linux-kernel - [PATCH 5.15 059/128] uapi: Fix undefined __always

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Message-Id: <20211227151333.477211158@linuxfoundation.org>
Date:   Mon, 27 Dec 2021 16:30:34 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, 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>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 059/128] uapi: Fix undefined __always_inline on non-glibc systems

From: Ismael Luceno <ismael@...ev.co.uk>

[ Upstream commit cb8747b7d2a9e3d687a19a007575071d4b71cd05 ]

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>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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 2199adc6a6c20..80aa5c41a7636 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 601c904fd5cd9..cd98982e7523e 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>
 
-- 
2.34.1