On 2022/08/08 8:37, Bart Van Assche wrote:
Thanks for having taken a look. Please help with verifying whether the
following patch is sufficient to fix the reported warning: "[PATCH]
tracing: Suppress sparse warnings triggered by is_signed_type()"
(https://lore.kernel.org/all/20220717151047.19220-1-bvanassche@xxxxxxx/).
With the current Linus tree, I do not see this sparse warning. However, applying
the above patch, "make M=fs/zonefs C=1" generates a lot of warnings:
make -j64 M=fs/zonefs C=1
CC [M] fs/zonefs/super.o
CC [M] fs/zonefs/sysfs.o
CHECK fs/zonefs/sysfs.c
CHECK fs/zonefs/super.c
fs/zonefs/sysfs.c: note: in included file (through include/linux/bitops.h,
include/linux/kernel.h, arch/x86/include/asm/percpu.h,
arch/x86/include/asm/preempt.h, include/linux/preempt.h,
include/linux/spinlock.h, ...):
./arch/x86/include/asm/bitops.h:66:1: warning: unreplaced symbol 'return'