Hello! On 6/28/22 11:59 AM, Damien Le Moal wrote: [...] >> x86_64 allmodconfig build with W=1 gives these warnings: >> >> drivers/ata/pata_cs5535.c: In function ‘cs5535_set_piomode’: >> drivers/ata/pata_cs5535.c:93:11: error: variable ‘dummy’ set but not used [-Werror=unused-but-set-variable] >> u32 reg, dummy; >> ^~~~~ >> drivers/ata/pata_cs5535.c: In function ‘cs5535_set_dmamode’: >> drivers/ata/pata_cs5535.c:132:11: error: variable ‘dummy’ set but not used [-Werror=unused-but-set-variable] >> u32 reg, dummy; >> ^~~~~ >> cc1: all warnings being treated as errors >> >> Mark variables 'dummy' as "maybe unused" to satisfy when rdmsr() is >> stubbed, which is the same as what we already do in pata_cs5536.c . >> >> Signed-off-by: John Garry <john.garry@xxxxxxxxxx> Reviewed-by: Sergey Shtylyov <s.shtylyov@xxxxxx> > Looks good, but I wonder why I am not getting this warning. I always do > W=1 and C=1 builds. I tried allmodconfig now and I am not getting the > warning... I can confirm the (fatal) warnings with RedHat gcc 10.3.1... but somehow they only occur on x86_64 with allmodconfig indeed (which is strange)... [...] MBR, Sergey
