ACK: [SRU][Zesty][PATCH 1/1] pstore: Fix flags to enable dumps on powerpc

[Seth Forshee]

On Fri, Jun 02, 2017 at 11:37:33AM -0400, Joseph Salisbury wrote:
> From: Ankit Kumar <ankit at linux.vnet.ibm.com>
> 
> BugLink: http://bugs.launchpad.net/bugs/1691045
> 
> After commit c950fd6f201a kernel registers pstore write based on flag set.
> Pstore write for powerpc is broken as flags(PSTORE_FLAGS_DMESG) is not set for
> powerpc architecture. On panic, kernel doesn't write message to
> /fs/pstore/dmesg*(Entry doesn't gets created at all).
> 
> This patch enables pstore write for powerpc architecture by setting
> PSTORE_FLAGS_DMESG flag.
> 
> Fixes: c950fd6f201a ("pstore: Split pstore fragile flags")
> Cc: stable at vger.kernel.org # v4.9+
> Signed-off-by: Ankit Kumar <ankit at linux.vnet.ibm.com>
> Signed-off-by: Kees Cook <keescook at chromium.org>
> (cherry picked from commit 041939c1ec54208b42f5cd819209173d52a29d34)
> Signed-off-by: Joseph Salisbury <joseph.salisbury at canonical.com>

Clean cherry pick, simple fix.

Acked-by: Seth Forshee <seth.forshee at canonical.com>

Artful and unstable already have this fix.