the path is not initialized but the return value is still 0. This
results in 'general protection fault' inside d_path().
Steps to reproduce:
CONFIG_CHECKPOINT_RESTORE=y
fd = open(...);
while (1) {
mmap(fd, ...);
munmap(fd, ...);
}
ls -la /proc/$PID/map_files
Signed-off-by: Artem
Hi all,
I am looking at a use-case when a real-time task (B) of higher priority is
sometimes preempted by another real-time task (A) of lower priority. Well, B is
not really preempted. It calls mlockall() which forces task B to yield the CPU.
Under certain conditions, mlockall() calls
) with _IO.
- Actually these macros are not used anywhere and might be removed.
Signed-off-by: Artem Fetishev wwctr...@gmail.com
---
drivers/staging/ft1000/ft1000-usb/ft1000_debug.c | 40 +++
drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h | 138 --
drivers/staging
Remove typedefs according to the Chapter 5: Typedefs from
Documentation/CodingStyle.
Signed-off-by: Artem Fetishev wwctr...@gmail.com
---
drivers/staging/ft1000/ft1000-usb/ft1000_debug.c | 10 +-
drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h | 18 +-
2 files
Indentation fixes in header files. Actually only in ft1000-usb/ft1000_ioctl.h.
Other headers look good.
Signed-off-by: Artem Fetishev wwctr...@gmail.com
---
drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h | 92 +++---
1 file changed, 46 insertions(+), 46 deletions(-)
diff
Hey Joe,
I've made the changes you requested. Each fix is now made in a separate patch.
This patch set fixes the ft1000 header files only. The inclusion of one .c file
(ft1000_debug.c) is caused by typedef removal.
Patch set includes:
- Indentation fixes;
- Fixes of IOCTL_FT1000_* marcos;
Improve coding style by fixing this checkstyle warning:
WARNING: Prefer [subsystem eg: netdev]_info([subsystem]dev, ... then
dev_info(dev, ... then pr_info(... to printk(KERN_INFO ...
Signed-off-by: Artem Fetishev wwctr...@gmail.com
---
drivers/staging/ft1000/ft1000-usb/ft1000_usb.h |2
...plus some function arg indentation which I haven't noticed at first.
Signed-off-by: Artem Fetishev wwctr...@gmail.com
---
drivers/staging/ft1000/ft1000-pcmcia/ft1000.h| 15 +---
drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h | 40 --
drivers/staging/ft1000
Fixes include:
- Add closing brackets;
- Remove sizeof (_IOR and _IOW macro can accept types);
- Replace _IOW which size of 0 (the last arg) with _IO.
- Actually these macros are not used anywhere and might be removed.
Signed-off-by: Artem Fetishev wwctr...@gmail.com
---
drivers/staging
..plus some function arg indentation which I haven't noticed at first.
Signed-off-by: Artem Fetishev wwctr...@gmail.com
---
drivers/staging/ft1000/ft1000-pcmcia/ft1000.h| 15 +---
drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h | 40 --
drivers/staging/ft1000
Improve coding style by fixing this checkstyle warning:
WARNING: Prefer [subsystem eg: netdev]_info([subsystem]dev, ... then
dev_info(dev, ... then pr_info(... to printk(KERN_INFO ...
Signed-off-by: Artem Fetishev wwctr...@gmail.com
---
drivers/staging/ft1000/ft1000-usb/ft1000_usb.h |2
Fixes indentation in header files.
Signed-off-by: Artem Fetishev wwctr...@gmail.com
---
drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h | 92 +++---
1 file changed, 46 insertions(+), 46 deletions(-)
diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h
b/drivers
Remove typedefs according to the Chapter 5: Typedefs from
Documentation/CodingStyle.
Signed-off-by: Artem Fetishev wwctr...@gmail.com
---
drivers/staging/ft1000/ft1000-usb/ft1000_debug.c | 10 -
drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h | 26 +++---
2 files
Hey Joe,
I've made the changes you requested. Each fix is now made in a separate patch.
This patch set fixes the ft1000 header files only. The inclusion of one .c file
(ft1000_debug.c) is caused by typedef removal.
Patch set includes:
- Indentation fixes;
- Fixes of IOCTL_FT1000_* marcos;
Fixes include:
- Add closing brackets;
- Remove sizeof (_IOR and _IOW macro can accept types);
- Replace _IOW which size of 0 (the last arg) with _IO.
- Actually these macros are not used anywhere and might be removed.
Signed-off-by: Artem Fetishev wwctr...@gmail.com
---
drivers/staging
Use the more common kernel coding style.
Signed-off-by: Artem Fetishev wwctr...@gmail.com
---
drivers/staging/line6/capture.c |4
drivers/staging/line6/midi.c |2 ++
drivers/staging/line6/playback.c |5 +
drivers/staging/line6/pod.c |5 +
drivers/staging
Use the more common kernel coding style.
Version #2 of this patch removes unnecesary blank line added in version #1.
Signed-off-by: Artem Fetishev wwctr...@gmail.com
---
drivers/staging/line6/capture.c |3 +++
drivers/staging/line6/midi.c |2 ++
drivers/staging/line6/playback.c
be retreived for
uniprocessor systems too. Enabling them also fixes rapl_pmu code.
Signed-off-by: Artem Fetishev artem_fetis...@epam.com
---
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index d35f24e..1306d11 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86
Hi Fengguang,
Reproduced with your config and script. Working on locating the cause...
Thanks,
-Artem
-Original Message-
From: Fengguang Wu [mailto:fengguang...@intel.com]
Sent: Wednesday, July 30, 2014 7:08 AM
To: Artem Fetishev
Cc: Jet Chen; Su Tao; Yuanhan Liu; LKP; linux-kernel
the bisect is
correct.
-Original Message-
From: Artem Fetishev
Sent: Thursday, July 31, 2014 9:42 AM
To: 'Fengguang Wu'
Cc: Jet Chen; Su Tao; Yuanhan Liu; LKP; linux-kernel@vger.kernel.org
Subject: RE: [x86] BUG: unable to handle kernel paging request at
88001277
Hi Fengguang
the path is not initialized but the return value is still 0. This
results in 'general protection fault' inside d_path().
Steps to reproduce:
CONFIG_CHECKPOINT_RESTORE=y
fd = open(...);
while (1) {
mmap(fd, ...);
munmap(fd, ...);
}
ls -la /proc/$PID/map_files
Signed-off-by: Artem
Hi all,
I am looking at a use-case when a real-time task (B) of higher priority is
sometimes preempted by another real-time task (A) of lower priority. Well, B is
not really preempted. It calls mlockall() which forces task B to yield the CPU.
Under certain conditions, mlockall() calls
be retreived for
uniprocessor systems too. Enabling them also fixes rapl_pmu code.
Signed-off-by: Artem Fetishev
---
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index d35f24e..1306d11 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
) with _IO.
- Actually these macros are not used anywhere and might be removed.
Signed-off-by: Artem Fetishev
---
drivers/staging/ft1000/ft1000-usb/ft1000_debug.c | 40 +++
drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h | 138 --
drivers/staging/ft1000/ft1000-usb
Remove typedefs according to the "Chapter 5: Typedefs" from
Documentation/CodingStyle.
Signed-off-by: Artem Fetishev
---
drivers/staging/ft1000/ft1000-usb/ft1000_debug.c | 10 +-
drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h | 18 +-
2 files changed, 14
Indentation fixes in header files. Actually only in ft1000-usb/ft1000_ioctl.h.
Other headers look good.
Signed-off-by: Artem Fetishev
---
drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h | 92 +++---
1 file changed, 46 insertions(+), 46 deletions(-)
diff --git a/drivers
Hey Joe,
I've made the changes you requested. Each fix is now made in a separate patch.
This patch set fixes the ft1000 header files only. The inclusion of one .c file
(ft1000_debug.c) is caused by typedef removal.
Patch set includes:
- Indentation fixes;
- Fixes of IOCTL_FT1000_* marcos;
Improve coding style by fixing this checkstyle warning:
WARNING: Prefer [subsystem eg: netdev]_info([subsystem]dev, ... then
dev_info(dev, ... then pr_info(... to printk(KERN_INFO ...
Signed-off-by: Artem Fetishev
---
drivers/staging/ft1000/ft1000-usb/ft1000_usb.h |2 +-
1 file changed
...plus some function arg indentation which I haven't noticed at first.
Signed-off-by: Artem Fetishev
---
drivers/staging/ft1000/ft1000-pcmcia/ft1000.h| 15 +---
drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h | 40 --
drivers/staging/ft1000/ft1000-usb
Fixes include:
- Add closing brackets;
- Remove sizeof (_IOR and _IOW macro can accept types);
- Replace _IOW which size of 0 (the last arg) with _IO.
- Actually these macros are not used anywhere and might be removed.
Signed-off-by: Artem Fetishev
---
drivers/staging/ft1000/ft1000-usb
..plus some function arg indentation which I haven't noticed at first.
Signed-off-by: Artem Fetishev
---
drivers/staging/ft1000/ft1000-pcmcia/ft1000.h| 15 +---
drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h | 40 --
drivers/staging/ft1000/ft1000-usb
Improve coding style by fixing this checkstyle warning:
WARNING: Prefer [subsystem eg: netdev]_info([subsystem]dev, ... then
dev_info(dev, ... then pr_info(... to printk(KERN_INFO ...
Signed-off-by: Artem Fetishev
---
drivers/staging/ft1000/ft1000-usb/ft1000_usb.h |2 +-
1 file changed
Fixes indentation in header files.
Signed-off-by: Artem Fetishev
---
drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h | 92 +++---
1 file changed, 46 insertions(+), 46 deletions(-)
diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h
b/drivers/staging/ft1000/ft1000
Remove typedefs according to the "Chapter 5: Typedefs" from
Documentation/CodingStyle.
Signed-off-by: Artem Fetishev
---
drivers/staging/ft1000/ft1000-usb/ft1000_debug.c | 10 -
drivers/staging/ft1000/ft1000-usb/ft1000_ioctl.h | 26 +++---
2 files c
Hey Joe,
I've made the changes you requested. Each fix is now made in a separate patch.
This patch set fixes the ft1000 header files only. The inclusion of one .c file
(ft1000_debug.c) is caused by typedef removal.
Patch set includes:
- Indentation fixes;
- Fixes of IOCTL_FT1000_* marcos;
Fixes include:
- Add closing brackets;
- Remove sizeof (_IOR and _IOW macro can accept types);
- Replace _IOW which size of 0 (the last arg) with _IO.
- Actually these macros are not used anywhere and might be removed.
Signed-off-by: Artem Fetishev
---
drivers/staging/ft1000/ft1000-usb
Use the more common kernel coding style.
Signed-off-by: Artem Fetishev
---
drivers/staging/line6/capture.c |4
drivers/staging/line6/midi.c |2 ++
drivers/staging/line6/playback.c |5 +
drivers/staging/line6/pod.c |5 +
drivers/staging/line6/toneport.c
Use the more common kernel coding style.
Version #2 of this patch removes unnecesary blank line added in version #1.
Signed-off-by: Artem Fetishev
---
drivers/staging/line6/capture.c |3 +++
drivers/staging/line6/midi.c |2 ++
drivers/staging/line6/playback.c |5 +
drivers
Hi Fengguang,
Reproduced with your config and script. Working on locating the cause...
Thanks,
-Artem
-Original Message-
From: Fengguang Wu [mailto:fengguang...@intel.com]
Sent: Wednesday, July 30, 2014 7:08 AM
To: Artem Fetishev
Cc: Jet Chen; Su Tao; Yuanhan Liu; LKP; linux-kernel
the bisect is
correct.
-Original Message-
From: Artem Fetishev
Sent: Thursday, July 31, 2014 9:42 AM
To: 'Fengguang Wu'
Cc: Jet Chen; Su Tao; Yuanhan Liu; LKP; linux-kernel@vger.kernel.org
Subject: RE: [x86] BUG: unable to handle kernel paging request at
88001277
Hi Fengguang
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