[Xen-devel] [patch] auto-enable translated shadow mode ...

[Gerd Knorr <kraxel@xxxxxxx>]

... for dom0 if we know we'll need it.  This is the xen
counterpart to the previous xenlinux patch which adds this
info to the kernel.  Also adds some printk's.

  Gerd

Index: xen/arch/x86/domain_build.c
===================================================================
--- xen.orig/arch/x86/domain_build.c    2005-07-28 17:09:39.000000000 +0200
+++ xen/arch/x86/domain_build.c 2005-07-28 17:11:03.000000000 +0200
@@ -165,6 +165,8 @@ int construct_dom0(struct domain *d,
                xen_pae ? "yes" : "no", dom0_pae ? "yes" : "no");
         return -EINVAL;
     }
+    if (strstr(dsi.xen_section_string, "SHADOW=translate"))
+       opt_dom0_translate = 1;
 
     /* Align load address to 4MB boundary. */
     dsi.v_start &= ~((1UL<<22)-1);
@@ -620,11 +622,13 @@ int construct_dom0(struct domain *d,
 
     if ( opt_dom0_shadow || opt_dom0_translate )
     {
+       printk("dom0: shadow enable\n");
         shadow_mode_enable(d, (opt_dom0_translate
                                ? SHM_enable | SHM_refcounts | SHM_translate
                                : SHM_enable));
         if ( opt_dom0_translate )
         {
+           printk("dom0: shadow translate\n");
 #if defined(__i386__) && defined(CONFIG_X86_PAE)
             printk("FIXME: PAE code needed here: %s:%d (%s)\n",
                    __FILE__, __LINE__, __FUNCTION__);
@@ -657,6 +661,7 @@ int construct_dom0(struct domain *d,
         }
 
         update_pagetables(v); /* XXX SMP */
+       printk("dom0: shadow setup done\n");
     }
 
     return 0;

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