[PATCH v4 0/3] powerpc/pseries: fix issues in suspend/resume code
Benjamin Herrenschmidt
benh at kernel.crashing.org
Mon Feb 24 12:53:11 EST 2014
On Wed, 2014-02-19 at 12:56 -0800, Tyrel Datwyler wrote:
> This patchset fixes a couple of issues encountered in the suspend/resume code
> base. First when using the kernel device tree update code update-nodes is
> unnecessarily called more than once. Second the cpu cache lists are not
> updated after a suspend/resume which under certain conditions may cause a
> panic. Finally, since the cache list fix utilzes in kernel device tree update
> code a means for telling drmgr that updating the device tree from userspace
> is unnecessary.
This series breaks the !SMP build.
Cheers,
Ben.
> Changes from v3:
> - Updated patch descriptions to better reflect the behavior/interface changes
> and why they are acceptable per Ben's concerns.
>
> Changes from v2:
> - Moved dynamic configuration update code into pseries specific routine
> per Nathan's suggestion.
>
> Changes from v1:
> - Fixed several commit message typos
> - Fixed authorship of first two patches
>
> Haren Myneni (2):
> powerpc/pseries: Device tree should only be updated once after
> suspend/migrate
> powerpc/pseries: Update dynamic cache nodes for suspend/resume
> operation
>
> Tyrel Datwyler (1):
> powerpc/pseries: Report in kernel device tree update to drmgr
>
> arch/powerpc/include/asm/rtas.h | 1 +
> arch/powerpc/platforms/pseries/mobility.c | 26 +++++++-----------
> arch/powerpc/platforms/pseries/suspend.c | 44 ++++++++++++++++++++++++++++++-
> 3 files changed, 54 insertions(+), 17 deletions(-)
>
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