[tip:x86/threadinfo] x86: Nuke the supervisor_stack field in i386 thread_info

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Commit-ID:  2432e1364bbee83cb6e63e026c91785031704ba5
Gitweb:     http://git.kernel.org/tip/2432e1364bbee83cb6e63e026c91785031704ba5
Author:     Steven Rostedt <srostedt@xxxxxxxxxx>
AuthorDate: Thu, 6 Feb 2014 09:41:28 -0500
Committer:  H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
CommitDate: Thu, 6 Mar 2014 16:56:54 -0800

x86: Nuke the supervisor_stack field in i386 thread_info

Nothing references the supervisor_stack in the thread_info field,
and it does not exist in x86_64. To make the two more the same,
it is being removed.

Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20110806012353.546183789@xxxxxxxxxxx
Link: http://lkml.kernel.org/r/20140206144321.203619611@xxxxxxxxxxx
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
---
 arch/x86/include/asm/thread_info.h | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h
index e1940c0..b7aa975 100644
--- a/arch/x86/include/asm/thread_info.h
+++ b/arch/x86/include/asm/thread_info.h
@@ -36,7 +36,6 @@ struct thread_info {
 	unsigned long           previous_esp;   /* ESP of the previous stack in
 						   case of nested (IRQ) stacks
 						*/
-	__u8			supervisor_stack[0];
 #endif
 	unsigned int		sig_on_uaccess_error:1;
 	unsigned int		uaccess_err:1;	/* uaccess failed */
--
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