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Subjectlinux-next: build failure after merge of the net-next tree
Hi all,

After merging the net-next tree, today's linux-next build (x86_64
allmodconfig) failed like this:

In file included from usr/include/linux/tc_act/tc_ctinfo.hdrtest.c:1:
./usr/include/linux/tc_act/tc_ctinfo.h:30:21: error: implicit declaration of function 'BIT' [-Werror=implicit-function-declaration]
CTINFO_MODE_DSCP = BIT(0),
^~~
./usr/include/linux/tc_act/tc_ctinfo.h:30:2: error: enumerator value for 'CTINFO_MODE_DSCP' is not an integer constant
CTINFO_MODE_DSCP = BIT(0),
^~~~~~~~~~~~~~~~
./usr/include/linux/tc_act/tc_ctinfo.h:32:1: error: enumerator value for 'CTINFO_MODE_CPMARK' is not an integer constant
};
^

Caused by commit

24ec483cec98 ("net: sched: Introduce act_ctinfo action")

Presumably exposed by commit

b91976b7c0e3 ("kbuild: compile-test UAPI headers to ensure they are self-contained")

from the kbuild tree.

I have applied the following (obvious) patch for today.

From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Wed, 19 Jun 2019 13:15:22 +1000
Subject: [PATCH] net: sched: don't use BIT() in uapi headers

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
include/uapi/linux/tc_act/tc_ctinfo.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/uapi/linux/tc_act/tc_ctinfo.h b/include/uapi/linux/tc_act/tc_ctinfo.h
index da803e05a89b..6166c62dd7dd 100644
--- a/include/uapi/linux/tc_act/tc_ctinfo.h
+++ b/include/uapi/linux/tc_act/tc_ctinfo.h
@@ -27,8 +27,8 @@ enum {
#define TCA_CTINFO_MAX (__TCA_CTINFO_MAX - 1)

enum {
- CTINFO_MODE_DSCP = BIT(0),
- CTINFO_MODE_CPMARK = BIT(1)
+ CTINFO_MODE_DSCP = (1UL << 0),
+ CTINFO_MODE_CPMARK = (1UL << 1)
};

#endif
--
2.20.1
--
Cheers,
Stephen Rothwell
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