linux-kernel - [tip: objtool/urgent] uapi: Fix undefined __always

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Date:   Wed, 22 Dec 2021 09:10:31 -0000
From:   "tip-bot2 for Ismael Luceno" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Ismael Luceno <ismael@...ev.co.uk>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: objtool/urgent] uapi: Fix undefined __always_inline on
 non-glibc systems

The following commit has been merged into the objtool/urgent branch of tip:

Commit-ID:     cb8747b7d2a9e3d687a19a007575071d4b71cd05
Gitweb:        https://git.kernel.org/tip/cb8747b7d2a9e3d687a19a007575071d4b71cd05
Author:        Ismael Luceno <ismael@...ev.co.uk>
AuthorDate:    Mon, 15 Nov 2021 14:46:47 +01:00
Committer:     Josh Poimboeuf <jpoimboe@...hat.com>
CommitterDate: Tue, 21 Dec 2021 15:09:46 -08:00

uapi: Fix undefined __always_inline on non-glibc systems

This macro is defined by glibc itself, which makes the issue go unnoticed on
those systems.  On non-glibc systems it causes build failures on several
utilities and libraries, like bpftool and objtool.

Fixes: 1d509f2a6ebc ("x86/insn: Support big endian cross-compiles")
Fixes: 2d7ce0e8a704 ("tools/virtio: more stubs")
Fixes: 3fb321fde22d ("selftests/net: ipv6 flowlabel")
Fixes: 50b3ed57dee9 ("selftests/bpf: test bpf flow dissection")
Fixes: 9cacf81f8161 ("bpf: Remove extra lock_sock for TCP_ZEROCOPY_RECEIVE")
Fixes: a4b2061242ec ("tools include uapi: Grab a copy of linux/in.h")
Fixes: b12d6ec09730 ("bpf: btf: add btf print functionality")
Fixes: c0dd967818a2 ("tools, include: Grab a copy of linux/erspan.h")
Fixes: c4b6014e8bb0 ("tools: Add copy of perf_event.h to tools/include/linux/")

Signed-off-by: Ismael Luceno <ismael@...ev.co.uk>
Acked-by: Masami Hiramatsu <mhiramat@...nel.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@...hat.com>
Link: https://lore.kernel.org/r/20211115134647.1921-1-ismael@iodev.co.uk
Cc: Martin Schwidefsky <schwidefsky@...ibm.com>
Cc: Vasily Gorbik <gor@...ux.ibm.com>
---
 include/uapi/linux/byteorder/big_endian.h    | 1 +
 include/uapi/linux/byteorder/little_endian.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/include/uapi/linux/byteorder/big_endian.h b/include/uapi/linux/byteorder/big_endian.h
index 2199adc..80aa5c4 100644
--- a/include/uapi/linux/byteorder/big_endian.h
+++ b/include/uapi/linux/byteorder/big_endian.h
@@ -9,6 +9,7 @@
 #define __BIG_ENDIAN_BITFIELD
 #endif
 
+#include <linux/stddef.h>
 #include <linux/types.h>
 #include <linux/swab.h>
 
diff --git a/include/uapi/linux/byteorder/little_endian.h b/include/uapi/linux/byteorder/little_endian.h
index 601c904..cd98982 100644
--- a/include/uapi/linux/byteorder/little_endian.h
+++ b/include/uapi/linux/byteorder/little_endian.h
@@ -9,6 +9,7 @@
 #define __LITTLE_ENDIAN_BITFIELD
 #endif
 
+#include <linux/stddef.h>
 #include <linux/types.h>
 #include <linux/swab.h>