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[Xen-devel] [PATCH] Don't put vide in .setup.init section

To: Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: [Xen-devel] [PATCH] Don't put vide in .setup.init section
From: Arun Sharma <arun.sharma@xxxxxxxxx>
Date: Wed, 24 Aug 2005 16:19:54 -0700
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
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[ Today's xen hung without output on the serial console for us. The
  seemingly harmless custom_param() in amd.c broke things on an Intel box :) ]

Don't put vide in .setup.init section

Also, it's safer to test for the case where param > __setup_end due to
some mysterious misalignment.

Signed-off-by: Jun Nakajima <jun.nakajima@xxxxxxxxx>
Signed-off-by: Arun Sharma <arun.sharma@xxxxxxxxx>

diff -r fa0754a9f64f -r e2025593f702 xen/arch/x86/cpu/amd.c
--- a/xen/arch/x86/cpu/amd.c    Wed Aug 24 20:29:21 2005
+++ b/xen/arch/x86/cpu/amd.c    Wed Aug 24 23:16:52 2005
@@ -39,7 +39,7 @@
  */
  
 extern void vide(void);
-__asm__(".align 4\nvide: ret");
+__asm__(".text\n.align 4\nvide: ret");
 
 static void __init init_amd(struct cpuinfo_x86 *c)
 {
diff -r fa0754a9f64f -r e2025593f702 xen/common/kernel.c
--- a/xen/common/kernel.c       Wed Aug 24 20:29:21 2005
+++ b/xen/common/kernel.c       Wed Aug 24 23:16:52 2005
@@ -46,7 +46,7 @@
         if ( optval != NULL )
             *optval++ = '\0';
 
-        for ( param = &__setup_start; param != &__setup_end; param++ )
+        for ( param = &__setup_start; param <= &__setup_end; param++ )
         {
             if ( strcmp(param->name, opt ) != 0 )
                 continue;

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