ACK: [SRU][Q][PATCH v4 0/1] selftests/powerpc: Suppress -Wmaybe-uninitialized with GCC 15

Gabriela Bittencourt gabriela.bittencourt at canonical.com
Thu May 7 14:07:33 UTC 2026


On 4/23/26 23:56, Zixing Liu wrote:
> BugLink: https://bugs.launchpad.net/bugs/2129844
>
> SRU Justification:
>
> [Impact]
>
> On Questing, PowerPC kernel self-test suites can not be built due to a GCC
> diagnostic issue.
>
> [Fix]
>
> Backport upstream patch to workaround the issue:
> https://lore.kernel.org/all/20260313165426.43259-1-amachhiw@linux.ibm.com/
>
> [Test Plan]
>
> Build the PowerPC kernel self-test suites on Questing to see if they can
> be built.
>
> [Where problems could occur]
>
> The patches may introduce misoptimizations due to uninitialized variables.
>
> [Other Info]
>
> N/A
>
> Amit Machhiwal (1):
>    selftests/powerpc: Suppress -Wmaybe-uninitialized with GCC 15
>
>   tools/testing/selftests/powerpc/vphn/Makefile | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
Acked-by: Gabriela Bittencour <gabriela.bittencourt at canonical.com>



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