Commit-ID:  b76cb6c869b966b4c991251136b45b3e1babc4e8
Gitweb:     http://git.kernel.org/tip/b76cb6c869b966b4c991251136b45b3e1babc4e8
Author:     Ingo Molnar <[email protected]>
AuthorDate: Sat, 5 Sep 2015 09:32:29 +0200
Committer:  Ingo Molnar <[email protected]>
CommitDate: Tue, 8 Sep 2015 10:03:55 +0200

x86/headers: Fix (old) header file dependency bug in uapi/asm/sigcontext32.h

Mikko Rapeli reported that the following standalone user-space
header does not compile:

  #include <asm/sigcontext32.h>

Due to undefined 'struct __fpx_sw_bytes' which is defined in
asm/sigcontext.h.

The following header order works:

  #include <asm/sigcontext.h>
  #include <asm/sigcontext32.h>

and that's probably how everyone's been using these headers for
the past decade or so, but it's a legit header file dependency
bug, so include asm/sigcontext.h in sigcontext32.h to allow it
to be built standlone.

Reported-by: Mikko Rapeli <[email protected]>
Acked-by: Mikko Rapeli <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Denys Vlasenko <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
---
 arch/x86/include/uapi/asm/sigcontext32.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/include/uapi/asm/sigcontext32.h 
b/arch/x86/include/uapi/asm/sigcontext32.h
index ad1478c..ff7826c 100644
--- a/arch/x86/include/uapi/asm/sigcontext32.h
+++ b/arch/x86/include/uapi/asm/sigcontext32.h
@@ -3,6 +3,8 @@
 
 #include <linux/types.h>
 
+#include <asm/sigcontext.h>
+
 /* signal context for 32bit programs. */
 
 #define X86_FXSR_MAGIC         0x0000
--
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