[HVM][IPF][PATCH] A small fix about guest 3G memory

[HVM][IPF][PATCH] A small fix about guest 3G memory

[Xu, Anthony]

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When configuring more than 3G memory to VTI domain,
Sometimes it behaves weirdly.
This patch fixes this bug.


Signed-off-by, Anthony Xu < anthony.xu@intel.com >

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When configuring more than 3G memory to VTI domain,
Sometimes it behaves weirdly.
This patch fixes this bug.


Signed-off-by, Anthony Xu < anthony.xu@intel.com >


diff -r fe543184f7f9 tools/ioemu/vl.c
--- a/tools/ioemu/vl.c	Mon Nov 13 11:24:30 2006 -0700
+++ b/tools/ioemu/vl.c	Wed Nov 15 01:17:33 2006 +0800
@@ -6489,9 +6489,9 @@ int main(int argc, char **argv)
     }
 
     if (ram_size > MMIO_START) {	
-        for (i = 0 ; i < MEM_G >> PAGE_SHIFT; i++)
-            page_array[MMIO_START >> PAGE_SHIFT + i] =
-                page_array[IO_PAGE_START >> PAGE_SHIFT + 1];
+        for (i = 0 ; i < (MEM_G >> PAGE_SHIFT); i++)
+            page_array[(MMIO_START >> PAGE_SHIFT) + i] =
+                page_array[(IO_PAGE_START >> PAGE_SHIFT) + 1];
     }
 
     phys_ram_base = xc_map_foreign_batch(xc_handle, domid,

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Re: [HVM][IPF][PATCH] A small fix about guest 3G memory

[Aron Griffis]

Nice catch.

Xu, Anthony wrote:  [Tue Nov 14 2006, 03:30:59AM EST]
> -        for (i = 0 ; i < MEM_G >> PAGE_SHIFT; i++)
> -            page_array[MMIO_START >> PAGE_SHIFT + i] =
> -                page_array[IO_PAGE_START >> PAGE_SHIFT + 1];
> +        for (i = 0 ; i < (MEM_G >> PAGE_SHIFT); i++)
> +            page_array[(MMIO_START >> PAGE_SHIFT) + i] =
> +                page_array[(IO_PAGE_START >> PAGE_SHIFT) + 1];