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Branches

Name Last Modified Last Commit
efa-140-test 2019-09-16 16:45:07 UTC
TEST KERNEL

Author: Kamal Mostafa
Author Date: 2019-09-16 16:45:07 UTC

TEST KERNEL

efa-140 2019-09-16 16:40:31 UTC
UBUNTU: SAUCE: linux/efa: Bump driver version to 1.4.0

Author: Gal Pressman
Author Date: 2019-09-05 13:45:32 UTC

UBUNTU: SAUCE: linux/efa: Bump driver version to 1.4.0

BugLink: https://bugs.launchpad.net/bugs/1844166

Reviewed-by: Firas JahJah <firasj@amazon.com>
Reviewed-by: Yossi Leybovich <sleybo@amazon.com>
Signed-off-by: Gal Pressman <galpress@amazon.com>
Reference: https://github.com/amzn/amzn-drivers/tree/master/kernel/linux/efa
Signed-off-by: Kamal Mostafa <kamal@canonical.com>

hibernate-lp1831940c 2019-06-26 18:40:03 UTC
UBUNTU SAUCE [aws] mm, page_alloc: disable fair zone allocation policy on hib...

Author: Andrea Righi
Author Date: 2019-06-26 15:19:32 UTC

UBUNTU SAUCE [aws] mm, page_alloc: disable fair zone allocation policy on hibernate

BugLink: https://bugs.launchpad.net/bugs/1831940

The fair zone allocation policy interleaves allocation requests between
zones to avoid an age inversion problem whereby new pages are reclaimed
to balance a zone.

Get rid of this complexity when tasks are frozen during hibernation.
This allows to improve hibernation performance and reduce the risk of
OOMs.

Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Acked-by: Brad Figg <brad.figg@canonical.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>

hibernate-0626 2019-06-26 17:14:54 UTC
TEST KERNEL 4.4.0-1087.98+hibernate20190626

Author: Kamal Mostafa
Author Date: 2019-06-26 16:33:08 UTC

TEST KERNEL 4.4.0-1087.98+hibernate20190626

master 2019-06-26 05:29:47 UTC
UBUNTU: Ubuntu-aws-4.4.0-1087.98

Author: Khaled El Mously
Author Date: 2019-06-26 05:17:15 UTC

UBUNTU: Ubuntu-aws-4.4.0-1087.98

Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

hibernate-0625 2019-06-25 18:24:55 UTC
TEST KERNEL 4.4.0-1085.96+hibernate20190625

Author: Kamal Mostafa
Author Date: 2019-06-25 18:24:55 UTC

TEST KERNEL 4.4.0-1085.96+hibernate20190625

hibernate-lp1831940b 2019-06-25 18:21:34 UTC
UBUNTU SAUCE [aws] PM / hibernate: reduce memory pressure during image writing

Author: Andrea Righi
Author Date: 2019-06-25 14:40:23 UTC

UBUNTU SAUCE [aws] PM / hibernate: reduce memory pressure during image writing

BugLink: https://bugs.launchpad.net/bugs/1831940

Get rid of the reqd_free_pages logic and make sure I/O requests are
completed every time a swap page is written.

This allows to reduce the risk of running out of memory during hibernate
if the system is under memory pressure.

Signed-off-by: Andrea Righi <andrea.righi@canonical.com>

hibernate-arighi-v3b 2019-06-25 17:07:19 UTC
UBUNTU SAUCE [aws] PM / hibernate: reduce memory pressure during image writing

Author: Andrea Righi
Author Date: 2019-06-25 14:40:23 UTC

UBUNTU SAUCE [aws] PM / hibernate: reduce memory pressure during image writing

Get rid of the reqd_free_pages logic and make sure I/O requests are
completed every time a swap page is written.

This allows to reduce the risk of running out of memory during hibernate
if the system is under memory pressure.

Signed-off-by: Andrea Righi <andrea.righi@canonical.com>

hibernate-arighi-v3 2019-06-25 16:16:31 UTC
TEST KERNEL hibernate20190625

Author: Kamal Mostafa
Author Date: 2019-06-25 16:16:31 UTC

TEST KERNEL hibernate20190625

Signed-off-by: Kamal Mostafa <kamal@canonical.com>

hibernate-lp1831940 2019-06-18 19:02:29 UTC
UBUNTU SAUCE [aws]: PM / hibernate: make sure pm_async is always disabled

Author: Andrea Righi
Author Date: 2019-06-07 14:23:38 UTC

UBUNTU SAUCE [aws]: PM / hibernate: make sure pm_async is always disabled

BugLink: https://bugs.launchpad.net/bugs/1831940

We have experienced deadlock conditions on hibernate under memory
pressure with pm_async enabled.

To prevent such deadlocks make sure that pm_async is never enabled.

Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>

hibernate-master 2019-05-24 20:23:11 UTC
TEST KERNEL 4.4.0-1084.94+hibernate20190524

Author: Kamal Mostafa
Author Date: 2019-05-24 20:23:11 UTC

TEST KERNEL 4.4.0-1084.94+hibernate20190524

ena-1.5.0K 2018-06-01 17:15:45 UTC
net: ena: Eliminate duplicate barriers on weakly-ordered archs

Author: Sinan Kaya
Author Date: 2018-03-25 14:39:21 UTC

net: ena: Eliminate duplicate barriers on weakly-ordered archs

BugLink: http://bugs.launchpad.net/bugs/1774490

Code includes barrier() followed by writel(). writel() already has a
barrier on some architectures like arm64.

This ends up CPU observing two barriers back to back before executing the
register write.

Create a new wrapper function with relaxed write operator. Use the new
wrapper when a write is following a barrier().

Since code already has an explicit barrier call, changing writel() to
writel_relaxed() and adding mmiowb() for ordering protection.

Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 6d2e1a8d5e25e5f4563f5ea24bcb5da1ae261b26)
Signed-off-by: Kamal Mostafa <kamal@canonical.com>

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