* [PATCH] fix-multiple-vmxon.patch
@ 2005-04-21 0:01 Arun Sharma
0 siblings, 0 replies; 2+ messages in thread
From: Arun Sharma @ 2005-04-21 0:01 UTC (permalink / raw)
To: Ian Pratt, Keir Fraser; +Cc: xen-devel
__vmxon() is called twice for the boot cpu, because identify_cpu() is called
twice. This patch ensures that identify_cpu() and hence __vmxon() is called
exactly once for the boot CPU on SMP.
Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Signed-off-by: Arun Sharma <arun.sharma@intel.com>
diff -puN arch/x86/smpboot.c~fix-multiple-vmxon arch/x86/smpboot.c
--- xen/arch/x86/smpboot.c~fix-multiple-vmxon 2005-04-11 08:52:26.293486000 -0700
+++ xen-askeshav/arch/x86/smpboot.c 2005-04-11 08:58:58.513486000 -0700
@@ -114,7 +114,8 @@ void __init smp_alloc_memory(void)
void __init smp_store_cpu_info(int id)
{
cpu_data[id] = boot_cpu_data;
- identify_cpu(&cpu_data[id]);
+ if (id != 0)
+ identify_cpu(&cpu_data[id]);
}
/*
_
^ permalink raw reply [flat|nested] 2+ messages in thread[parent not found: <mailman.1114041406.25371@unix-os.sc.intel.com>]
* Re: [PATCH] fix-multiple-vmxon.patch [not found] <mailman.1114041406.25371@unix-os.sc.intel.com> @ 2005-04-21 0:59 ` Arun Sharma 0 siblings, 0 replies; 2+ messages in thread From: Arun Sharma @ 2005-04-21 0:59 UTC (permalink / raw) To: Xen-devel [-- Attachment #1: Type: text/plain, Size: 279 bytes --] On 4/20/2005 5:01 PM, Arun Sharma wrote: > --- xen/arch/x86/smpboot.c~fix-multiple-vmxon 2005-04-11 08:52:26.293486000 -0700 > +++ xen-askeshav/arch/x86/smpboot.c 2005-04-11 08:58:58.513486000 -0700 The patch doesn't apply with -p1. The attached patch should be better. -Arun [-- Attachment #2: fix-multiple-vmxon.patch --] [-- Type: text/plain, Size: 638 bytes --] __vmxon() is called twice for the boot cpu, because identify_cpu() is called twice. This patch ensures that identify_cpu() and hence __vmxon() is called exactly once for the boot CPU. Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> --- a/xen/arch/x86/smpboot.c~fix-multiple-vmxon 2005-04-11 08:52:26.293486000 -0700 +++ b/xen/arch/x86/smpboot.c 2005-04-11 08:58:58.513486000 -0700 @@ -114,7 +114,8 @@ void __init smp_alloc_memory(void) void __init smp_store_cpu_info(int id) { cpu_data[id] = boot_cpu_data; - identify_cpu(&cpu_data[id]); + if (id != 0) + identify_cpu(&cpu_data[id]); } /* _ [-- Attachment #3: Type: text/plain, Size: 138 bytes --] _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel ^ permalink raw reply [flat|nested] 2+ messages in thread
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2005-04-21 0:01 [PATCH] fix-multiple-vmxon.patch Arun Sharma
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2005-04-21 0:59 ` Arun Sharma
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