ACK: [SRU][Artful][Bionic][PATCH 0/1] powerpc/perf: Fix oops when grouping different pmu events

[Kleber Souza]

On 02/02/18 21:50, Joseph Salisbury wrote:
> BugLink: http://bugs.launchpad.net/bugs/1746225
> 
> == SRU Justification ==
> Due to this bug, perf fuzzer resulted in crash and system goes for a reboot
> and results in a call trace shown in the bug.  It is due to grouping of 
> different PMU events, which is fixed by mainline commit 5aa04b3eb6fca63d2e9827be656dcadc26d54e1
>  
> Commit 5aa04b3eb6fca63d2e9827be656dcadc26d54e11 is in mailine as of v4.15-rc5.
>     
> 
> == Fix ==
> commit 5aa04b3eb6fca63d2e9827be656dcadc26d54e11
> Author: Ravi Bangoria <ravi.bangoria at linux.vnet.ibm.com>
> Date:   Thu Nov 30 14:03:22 2017 +0530
> 
>     powerpc/perf: Fix oops when grouping different pmu events
> 
> 
> == Regression Potential ==
> Low.  This fix is specific 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.
> 
> 
> Ravi Bangoria (1):
>   powerpc/perf: Fix oops when grouping different pmu events
> 
>  arch/powerpc/perf/core-book3s.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 

Acked-by: Kleber Sacilotto de Souza <kleber.souza at canonical.com>