it patch, it's
395e5df79a95 ("scsi: aacraid: Remove reference to Series-9")
it changes arc ctrl checks for Series-6 controllers
and i've checked that resurrection of original logic in arc ctrl checks
eliminates controller hangs/resets.
Konstantin Khorenko (1):
scsi: aacraid: resurrect
ies-9")
The patch above not only drops Series-9 cards checks but also
changes logic for Series-6 controllers which lead to controller
hungs/resets under high io load.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1777586
Signed-off-by: Konstantin Khorenko
---
drivers/scsi/aacraid
it patch, it's
395e5df79a95 ("scsi: aacraid: Remove reference to Series-9")
it changes arc ctrl checks for Series-6 controllers
and i've checked that resurrection of original logic in arc ctrl checks
eliminates controller hangs/resets.
Konstantin Khorenko (2):
Revert "scsi: aacraid:
tu/+source/linux/+bug/1777586
https://bugzilla.redhat.com/show_bug.cgi?id=1724077
https://jira.sw.ru/browse/PSBM-95736
Signed-off-by: Konstantin Khorenko
---
drivers/scsi/aacraid/aacraid.h | 1 -
drivers/scsi/aacraid/comminit.c | 9 +++--
drivers/scsi/aacraid/commsup.c | 3 +--
drivers/sc
are to
be removed by next patch.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1777586
https://bugzilla.redhat.com/show_bug.cgi?id=1724077
https://jira.sw.ru/browse/PSBM-95736
Signed-off-by: Konstantin Khorenko
---
drivers/scsi/aacraid/aacraid.h | 12 +---
drivers/scsi/aacraid/comminit.c | 18
without
helper,
not that many checks and easier to read the code IMHO.
Thank you!
--
Best regards,
Konstantin Khorenko,
Virtuozzo Linux Kernel Team
it patch, it's
395e5df79a95 ("scsi: aacraid: Remove reference to Series-9")
it changes arc ctrl checks for Series-6 controllers
and i've checked that resurrection of original logic in arc ctrl checks
eliminates controller hangs/resets.
Konstantin Khorenko (1):
scsi: aacraid: resurrect
trl checks for Series-6 controllers.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1777586
https://bugzilla.redhat.com/show_bug.cgi?id=1724077
https://jira.sw.ru/browse/PSBM-95736
Fixes: 395e5df79a95 ("scsi: aacraid: Remove reference to Series-9")
Cc: sta...@vger.kernel.org
Signe
On 04/16/2019 10:17 PM, Tejun Heo wrote:
> On Tue, Apr 16, 2019 at 06:53:35PM +0300, Konstantin Khorenko wrote:
>> __kernfs_remove() which is called under kernfs_mutex,
>> assumes nobody kills kernfs node whie it's working on it
>> and "get"s current kernfs
lds kernfs_mutex, but kernfs_notify_workfn()
could definitely do a kernfs_put() out of kernfs_mutex.
So i suppose kernfs_put() should be put under kernfs_mutex() in
kernfs_notify_workfn().
Konstantin Khorenko (1):
kernfs: keep kernfs node alive for __kernfs_remove()
fs/kernfs/file.c | 2 +-
1 file changed, 1 insertio
ample because of kernfs_notify_workfn() which
does kernfs_put(kn) out of kernfs_mutex held section,
so move kernfs_put(kn) under the mutex.
Signed-off-by: Konstantin Khorenko
---
fs/kernfs/file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/kernfs/file.c b/fs/kernfs
off-by: Konstantin Khorenko
---
drivers/tty/vt/consolemap.c | 8
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c
index 7c7ada0b3ea0..b28aa0d289f8 100644
--- a/drivers/tty/vt/consolemap.c
+++ b/drivers/tty/vt/consolema
On 12/27/2018 07:50 PM, Michal Hocko wrote:
> On Thu 27-12-18 16:05:18, Konstantin Khorenko wrote:
>> On 12/26/2018 11:40 AM, Michal Hocko wrote:
>>> Appart from general comments as a reply to the cover (btw. this all
>>> should be in the changelog bec
On 12/27/2018 07:46 PM, Michal Hocko wrote:
> On Thu 27-12-18 15:18:54, Konstantin Khorenko wrote:
>> Hi Michal,
>>
>> thank you very much for your questions, please see my notes below.
>>
>> On 12/26/2018 11:35 AM, Michal Hocko wrote:
>>> On Tue 25
t version of the patch alltogether
with other changes if any.
> On Tue 25-12-18 18:39:27, Konstantin Khorenko wrote:
> [...]
>> +config WARN_HIGH_ORDER
>> +bool "Enable complains about high order memory allocations"
>> +depends on !LOCKDEP
>
> Why?
LOCKDE
Hi Michal,
thank you very much for your questions, please see my notes below.
On 12/26/2018 11:35 AM, Michal Hocko wrote:
> On Tue 25-12-18 18:39:26, Konstantin Khorenko wrote:
>> Q: Why do we need to bother at all?
>> A: If a node is highly loaded and its memory is significa
the patch via static keys.
Konstantin Khorenko (1):
mm/page_alloc: add warning about high order allocations
kernel/sysctl.c | 15 +++
mm/Kconfig | 18 ++
mm/page_alloc.c | 25 +
3 files changed, 58 insertions(+)
--
2.15.1
gh_order is 3 (PAGE_ALLOC_COSTLY_ORDER).
Sysctl max value is set to 100 which should be enough to exceed maximum
order (normally MAX_ORDER == 11).
Signed-off-by: Konstantin Khorenko
---
kernel/sysctl.c | 15 +++
mm/Kconfig | 18 ++
mm/page_alloc.c | 25 +
3
Hi Bartlomiej,
On 12/20/2018 07:21 PM, Bartlomiej Zolnierkiewicz wrote:
> On 11/26/2018 11:02 AM, Konstantin Khorenko wrote:
>> Scrollback frame buffer is rather big - 32K,
>> so it requires 3rd order page, so let's use kvmalloc() instead of
>> ordinary kmalloc() for it.
&g
k fine to me. I'll plan to pick them up for v4.19 unless anyone
> has objections.
linux-next:
1cf8e5de4055 ("fs/lock: show locks taken by processes from another pidns")
826d7bc9f013 ("fs/lock: skip lock owner pid translation in case we are in
init_pid_ns")
--
Best regards,
Ko
k fine to me. I'll plan to pick them up for v4.19 unless anyone
> has objections.
linux-next:
1cf8e5de4055 ("fs/lock: show locks taken by processes from another pidns")
826d7bc9f013 ("fs/lock: skip lock owner pid translation in case we are in
init_pid_ns")
--
Best regards,
Ko
PID_A2}/fdinfo/3
pos:4
flags: 0212
mnt_id: 295
lock: 1: FLOCK ADVISORY WRITE ${PID_A1} b6:f8a61:529946 0 EOF
Fixes: 9d5b86ac13c5 ("fs/locks: Remove fl_nspid and use fs-specific l_pid for
remote locks")
Signed-off-by: Konstantin Khorenko
---
fs/locks.c | 7 +++
1
PID_A2}/fdinfo/3
pos:4
flags: 0212
mnt_id: 295
lock: 1: FLOCK ADVISORY WRITE ${PID_A1} b6:f8a61:529946 0 EOF
Fixes: 9d5b86ac13c5 ("fs/locks: Remove fl_nspid and use fs-specific l_pid for
remote locks")
Signed-off-by: Konstantin Khorenko
---
fs/locks.c | 7 +++
1
:4
flags: 0212
mnt_id: 295
lock: 1: FLOCK ADVISORY WRITE 0 b6:f8a61:529946 0 EOF
Fixes: 9d5b86ac13c5 ("fs/locks: Remove fl_nspid and use fs-specific l_pid for
remote locks")
Signed-off-by: Konstantin Khorenko
---
fs/locks.c | 8 +++-
1 file changed, 3 insertions(+), 5
:4
flags: 0212
mnt_id: 295
lock: 1: FLOCK ADVISORY WRITE 0 b6:f8a61:529946 0 EOF
Fixes: 9d5b86ac13c5 ("fs/locks: Remove fl_nspid and use fs-specific l_pid for
remote locks")
Signed-off-by: Konstantin Khorenko
---
fs/locks.c | 8 +++-
1 file changed, 3 insertions(+), 5
if (child_pid == -1)
perror("fork failed");
if (child_pid)
exit(0);
sleep(1);
return 0;
}
Konstantin Khorenko (2):
fs/lock: skip lock owner pid translation in case we are in init_pid_ns
fs/lock: show locks taken by proc
if (child_pid == -1)
perror("fork failed");
if (child_pid)
exit(0);
sleep(1);
return 0;
}
Konstantin Khorenko (2):
fs/lock: skip lock owner pid translation in case we are in init_pid_ns
fs/lock: show locks taken by proc
[NETFILTER]: ipt_SAME: add compat conversion functions
ipt_SAME should have the compat function cause its entry structure
(ipt_same_info)
contains a pointer between data filled/checked in both kernel and userspace.
Signed-off-by: Konstantin Khorenko <[EMAIL PROTECTED]>
---
Tha
[NETFILTER]: ipt_SAME: add compat conversion functions
ipt_SAME should have the compat function cause its entry structure
(ipt_same_info)
contains a pointer between data filled/checked in both kernel and userspace.
Signed-off-by: Konstantin Khorenko [EMAIL PROTECTED]
---
Thank you
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