* [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
* 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 --]
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2005-04-21 0:59 ` [PATCH] fix-multiple-vmxon.patch Arun Sharma
2005-04-21 0:01 Arun Sharma
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