* new noisy sparse warnings building 7.0-rc1
@ 2026-02-26 16:47 Steve French
2026-02-26 19:14 ` Al Viro
0 siblings, 1 reply; 2+ messages in thread
From: Steve French @ 2026-02-26 16:47 UTC (permalink / raw)
To: LKML
I see some very noisy sparse warnings building 7.0-rc1
Any ideas how to avoid them?
ake: Entering directory '/usr/src/linux-headers-7.0.0-070000rc1-generic'
make[1]: Entering directory '/home/smfrench/cifs-2.6/fs/smb/client'
warning: the compiler differs from the one used to build the kernel
The kernel was built by: x86_64-linux-gnu-gcc-15 (Ubuntu
15.2.0-4ubuntu4) 15.2.0
You are using: gcc-15 (Ubuntu 15.2.0-4ubuntu4) 15.2.0
warning: pahole version differs from the one used to build the kernel
The kernel was built with: 130
You are using: 0
CC [M] cifsfs.o
CHECK cifsfs.c
cifsfs.c: note: in included file (through
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/security.h,
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/net/scm.h,
...):
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: Expected ) in function call
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: got __VA_OPT__
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: Expected ) in function call
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: got __VA_OPT__
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: Expected ) in function call
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: got __VA_OPT__
cifsfs.c:1023:19: error: Expected ) in function call
cifsfs.c:1023:19: error: got ,
cifsfs.c:1023:19: error: Expected ) in function call
cifsfs.c:1023:19: error: got ,
cifsfs.c:1023:19: error: Expected ) in function call
cifsfs.c:1023:19: error: got ,
cifsfs.c:1027:24: error: Expected ) in function call
cifsfs.c:1027:24: error: got ,
cifsfs.c:1027:24: error: Expected ) in function call
cifsfs.c:1027:24: error: got ,
cifsfs.c:1027:24: error: Expected ) in function call
cifsfs.c:1027:24: error: got ,
cifsfs.c:1023:19: error: undefined identifier '_res'
cifsfs.c:1023:19: error: undefined identifier '__VA_OPT__'
cifsfs.c:1023:19: error: undefined identifier '_res'
cifsfs.c:1023:19: error: undefined identifier '__VA_OPT__'
cifsfs.c:1023:19: error: undefined identifier '_res'
cifsfs.c:1027:24: error: undefined identifier '_res'
cifsfs.c:1027:24: error: undefined identifier '__VA_OPT__'
cifsfs.c:1027:24: error: undefined identifier '_res'
cifsfs.c:1027:24: error: undefined identifier '__VA_OPT__'
cifsfs.c:1027:24: error: undefined identifier '_res'
CC [M] dir.o
CHECK dir.c
dir.c: note: in included file (through
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/security.h,
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/net/scm.h,
...):
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: Expected ) in function call
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: got __VA_OPT__
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: Expected ) in function call
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: got __VA_OPT__
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: Expected ) in function call
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: got __VA_OPT__
CC [M] file.o
CHECK file.c
file.c: note: in included file (through
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/security.h,
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/net/scm.h,
...):
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: Expected ) in function call
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: got __VA_OPT__
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: Expected ) in function call
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: got __VA_OPT__
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: Expected ) in function call
/usr/src/linux-headers-7.0.0-070000rc1-generic/include/linux/bpf.h:2302:16:
error: got __VA_OPT__
file.c:492:22: error: Expected ) in function call
file.c:492:22: error: got ,
file.c:492:22: error: Expected ) in function call
file.c:492:22: error: got ,
file.c:492:22: error: Expected ) in function call
file.c:492:22: error: got ,
file.c:676:17: error: Expected ) in function call
file.c:676:17: error: got ,
file.c:676:17: error: Expected ) in function call
file.c:676:17: error: got ,
file.c:676:17: error: Expected ) in function call
file.c:676:17: error: got ,
file.c:680:19: error: Expected ) in function call
file.c:680:19: error: got ,
file.c:680:19: error: Expected ) in function call
file.c:680:19: error: got ,
file.c:680:19: error: Expected ) in function call
file.c:680:19: error: got ,
file.c:1461:26: error: Expected ) in function call
file.c:1461:26: error: got ,
file.c:1461:26: error: Expected ) in function call
file.c:1461:26: error: got ,
file.c:1461:26: error: Expected ) in function call
file.c:1461:26: error: got ,
file.c:1585:17: error: Expected ) in function call
file.c:1585:17: error: got ,
file.c:1585:17: error: Expected ) in function call
file.c:1585:17: error: got ,
file.c:1585:17: error: Expected ) in function call
file.c:1585:17: error: got ,
file.c:1856:15: error: Expected ) in function call
file.c:1856:15: error: got ,
file.c:1856:15: error: Expected ) in function call
file.c:1856:15: error: got ,
file.c:1856:15: error: Expected ) in function call
file.c:1856:15: error: got ,
file.c:1948:23: error: Expected ) in function call
file.c:1948:23: error: got ,
file.c:1948:23: error: Expected ) in function call
file.c:1948:23: error: got ,
file.c:1948:23: error: Expected ) in function call
file.c:1948:23: error: got ,
file.c:2232:15: error: Expected ) in function call
file.c:2232:15: error: got ,
file.c:2232:15: error: Expected ) in function call
file.c:2232:15: error: got ,
file.c:2232:15: error: Expected ) in function call
file.c:2232:15: error: got ,
file.c:492:22: error: undefined identifier '_res'
file.c:492:22: error: undefined identifier '__VA_OPT__'
file.c:492:22: error: undefined identifier '_res'
file.c:492:22: error: undefined identifier '__VA_OPT__'
file.c:492:22: error: undefined identifier '_res'
file.c:676:17: error: undefined identifier '_res'
file.c:676:17: error: undefined identifier '__VA_OPT__'
file.c:676:17: error: undefined identifier '_res'
file.c:676:17: error: undefined identifier '__VA_OPT__'
file.c:676:17: error: undefined identifier '_res'
file.c:680:19: error: undefined identifier '_res'
file.c:680:19: error: undefined identifier '__VA_OPT__'
file.c:680:19: error: undefined identifier '_res'
file.c:680:19: error: undefined identifier '__VA_OPT__'
file.c:680:19: error: undefined identifier '_res'
file.c:1948:23: error: undefined identifier '_res'
file.c:1948:23: error: undefined identifier '__VA_OPT__'
file.c:1948:23: error: undefined identifier '_res'
file.c:1948:23: error: undefined identifier '__VA_OPT__'
file.c:1948:23: error: undefined identifier '_res'
file.c:1461:26: error: undefined identifier '_res'
file.c:1461:26: error: undefined identifier '__VA_OPT__'
file.c:1461:26: error: undefined identifier '_res'
file.c:1461:26: error: undefined identifier '__VA_OPT__'
file.c:1461:26: error: undefined identifier '_res'
file.c:1585:17: error: undefined identifier '_res'
file.c:1585:17: error: undefined identifier '__VA_OPT__'
file.c:1585:17: error: undefined identifier '_res'
file.c:1585:17: error: undefined identifier '__VA_OPT__'
file.c:1585:17: error: undefined identifier '_res'
file.c:1856:15: error: undefined identifier '_res'
file.c:1856:15: error: undefined identifier '__VA_OPT__'
file.c:1856:15: error: undefined identifier '_res'
file.c:1856:15: error: undefined identifier '__VA_OPT__'
file.c:1856:15: error: undefined identifier '_res'
file.c:2232:15: error: undefined identifier '_res'
file.c:2232:15: error: undefined identifier '__VA_OPT__'
file.c:2232:15: error: undefined identifier '_res'
file.c:2232:15: error: undefined identifier '__VA_OPT__'
file.c:2232:15: error: undefined identifier '_res'
--
Thanks,
Steve
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: new noisy sparse warnings building 7.0-rc1
2026-02-26 16:47 new noisy sparse warnings building 7.0-rc1 Steve French
@ 2026-02-26 19:14 ` Al Viro
0 siblings, 0 replies; 2+ messages in thread
From: Al Viro @ 2026-02-26 19:14 UTC (permalink / raw)
To: Steve French; +Cc: LKML
On Thu, Feb 26, 2026 at 10:47:49AM -0600, Steve French wrote:
> I see some very noisy sparse warnings building 7.0-rc1
>
> Any ideas how to avoid them?
Sigh... __VA_OPT__ is currently unsupported in sparse; I have a stalled
branch adding that (from back in December), hopefully will have something
usable posted in a few days.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2026-02-26 19:14 ` Al Viro
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