On 16/03/2018 12:50 AM, Bart Van Assche wrote: > On Fri, 2018-03-16 at 00:20 +0800, Coly Li wrote: >> On 15/03/2018 11:08 PM, Bart Van Assche wrote: >>> This patch does not change any functionality. >>> >>> Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx> >> >> Hi Bart, >> >> This patch looks good to me. A question is, does GCC later than 4.3 >> supports such annotation like '__maybe_unused' ? > > Hello Coly, > > You may want to have a look at the following commit: > > commit 0d7ebbbc6eaa5539f78ab20ed6ff1725a4e332ef > Author: David Rientjes <rientjes@xxxxxxxxxx> > Date: Wed May 9 02:35:27 2007 -0700 > > compiler: introduce __used and __maybe_unused > > __used is defined to be __attribute__((unused)) for all pre-3.3 gcc > compilers to suppress warnings for unused functions because perhaps they > are referenced only in inline assembly. It is defined to be > __attribute__((used)) for gcc 3.3 and later so that the code is still > emitted for such functions. > Hi Bart, Thanks for the hint, I don't need to worry about it. Reviewed-by: Coly Li <colyli@xxxxxxx> Coly Li -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
