[patch 61/86] arch: msgbuf.h: make uapi asm/msgbuf.h self-contained

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From: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
Subject: arch: msgbuf.h: make uapi asm/msgbuf.h self-contained

Userspace cannot compile <asm/msgbuf.h> due to some missing type
definitions.  For example, building it for x86 fails as follows:

  CC      usr/include/asm/msgbuf.h.s
In file included from ./usr/include/asm/msgbuf.h:6:0,
                 from <command-line>:32:
./usr/include/asm-generic/msgbuf.h:25:20: error: field `msg_perm' has incomplete type
  struct ipc64_perm msg_perm;
                    ^~~~~~~~
./usr/include/asm-generic/msgbuf.h:27:2: error: unknown type name `__kernel_time_t'
  __kernel_time_t msg_stime; /* last msgsnd time */
  ^~~~~~~~~~~~~~~
./usr/include/asm-generic/msgbuf.h:28:2: error: unknown type name `__kernel_time_t'
  __kernel_time_t msg_rtime; /* last msgrcv time */
  ^~~~~~~~~~~~~~~
./usr/include/asm-generic/msgbuf.h:29:2: error: unknown type name `__kernel_time_t'
  __kernel_time_t msg_ctime; /* last change time */
  ^~~~~~~~~~~~~~~
./usr/include/asm-generic/msgbuf.h:41:2: error: unknown type name `__kernel_pid_t'
  __kernel_pid_t msg_lspid; /* pid of last msgsnd */
  ^~~~~~~~~~~~~~
./usr/include/asm-generic/msgbuf.h:42:2: error: unknown type name `__kernel_pid_t'
  __kernel_pid_t msg_lrpid; /* last receive pid */
  ^~~~~~~~~~~~~~

It is just a matter of missing include directive.

Include <asm/ipcbuf.h> to make it self-contained, and add it to
the compile-test coverage.

Link: http://lkml.kernel.org/r/20191030063855.9989-2-yamada.masahiro@xxxxxxxxxxxxx
Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 arch/mips/include/uapi/asm/msgbuf.h    |    1 +
 arch/parisc/include/uapi/asm/msgbuf.h  |    1 +
 arch/powerpc/include/uapi/asm/msgbuf.h |    2 ++
 arch/sparc/include/uapi/asm/msgbuf.h   |    2 ++
 arch/x86/include/uapi/asm/msgbuf.h     |    3 +++
 arch/xtensa/include/uapi/asm/msgbuf.h  |    2 ++
 include/uapi/asm-generic/msgbuf.h      |    2 ++
 usr/include/Makefile                   |    1 -
 8 files changed, 13 insertions(+), 1 deletion(-)

--- a/arch/mips/include/uapi/asm/msgbuf.h~arch-msgbufh-make-uapi-asm-msgbufh-self-contained
+++ a/arch/mips/include/uapi/asm/msgbuf.h
@@ -2,6 +2,7 @@
 #ifndef _ASM_MSGBUF_H
 #define _ASM_MSGBUF_H
 
+#include <asm/ipcbuf.h>
 
 /*
  * The msqid64_ds structure for the MIPS architecture.
--- a/arch/parisc/include/uapi/asm/msgbuf.h~arch-msgbufh-make-uapi-asm-msgbufh-self-contained
+++ a/arch/parisc/include/uapi/asm/msgbuf.h
@@ -3,6 +3,7 @@
 #define _PARISC_MSGBUF_H
 
 #include <asm/bitsperlong.h>
+#include <asm/ipcbuf.h>
 
 /* 
  * The msqid64_ds structure for parisc architecture, copied from sparc.
--- a/arch/powerpc/include/uapi/asm/msgbuf.h~arch-msgbufh-make-uapi-asm-msgbufh-self-contained
+++ a/arch/powerpc/include/uapi/asm/msgbuf.h
@@ -2,6 +2,8 @@
 #ifndef _ASM_POWERPC_MSGBUF_H
 #define _ASM_POWERPC_MSGBUF_H
 
+#include <asm/ipcbuf.h>
+
 /*
  * The msqid64_ds structure for the PowerPC architecture.
  * Note extra padding because this structure is passed back and forth
--- a/arch/sparc/include/uapi/asm/msgbuf.h~arch-msgbufh-make-uapi-asm-msgbufh-self-contained
+++ a/arch/sparc/include/uapi/asm/msgbuf.h
@@ -2,6 +2,8 @@
 #ifndef _SPARC_MSGBUF_H
 #define _SPARC_MSGBUF_H
 
+#include <asm/ipcbuf.h>
+
 /*
  * The msqid64_ds structure for sparc64 architecture.
  * Note extra padding because this structure is passed back and forth
--- a/arch/x86/include/uapi/asm/msgbuf.h~arch-msgbufh-make-uapi-asm-msgbufh-self-contained
+++ a/arch/x86/include/uapi/asm/msgbuf.h
@@ -5,6 +5,9 @@
 #if !defined(__x86_64__) || !defined(__ILP32__)
 #include <asm-generic/msgbuf.h>
 #else
+
+#include <asm/ipcbuf.h>
+
 /*
  * The msqid64_ds structure for x86 architecture with x32 ABI.
  *
--- a/arch/xtensa/include/uapi/asm/msgbuf.h~arch-msgbufh-make-uapi-asm-msgbufh-self-contained
+++ a/arch/xtensa/include/uapi/asm/msgbuf.h
@@ -17,6 +17,8 @@
 #ifndef _XTENSA_MSGBUF_H
 #define _XTENSA_MSGBUF_H
 
+#include <asm/ipcbuf.h>
+
 struct msqid64_ds {
 	struct ipc64_perm msg_perm;
 #ifdef __XTENSA_EB__
--- a/include/uapi/asm-generic/msgbuf.h~arch-msgbufh-make-uapi-asm-msgbufh-self-contained
+++ a/include/uapi/asm-generic/msgbuf.h
@@ -3,6 +3,8 @@
 #define __ASM_GENERIC_MSGBUF_H
 
 #include <asm/bitsperlong.h>
+#include <asm/ipcbuf.h>
+
 /*
  * generic msqid64_ds structure.
  *
--- a/usr/include/Makefile~arch-msgbufh-make-uapi-asm-msgbufh-self-contained
+++ a/usr/include/Makefile
@@ -16,7 +16,6 @@ override c_flags = $(UAPI_CFLAGS) -Wp,-M
 # Please consider to fix the header first.
 #
 # Sorted alphabetically.
-header-test- += asm/msgbuf.h
 header-test- += asm/sembuf.h
 header-test- += asm/shmbuf.h
 header-test- += asm/signal.h
_




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