APPLIED: [K][SRU][PATCH 0/1] Fix powerpc test build issue in ubuntu_kernel_selftests

[Stefan Bader]

On 30.12.22 11:05, Po-Hsu Lin wrote:
> [Impact]
> When trying to build powerpc tests from ubuntu_kernel_selftests, it
> will fail with:
>      inlined from ‘cycles_with_mmcr2’ at cycles_with_mmcr2_test.c:81:3:
> /usr/include/powerpc64le-linux-gnu/bits/stdio2.h:86:10: error: ‘actual’ may be used uninitialized [-Werror=maybe-uninitialized]
>     86 | return __printf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, __va_arg_pack ());
>        | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> cycles_with_mmcr2_test.c: In function ‘cycles_with_mmcr2’:
> cycles_with_mmcr2_test.c:25:36: note: ‘actual’ was declared here
>     25 | uint64_t val, expected[2], actual;
>        | ^~~~~~
> cc1: all warnings being treated as errors
> 
> [Fix]
> * ff446cd768 "selftests/powerpc: Avoid GCC 12 uninitialised variable warning"
> This patch can be cherry-picked into Kinetic kernel.
> 
> [Test]
> Apply this patch to the kernel tree and build it with:
> sudo make -C linux/tools/testing/selftests TARGETS=powerpc
> 
> With this error fixed, test compliation can finish without any issue.
> 
> [Where problems could occur]
> Change for test case, no impact to acutal function.
> 
> 
> Michael Ellerman (1):
>    selftests/powerpc: Avoid GCC 12 uninitialised variable warning
> 
>   tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c | 1 +
>   1 file changed, 1 insertion(+)
> 

Applied to kinetic:linux/master-next. Thanks.

-Stefan

-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/kernel-team/attachments/20230130/eee9a7c4/attachment-0001.sig>