[uml-devel] [RFC PATCH 1/9] SKAS4 - Fix x86_64 arch_copy_thread

[uml-devel] [RFC PATCH 1/9] SKAS4 - Fix x86_64 arch_copy_thread

[Jeff Dike]

Fix a bug which will be important later.  x86_64 copy_thread needs to
copy %fs from parent to child.

Got rid of some extraneous tabs while I was here.

Index: linux-2.6-skas4/include/asm-um/processor-x86_64.h
===================================================================
--- linux-2.6-skas4.orig/include/asm-um/processor-x86_64.h	2008-01-08 11:33:48.000000000 -0500
+++ linux-2.6-skas4/include/asm-um/processor-x86_64.h	2008-01-08 11:34:23.000000000 -0500
@@ -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(str
 static inline void arch_copy_thread(struct arch_thread *from,
                                     struct arch_thread *to)
 {
+	to->fs = from->fs;
 }
 
 #include "asm/arch/user.h"

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