonic to get a listener for the
nth filter, so we need it available outside of CHECKPOINT_RESTORE in the
USER_NOTIFICATION case as well.
v2: new in v2
v3: no changes
v4: no changes
v5: switch to CHECKPOINT_RESTORE || USER_NOTIFICATION to avoid warning when
The idea here is just to give a demonstration of how one could safely use
the SECCOMP_RET_USER_NOTIF feature to do mount policies. This particular
policy is (as noted in the comment) not very interesting, but it serves to
illustrate how one might apply a policy dodging the various TOCTOU issues.
v
Ping?
On Tue, Aug 28, 2018 at 08:03:56PM -0400, Sasha Levin wrote:
>Ping?
>
>On Mon, Aug 13, 2018 at 07:05:36PM +, Sasha Levin wrote:
>>Hi Ingo,
>>
>>Please pull the following minor fixes for liblockdep.
>>
>>Also available at:
>>
>> git://git.kernel.org/pub/scm/linux/kernel/git/sashal/li
> Subject: Re: [PATCH 3/4] PCI/portdrv: Check platform supported service IRQ's
>
> On Fri, Aug 10, 2018 at 09:09:39PM +0530, Bharat Kumar Gogada wrote:
> > Platforms may have dedicated IRQ lines for PCIe services like AER/PME
> > etc., check for such IRQ lines.
> > Check mask and fill legacy irq l
On Thu 2018-09-06 15:59:04, Jerome Brunet wrote:
> When probing, if we fail to get the pwm due to probe deferal, we shouldn't
> print an error message. Just be silent in this case.
>
> Signed-off-by: Jerome Brunet
> ---
> drivers/leds/leds-pwm.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 de
On Thu, Sep 06, 2018 at 10:04:13AM -0400, Theodore Y. Ts'o wrote:
> On Thu, Sep 06, 2018 at 06:45:15AM -0700, Guenter Roeck wrote:
> > Build results:
> > total: 134 pass: 133 fail: 1
> > Failed builds:
> > sparc32:allmodconfig
> > Qemu test results:
> > total: 311 pass: 76 fail: 235
> >
On Thu, Sep 6, 2018 at 8:13 AM Michal Hocko wrote:
>
> On Thu 06-09-18 07:59:03, Dave Hansen wrote:
> > On 09/05/2018 10:47 PM, Michal Hocko wrote:
> > > why do you have to keep DEBUG_VM enabled for workloads where the boot
> > > time matters so much that few seconds matter?
> >
> > There are a nu
On Thu 06 Sep 06:53 PDT 2018, Amit Kucheria wrote:
> On Tue, Sep 4, 2018 at 10:31 AM, Bjorn Andersson
> > diff --git a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
> > b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
[..]
> > + tsens0: thermal@10aa000 {
> > + compatible
On Thu, Sep 6, 2018 at 5:29 PM Tycho Andersen wrote:
>
> As an alternative to SECCOMP_FILTER_FLAG_GET_LISTENER, perhaps a ptrace()
> version which can acquire filters is useful. There are at least two reasons
> this is preferable, even though it uses ptrace:
>
> 1. You can control tasks that aren'
On 09/05/2018 01:31 PM, Dave Jiang wrote:
> copy_to_iter_mcsafe() is passing in the is_source parameter as "false"
> to check_copy_size(). This is different than what copy_to_iter() does.
> Also, the addr parameter passed to check_copy_size() is the source so
> therefore we should be passing in
On 2018/9/6 20:29, Borislav Petkov wrote:
Say what now?! What testing do you do if you boot a kernel which doesn't
even use the functionality you're testing?!
I'm sorry, this case is not good to demonstrate the useage. And I think
there are no other people will do the test without MCE in kernel
On Thu, Sep 06, 2018 at 05:45:25PM +0200, Jann Horn wrote:
> On Thu, Sep 6, 2018 at 5:29 PM Tycho Andersen wrote:
> >
> > As an alternative to SECCOMP_FILTER_FLAG_GET_LISTENER, perhaps a ptrace()
> > version which can acquire filters is useful. There are at least two reasons
> > this is preferable
On Thu, Sep 6, 2018 at 4:25 PM Arnd Bergmann wrote:
> On Wed, Sep 5, 2018 at 2:08 PM Guo Ren wrote:
> > --- /dev/null
> > +++ b/arch/csky/abiv1/memset.c
> > @@ -0,0 +1,38 @@
> > +// SPDX-License-Identifier: GPL-2.0
> > +// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
> > +#include
> >
On Wed 05 Sep 11:35 PDT 2018, Niklas Cassel wrote:
> DTS board files should always specify model and compatible.
>
> All DTS board files that includes msm8916.dtsi
> already specifies model and compatible, and will thus
> override the model and compatible in msm8916.dtsi.
>
> Drop model and comp
On Wed, 5 Sep 2018 20:07:50 +0100
Grant Likely wrote:
> The dtb= parameter is no longer the primary mechanism for providing a
> devicetree to the kernel. Now either firmware or the boot selector (ex.
> Grub) should provide the devicetree and dtb= should only be used for
> debug or when using fir
On Wed 05 Sep 11:35 PDT 2018, Niklas Cassel wrote:
> DTS board files should always specify model and compatible.
>
> All DTS board files that includes msm8996.dtsi
> already specifies model and compatible, and will thus
> override the model and compatible in msm8996.dtsi.
>
> Drop model from msm
Hi Boris,
Thanks a lot for the review. Please see my comments inline.
> -Original Message-
> From: Borislav Petkov [mailto:b...@alien8.de]
> Sent: Tuesday, September 4, 2018 10:28 PM
> To: Manish Narani
> Cc: robh...@kernel.org; mark.rutl...@arm.com; Michal Simek
> ; mche...@kernel.org;
From: "Steven Rostedt (VMware)"
Borislav reported the following splat:
=
WARNING: suspicious RCU usage
4.19.0-rc1+ #1 Not tainted
-
./include/linux/rcupdate.h:631 rcu_read_lock() used illegally while idle!
other info that might help u
From: "Steven Rostedt (VMware)"
I hit the following splat in my tests:
[ cut here ]
IRQs not enabled as expected
WARNING: CPU: 3 PID: 0 at kernel/time/tick-sched.c:982
tick_nohz_idle_enter+0x44/0x8c
Modules linked in: ip6t_REJECT nf_reject_ipv6 ip6table_filter ip6_tables
Linus,
This fixes two bugs:
- The first one is a side effect caused by using SRCU for rcuidle
tracepoints. It seems that perf was depending on the rcuidle
tracepoints to make RCU watch when it wasn't. The real fix will
be to have perf use SRCU instead of depending on RCU watching,
On Thu, Sep 06, 2018 at 05:19:38PM +0200, Borislav Petkov wrote:
> On Thu, Sep 06, 2018 at 07:56:40AM -0700, Sean Christopherson wrote:
> > Wouldn't that result in @hv_clock_boot being incorrectly freed in the
> > !SEV case?
>
> Ok, maybe I'm missing something but why do we need 4K per CPU? Why ca
Hi,
While fuzzing arm64 v4.19-rc2 with Syzkaller, I'm seeing a number of
splats (e.g. use-after-frees) in tty ioctl handling, e.g.
n_tty_set_termios. I've included one such splat at the end of this email.
It looks like syzbot has been hitting these (e.g. [1]) for a number of months,
so I guess th
On Thu, Sep 06, 2018 at 03:42:07PM +0800, kbuild test robot wrote:
> Hi Roman,
>
> Thank you for the patch! Perhaps something to improve:
>
> [auto build test WARNING on linus/master]
> [also build test WARNING on v4.19-rc2 next-20180905]
> [if your patch is applied to the wrong git tree, please
Hi,
On Sat, Sep 1, 2018 at 3:23 PM, Bjorn Andersson
wrote:
> From: Sibi Sankar
>
> This patch adds the node to support AOSS reset driver on
> SDM845
>
> Signed-off-by: Sibi Sankar
> [bjorn: Updated addresses to match the binding that was merged]
> Signed-off-by: Bjorn Andersson
> ---
> arch/a
On Thu, Sep 06, 2018 at 09:12:12AM -0400, Theodore Y. Ts'o wrote:
> So I don't see the point of changing return value block_page_mkwrite()
> (although to be honest I haven't see the value of the vm_fault_t
> change at all in the first place, at least not compared to the pain it
> has caused) but no
"Gustavo A. R. Silva" wrote:
> The comparison of cid >= 0 is always true because cid is of type u8
> (8 bits, unsigned).
>
> Fix this by removing such comparison and updating the type of
> variable cid to u8 in the caller function.
>
> Addresses-Coverity-ID: 1473079 ("Unsigned compared against
On 09/06/2018 08:13 AM, Michal Hocko wrote:
>> CONFIG_DEBUG_VM_SLOW_AS_HECK
>>
>> under which we can put this an other really slow VM debugging. Or, we
>> need some kind of boot-time parameter to trigger the extra checking
>> instead of a new CONFIG option.
> I strongly suspect nobody will ev
On Thu 28-06-18 22:48:51, Anatoly Trosinenko wrote:
> Mounting broken UDF image causes KASAN warning on v4.18-rc2.
>
> How to reproduce:
> 1. Compile v4.18-rc2 kernel with the attached config
> 2. Unpack and mount the attached FS image as UDF
Thanks for the report and reproducer. I'll send fixes
On 9/6/18 11:41 AM, Alexander Duyck wrote:
> On Thu, Sep 6, 2018 at 8:13 AM Michal Hocko wrote:
>>
>> On Thu 06-09-18 07:59:03, Dave Hansen wrote:
>>> On 09/05/2018 10:47 PM, Michal Hocko wrote:
why do you have to keep DEBUG_VM enabled for workloads where the boot
time matters so much
On Thu, Sep 6, 2018 at 5:29 PM Tycho Andersen wrote:
> The idea here is that the userspace handler should be able to pass an fd
> back to the trapped task, for example so it can be returned from socket().
[...]
> diff --git a/Documentation/userspace-api/seccomp_filter.rst
> b/Documentation/usersp
Hi Boris,
Thanks for the review.
> -Original Message-
> From: Borislav Petkov [mailto:b...@alien8.de]
> Sent: Wednesday, September 5, 2018 3:50 PM
> To: Manish Narani
> Cc: robh...@kernel.org; mark.rutl...@arm.com; Michal Simek
> ; mche...@kernel.org; leoyang...@nxp.com;
> amit.kuche...@
Hi,
Please pull this fix for an issue syzbot discovered last week
thanks
- John
The following changes since commit 57361846b52bc686112da6ca5368d11210796804:
Linux 4.19-rc2 (2018-09-02 14:37:30 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/jj
On Thu, Sep 06, 2018 at 06:15:18PM +0200, Jann Horn wrote:
> On Thu, Sep 6, 2018 at 5:29 PM Tycho Andersen wrote:
> > The idea here is that the userspace handler should be able to pass an fd
> > back to the trapped task, for example so it can be returned from socket().
> [...]
> > diff --git a/Doc
This patch fixes pin assign of vcc_host1_5v. This regulator is
controlled by USB20_HOST_DRV signal.
ROCK64 schematic says that GPIO0_A2 pin is used as USB20_HOST_DRV.
GPIO0_D3 pin is for SPDIF_TX_M0.
ROCK64 schematic:
http://files.pine64.org/doc/rock64/ROCK64_Schematic_v2.0_20171019.pdf
Signed-o
Hi,
On Wed, Sep 5, 2018 at 5:20 PM, Matthias Kaehlcke wrote:
> On Thu, Aug 30, 2018 at 11:36:12AM -0700, Douglas Anderson wrote:
>> The geni_se_clk_freq_match() has some strange semantics. Specifically
>> it is defined with two modes:
>> 1. It can find a clock that's an exact multiple of the req
The geni_se_clk_freq_match() has some strange semantics. Specifically
it is defined with two modes:
1. It can find a clock that's an exact multiple of the requested rate
2. It can find a non-exact match but it can't handle multiples then
...but callers should always be able to handle a clock that
The function clk_round_rate() is defined to return a "long", not an
"unsigned long". That's because it might return a negative error
code. Change the call in geni_se_clk_tbl_get() to check for errors.
While we're at it, get rid of a useless init of "freq".
NOTE: overall the idea that we should
Hi,
On Wed, Sep 5, 2018 at 4:37 PM, Matthias Kaehlcke wrote:
>> int geni_se_clk_tbl_get(struct geni_se *se, unsigned long **tbl)
>> {
>> - unsigned long freq = 0;
>> + long freq = 0;
>
> nit: Since you are already touching this you could also remove the
> pointless initialization, 'freq
Rick,
On Wed, 5 Sep 2018, Rick Ratzel wrote:
> We're looking for suggestions on how best to proceed with a new change
> that ideally both supports the use case described above, as well as
> addresses the symptoms brought up in the initial commit (negative boot
> time causes get_expiry() to overfl
On Tue, Sep 04 2018 at 16:00 -0600, Stephen Boyd wrote:
Quoting Lina Iyer (2018-09-04 14:09:34)
On Mon, Aug 27 2018 at 14:01 -0600, Stephen Boyd wrote:
>
>Can't we just configure a different chained IRQ handler with
>irq_set_chained_handler_and_data() for each of the GPIO IRQs that are
>handled
Hello,
syzbot found the following crash on:
HEAD commit:b36fdc6853a3 Merge tag 'gpio-v4.19-2' of git://git.kernel...
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1716bc9e40
kernel config: https://syzkaller.appspot.com/x/.config?x=6c9564cd177daf0c
da
This patch adds port and endpoint of i2s and spdif nodes for rk3328.
Because to use modern sound card interface such as audio-graph-card.
Signed-off-by: Katsuhiro Suzuki
---
arch/arm64/boot/dts/rockchip/rk3328.dtsi | 24
1 file changed, 24 insertions(+)
diff --git a/arc
On Thu, 6 Sep 2018 12:49:39 +0200
Peter Oberparleiter wrote:
> On 28.08.2018 02:43, Masami Hiramatsu wrote:
> > I recently added a gcov profiling for ftrace, following
> > Documentation/dev-tools/gcov.rst.
> > 6b7dca401cb1 ("tracing: Allow gcov profiling on only ftrace subsystem")
> >
> > and i
On Thu, 6 Sep 2018 09:54:34 +0200
Sebastian Andrzej Siewior wrote:
> On 2018-09-05 08:27:54 [-0400], Steven Rostedt wrote:
> > Dear RT Folks,
> >
> > This is the RT stable review cycle of patch 4.14.63-rt41-rc1.
> >
> > Please scream at me if I messed something up. Please test the patches too.
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