[Linux-kernel-mentees] [PATCH] checkpatch: add fix for BAD_SIGN_OFF

Aditya yashsri421 at gmail.com
Sun Nov 8 09:19:29 UTC 2020

On 8/11/20 12:17 pm, Lukas Bulwahn wrote:
> On Sun, 8 Nov 2020, Aditya wrote:
>> On 8/11/20 12:08 am, Lukas Bulwahn wrote:
>>> Can you share the six commits?
>>> Then we check if the fix is really the right fix of if something different
>>> is wrong with these commits.
>> These are the commits where this warning for BAD_SIGN_OFF was getting
>> triggered(over 4.13..5.8):
>> 1) Commit 1d1f898df658 ("rcu: Do RCU GP kthread self-wakeup from
>> softirq and interrupt")
>> 2) Commit 6e88559470f5 ("Documentation: Add section about CPU
>> vulnerabilities for Spectre")
>> 3) Commit a35d16905efc ("rcu: Add basic support for kfree_rcu() batching")
>> 4) Commit b7e4aadef28f ("locking/spinlocks: Document the semantics of
>> spin_is_locked()")
>> 5) Commit 621df431b0ac ("Documentation/memory-barriers.txt:
>> Cross-reference "tools/memory-model/"")
>> 6) Commit 1c27b644c0fd ("Automate memory-barriers.txt; provide
>> Linux-kernel memory model")
> I checked all six cases and think the proposed fix is always okay.
> I guess there is still the warning that Co-developed-by: should 
> immediately be followed up the Signed-off-by:, right?
> A possible fix for that would be to check if the needed Signed-off-by: 
> follows somewhere and then just move that to the appropriate place in the 
> patch.

Should I add this in the current patch itself or create another patch
for it?

> When your patch includes this information on how many occurrences, you 
> found and that all of the fixes are correct in those cases, this patch is 
> ready for lkml and Joe Perches.
> Joe will possibly ask to name the six commits, so he can check himself. 
> But no need to add them in the commit message or so.


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