On Friday, December 28, 2018 8:28:03 AM CET YueHaibing wrote: > Use DEFINE_DEBUGFS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTRIBUTE > for debugfs files. I would prefer it if the patch subject was something like "ACPI: APEI: EINJ: Use DEFINE_DEBUGFS_ATTRIBUTE for debugfs files" And then, in the changelog, you can say "Use DEFINE_DEBUGFS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTRIBUTE for debugfs files to make debugfs_simple_attr.cocci warnings go away." Plus the below. > Semantic patch information: > Rationale: DEFINE_SIMPLE_ATTRIBUTE + debugfs_create_file() > imposes some significant overhead as compared to > DEFINE_DEBUGFS_ATTRIBUTE + debugfs_create_file_unsafe(). > > Generated by: scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci