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[Xen-devel] [PATCH] x86: remove pointless dom0 check

from [Jan Beulich]

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Subject:	[Xen-devel] [PATCH] x86: remove pointless dom0 check
From:	"Jan Beulich" <jbeulich@xxxxxxxxxx>
Date:	Thu, 08 Jan 2009 10:53:35 +0000
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This check is redundant with a check a few dozen lines up resulting in
a panic().

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

--- 2009-01-08.orig/xen/arch/x86/domain_build.c 2008-12-22 14:49:00.000000000 
+0100
+++ 2009-01-08/xen/arch/x86/domain_build.c      2009-01-08 10:56:13.000000000 
+0100
@@ -430,14 +430,6 @@ int __init construct_dom0(
            _p(v_start), _p(v_end));
     printk(" ENTRY ADDRESS: %p\n", _p(parms.virt_entry));
 
-    if ( ((v_end - v_start)>>PAGE_SHIFT) > nr_pages )
-    {
-        printk("Initial guest OS requires too much space\n"
-               "(%luMB is greater than %luMB limit)\n",
-               (v_end-v_start)>>20, nr_pages>>(20-PAGE_SHIFT));
-        return -ENOMEM;
-    }
-
     mpt_alloc = (vpt_start - v_start) +
         (unsigned long)pfn_to_paddr(alloc_spfn);
 




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