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To: Harshit Mogalapalli , Greg KH , "shuah@kernel.org" Cc: stable@vger.kernel.org, kevin.brodsky@arm.com, Ramanan Govindarajan , linux-kselftest@vger.kernel.org, Sasha Levin , Shuah Khan References: <20260219101318.2442406-1-harshit.m.mogalapalli@oracle.com> <2026021904-unclothed-flavored-cdf7@gregkh> Content-Language: en-US From: Shuah Khan In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2/20/26 16:08, Harshit Mogalapalli wrote: > Hi Greg and Shuah, > > On 19/02/26 16:57, Greg KH wrote: >>> All are clean cherry-picks. After patching the selftests the test is >>> correctly skipped. These additional backports cleansup the code and >>> avoids the need for conflict resolution and might help future backports. >> Shouldn't you be always running the latest selftests on older kernels? >> We don't always keep selftests up to date at all, as you can see here, >> but newer selftests should ALWAYS work with older kernels. >> > > Thanks for sharing your insights on this. > > Couple of problems around this, would really appreciate your guidance on this. > > 1. Not all new selftests written might be correctly skipping if the feature is not supported in older kernels. They should be skipping if a feature/configuration isn't supported. The right approach is to fix the test to skip. thanks, -- Shuah