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* [PATCH] svm: Re-enable 2MB super paging
@ 2010-10-19 15:38 Wei Wang2
  0 siblings, 0 replies; only message in thread
From: Wei Wang2 @ 2010-10-19 15:38 UTC (permalink / raw)
  To: xen-devel

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Bitwise OR operator has higher precedence than conditional operator. This 
patch fixes the incorrect associativity and re-enables 2MB paging for AMD 
family 10h system. 
Thanks,
Wei

Signed-off-by: Wei Wang <wei.wang2@amd.com>
Acked-by: Wei Huang <wei.huang2@amd.com>

Legal Information:
Advanced Micro Devices GmbH
Sitz: Dornach, Gemeinde Aschheim, 
Landkreis München Registergericht München, 
HRB Nr. 43632
Geschäftsführer:
Alberto Bozzo, Andrew Bowd

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diff -r 3a5755249361 xen/arch/x86/hvm/svm/svm.c
--- a/xen/arch/x86/hvm/svm/svm.c	Thu Oct 14 12:46:29 2010 +0100
+++ b/xen/arch/x86/hvm/svm/svm.c	Tue Oct 19 14:40:13 2010 +0200
@@ -904,8 +904,8 @@ struct hvm_function_table * __init start
 
     svm_function_table.hap_supported = cpu_has_svm_npt;
     svm_function_table.hap_capabilities = HVM_HAP_SUPERPAGE_2MB |
-        ((CONFIG_PAGING_LEVELS == 4) && (cpuid_edx(0x80000001) & 0x04000000)) ?
-            HVM_HAP_SUPERPAGE_1GB : 0;
+        (((CONFIG_PAGING_LEVELS == 4) && (cpuid_edx(0x80000001) & 0x04000000)) ?
+            HVM_HAP_SUPERPAGE_1GB : 0);
 
     return &svm_function_table;
 }

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2010-10-19 15:38 [PATCH] svm: Re-enable 2MB super paging Wei Wang2

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