From: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> Subject: ACPI: use proper DYNAMIC_DEBUG_BRANCH macro dynamic debug may be implemented via static keys, but ACPI is missing out on that runtime benefit since it open-codes one possible definition of DYNAMIC_DEBUG_BRANCH. Link: http://lkml.kernel.org/r/20190212214150.4807-13-linux@xxxxxxxxxxxxxxxxxx Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> Acked-by: Jason Baron <jbaron@xxxxxxxxxx> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Cc: David Sterba <dsterba@xxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Petr Mladek <pmladek@xxxxxxxx> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- --- a/include/linux/acpi.h~acpi-use-proper-dynamic_debug_branch-macro +++ a/include/linux/acpi.h @@ -987,7 +987,7 @@ void __acpi_handle_debug(struct _ddebug #define acpi_handle_debug(handle, fmt, ...) \ do { \ DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ - if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ + if (DYNAMIC_DEBUG_BRANCH(descriptor)) \ __acpi_handle_debug(&descriptor, handle, pr_fmt(fmt), \ ##__VA_ARGS__); \ } while (0) _
