APPLIED[Artful]: [SRU][Artful][Bionic][PATCH 0/1] powerpc/64s: Fix NULL AT_BASE_PLATFORM when using DT CPU features

Kleber Souza kleber.souza at canonical.com
Tue Apr 3 15:53:12 UTC 2018


On 03/30/18 21:33, Joseph Salisbury wrote:
> BugLink: http://bugs.launchpad.net/bugs/1759312
> 
> == SRU Justification ==
> AT_BASE_PLATFORM in AIXV is not exported to userspace on P9 baremetal machines 
> causing trouble to userspace tools and software that rely on that information, 
> notably operf and opreport (from oprofile 1.2.0+) will refuse to run without
> that information.
> 
> This bug is fixed by commit e4b79900222b, which is in linux-next and just 
> landed in mainline, but is not contained in any release as of yet.
> 
> == Fix ==
> e4b79900222b ("powerpc/64s: Fix NULL AT_BASE_PLATFORM when using DT CPU features")
> 
> == Regression Potential ==
> Low.  Limited to powerpc.
> 
> == Test Case ==
> A test kernel was built with this patch and tested by the original bug reporter.
> The bug reporter states the test kernel resolved the bug.
> 
> Michael Ellerman (1):
>   powerpc/64s: Fix NULL AT_BASE_PLATFORM when using DT CPU features
> 
>  arch/powerpc/kernel/dt_cpu_ftrs.c | 3 +++
>  1 file changed, 3 insertions(+)
> 

Applied to artful/master-next branch.

Thanks,
Kleber




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