From: Jeff Dike <jdike@addtoit.com>
Date: Fri, 8 Feb 2008 12:22:10 +0000 (-0800)
Subject: uml: x86_64 should copy %fs during fork
X-Git-Tag: v2.6.25-rc1~52
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5aaf5f7b871abf00fb2525e7ed2d5938a74ce23c;p=linux-2.6

uml: x86_64 should copy %fs during fork

%fs needs to be copied from parent to child during fork.

Tidied up some whitespace while I was here.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/include/asm-um/processor-x86_64.h b/include/asm-um/processor-x86_64.h
index d946bf2d33..e50933175e 100644
--- a/include/asm-um/processor-x86_64.h
+++ b/include/asm-um/processor-x86_64.h
@@ -26,7 +26,7 @@ static inline void rep_nop(void)
 #define cpu_relax()   rep_nop()
 
 #define INIT_ARCH_THREAD { .debugregs  		= { [ 0 ... 7 ] = 0 }, \
-                           .debugregs_seq	= 0,			       \
+			   .debugregs_seq	= 0, \
 			   .fs			= 0, \
 			   .faultinfo		= { 0, 0, 0 } }
 
@@ -37,6 +37,7 @@ static inline void arch_flush_thread(struct arch_thread *thread)
 static inline void arch_copy_thread(struct arch_thread *from,
                                     struct arch_thread *to)
 {
+	to->fs = from->fs;
 }
 
 #include "asm/arch/user.h"