On Mon, Dec 07, 2020 at 11:58:44AM -0800, James Bottomley wrote:
> On Mon, 2020-12-07 at 15:28 -0400, Jason Gunthorpe wrote:
> > On Sun, Dec 06, 2020 at 08:26:16PM +0100, Thomas Gleixner wrote:
> > > Just as a side note. I was looking at tpm_tis_probe_irq_single()
> > > and that function is leaking
On Tue, Dec 8, 2020 at 6:23 AM Marcelo Tosatti wrote:
>
> On Mon, Dec 07, 2020 at 10:04:45AM -0800, Andy Lutomirski wrote:
> >
> >
> > I do have a feature request, though: IMO it would be quite nifty if the new
> > kvmclock structure could also expose NTP corrections. In other words, if
> > you
On Fri, 4 Dec 2020 07:43:47 +0100
Thorsten Leemhuis wrote:
> This series adds a new and mostly finished document describing how to report
> issues with the Linux kernel to its developers.
OK, I have applied this series. Thanks to Thorsten for doing all of this
work and sticking with it, and th
On Tue, Dec 08, 2020 at 10:02:57AM -0500, Mimi Zohar wrote:
> Hi Jarkko,
>
> On Fri, 2020-12-04 at 17:30 +0200, Jarkko Sakkinen wrote:
> > On Wed, Dec 02, 2020 at 02:34:07PM -0500, gmail Elaine Palmer wrote:
> > > Hi Sumit,
> > >
> > > Thank you for the detailed descriptions and examples of tru
On Tue, Nov 10, 2020 at 08:21:53AM -0800, Yu-cheng Yu wrote:
> There is essentially no room left in the x86 hardware PTEs on some OSes
> (not Linux). That left the hardware architects looking for a way to
> represent a new memory type (shadow stack) within the existing bits.
> They chose to repurp
On Tue, 1 Dec 2020 12:57:54 +0100
Philipp Zabel wrote:
> Add initial reset controller API documentation. This is mostly intended
> to describe the concepts to users of the consumer API, and to tie the
> kerneldoc comments we already have into the driver API documentation.
>
> Signed-off-by: Phi
On Tue, Dec 08, 2020 at 09:19:27AM -0800, Paul E. McKenney wrote:
> On Tue, Dec 08, 2020 at 04:54:57PM +0100, Frederic Weisbecker wrote:
> > On Tue, Dec 08, 2020 at 06:58:10AM -0800, Paul E. McKenney wrote:
> > > Hello, Frederic,
> > >
> > > Boqun just asked if RCU callbacks ran in BH-disabled con
From: Xiaohui Zhang Sent: Tuesday, December 8, 2020
5:19 AM
>
> From: Zhang Xiaohui
>
> storvsc_queuecommand() calls memcpy() without checking
> the destination size may trigger a buffer overflower,
> which a local user could use to cause denial of service
> or the execution of arbitrary code
On Tue, 08 Dec 2020 11:34:41 -0600
Tom Zanussi wrote:
> Unfortunately, you're correct, if you have a script that creates a
> synthetic event without semicolons, this patchset will break it, as I
> myself found out and fixed in patch 4 ([PATCH v3 4/5] selftests/ftrace:
> Add synthetic event field
On Wed, 2 Dec 2020 16:32:43 +0100
Mathieu Chouquet-Stringer wrote:
> Hello Jonathan,
>
> Here's a patch updating the meaning of TAINT_CPU_OUT_OF_SPEC after
> Borislav introduced changes in a7e1f67ed29f and upcoming patches in tip.
>
> TAINT_CPU_OUT_OF_SPEC now means a bit more what it im
The vrf_add_mac_header_if_unset() is defined within a conditional
compilation block which depends on the CONFIG_IPV6 macro.
However, the vrf_add_mac_header_if_unset() needs to be called also by IPv4
related code and when the CONFIG_IPV6 is not set, this function is missing.
As a consequence, the bu
On Tue, Dec 08, 2020 at 08:38:59PM +1100, Stephen Rothwell wrote:
> Hi all,
>
> On Tue, 8 Dec 2020 20:28:53 +1100 Stephen Rothwell
> wrote:
> >
> > Hi all,
> >
> > After merging the scsi-mkp tree, today's linux-next build (sparc64
> > defconfig) failed like this:
> >
> > drivers/mtd/nand/raw/i
On Mon, Dec 07, 2020 at 06:41:38PM +0530, Srikar Dronamraju wrote:
> * Gautham R. Shenoy [2020-12-04 10:18:47]:
>
> > From: "Gautham R. Shenoy"
> >
> >
> > Signed-off-by: Gautham R. Shenoy
> > ---
> >
> > +extern bool thread_group_shares_l2;
> > /*
> > * On big-core systems, each core has
On 12/8/20 9:54 AM, Jonathan Corbet wrote:
> On Wed, 2 Dec 2020 16:32:43 +0100
> Mathieu Chouquet-Stringer wrote:
>
>> Hello Jonathan,
>>
>> Here's a patch updating the meaning of TAINT_CPU_OUT_OF_SPEC after
>> Borislav introduced changes in a7e1f67ed29f and upcoming patches in tip.
>>
>> T
On Tue, 8 Dec 2020, Julia Lawall wrote:
> Hello,
>
> We have not succeeded to boot 5.10 on our Intel(R) Xeon(R) CPU E7-8870 v4 @
> 2.10GHz server. Previous versions (eg 4.19 - 5.9) boot fine. We have
> tried various rcs. The backtrace for rc7 is shown below.
Some more information, from earl
On Mon, Dec 7, 2020 at 9:46 PM Fangrui Song wrote:
>
> arm64 references the start address of .builtin_fw (__start_builtin_fw)
> with a pair of R_AARCH64_ADR_PREL_PG_HI21/R_AARCH64_LDST64_ABS_LO12_NC
> relocations. The compiler is allowed to emit the
> R_AARCH64_LDST64_ABS_LO12_NC relocation becaus
On 12/8/20 12:04 AM, Chris Chiu wrote:
Tha ARCHOS Cesium 140 tablet has problem with the jack-sensing,
thus the heaset functions are not working.
Add quirk for this model to select the correct input map, jack-detect
options and channel map to enable jack sensing and headset microphone.
This d
On Thu, Nov 26, 2020 at 12:59:27PM +0100, Geert Uytterhoeven wrote:
> The R-Car PCIe controller does not use interrupts when configured
> for endpoint mode, hence the bindings do not document the interrupt
> property. However, all DTS files provide interrupts properties, and
> thus fail to validat
On Thu, 26 Nov 2020 15:15:59 +0100, Neil Armstrong wrote:
> This adds the MIPI DSI Host Pixel Clock bindings.
>
> Signed-off-by: Neil Armstrong
> ---
> include/dt-bindings/clock/g12a-clkc.h | 2 ++
> 1 file changed, 2 insertions(+)
>
Acked-by: Rob Herring
On Tue, 2020-12-08 at 10:24 +0100, Paul Menzel wrote:
Dear Linux folks,
Trying to reduce the boot time of standard distributions, I would like
to get rid of the initrd. The initrd is for mounting the root file
system and on most end user systems with standard distributions that
means loading t
On 08/12/2020 16:40, Xiaohui Zhang wrote:
From: Zhang Xiaohui
prep_ssp_v3_hw() calls memcpy() without checking the
destination size may trigger a buffer overflower, which a
local user could use to cause denial of service or the
execution of arbitrary code.
Fix it by putting the length check bef
Richard,
On 01/12/20 03:57PM, Pratyush Yadav wrote:
> For NOR flashes EC and VID are zeroed out before an erase is issued to
> make sure UBI does not mistakenly treat the PEB as used and associate it
> with an LEB.
>
> But on some flashes, like the Cypress Semper S28 SPI NOR flash family,
> multi
On Thu, Nov 26, 2020 at 07:45:59PM +0100, AngeloGioacchino Del Regno wrote:
> The OSM programming addition has been done under the
> qcom,cpufreq-hw-8998 compatible name: specify the requirement
> of two additional register spaces for this functionality.
>
> Signed-off-by: AngeloGioacchino Del Reg
The following commit has been merged into the x86/cpu branch of tip:
Commit-ID: 262bd5724afdefd4c48a260d6100e78cc43ee06b
Gitweb:
https://git.kernel.org/tip/262bd5724afdefd4c48a260d6100e78cc43ee06b
Author:Arvind Sankar
AuthorDate:Fri, 27 Nov 2020 12:13:24 -05:00
Committer:
On Fri, 27 Nov 2020 13:14:20 +0200, Alexandru Ardelean wrote:
> This change adds the device-tree entries for the Analog Devices ADP5585 and
> ADP5589 devices to the trivial devices list.
>
> Signed-off-by: Alexandru Ardelean
> ---
> Documentation/devicetree/bindings/trivial-devices.yaml | 6
BPF programs are useful in perf to profile BPF programs. BPF skeleton is
by far the easiest way to write BPF tools. Enable building BPF skeletons
in util/bpf_skel. A dummy bpf skeleton is added. More bpf skeletons will
be added for different use cases.
Signed-off-by: Song Liu
---
tools/bpf/bpfto
This set introduces perf-stat -b option to count events for BPF programs.
This is similar to bpftool-prog-profile. But perf-stat makes it much more
flexible.
Changes v2 => v3:
1. Small fixes in Makefile.perf and bpf_counter.c (Jiri)
2. Rebased on top of bpf-next. This is because 1/2 conflicts
Introduce perf-stat -b option, which counts events for BPF programs, like:
[root@localhost ~]# ~/perf stat -e ref-cycles,cycles -b 254 -I 1000
1.487903822115,200 ref-cycles
1.487903822 86,012 cycles
2.489147029 80,560 ref-cycles
On Tue, Dec 8, 2020 at 11:57 AM Thierry Reding wrote:
>
> Is this really that complicated? I sounds to me like the only thing that
> you need is to have some sort of usage count for the prescaler. Whenever
> you want to use the prescaler you check that usage count. If it is zero,
> then you can ju
On Tue, Dec 08, 2020 at 05:02:07PM +0100, Thomas Gleixner wrote:
> On Tue, Dec 08 2020 at 16:50, Maxim Levitsky wrote:
> > On Mon, 2020-12-07 at 20:29 -0300, Marcelo Tosatti wrote:
> >> > +This ioctl allows to reconstruct the guest's IA32_TSC and TSC_ADJUST
> >> > value
> >> > +from the state obta
On Tue, Dec 08, 2020 at 06:25:13PM +0200, Maxim Levitsky wrote:
> On Tue, 2020-12-08 at 17:02 +0100, Thomas Gleixner wrote:
> > On Tue, Dec 08 2020 at 16:50, Maxim Levitsky wrote:
> > > On Mon, 2020-12-07 at 20:29 -0300, Marcelo Tosatti wrote:
> > > > > +This ioctl allows to reconstruct the guest's
On Tue, Dec 08, 2020 at 03:19:20PM +0800, Qi Liu wrote:
> The ETM device can't keep up with the core pipeline when cpu core
> is at full speed. This may cause overflow within core and its ETM.
> This is a common phenomenon on ETM devices.
>
> On HiSilicon Hip08 platform, a specific feature is adde
On 12/8/20 8:59 AM, Brendan Jackman wrote:
On Tue, Dec 08, 2020 at 08:38:04AM -0800, Yonghong Song wrote:
On 12/8/20 4:41 AM, Brendan Jackman wrote:
On Mon, Dec 07, 2020 at 07:18:57PM -0800, Yonghong Song wrote:
On 12/7/20 8:07 AM, Brendan Jackman wrote:
The prog_test that's added depe
> On Dec 8, 2020, at 2:24 AM, Jiri Olsa wrote:
>
> On Tue, Dec 08, 2020 at 01:36:57AM +, Song Liu wrote:
>
> SNIP
>
>>>
>>> I'm still getting
>>>
>>> [root@dell-r440-01 perf]# ./perf stat -b 38
>>> libbpf: elf: skipping unrecognized data section(9) .eh_frame
>>> libbpf: elf: skipping r
On Tue, 8 Dec 2020 11:24:17 -0600 Mario Limonciello wrote:
> On 12/4/20 2:09 PM, Mario Limonciello wrote:
> > From: Vitaly Lifshits
> >
> > Changed a configuration in the flows to align with
> > architecture requirements to achieve S0i3.2 substate.
> >
> > Also fixed a typo in the previous commit
On Tue, Dec 8, 2020 at 1:53 AM Muchun Song wrote:
>
> The vmstat threshold is 32 (MEMCG_CHARGE_BATCH), so the type of s32
> of lruvec_stat_cpu is enough. And introduce struct per_cpu_lruvec_stat
> to optimize memory usage.
>
> The size of struct lruvec_stat is 304 bytes on 64 bits system. As it
>
On 2020-12-08 17:21, Catalin Marinas wrote:
On Mon, Dec 07, 2020 at 07:03:13PM +, Marc Zyngier wrote:
On Mon, 07 Dec 2020 16:34:05 +,
Catalin Marinas wrote:
> On Mon, Dec 07, 2020 at 04:05:55PM +, Marc Zyngier wrote:
> > What I'd really like to see is a description of how shared mem
I've
been having to teach it about various relocation types for non-x86_64
architectures; I'm sure the failure from that scenario is...gnarly. I
don't know if my latest aarch64 fixes have been deployed (and it
depends on how the library is distributed).
> >
> > Can
On 07/12/2020 23:29, Jakub Kicinski wrote:
On Fri, 4 Dec 2020 19:02:32 +0200 Andra Paraschiv wrote:
diff --git a/include/uapi/linux/vm_sockets.h b/include/uapi/linux/vm_sockets.h
index fd0ed7221645d..46735376a57a8 100644
--- a/include/uapi/linux/vm_sockets.h
+++ b/include/uapi/linux/vm_sockets
On Tue, Dec 08, 2020 at 06:52:30PM +0100, Frederic Weisbecker wrote:
> On Tue, Dec 08, 2020 at 09:19:27AM -0800, Paul E. McKenney wrote:
> > On Tue, Dec 08, 2020 at 04:54:57PM +0100, Frederic Weisbecker wrote:
> > > On Tue, Dec 08, 2020 at 06:58:10AM -0800, Paul E. McKenney wrote:
> > > > Hello, Fr
On 12/8/2020 9:50 AM, Borislav Petkov wrote:
On Tue, Nov 10, 2020 at 08:21:53AM -0800, Yu-cheng Yu wrote:
There is essentially no room left in the x86 hardware PTEs on some OSes
(not Linux). That left the hardware architects looking for a way to
represent a new memory type (shadow stack) within
Good morning,
As expected a few more fixes came late in the cycle - please
see if you can include them in the v5.11 cycle.
Applies cleanly on today's char-misc-next (ee64ed8153ab).
Thanks,
Mathieu
Arnd Bergmann (1):
coresight: remove broken __exit annotations
Qi Liu (1):
coresight: etm4x:
Hello Thierry, hello Sven,
On Tue, Dec 08, 2020 at 05:57:12PM +0100, Thierry Reding wrote:
> On Tue, Dec 08, 2020 at 09:44:42AM -0500, Sven Van Asbroeck wrote:
> > On Tue, Dec 8, 2020 at 4:10 AM Uwe Kleine-König
> > wrote:
> > >
> > > If this is already in the old code, this probably warrants a s
From: Arnd Bergmann
Functions that are annotated __exit are discarded for built-in drivers,
but the .remove callback in a device driver must still be kept around
to allow bind/unbind operations.
There is now a linker warning for the discarded symbol references:
`tmc_remove' referenced in sectio
From: Suzuki K Poulose
When the ETR is used in perf mode with a larger buffer (configured
via sysfs or the default size of 1M) than the perf aux buffer size,
we end up inserting the barrier packet at the wrong offset, while
moving the offset forward. i.e, instead of the "new moved offset",
we ins
From: Qi Liu
The ETM device can't keep up with the core pipeline when cpu core
is at full speed. This may cause overflow within core and its ETM.
This is a common phenomenon on ETM devices.
On HiSilicon Hip08 platform, a specific feature is added to set
core pipeline. So commit rate can be reduc
Peter Zijlstra writes:
> On Mon, Dec 07, 2020 at 09:56:34AM -0600, Eric W. Biederman wrote:
>
>> Do you want to pull these two into a topic branch in the tip tree
>> based on v10-rc1?
>
> I'll go do that. I'll let the robots chew on it before pushing it out
> though, I'll reply once it's in tip.g
81637] CPU: 6 PID: 616 Comm: bash Not tainted 5.10.0-rc7-next-20201208
#1
[ 276.681639] Hardware name: IBM 3906 M03 703 (LPAR)
[ 276.681641] Call Trace:
[ 276.681648] [<000458c252b6>] show_stack+0x6e/0xe8
[ 276.681652] [<00045971cf60>] dump_stack+0x90/0xc8
[ 276.68165
ash Not tainted 5.10.0-rc7-next-20201208
#1
[ 276.681639] Hardware name: IBM 3906 M03 703 (LPAR)
[ 276.681641] Call Trace:
[ 276.681648] [<000458c252b6>] show_stack+0x6e/0xe8
[ 276.681652] [<00045971cf60>] dump_stack+0x90/0xc8
[ 276.681656] [<000458e
On Tue, Dec 8, 2020 at 9:04 AM Brendan Jackman wrote:
>
> On Mon, Dec 07, 2020 at 06:19:12PM -0800, Andrii Nakryiko wrote:
> > On Mon, Dec 7, 2020 at 3:00 AM Brendan Jackman wrote:
> > >
> > > On Fri, Dec 04, 2020 at 11:00:24AM -0800, Andrii Nakryiko wrote:
> > > > On Fri, Dec 4, 2020 at 1:41 AM
Hi Steve,
On Tue, 2020-12-08 at 12:53 -0500, Steven Rostedt wrote:
> On Tue, 08 Dec 2020 11:34:41 -0600
> Tom Zanussi wrote:
>
> > Unfortunately, you're correct, if you have a script that creates a
> > synthetic event without semicolons, this patchset will break it, as
> > I
> > myself found out
On Tue, Dec 8, 2020 at 9:37 AM Julia Lawall wrote:
>
> We have not succeeded to boot 5.10 on our Intel(R) Xeon(R) CPU E7-8870 v4 @
> 2.10GHz server. Previous versions (eg 4.19 - 5.9) boot fine. We have
> tried various rcs.
So the problem started with rc1?
Could you try bisecting - even partial
On Tue, Dec 8, 2020 at 8:35 AM Christoph Hellwig wrote:
> >
> > Shouldn't this go to Linus before v5.10 is released?
>
> ping?
So by now I'm a bit worried about this series, because the early fixes
caused more problems than the current state.
So considering the timing and Al having been spotty,
00
> [ 276.681630] page dumped because: non-NULL mapping
> [ 276.681632] Modules linked in:
> [ 276.681637] CPU: 6 PID: 616 Comm: bash Not tainted
> 5.10.0-rc7-next-20201208 #1
> [ 276.681639] Hardware name: IBM 3906 M03 703 (LPAR)
> [ 276.681641] Call Trace:
> [ 276.68
Hi Mathieu,
On 11/26/20 10:06 PM, Mathieu Poirier wrote:
> Introduce function rproc_detach() to enable the remoteproc
> core to release the resources associated with a remote processor
> without stopping its operation.
>
> Signed-off-by: Mathieu Poirier
> Reviewed-by: Peng Fan
> ---
> drivers
On Tue, 8 Dec 2020, Linus Torvalds wrote:
> On Tue, Dec 8, 2020 at 9:37 AM Julia Lawall wrote:
> >
> > We have not succeeded to boot 5.10 on our Intel(R) Xeon(R) CPU E7-8870 v4 @
> > 2.10GHz server. Previous versions (eg 4.19 - 5.9) boot fine. We have
> > tried various rcs.
>
> So the proble
Make sure GPIO pin for surround channel mute is set to 0 when speaker
output is selected.
Fixes: def3f0a5c7007 ("ALSA: hda/ca0132 - Add quirk output selection
structures.")
Cc:
Signed-off-by: Connor McAdams
---
sound/pci/hda/patch_ca0132.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
This builds up on the existing socket cookie test which checks whether
the bpf_get_socket_cookie helpers provide the same value in
cgroup/connect6 and sockops programs for a socket created by the
userspace part of the test.
Adding a tracing program to the existing objects requires a different
atta
On Tue, Dec 08, 2020 at 10:34:45AM -0800, Linus Torvalds wrote:
> On Tue, Dec 8, 2020 at 8:35 AM Christoph Hellwig wrote:
> > >
> > > Shouldn't this go to Linus before v5.10 is released?
> >
> > ping?
>
> So by now I'm a bit worried about this series, because the early fixes
> caused more problem
On Thu, 3 Dec 2020 at 19:01, Eric Dumazet wrote:
> On 12/3/20 6:41 PM, Marco Elver wrote:
>
> > One more experiment -- simply adding
> >
> > --- a/net/core/skbuff.c
> > +++ b/net/core/skbuff.c
> > @@ -207,7 +207,21 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t
> > gfp_mask,
> >*
Currently, the selftest for the BPF socket_cookie helpers is built and
run independently from test_progs. It's easy to forget and hard to
maintain.
This patch moves the socket cookies test into prog_tests/ and vastly
simplifies its logic by:
- rewriting the loading code with BPF skeletons
- rewrit
Hi Robin,
I found some bugs and want to suggest a fix.
I'll apply this on your patch and let me know, if you want to modify more on top
of this.
--- a/fsck/segment.c
+++ b/fsck/segment.c
@@ -115,6 +115,8 @@ int new_data_block(struct f2fs_sb_info *sbi, void *block,
get_node_info(sbi, dn->
On Tue, 8 Dec 2020 21:56:25 +0800 Zheng Yongjun wrote:
> Simplify the return expression.
>
> Signed-off-by: Zheng Yongjun
Please make sure to CC maintainers on your patches
On Sat, Dec 5, 2020 at 1:21 PM Rasmus Villemoes
wrote:
>
> Table 8-53 in the QUICC Engine Reference manual shows definitions of
> fields up to a size of 192 bytes, not just 128. But in table 8-111,
> one does find the text
>
> Base Address of the Global Transmitter Parameter RAM Page. [...]
>
On Sat, 5 Dec 2020 22:44:08 -0500 Sven Van Asbroeck wrote:
> From: Sven Van Asbroeck
>
> To support jumbo frames, each rx ring dma buffer is 9K in size.
> But the chip only stores a single frame per dma buffer.
>
> When the chip is working with the default 1500 byte MTU, a 9K
> dma buffer goes
On Tue, 2020-12-08 at 12:06 -0800, Randy Dunlap wrote:
> On 12/8/20 9:36 AM, Florent Revest wrote:
> > Acked-by: Randy Dunlap
>
> I would say that I didn't ack this version of the patch (hey,
> it's 3x the size of the v1/v2 patches), but I have just
> rebuilt with v3, so the Ack is OK. :)
Oops!
Since "92acdc58ab11 bpf, net: Rework cookie generator as per-cpu one"
socket cookies are not guaranteed to be non-decreasing. The
bpf_get_socket_cookie helper descriptions are currently specifying that
cookies are non-decreasing but we don't want users to rely on that.
Reported-by: Daniel Borkmann
Change the Input Source enumerated control's strings to make it play
nice with pulseaudio.
Fixes: 7cb9d94c05de9 ("ALSA: hda/ca0132: add alt_select_in/out for R3Di + SBZ")
Cc:
Signed-off-by: Connor McAdams
---
sound/pci/hda/patch_ca0132.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
d
On 12/8/20 10:52 AM, Andrea Mayer wrote:
> The vrf_add_mac_header_if_unset() is defined within a conditional
> compilation block which depends on the CONFIG_IPV6 macro.
> However, the vrf_add_mac_header_if_unset() needs to be called also by IPv4
> related code and when the CONFIG_IPV6 is not set, t
This needs two new helpers, one that works in a sleepable context (using
sock_gen_cookie which disables/enables preemption) and one that does not
(for performance reasons). Both take a struct sock pointer and need to
check it for NULLness.
This helper could also be useful to other BPF program type
On Tue, 2020-12-08 at 18:18 +0100, Nicolai Fischer wrote:
> Checkpatch currently only warns if the help text is too short.
> To determine this the diff gets parsed for keywords starting
> a new entry, but several kinds of false positives can occur with
> the current implementation, especially when
On Thu, Nov 19, 2020 at 1:06 AM Souptick Joarder wrote:
>
> On Wed, Nov 4, 2020 at 7:32 AM Souptick Joarder wrote:
> >
> > Inside alloc_user_pages() based on flag value either pin_user_pages()
> > or get_user_pages_fast() will be called. However, these API might fail.
> >
> > But free_user_pages(
On Tue, Dec 08 2020 at 09:43, Andy Lutomirski wrote:
> On Tue, Dec 8, 2020 at 6:23 AM Marcelo Tosatti wrote:
> It looks like it tries to accomplish the right goal, but in a rather
> roundabout way. The host knows how to convert from TSC to
> CLOCK_REALTIME, and ptp_kvm.c exposes this data to the
Hi Hans,
On Mon, Dec 07, 2020 at 11:47:38AM +0100, Hans Verkuil wrote:
> On 03/12/2020 19:59, Sowjanya Komatineni wrote:
> > Some CSI2 receivers support 8 data lanes.
> >
> > So, this patch updates CSI2 maximum data lanes to be 8.
> >
> > Signed-off-by: Sowjanya Komatineni
> > ---
> > drivers/
On Fri, 27 Nov 2020 12:14:41 +0100, Rafał Miłecki wrote:
> From: Rafał Miłecki
>
> BCM4908 was built using older PCIe hardware block that requires using
> external reset block controlling PERST# signals.
>
> Signed-off-by: Rafał Miłecki
> ---
> .../reset/brcm,bcm4908-misc-pcie-reset.yaml | 3
On Tue, 8 Dec 2020 21:55:43 +0800 Zheng Yongjun wrote:
> diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c
> b/drivers/net/ethernet/mellanox/mlx4/cq.c
> index 3b8576b9c2f9..68bd18ee6ee3 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/cq.c
> +++ b/drivers/net/ethernet/mellanox/mlx4/cq.c
> @@ -
On Sat, 5 Dec 2020 18:43:54 -0500 Jarod Wilson wrote:
> I'm seeing a system get stuck unable to bring a downed interface back up
> when it's got an updelay value set, behavior which ceased when logging
> spew was removed from bond_miimon_inspect(). I'm monitoring logs on this
> system over another
On Fri, 27 Nov 2020 17:41:25 +0530, Manivannan Sadhasivam wrote:
> Add LLCC compatible for SM8250 SoC.
>
> Signed-off-by: Manivannan Sadhasivam
> ---
> Documentation/devicetree/bindings/arm/msm/qcom,llcc.yaml | 1 +
> 1 file changed, 1 insertion(+)
>
Acked-by: Rob Herring
On Tue, Dec 08, 2020 at 10:25:15AM -0800, Yu, Yu-cheng wrote:
> > Both are "R/O + _PAGE_COW". Where's the difference? The dirty bit?
>
> The PTEs are the same for both (a) and (b), but come from different routes.
Do not be afraid to go into detail and explain to me what those routes
are please.
On Tue, Dec 01, 2020 at 08:08:40PM -0800, Badhri Jagan Sridharan wrote:
> Unmask EXTENDED_STATUS_MASK.vSafe0V, ALERT.Extended_Status
> and set vbus_vsafe0v to enable VSAFE0V signalling.
>
> Signed-off-by: Badhri Jagan Sridharan
Reviewed-by: Guenter Roeck
> ---
> Changes since v1:
> - Setting a
On Tue, Dec 8, 2020 at 7:14 AM Xiaohui Zhang wrote:
>
> From: Zhang Xiaohui
>
> mwifiex_config_scan() calls memcpy() without checking
> the destination size may trigger a buffer overflower,
> which a local user could use to cause denial of service
> or the execution of arbitrary code.
> Fix it by
Convert unlock_page() to call unlock_folio(). By using a folio we avoid
doing a repeated compound_head() This shortens the function from 120
bytes to 76 bytes.
Signed-off-by: Matthew Wilcox (Oracle)
---
include/linux/pagemap.h | 16 +++-
mm/filemap.c| 27 ++--
Pages being added to the page cache should already be folios, so
turn add_to_page_cache_lru() into a wrapper. Saves hundreds of
bytes of text.
Signed-off-by: Matthew Wilcox (Oracle)
---
include/linux/pagemap.h | 13 +++--
mm/filemap.c| 62
With my config, this function shrinks from 480 bytes to 240 bytes
due to elimination of repeated calls to compound_head().
Signed-off-by: Matthew Wilcox (Oracle)
---
mm/filemap.c | 22 --
1 file changed, 12 insertions(+), 10 deletions(-)
diff --git a/mm/filemap.c b/mm/filema
On Tue, Dec 01, 2020 at 08:08:38PM -0800, Badhri Jagan Sridharan wrote:
> TCPM at present lacks the notion of VSAFE0V. There
> are three vbus threshold levels that are critical to track:
> a. vSafe5V - VBUS “5 volts” as defined by the USB
> PD specification.
> b. vSinkD
Convert mapping_get_entry() to return a folio and convert
pagecache_get_page() to use the folio where possible. The seemingly
dangerous cast of a page pointer to a folio pointer is safe because
__page_cache_alloc() allocates an order-0 page, which is a folio by
definition.
Signed-off-by: Matthew
These new functions are the folio analogues of the PageFlags functions.
Signed-off-by: Matthew Wilcox (Oracle)
---
include/linux/page-flags.h | 36 +---
1 file changed, 33 insertions(+), 3 deletions(-)
diff --git a/include/linux/page-flags.h b/include/linux/page-
This is like lock_page() but for use by callers who know they have a folio.
Convert __lock_page() to be __lock_folio(). This saves one call to
compound_head() per contended call to lock_page().
Signed-off-by: Matthew Wilcox (Oracle)
---
include/linux/pagemap.h | 21 +++--
mm/fil
We have trouble keeping track of whether we've already called
compound_head() to ensure we're not operating on a tail page. Further,
it's never clear whether we intend a struct page to refer to PAGE_SIZE
bytes or page_size(compound_head(page)).
Introduce a new type 'struct folio' that always refe
If we know we have a folio, we can call put_folio() instead of put_page()
and save the overhead of calling compound_head(). Also skips the
devmap checks.
Signed-off-by: Matthew Wilcox (Oracle)
---
include/linux/mm.h | 15 ++-
1 file changed, 10 insertions(+), 5 deletions(-)
diff --
On Tue, Dec 08, 2020 at 07:28:13PM +0100, Gerald Schaefer wrote:
> This is because only the compound_order is cleared in
> destroy_compound_gigantic_page(), and compound_nr is set to 1U << order == 1
> for order 0 in set_compound_order(page, 0).
I didn't realise there was a separate destroy path f
Move the declaration into mm/internal.h and rename the function to
rotate_reclaimable_folio(). This eliminates all five of the calls to
compound_head() in this function.
Signed-off-by: Matthew Wilcox (Oracle)
---
include/linux/swap.h | 1 -
mm/filemap.c | 2 +-
mm/internal.h|
On Fri, 27 Nov 2020 23:30:47 +0100, khol...@gmail.com wrote:
> From: AngeloGioacchino Del Regno
>
> Add YAML device tree binding for IMX300 CMOS image sensor, and
> the relevant MAINTAINERS entries.
>
> Signed-off-by: AngeloGioacchino Del Regno
> ---
> .../bindings/media/i2c/sony,imx300.yaml
One of the great things about compound pages is that when you try to
do various operations on a tail page, it redirects to the head page and
everything Just Works. One of the awful things is how much we pay for
that simplicity. Here's an example, end_page_writeback():
if (PageReclaim(pag
On Wed, Dec 9, 2020 at 1:21 AM Andreas Schwab wrote:
>
> On Dez 09 2020, Souptick Joarder wrote:
>
> > Kernel test robot throws below warning -
> >
> >arch/riscv/kernel/asm-offsets.c:14:6: warning: no previous prototype
> > for 'asm_offsets' [-Wmissing-prototypes]
> > 14 | void asm_offse
On Dez 09 2020, Souptick Joarder wrote:
> On Wed, Dec 9, 2020 at 1:21 AM Andreas Schwab wrote:
>>
>> On Dez 09 2020, Souptick Joarder wrote:
>>
>> > Kernel test robot throws below warning -
>> >
>> >arch/riscv/kernel/asm-offsets.c:14:6: warning: no previous prototype
>> > for 'asm_offsets' [-
The Windows driver sets the pincfg for the AE-5's rear-headphone to
report as a microphone. This causes issues with Pulseaudio mistakenly
believing there is no headphone plugged in. In Linux, we should instead
set it to be a headphone.
Fixes: a6b0961b39896 ("ALSA: hda/ca0132 - fix AE-5 pincfg")
Cc
On Tue, 8 Dec 2020 11:37:13 -0800
"J. Avila" wrote:
> Hello Steven,
>
> Thank you once again for all of your support. We saw that you also recently
> merged a change[1] which adds some validation for the timestamps in
> ring_buffer.c. Would you have any recommendations on how to add a more
> lig
If we know we have a folio, we can call get_folio() instead of get_page()
and save the overhead of calling compound_head().
Signed-off-by: Matthew Wilcox (Oracle)
---
include/linux/mm.h | 16 +---
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/include/linux/mm.h b/incl
This is like lock_page_killable() but for use by callers who
know they have a folio. Convert __lock_page_killable() to be
__lock_folio_killable(). This saves one call to compound_head() per
contended call to lock_page_killable().
Signed-off-by: Matthew Wilcox (Oracle)
---
include/linux/pagemap
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