Hello i have a problem with my ASUS p5b mobo, i am a gentoo user and i'm
getting this error while booting my system from newest gentoo-sources
2.6.22 (this also happens on earlier ver. of kernel) i get this message:
"PCI: BIOS Bug: MCFG area at f000 is not E820-reserved
PCI: Not using MMCONFIG
s.
I'm pretty confident that it is hardware revision related as we have 4313ePA
and iPA boards running
successfully in our test setup.
Could you aid us in effort of finding the problem by supplying the contents of
this debugfs file:
/brcmsmac/bcma0:0/hardware
Piotr
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On 04/01/13 17:18, Joseph Salisbury wrote:
> On 04/01/2013 10:42 AM, John W. Linville wrote:
>> On Fri, Mar 29, 2013 at 03:52:39PM -0400, Joseph Salisbury wrote:
>>> Hi Piotr,
>>>
>>> A bug was opened against the Ubuntu kernel[0]. After a kernel
>>
Hi,
not sure if this is a bug or just my misuse of ftrace.
I get this warring after unloading a module that i traced before (used
function tracer and 'brcmsmac*' as filter in set_ftrace_filter).
After that reading available_filter_functions gives "No such device".
Regards
Piot
On 12/06/12 19:10, Steven Rostedt wrote:
> On Thu, 2012-12-06 at 15:56 +0100, Piotr Haber wrote:
>> Hi,
>> not sure if this is a bug or just my misuse of ftrace.
>> I get this warring after unloading a module that i traced before (used
>> function tracer a
I repeat my question:
the driver for lsm303dlh in the 3.5 kernel calls regulator_get(&client->dev,
"vdd");
from that it got the return-value fdfb triggering IS_ERR().
but I cannot find any errorcode for -0x205.
does anyone know the meaning of this error-code?
P
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I have a gpl driver for lsm202dlh which worked with 2.6 kernels. now in 3.5
I can modprobe it (after some include-changes), but after the echo command
to new_device dmesg tells me
[ 1147.549042] lsm303dlh_a 6-0019: failed to get regulator
[ 1147.549055] lsm303dlh_a 6-0019: probe function fails fff
r it started showing
up only now?
This system is very new. We have started testing scenario which
triggered OOM something like one week ago and we have immediately hit
this issue. Previously, with different scenarios and different memory
usage by processes we didn't have this issue.
Piotr
W dniu 07.06.2013 17:36, Michal Hocko pisze:
On Fri 07-06-13 17:13:55, Piotr Nowojski wrote:
W dniu 06.06.2013 17:57, Michal Hocko pisze:
In our system we have hit some very annoying situation (bug?) with
cgroups. I'm writing to you, because I have found your posts on
mailing lists
On 03/25/13 19:58, John W. Linville wrote:
> On Mon, Mar 18, 2013 at 02:58:08PM +0100, David Herrmann wrote:
>> Hi Piotr
>>
>> On Mon, Mar 18, 2013 at 2:49 PM, Piotr Haber wrote:
>>> On 03/18/13 11:45, David Herrmann wrote:
>>>> This reverts commit b6
e value
of zram.compressor module parameter to a proper name (e.g. lz4).
Signed-off-by: Piotr Sarna
Acked-by: Bartlomiej Zolnierkiewicz
Signed-off-by: Kyungmin Park
---
drivers/staging/zram/Kconfig|5 +-
drivers/staging/zram/zram_drv.c | 106 ---
drivers/st
per thread took 0.60s with per-cpu
code included and approximately 0.80s without per-cpu support.
Signed-off-by: Piotr Sarna
Acked-by: Bartlomiej Zolnierkiewicz
Signed-off-by: Kyungmin Park
---
drivers/staging/zram/zram_drv.c | 146 +--
drivers/staging/zram
Hi,
On 07/30/2013 03:53 PM, Greg KH wrote:
> On Tue, Jul 30, 2013 at 02:30:48PM +0200, Piotr Sarna wrote:
>> Current version of zram does not allow any substitution of a default
>> compression algorithm. Therefore, I decided to change the existing
>> implementation of page
On 07/31/2013 02:49 PM, Greg KH wrote:
> On Wed, Jul 31, 2013 at 12:16:36PM +0200, Piotr Sarna wrote:
>> Hi,
>>
>> On 07/30/2013 03:53 PM, Greg KH wrote:
>>> On Tue, Jul 30, 2013 at 02:30:48PM +0200, Piotr Sarna wrote:
>>>> Current version of zram do
this problem is in setting EXPLICIT_DELALLOC flag
properly. This patch ensures that EXPLICIT_DELALLOC flag is set only
if "delalloc" parameter was used, and not set in case of "nodelalloc".
Signed-off-by: Piotr Sarna
Acked-by: Bartlomiej Zolnierkiewicz
Signed-off-by: Kyungmin Par
ptions() call to ensure
that data=journal and delalloc/dioread_nolock parameters are not present
at the same time.
Signed-off-by: Piotr Sarna
Acked-by: Bartlomiej Zolnierkiewicz
Signed-off-by: Kyungmin Park
---
fs/ext4/super.c | 17 -
1 file changed, 16 insertions(+), 1 deleti
e function hangs on
uninitialized read-write lock.
To prevent that behaviour, pool_id should be checked for being positive
before assigning zpool variable with pools[pool_id].
Signed-off-by: Piotr Sarna
Acked-by: Bartlomiej Zolnierkiewicz
Signed-off-by: Kyungmin Park
---
mm/zcache.c |6
() ended properly.
A solution to this problem is as following:
1. Move the "goto out" directive inside the "if (!ret)" statement
2. In case that crypto_has_comp() returned 0, change the value of ret
to non-zero before "goto out" to indicate an error.
Signed-off-
() ended properly.
A solution to this problem is as following:
1. Move the "goto out" directive inside the "if (!ret)" statement
2. In case that crypto_has_comp() returned 0, change the value of ret
to non-zero before "goto out" to indicate an error.
Signed-off-
On Fr, 20.07.2012, 16:06, Yuchung Cheng wrote:
> On Mon, Jul 16, 2012 at 6:03 AM, Piotr Sawuk
> wrote:
>> On Mo, 16.07.2012, 13:46, Eric Dumazet wrote:
>>> On Mon, 2012-07-16 at 13:33 +0200, Piotr Sawuk wrote:
>>>> On Sa, 14.07.2012, 01:55, Stephen Hemminger wrot
hello! I haven't done any kernel-hacking before, so be patient.
I got as far as to make tcphealth run, but now I need some help:
how does read-locking work in the tcp_sock struct?
the original code (for 2.5.1) made a read_lock(&head->lock) with
struct tcp_ehash_bucket *head = &tcp_ehash[i];
at the
On Do, 12.07.2012, 23:35, Stephen Hemminger wrote:
> On Thu, 12 Jul 2012 22:55:57 +0200
> "Piotr Sawuk" wrote:
>
>> + * Federico D. Sacerdoti: Added TCP health monitoring.
>
> Please don't do this.
> The kernel community no longer maintains a list
Hi!
Is there a reason why "PCI access mode" config option isn't available for
x86_64? Due to this, PCIE config options aren't available either.
Piotr Kaczuba
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On Mon, Feb 14, 2005 at 10:18:43AM +0100, Andi Kleen wrote:
> Piotr Kaczuba <[EMAIL PROTECTED]> writes:
> > Is there a reason why "PCI access mode" config option isn't available for
> > x86_64? Due to this, PCIE config options aren't available either.
>
On Mon, Feb 14, 2005 at 01:02:05PM +0100, Andi Kleen wrote:
> On Mon, Feb 14, 2005 at 10:47:01AM +0100, Piotr Kaczuba wrote:
> > On Mon, Feb 14, 2005 at 10:18:43AM +0100, Andi Kleen wrote:
> > > Piotr Kaczuba <[EMAIL PROTECTED]> writes:
> > > > Is there a reason
on my
Debian 3.1 (unstable) and 2.6.10 kernel
greetings
Piotr (djv) Rzezniczak
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Please read the FAQ at http://www.tux.org/lkml/
not
a bug), tell me what to do - I don't want to reboot this router every
week and CC: me (I'm not subscribed to the list).
I'm also wondering if tuning of rhash_entries= boot parameter could help?
Thank you,
Piotr Kowalczyk
ps.
Output of rtstat, in case it would help:
[EMAIL PROTEC
and
2.2.4-now-ss001007. The error is the same..Why is it so? Do I do sth bad?
Or maybe there is a bug in the kernel..
--
*"Being alive, you matter much more."*
| Piotr Wysocki ([EMAIL PROTECTED]) [wysek/elk] |
| telephone +48605 15 | http://wysek.braxis.co.uk |
|
needed. No sanity checks performed.
It is miserable, perhaps useful...
http://sourceforge.net/projects/kprobmod/
Regards,
Piotr Muszynski
/*
* kprobemod.c -- Control Kprobes by /proc
* Copyright (C) 2005 Piotr Muszynski, Tohoku Ricoh Inc.
*
* This program is free software; you can redistribute
fs/,
>specifically configfs.txt and configfs_example.c. I'm going to be
>submitting this for mainline inclusion soon.
Joel, thank you very much - this looks like a Good Idea. I am going
to try configfs as soon as my schedule permits.
(Will be grateful for any directions, as I'm
nd line prompt and user can
> backtrace/ dump some global memory, dump registers etc.
>
> Let me know if you need more information.
Yes please, I would be grateful.
TIA
Piotr
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o far, the (2) works well, but how bad is it?
I'd greatly appreciate any critical feedback.
TIA,
Piotr Muszynski
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On Mon, Sep 19, 2016 at 01:52:05PM +0200, Michal Hocko wrote:
> On Sun 18-09-16 13:29:43, Piotr Kwapulinski wrote:
> > The MPOL_F_STATIC_NODES and MPOL_F_RELATIVE_NODES flags are irrelevant
> > when setting them for MPOL_LOCAL NUMA memory policy via set_mempolicy.
> > Return
On Mon, Sep 19, 2016 at 05:57:17PM -0700, David Rientjes wrote:
> On Sun, 18 Sep 2016, Piotr Kwapulinski wrote:
>
> > The MPOL_F_STATIC_NODES and MPOL_F_RELATIVE_NODES flags are irrelevant
> > when setting them for MPOL_LOCAL NUMA memory policy via set_mempolicy.
> > Retu
Also I noticed that MPOL_NUMA
> itself is missing in the man page...
>
> On 09/18/2016 01:29 PM, Piotr Kwapulinski wrote:
> > The MPOL_F_STATIC_NODES and MPOL_F_RELATIVE_NODES flags are irrelevant
> > when setting them for MPOL_LOCAL NUMA memory policy via set_mempolicy.
&
The MPOL_LOCAL mode has been implemented by
Peter Zijlstra
(commit: 479e2802d09f1e18a97262c4c6f8f17ae5884bd8).
Add the documentation for this mode.
Signed-off-by: Piotr Kwapulinski
---
man2/mbind.2 | 16
man2/set_mempolicy.2 | 11 ++-
2 files changed, 22
The MPOL_LOCAL mode has been implemented by
Peter Zijlstra
(commit: 479e2802d09f1e18a97262c4c6f8f17ae5884bd8).
Add the documentation for this mode.
Signed-off-by: Piotr Kwapulinski
---
Documentation/vm/numa_memory_policy.txt | 8
mm/mempolicy.c | 4
2
ated tests done.
Signed-off-by: Piotr Kwapulinski
---
Changes since V1:
Adds "mbind" to changelog.
Updates numa_memory_policy.txt.
Based on more recent kernel version.
The following patch updates man-pages:
[PATCH 1/1] man/set_mempolicy.2,mbind.2: forbid static or relative
flags for
Add documentation for the following patch:
[PATCH v2 0/1] mm/mempolicy.c: forbid static or relative flags
for local NUMA mode
Signed-off-by: Piotr Kwapulinski
---
man2/mbind.2 | 35 +++
man2/set_mempolicy.2 | 35 +++
2
this feature broken and it has passed
* pci_test_intx_masking() test.
*/
return !pdev->broken_intx_masking;
}
so current users of pci_intx_mask_supported: uio and vfio, keep
their code unchanged.
Signed-off-by: Piotr Gregor
---
drivers/pci/pci.
Hi Mark,
Thank you very much for quick answer.
On Tue, 19 Jun 2018, Mark Brown wrote:
On Mon, Jun 18, 2018 at 06:21:23PM +0200, Piotr Bugalski wrote:
+static int atmel_qspi_adjust_op_size(struct spi_mem *mem, struct spi_mem_op
*op)
+{
+ return 0;
+}
If this can be empty should we
Hi Boris,
Thank you very much for quick response.
On Wed, 20 Jun 2018, Boris Brezillon wrote:
Hi Piotr,
On Mon, 18 Jun 2018 18:21:22 +0200
Piotr Bugalski wrote:
Hello,
Atmel SAMA5D2 is equipped with two QSPI interfaces. These interfaces can
work as in SPI-compatible mode or use two
Hi Boris,
On Wed, 20 Jun 2018, Boris Brezillon wrote:
Hi Piotr,
On Mon, 18 Jun 2018 18:21:24 +0200
Piotr Bugalski wrote:
Documentation for DT-binding change.
Suggested-by: Boris Brezillon
I'm pretty sure I didn't make a single suggestion about the DT
bindings you use here
Hi Boris,
I'm a bit allergic to personal preferences in coding style, anyway
thank you for comments and some important findings.
On Thu, 21 Jun 2018, Boris Brezillon wrote:
Hi Piotr,
On Mon, 18 Jun 2018 18:21:23 +0200
Piotr Bugalski wrote:
Kernel contains QSPI driver strongly ti
) output of `acpidump -o tables.dat` ?
Please find acpidump [1]. FYI I'm PC Engines firmware maintainer
(firmware is coreboot based), so I can fix required things. I'm pretty
sure that ACPI tables are not in best shape.
[1] https://pastebin.com/2neC1Sri
Best Regards,
--
Piotr Król
Em
Hi Tudor,
Thank you very much for comments.
On Tue, 26 Jun 2018, Tudor Ambarus wrote:
Hi, Piotr,
General things to consider for the limitation in performance:
- is the serial flash memory operating in Quad SPI?
Yes, I've checked signal using logic analyzer, data is transferred usin
. Any help with performance
improvement is highly welcome, especially for NAND-flash memories which
offers higher capacity than NOR-flash used with previous driver.
Best Regards,
Piotr
v2 changes:
- driver is now replacement of existing atmel-quadspi
- code was re-written to follow original
Code used for previous interface is no longer needed.
This change just removes obsolete code.
Suggested-by: Boris Brezillon
Signed-off-by: Piotr Bugalski
---
drivers/mtd/spi-nor/atmel-quadspi.c | 389
1 file changed, 389 deletions(-)
diff --git a/drivers
using spi-mem interface.
Suggested-by: Boris Brezillon
Signed-off-by: Piotr Bugalski
---
drivers/mtd/spi-nor/Kconfig | 9 -
drivers/mtd/spi-nor/Makefile | 1 -
drivers/spi/Kconfig | 9 +
drivers/spi/Makefile
Atmel SAMA5D2 QuadSPI driver was moved from mtd to spi subsystem,
this change is just moving DT-binding documentation.
Suggested-by: Boris Brezillon
Signed-off-by: Piotr Bugalski
---
Documentation/devicetree/bindings/{mtd => spi}/atmel-quadspi.txt | 0
1 file changed, 0 insertions(+)
This patch adds new interface to existing driver. New code is not used yet,
it will be enabled later.
Changes are prepared in small steps to keep patches readable.
Suggested-by: Boris Brezillon
Signed-off-by: Piotr Bugalski
---
drivers/mtd/spi-nor/atmel-quadspi.c | 205
Previously added spi-mem interface is now used instead of older approach.
Suggested-by: Boris Brezillon
Signed-off-by: Piotr Bugalski
---
drivers/mtd/spi-nor/atmel-quadspi.c | 91 -
1 file changed, 18 insertions(+), 73 deletions(-)
diff --git a/drivers/mtd
Just minor typo fix. Fixed in preparation of new driver.
Signed-off: Piotr Bugalski
---
drivers/mtd/spi-nor/atmel-quadspi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/spi-nor/atmel-quadspi.c
b/drivers/mtd/spi-nor/atmel-quadspi.c
index 6c5708bacad8
Hi Tudor,
On Thu, 28 Jun 2018, Tudor Ambarus wrote:
Hi, Piotr,
On 06/27/2018 10:52 AM, Piotr Bugalski wrote:
General things to consider for the limitation in performance:
- is the serial flash memory operating in Quad SPI?
Yes, I've checked signal using logic analyzer, da
. Any help with performance
improvement is highly welcome, especially for NAND-flash memories which
offers higher capacity than NOR-flash used with previous driver.
Best Regards,
Piotr
Piotr Bugalski (2):
spi: Add QuadSPI driver for Atmel SAMA5D2
dt-bindings: spi: QuadSPI driver for Atmel SA
using spi-mem interface.
Suggested-by: Boris Brezillon
Signed-off-by: Piotr Bugalski
---
drivers/spi/Kconfig | 9 +
drivers/spi/Makefile | 1 +
drivers/spi/spi-atmel-qspi.c | 480 +++
3 files changed, 490 insertions(+)
create mode
Documentation for DT-binding change.
Suggested-by: Boris Brezillon
Signed-off-by: Piotr Bugalski
---
.../devicetree/bindings/spi/spi_atmel-qspi.txt | 41 ++
1 file changed, 41 insertions(+)
create mode 100644 Documentation/devicetree/bindings/spi/spi_atmel-qspi.txt
Hi Alexandre,
Thank you for you comment.
On Tue, 3 Jul 2018, Alexandre Belloni wrote:
Hi,
On 27/06/2018 15:16:04+0200, Piotr Bugalski wrote:
Just minor typo fix. Fixed in preparation of new driver.
Signed-off: Piotr Bugalski
This SoB line must match the author. It doesn't matter
avoid these problems? I assume it will be transparent
from the point of view of file attributes, and not enforce any kind of
security filtering?
Piotr Jurkiewicz
1. Upper filesystem must support the creation of trusted.* extended
attributes.
9pfs has support for getting/setting xattrs
Just minor typo fix. Fixed in preparation of new driver.
Signed-off: Piotr Bugalski
---
drivers/mtd/spi-nor/atmel-quadspi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/spi-nor/atmel-quadspi.c
b/drivers/mtd/spi-nor/atmel-quadspi.c
index 820048726b4f
Previously added spi-mem interface is now used instead of older approach.
Suggested-by: Boris Brezillon
Signed-off-by: Piotr Bugalski
---
drivers/mtd/spi-nor/atmel-quadspi.c | 91 -
1 file changed, 18 insertions(+), 73 deletions(-)
diff --git a/drivers/mtd
This patch adds new interface to existing driver. New code is not used yet,
it will be enabled later.
Changes are prepared in small steps to keep patches readable.
Suggested-by: Boris Brezillon
Signed-off-by: Piotr Bugalski
---
drivers/mtd/spi-nor/atmel-quadspi.c | 211
. Any help with performance
improvement is highly welcome, especially for NAND-flash memories which
offers higher capacity than NOR-flash used with previous driver.
Best Regards,
Piotr
v3 changes:
- add get_name implementation
- email address fix
v2 changes:
- driver is now replacement of exi
Atmel SAMA5D2 QuadSPI driver was moved from mtd to spi subsystem,
this change is just moving DT-binding documentation.
Suggested-by: Boris Brezillon
Signed-off-by: Piotr Bugalski
---
Documentation/devicetree/bindings/{mtd => spi}/atmel-quadspi.txt | 0
1 file changed, 0 insertions(+)
Code used for previous interface is no longer needed.
This change just removes obsolete code.
Suggested-by: Boris Brezillon
Signed-off-by: Piotr Bugalski
---
drivers/mtd/spi-nor/atmel-quadspi.c | 388
1 file changed, 388 deletions(-)
diff --git a/drivers
using spi-mem interface.
Suggested-by: Boris Brezillon
Signed-off-by: Piotr Bugalski
---
drivers/mtd/spi-nor/Kconfig | 9 -
drivers/mtd/spi-nor/Makefile | 1 -
drivers/spi/Kconfig | 9 +
drivers/spi/Makefile
kmod 28 supports modules compressed in zstd format so let's add this
possibility to kernel.
V1 -> V2
* Rebuild against linux-kbuild tree
Signed-off-by: Piotr Gorski
---
init/Kconfig | 8 +++-
scripts/Makefile.modinst | 6 ++
2 files changed, 13 insertions(+), 1
kmod 28 supports modules compressed in zstd format so let's add this
possibility to kernel.
V2 -> V3
* Fix a typo
V1 -> V2
* Rebuild against linux-kbuild tree
Signed-off-by: Piotr Gorski
---
init/Kconfig | 8 +++-
scripts/Makefile.modinst | 6 ++
2 files
No, the --rm option is essential. xz and gzip have the --rm option built in as
opposed to zstd, which is why I used it. I've been using zstd module
compression since last december (although I set a different compression level
on mine) and everything works fine. Oleksandr also tested it at his pl
This is a patch to the dmm32at.c file that fixes up a code indent error found
by the checkpatch.pl tool.
Signed-off-by: Piotr Kubus
---
drivers/staging/comedi/drivers/dmm32at.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/comedi/drivers/dmm32at.c
b
On Sun, Jan 04, 2015 at 11:31:29PM +0100, Konrad Zapalowicz wrote:
> On 01/04, Piotr Kubus wrote:
> > This is a patch to the dmm32at.c file that fixes up a code indent error
> > found by the checkpatch.pl tool.
>
> Nice however improve your commit message. The rule is th
Fixed a code indent error found by checkpatch.pl in dmm32at.c.
Signed-off-by: Piotr Kubus
---
v2: make the commit message clearer and shorter
drivers/staging/comedi/drivers/dmm32at.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/comedi/drivers/dmm32at.c
b
/usr/sbin/sshd") = 0
sbin # for i in `pidof sshd`; do ls -l /proc/$i/exe; done
lrwxrwxrwx 1 root root 0 Dec 27 18:09 /proc/29047/exe -> /root/sshd
(deleted)
I am unable to find kernel version where it worked as one could presume
thus I cannot offer to bisect commits to find the bad o
my very usecase, the exe symlink is essential.
-- Piotr.
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Please read the FAQ at http://www.tux.org/lkml/
Fixed a space coding style issue found by checkpatch.pl in rxtx.c.
Signed-off-by: Piotr Kubus
---
drivers/staging/vt6655/rxtx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/vt6655/rxtx.c b/drivers/staging/vt6655/rxtx.c
index 61c39dd..8047838 100644
--- a
On 12/30/2014 11:40 PM, Piotr Karbowski wrote:
Hi Al,
On 12/27/2014 07:14 PM, Al Viro wrote:
That's because it never _had_ worked. Note that opening the damn thing
will give the right file - it does not work by traversing the result of
readlink(2). readlink(2) output on those is not pro
Signed-off-by: Piotr Witoslawski
---
drivers/staging/rtl8723au/hal/rtl8723au_xmit.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/rtl8723au/hal/rtl8723au_xmit.c
b/drivers/staging/rtl8723au/hal/rtl8723au_xmit.c
index 1759487..256958e 100644
--- a/drivers
This patch fixes the sparse warning: "cast to restricted __le16" reported
for rtl8723au/hal/rtl8723au_xmit.c
Signed-off-by: Piotr Witoslawski
---
v2: Changing pointer type instead of casting, as suggested by Jes Sorensen
drivers/staging/rtl8723au/hal/rtl8723au_xmit.c | 2 +-
1 fi
rather
disturbing is that by 'modinfo iwlwifi' it does say that power_save is
default off, but it is not. I am sure that nothing else enables
power_save on my system because I don't even have udev, and for the
test I've also disabled wicd, then simple `modprobe iwlwifi` an
On Sa, 14.07.2012, 03:31, valdis.kletni...@vt.edu wrote:
> On Fri, 13 Jul 2012 16:55:44 -0700, Stephen Hemminger said:
>
>> >+ /* Course retransmit inefficiency- this packet has been
>> >received
>> twice. */
>> >+ tp->dup_pkts_recv++;
>> I don't understand that
On Sa, 14.07.2012, 23:48, Stephen Hemminger wrote:
> Maybe it would be better to use netlink info (for ss command)
> rather than a /proc/net interface.
> See how existing TCP values and MEMINFO are handled.
>
I'm confused, what exactly do you mean?
of course a library-interface might be more inter
On So, 15.07.2012, 09:16, Eric Dumazet wrote:
> On Sun, 2012-07-15 at 01:43 +0200, Piotr Sawuk wrote:
>
>> oh, and again I recommend the really short although outdated thesis
>>
>> [1] https://sacerdoti.org/tcphealth/tcphealth-paper.pdf
>
> A thesis saying SACK ar
On So, 15.07.2012, 11:53, Eric Dumazet wrote:
> On Sun, 2012-07-15 at 11:17 +0200, Piotr Sawuk wrote:
>> On So, 15.07.2012, 09:16, Eric Dumazet wrote:
>> > On Sun, 2012-07-15 at 01:43 +0200, Piotr Sawuk wrote:
>> >
>> >> oh, and again I recommend th
On Sa, 14.07.2012, 01:55, Stephen Hemminger wrote:
> I am not sure if the is really necessary since the most
> of the stats are available elsewhere.
if by "most" you mean address and port then you're right.
but even the rtt reported by "ss -i" seems to differ from tcphealth.
however, if instead b
On Mo, 16.07.2012, 13:46, Eric Dumazet wrote:
> On Mon, 2012-07-16 at 13:33 +0200, Piotr Sawuk wrote:
>> On Sa, 14.07.2012, 01:55, Stephen Hemminger wrote:
>> > I am not sure if the is really necessary since the most
>> > of the stats are available elsewhere.
>>
On Mo, 16.07.2012, 15:32, Ben Hutchings wrote:
> On Sat, 2012-07-14 at 09:56 +0200, Piotr Sawuk wrote:
>> On Sa, 14.07.2012, 03:31, valdis.kletni...@vt.edu wrote:
>> > On Fri, 13 Jul 2012 16:55:44 -0700, Stephen Hemminger said:
>> >
>> >> >+
On Mo, 16.07.2012, 17:24, Christoph Paasch wrote:
> You should do jiffies_to_msecs(tp->srtt) >> 3.
>
> The RTT is already exposed by tcp_info anyway... (see tcp_get_info() - where
> you also see the bitshift)
thanks a lot. rtt is output for completion's sake, it helps in diagnosis.
here my hopefu
The simple check for zero length memory mapping may be performed
earlier. It causes that in case of zero length memory mapping some
unnecessary code is not executed at all. It does not make the code less
readable and saves some CPU cycles.
Signed-off-by: Piotr Kwapulinski
---
mm/mmap.c | 6
rom DTS to the driver data is clear for me. I do
not know how to handle a board delay. Could you give me an example how it may
be implemented? Where this board related stuff could be placed?
--
--
Regards
Piotr Sroka
s and the signature
value with the new procfs file "/proc//rseq".
Signed-off-by: Piotr Figiel
---
v4:
- added documentation and extended comment before task_lock()
v3:
- added locking so that the proc file always shows consistent pair of
RSEQ ABI address and the signature
-
es in progress.
Signed-off-by: Piotr Figiel
Reviewed-by: Michal Miroslaw
---
v2:
Applied review comments:
- changed return value from the ptrace request to the size of the
configuration structure
- expanded configuration structure with the flags field and
the rseq abi structure siz
e trade off.
Best regards and thanks for looking at this,
Piotr.
state and allows expansion in case the
ABI structure would have to be extended (in spite of it's current
definition).
The configuration structure still can be expanded as its size is
reported to userspace as return value from the request (in line with
Dmitry's comments).
Best regards, Piotr.
doesn't cause RSEQ abort.
Restoring the instruction pointer within the critical section is
problematic because rseq_cs may get cleared before the control is
passed to the migrated application code leading to RSEQ invariants not
being preserved.
Signed-off-by: Piotr Figiel
---
fs/proc/base.c
Hi, thanks for review.
On Fri, Jan 15, 2021 at 10:44:20AM -0500, Mathieu Desnoyers wrote:
> - On Jan 14, 2021, at 1:54 PM, Piotr Figiel fig...@google.com wrote:
> Added PeterZ, Paul and Boqun to CC. They are also listed as maintainers of
> rseq.
> Please CC them in your next roun
doesn't cause RSEQ abort.
Restoring the instruction pointer within the critical section is
problematic because rseq_cs may get cleared before the control is
passed to the migrated application code leading to RSEQ invariants not
being preserved.
Signed-off-by: Piotr Figiel
---
v2:
- fixed s
On Thu, Jan 14, 2021 at 12:32:30AM +0300, Alexey Dobriyan wrote:
> On Wed, Jan 13, 2021 at 06:41:27PM +0100, Piotr Figiel wrote:
> > For userspace checkpoint and restore (C/R) some way of getting process
> > state containing RSEQ configuration is needed.
> > + seq_pri
kmod 28 supports modules compressed in zstd format so let's add this
possibility to kernel.
Signed-off-by: Piotr Gorski
---
Makefile | 7 +--
init/Kconfig | 9 ++---
2 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/Makefile b/Makefile
index 5160ff8903c1..82f4f4c
I originally posted the patch in a different form [1] even before Masahiro's
changes.
I've been testing this solution since December last year and posted it in March
this year,
after I made sure everything was working fine. This patch was tested by
Oleksandr and he also didn't report any objec
es in progress.
Signed-off-by: Piotr Figiel
Reviewed-by: Michal Miroslaw
---
include/uapi/linux/ptrace.h | 8
kernel/ptrace.c | 23 +++
2 files changed, 31 insertions(+)
diff --git a/include/uapi/linux/ptrace.h b/include/uapi/linux/ptrace.h
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