Hello Markus, >… >> fence callback add fails. > failed? >> To fix this, we should decrement the reference count of prev when >… > See also: > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.14-rc4#n94 >> v2: > Patch version descriptions may be specified behind the marker line. > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.14-rc4#n763 Thanks for your comments, I will update these in V3. > Regards, > Markus Best Regards Qianyi