This patch adds IRQ handling files.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/irqflags.h | 49
arch/csky/kernel/irq.c | 22 ++
2 files changed, 71 insertions(+)
create mode 100644 arch/csky/include/asm/irqflags.h
create
This patch adds ELF definition and module relocate codes.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/elf.h | 26
arch/csky/abiv2/inc/abi/elf.h | 43
arch/csky/include/asm/elf.h | 85 +++
arch/csky/kernel/module.c
This patch adds IRQ handling files.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/irqflags.h | 49
arch/csky/kernel/irq.c | 22 ++
2 files changed, 71 insertions(+)
create mode 100644 arch/csky/include/asm/irqflags.h
create
This patch adds ELF definition and module relocate codes.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/elf.h | 26
arch/csky/abiv2/inc/abi/elf.h | 43
arch/csky/include/asm/elf.h | 85 +++
arch/csky/kernel/module.c
This patch adds csky register definition, byteorder, asm-offsets codes.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/reg_ops.h | 27 +++
arch/csky/abiv1/inc/abi/regdef.h | 26 ++
arch/csky/abiv2/inc/abi/reg_ops.h | 17 +++
This patch adds csky register definition, byteorder, asm-offsets codes.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/reg_ops.h | 27 +++
arch/csky/abiv1/inc/abi/regdef.h | 26 ++
arch/csky/abiv2/inc/abi/reg_ops.h | 17 +++
This patch adds arch ptrace implementation, stack dump and bug.h.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/bug.h | 26 +++
arch/csky/include/uapi/asm/ptrace.h | 104
arch/csky/kernel/dumpstack.c| 66
arch/csky/kernel/ptrace.c | 314
This patch adds arch ptrace implementation, stack dump and bug.h.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/bug.h | 26 +++
arch/csky/include/uapi/asm/ptrace.h | 104
arch/csky/kernel/dumpstack.c| 66
arch/csky/kernel/ptrace.c | 314
This patch adds boot, ipi, hotplug code for SMP.
Changelog:
- csky: remove irq_mapping from smp.c
There are some feedbacks from irqchip, and we need to adjust
"smp.c & smp.h" to match the csky_mp_timer modification.
- Move IPI_IRQ define into drivers/irqchip/csky_mpintc.c, because it's a
Hi all,
Today's linux-next merge of the akpm-current tree got a conflict in:
include/linux/swap.h
between commit:
0f83d16b8f1f ("mm: split SWP_FILE into SWP_ACTIVATED and SWP_FS")
from the btrfs-kdave tree and commit:
26833300651e ("mm, swap: fix race between swapoff and some swap
This patch adds boot, ipi, hotplug code for SMP.
Changelog:
- csky: remove irq_mapping from smp.c
There are some feedbacks from irqchip, and we need to adjust
"smp.c & smp.h" to match the csky_mp_timer modification.
- Move IPI_IRQ define into drivers/irqchip/csky_mpintc.c, because it's a
Hi all,
Today's linux-next merge of the akpm-current tree got a conflict in:
include/linux/swap.h
between commit:
0f83d16b8f1f ("mm: split SWP_FILE into SWP_ACTIVATED and SWP_FS")
from the btrfs-kdave tree and commit:
26833300651e ("mm, swap: fix race between swapoff and some swap
This patch adds "user access from kernel" codes.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/uaccess.h | 416
arch/csky/lib/usercopy.c| 262 +
2 files changed, 678 insertions(+)
create mode 100644
This patch adds string optimize codes and some auxiliary code.
Changelog:
- Use bt instead of jbt in asm, jbt will cause relocation problem.
- remove kernel/platform.c
Signed-off-by: Chen Linfei
Signed-off-by: Mao Han
Signed-off-by: Guo Ren
---
arch/csky/abiv1/bswapdi.c| 12 ++
This patch adds string optimize codes and some auxiliary code.
Changelog:
- Use bt instead of jbt in asm, jbt will cause relocation problem.
- remove kernel/platform.c
Signed-off-by: Chen Linfei
Signed-off-by: Mao Han
Signed-off-by: Guo Ren
---
arch/csky/abiv1/bswapdi.c| 12 ++
This patch adds "user access from kernel" codes.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/uaccess.h | 416
arch/csky/lib/usercopy.c| 262 +
2 files changed, 678 insertions(+)
create mode 100644
This patch adds files related to VDSO and our VDSO only support
rt_sigreturn.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/vdso.h | 17 +
arch/csky/abiv2/inc/abi/vdso.h | 23 +++
arch/csky/include/asm/vdso.h | 12 ++
arch/csky/kernel/vdso.c| 86
This patch adds files related to VDSO and our VDSO only support
rt_sigreturn.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/inc/abi/vdso.h | 17 +
arch/csky/abiv2/inc/abi/vdso.h | 23 +++
arch/csky/include/asm/vdso.h | 12 ++
arch/csky/kernel/vdso.c| 86
This patch adds atomic, cmpxchg, spinlock files.
Changlog:
- SMP supported
- ticklock supported
- queue-rwlock supported
Signed-off-by: Guo Ren
---
arch/csky/include/asm/atomic.h | 212 +
arch/csky/include/asm/cmpxchg.h| 73 +
From: Dave Chinner
We've recently seen a workload on XFS filesystems with a repeatable
deadlock between background writeback and a multi-process
application doing concurrent writes and fsyncs to a small range of a
file.
range_cyclic
writeback Process 1 Process 2
This patch adds atomic, cmpxchg, spinlock files.
Changlog:
- SMP supported
- ticklock supported
- queue-rwlock supported
Signed-off-by: Guo Ren
---
arch/csky/include/asm/atomic.h | 212 +
arch/csky/include/asm/cmpxchg.h| 73 +
From: Dave Chinner
We've recently seen a workload on XFS filesystems with a repeatable
deadlock between background writeback and a multi-process
application doing concurrent writes and fsyncs to a small range of a
file.
range_cyclic
writeback Process 1 Process 2
This patch adds exception handling code, cpuinfo and mm-fault code.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/alignment.c | 323
arch/csky/abiv1/inc/abi/entry.h | 160
arch/csky/abiv2/inc/abi/entry.h | 156
This patch adds exception handling code, cpuinfo and mm-fault code.
Signed-off-by: Guo Ren
---
arch/csky/abiv1/alignment.c | 323
arch/csky/abiv1/inc/abi/entry.h | 160
arch/csky/abiv2/inc/abi/entry.h | 156
This patch adds files related to memory management and here is our
memory-layout:
Fixmap : 0xffc02000 – 0xf000 (4 MB - 12KB)
Pkmap: 0xff80 – 0xffc0 (4 MB)
Vmalloc : 0xf020 – 0xff00 (238 MB)
Lowmem : 0x8000 – 0xc000
This patch adds files related to task_switch, sigcontext, signal.
Changelog:
- abiv2/fpu.c: Userspace should never be sent NSIGXXX as a si_code.
Use FPE_FLTUNK instead.
- abiv2/fpu.c: Use force_sig_fault instead.
Signed-off-by: Guo Ren
---
arch/csky/abiv2/fpu.c | 275
This patch adds Makefile, Kconfig for build infrastructure.
Changelog:
- Add compat.h in asm/Kbuild.
- Add select DMA_DIRECT_OPS in Kconfig.
- remove kernel/platform.c in Makefile.
Signed-off-by: Guo Ren
---
arch/csky/Kconfig | 205 +
This patch adds files related to memory management and here is our
memory-layout:
Fixmap : 0xffc02000 – 0xf000 (4 MB - 12KB)
Pkmap: 0xff80 – 0xffc0 (4 MB)
Vmalloc : 0xf020 – 0xff00 (238 MB)
Lowmem : 0x8000 – 0xc000
This patch adds files related to task_switch, sigcontext, signal.
Changelog:
- abiv2/fpu.c: Userspace should never be sent NSIGXXX as a si_code.
Use FPE_FLTUNK instead.
- abiv2/fpu.c: Use force_sig_fault instead.
Signed-off-by: Guo Ren
---
arch/csky/abiv2/fpu.c | 275
This patch adds Makefile, Kconfig for build infrastructure.
Changelog:
- Add compat.h in asm/Kbuild.
- Add select DMA_DIRECT_OPS in Kconfig.
- remove kernel/platform.c in Makefile.
Signed-off-by: Guo Ren
---
arch/csky/Kconfig | 205 +
This is the 7th version patchset to add the Linux kernel port for
C-SKY(csky) based on linux-4.19-rc3.
In this patchset some fixup patches are folded into original patch in
order to make review clearly and reduce the patches' number for upstream
patchset. The changelog is added in the every
This is the 7th version patchset to add the Linux kernel port for
C-SKY(csky) based on linux-4.19-rc3.
In this patchset some fixup patches are folded into original patch in
order to make review clearly and reduce the patches' number for upstream
patchset. The changelog is added in the every
This patch adds files related to syscall.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/syscall.h | 71 +
arch/csky/include/asm/syscalls.h| 15
arch/csky/include/uapi/asm/unistd.h | 10 ++
arch/csky/kernel/syscall.c | 43
This patch adds cache and tlb sync codes for abiv1 & abiv2.
Changelog:
- tlb.h & cacheflush.h:
fix flush_cache_range and tlb_start_vma of abiv1 in
flush_cache_range(vma, ...). cache_wbinv_range() couldn't deal with
vma->mm's asid for cache_flush_line and we use cache_wbinv_all() first.
This patch add boot code. Thx boot params is all in dtb and it's
the only way to let kernel get bootloader param information.
Signed-off-by: Guo Ren
---
arch/csky/kernel/head.S| 77 +
arch/csky/kernel/setup.c | 151 +
This patch add boot code. Thx boot params is all in dtb and it's
the only way to let kernel get bootloader param information.
Signed-off-by: Guo Ren
---
arch/csky/kernel/head.S| 77 +
arch/csky/kernel/setup.c | 151 +
This patch adds files related to syscall.
Signed-off-by: Guo Ren
---
arch/csky/include/asm/syscall.h | 71 +
arch/csky/include/asm/syscalls.h| 15
arch/csky/include/uapi/asm/unistd.h | 10 ++
arch/csky/kernel/syscall.c | 43
This patch adds cache and tlb sync codes for abiv1 & abiv2.
Changelog:
- tlb.h & cacheflush.h:
fix flush_cache_range and tlb_start_vma of abiv1 in
flush_cache_range(vma, ...). cache_wbinv_range() couldn't deal with
vma->mm's asid for cache_flush_line and we use cache_wbinv_all() first.
This patch adds csky defconfig.
Signed-off-by: Guo Ren
---
arch/csky/configs/defconfig | 61 +
1 file changed, 61 insertions(+)
create mode 100644 arch/csky/configs/defconfig
diff --git a/arch/csky/configs/defconfig b/arch/csky/configs/defconfig
new
This patch adds csky defconfig.
Signed-off-by: Guo Ren
---
arch/csky/configs/defconfig | 61 +
1 file changed, 61 insertions(+)
create mode 100644 arch/csky/configs/defconfig
diff --git a/arch/csky/configs/defconfig b/arch/csky/configs/defconfig
new
Hi Herbert,
After merging the crypto tree, today's linux-next build (powerpc
allyesconfig) produced this warning:
drivers/crypto/cavium/nitrox/nitrox_debugfs.c: In function 'stats_show':
drivers/crypto/cavium/nitrox/nitrox_debugfs.c:62:30: warning: format '%lld'
expects argument of type 'long
Hi Herbert,
After merging the crypto tree, today's linux-next build (powerpc
allyesconfig) produced this warning:
drivers/crypto/cavium/nitrox/nitrox_debugfs.c: In function 'stats_show':
drivers/crypto/cavium/nitrox/nitrox_debugfs.c:62:30: warning: format '%lld'
expects argument of type 'long
On Friday 28 September 2018 11:42 AM, Vignesh R wrote:
> Hi Lee,
>
> On Wednesday 25 July 2018 10:56 AM, Lee Jones wrote:
> [...]
Vignesh R (5):
mfd: ti_am335x_tscadc: Don't mark TSCADC MFD as wakeup capable
Input: ti_am335x_tsc: Mark TSC device as wakeup
On Friday 28 September 2018 11:42 AM, Vignesh R wrote:
> Hi Lee,
>
> On Wednesday 25 July 2018 10:56 AM, Lee Jones wrote:
> [...]
Vignesh R (5):
mfd: ti_am335x_tscadc: Don't mark TSCADC MFD as wakeup capable
Input: ti_am335x_tsc: Mark TSC device as wakeup
Raydium touchpanel (2386:4B33) sometimes does not work in desktop session
although it works in display manager.
During user logging, the display manager exits, close the HID device,
then the device gets runtime suspended and powered off. The desktop
session begins shortly after, opens the HID
Raydium touchpanel (2386:4B33) sometimes does not work in desktop session
although it works in display manager.
During user logging, the display manager exits, close the HID device,
then the device gets runtime suspended and powered off. The desktop
session begins shortly after, opens the HID
From: Rohit Thapliyal
During user undefined instruction exception, the arm exception
handler currently results in application crash through SIGILL.
The bad instruction can be due to ddr/hardware issue.
For such cases, exception trap handler could try to recover the corrupted
text by clearing
From: Rohit Thapliyal
During user undefined instruction exception, the arm exception
handler currently results in application crash through SIGILL.
The bad instruction can be due to ddr/hardware issue.
For such cases, exception trap handler could try to recover the corrupted
text by clearing
On Thu, 4 Oct 2018, Leonardo Bras wrote:
> ...
> But, why these chosen Makefiles, and not all of them?
I think that inconsistency is untenable. If nothing else, it means your
changes will get broken by other people who also apply constraints
inconsistently.
I think you need to consider what
On Thu, 4 Oct 2018, Leonardo Bras wrote:
> ...
> But, why these chosen Makefiles, and not all of them?
I think that inconsistency is untenable. If nothing else, it means your
changes will get broken by other people who also apply constraints
inconsistently.
I think you need to consider what
On Thu, Oct 04, 2018 at 05:54:32PM -0700, Dmitry Torokhov wrote:
> Large writes to uinput interface may cause rcu stalls. Let's add
> cond_resched() to the loop to avoid this.
>
> Signed-off-by: Dmitry Torokhov
Reviewed-by: Paul E. McKenney
> ---
> drivers/input/misc/uinput.c | 1 +
> 1 file
On Thu, Oct 04, 2018 at 05:54:32PM -0700, Dmitry Torokhov wrote:
> Large writes to uinput interface may cause rcu stalls. Let's add
> cond_resched() to the loop to avoid this.
>
> Signed-off-by: Dmitry Torokhov
Reviewed-by: Paul E. McKenney
> ---
> drivers/input/misc/uinput.c | 1 +
> 1 file
On Thu, Oct 04, 2018 at 05:53:59PM -0700, Dmitry Torokhov wrote:
> Large writes to evdev interface may cause rcu stalls. Let's add
> cond_resched() to the loop to avoid this.
>
> Signed-off-by: Dmitry Torokhov
Reviewed-by: Paul E. McKenney
> ---
> drivers/input/evdev.c | 1 +
> 1 file
On Thu, Oct 04, 2018 at 05:53:59PM -0700, Dmitry Torokhov wrote:
> Large writes to evdev interface may cause rcu stalls. Let's add
> cond_resched() to the loop to avoid this.
>
> Signed-off-by: Dmitry Torokhov
Reviewed-by: Paul E. McKenney
> ---
> drivers/input/evdev.c | 1 +
> 1 file
On Fri, Oct 05, 2018 at 02:40:02AM +0100, Al Viro wrote:
> On Fri, Oct 05, 2018 at 11:27:37AM +1000, NeilBrown wrote:
> >
> > The synchronize_rcu() in namespace_unlock() is called every time
> > a filesystem is unmounted. If a great many filesystems are mounted,
> > this can cause a noticable
On Fri, Oct 05, 2018 at 02:40:02AM +0100, Al Viro wrote:
> On Fri, Oct 05, 2018 at 11:27:37AM +1000, NeilBrown wrote:
> >
> > The synchronize_rcu() in namespace_unlock() is called every time
> > a filesystem is unmounted. If a great many filesystems are mounted,
> > this can cause a noticable
From: John Hubbard
Introduces put_user_page(), which simply calls put_page().
This provides a way to update all get_user_pages*() callers,
so that they call put_user_page(), instead of put_page().
Also introduces put_user_pages(), and a few dirty/locked variations,
as a replacement for
From: John Hubbard
Introduces put_user_page(), which simply calls put_page().
This provides a way to update all get_user_pages*() callers,
so that they call put_user_page(), instead of put_page().
Also introduces put_user_pages(), and a few dirty/locked variations,
as a replacement for
From: John Hubbard
For code that retains pages via get_user_pages*(),
release those pages via the new put_user_page(),
instead of put_page().
This prepares for eventually fixing the problem described
in [1], and is following a plan listed in [2], [3], [4].
[1] https://lwn.net/Articles/753027/
From: John Hubbard
For code that retains pages via get_user_pages*(),
release those pages via the new put_user_page(),
instead of put_page().
This prepares for eventually fixing the problem described
in [1], and is following a plan listed in [2], [3], [4].
[1] https://lwn.net/Articles/753027/
From: John Hubbard
An upcoming patch requires a way to operate on each page that
any of the get_user_pages_*() variants returns.
In preparation for that, consolidate the error handling for
__get_user_pages(). This provides a single location (the "out:" label)
for operating on the collected set
From: John Hubbard
Changes since v1:
-- Renamed release_user_pages*() to put_user_pages*(), from Jan's feedback.
-- Removed the goldfish.c changes, and instead, only included a single
user (infiniband) of the new functions. That is because goldfish.c no
longer has a name collision (it
From: John Hubbard
An upcoming patch requires a way to operate on each page that
any of the get_user_pages_*() variants returns.
In preparation for that, consolidate the error handling for
__get_user_pages(). This provides a single location (the "out:" label)
for operating on the collected set
From: John Hubbard
Changes since v1:
-- Renamed release_user_pages*() to put_user_pages*(), from Jan's feedback.
-- Removed the goldfish.c changes, and instead, only included a single
user (infiniband) of the new functions. That is because goldfish.c no
longer has a name collision (it
On Fri, Oct 05 2018, Al Viro wrote:
> On Fri, Oct 05, 2018 at 11:27:37AM +1000, NeilBrown wrote:
>>
>> The synchronize_rcu() in namespace_unlock() is called every time
>> a filesystem is unmounted. If a great many filesystems are mounted,
>> this can cause a noticable slow-down in, for example,
On Fri, Oct 05 2018, Al Viro wrote:
> On Fri, Oct 05, 2018 at 11:27:37AM +1000, NeilBrown wrote:
>>
>> The synchronize_rcu() in namespace_unlock() is called every time
>> a filesystem is unmounted. If a great many filesystems are mounted,
>> this can cause a noticable slow-down in, for example,
Hello David,
My name is Leonardo and I am new to kernel development.
Is this patch acceptable? Do it need some rework? The change makes sense?
Is there a way to better follow the workflow for this patch?
Please let me know if it needs anything.
Best regards,
Leonardo Bras
On Wed, Sep 19,
Hello David,
My name is Leonardo and I am new to kernel development.
Is this patch acceptable? Do it need some rework? The change makes sense?
Is there a way to better follow the workflow for this patch?
Please let me know if it needs anything.
Best regards,
Leonardo Bras
On Wed, Sep 19,
> Well it's not really that persuasive. Most people simply let the build
> run to completion, but if you have a problem with a job control 3h
> timelimit, then create a job that kills itself at 2:59 and then
> resubmits itself. That will produce a complete build in 3h chunks
> without any need
> Well it's not really that persuasive. Most people simply let the build
> run to completion, but if you have a problem with a job control 3h
> timelimit, then create a job that kills itself at 2:59 and then
> resubmits itself. That will produce a complete build in 3h chunks
> without any need
This adds the Quad SPI controller to the main sdm845 device tree file.
Boards will be expected to assign the proper pinctrl depending on how
many chip selects they have hooked up and how many data lines.
This depends on commit 48735597f7bd ("clk: qcom: Add qspi (Quad SPI)
clock defines for sdm845
This adds the Quad SPI controller to the main sdm845 device tree file.
Boards will be expected to assign the proper pinctrl depending on how
many chip selects they have hooked up and how many data lines.
This depends on commit 48735597f7bd ("clk: qcom: Add qspi (Quad SPI)
clock defines for sdm845
According to [1] and [2], the temperature values are in tenths of degree
Celsius. Exposing the Celsius value makes the battery appear on fire:
$ upower -i /org/freedesktop/UPower/devices/battery_olpc_battery
...
temperature: 236.9 degrees C
Tested on OLPC XO-1 and OLPC XO-1.75
According to [1] and [2], the temperature values are in tenths of degree
Celsius. Exposing the Celsius value makes the battery appear on fire:
$ upower -i /org/freedesktop/UPower/devices/battery_olpc_battery
...
temperature: 236.9 degrees C
Tested on OLPC XO-1 and OLPC XO-1.75
I am one of the main engineers working on ashmem. I have been fixing
bugs in the driver and have been involved in the memfd conversion
discussions and sending patches about that. I also have an understanding
of the binder driver and was involved with some of the development on
finer grained
I am one of the main engineers working on ashmem. I have been fixing
bugs in the driver and have been involved in the memfd conversion
discussions and sending patches about that. I also have an understanding
of the binder driver and was involved with some of the development on
finer grained
On Wed, Sep 26, 2018 at 6:35 PM Jarkko Sakkinen
wrote:
>
> On Wed, Sep 26, 2018 at 11:24:55AM +0800, Louis Collard wrote:
> > Some systems, for example embedded systems, do not generate
> > enough entropy on boot through interrupts, and boot may be blocked for
> > several minutes waiting for a
On Wed, Sep 26, 2018 at 6:35 PM Jarkko Sakkinen
wrote:
>
> On Wed, Sep 26, 2018 at 11:24:55AM +0800, Louis Collard wrote:
> > Some systems, for example embedded systems, do not generate
> > enough entropy on boot through interrupts, and boot may be blocked for
> > several minutes waiting for a
On Fri, Oct 05, 2018 at 11:27:37AM +1000, NeilBrown wrote:
>
> The synchronize_rcu() in namespace_unlock() is called every time
> a filesystem is unmounted. If a great many filesystems are mounted,
> this can cause a noticable slow-down in, for example, system shutdown.
>
> The sequence:
>
On Fri, Oct 05, 2018 at 11:27:37AM +1000, NeilBrown wrote:
>
> The synchronize_rcu() in namespace_unlock() is called every time
> a filesystem is unmounted. If a great many filesystems are mounted,
> this can cause a noticable slow-down in, for example, system shutdown.
>
> The sequence:
>
a2c3c0a54d4c ("drm/msm/a6xx: Add devfreq support for a6xx")
I have used the drm-msm tree from next-20181004 for today.
--
Cheers,
Stephen Rothwell
pgpTe4jFg2sAC.pgp
Description: OpenPGP digital signature
a2c3c0a54d4c ("drm/msm/a6xx: Add devfreq support for a6xx")
I have used the drm-msm tree from next-20181004 for today.
--
Cheers,
Stephen Rothwell
pgpTe4jFg2sAC.pgp
Description: OpenPGP digital signature
On 10/04/2018 04:44 PM, Stephen Rothwell wrote:
Hi Geert,
On Thu, 4 Oct 2018 16:21:42 +0200 Geert Uytterhoeven
wrote:
On Thu, Oct 4, 2018 at 3:47 PM Guenter Roeck wrote:
Time for a status report.
Build results:
total: 135 pass: 121 fail: 14
Failed builds:
On 10/04/2018 04:44 PM, Stephen Rothwell wrote:
Hi Geert,
On Thu, 4 Oct 2018 16:21:42 +0200 Geert Uytterhoeven
wrote:
On Thu, Oct 4, 2018 at 3:47 PM Guenter Roeck wrote:
Time for a status report.
Build results:
total: 135 pass: 121 fail: 14
Failed builds:
The synchronize_rcu() in namespace_unlock() is called every time
a filesystem is unmounted. If a great many filesystems are mounted,
this can cause a noticable slow-down in, for example, system shutdown.
The sequence:
mkdir -p /tmp/Mtest/{0..5000}
time for i in /tmp/Mtest/*; do mount -t
The synchronize_rcu() in namespace_unlock() is called every time
a filesystem is unmounted. If a great many filesystems are mounted,
this can cause a noticable slow-down in, for example, system shutdown.
The sequence:
mkdir -p /tmp/Mtest/{0..5000}
time for i in /tmp/Mtest/*; do mount -t
Large writes to uinput interface may cause rcu stalls. Let's add
cond_resched() to the loop to avoid this.
Signed-off-by: Dmitry Torokhov
---
drivers/input/misc/uinput.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index
Large writes to uinput interface may cause rcu stalls. Let's add
cond_resched() to the loop to avoid this.
Signed-off-by: Dmitry Torokhov
---
drivers/input/misc/uinput.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index
Large writes to evdev interface may cause rcu stalls. Let's add
cond_resched() to the loop to avoid this.
Signed-off-by: Dmitry Torokhov
---
drivers/input/evdev.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 370206f987f9..f48369d6f3a0
Large writes to evdev interface may cause rcu stalls. Let's add
cond_resched() to the loop to avoid this.
Signed-off-by: Dmitry Torokhov
---
drivers/input/evdev.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 370206f987f9..f48369d6f3a0
On 26-09-18, 11:23, Srinivas Kandagatla wrote:
> This patch adds MP3 playback support in q6asm dais, adding other codec
> support should be pretty trivial.
>
> Signed-off-by: Srinivas Kandagatla
> ---
> sound/soc/qcom/Kconfig | 1 +
> sound/soc/qcom/qdsp6/q6asm-dai.c | 377
On 26-09-18, 11:23, Srinivas Kandagatla wrote:
> This patch adds MP3 playback support in q6asm dais, adding other codec
> support should be pretty trivial.
>
> Signed-off-by: Srinivas Kandagatla
> ---
> sound/soc/qcom/Kconfig | 1 +
> sound/soc/qcom/qdsp6/q6asm-dai.c | 377
On 26-09-18, 11:23, Srinivas Kandagatla wrote:
> This patch adds support to set runtime dma buffer on compressed stream.
The change is fine as is, but I feel we need to document the motivation
in the changelog. The core changes need a bit more explanation on why we
should add this..
>
>
On 26-09-18, 11:23, Srinivas Kandagatla wrote:
> This patch adds support to set runtime dma buffer on compressed stream.
The change is fine as is, but I feel we need to document the motivation
in the changelog. The core changes need a bit more explanation on why we
should add this..
>
>
On 10/4/18 1:02 PM, Luis Chamberlain wrote:
> Every now and then a project is born, and they decide to use Linux's
> kconfig to enable configuration of their project. As it stands we *know*
> kconfig is now used in at least over 12 different projects [0]. I myself
> added kconfig to one as well
On 10/4/18 1:02 PM, Luis Chamberlain wrote:
> Every now and then a project is born, and they decide to use Linux's
> kconfig to enable configuration of their project. As it stands we *know*
> kconfig is now used in at least over 12 different projects [0]. I myself
> added kconfig to one as well
nfs_dns_ent *'
void call_rcu_sched(struct rcu_head *head, rcu_callback_t func);
~^~~~
Caused by commit
fd497f1e40d9 ("NFS: Lockless DNS lookups")
I have used the nfsd tree from next-20181004 for today.
--
Cheers,
Stephen Rothwell
pgpkwXa
nfs_dns_ent *'
void call_rcu_sched(struct rcu_head *head, rcu_callback_t func);
~^~~~
Caused by commit
fd497f1e40d9 ("NFS: Lockless DNS lookups")
I have used the nfsd tree from next-20181004 for today.
--
Cheers,
Stephen Rothwell
pgpkwXa
Hi all,
After merging the nfsd tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:
net/sunrpc/xprtrdma/svc_rdma_backchannel.c: In function
'svc_rdma_handle_bc_reply':
net/sunrpc/xprtrdma/svc_rdma_backchannel.c:67:21: error: 'struct rpc_xprt' has
no member named
Hi all,
After merging the nfsd tree, today's linux-next build (powerpc
ppc64_defconfig) failed like this:
net/sunrpc/xprtrdma/svc_rdma_backchannel.c: In function
'svc_rdma_handle_bc_reply':
net/sunrpc/xprtrdma/svc_rdma_backchannel.c:67:21: error: 'struct rpc_xprt' has
no member named
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