Mailing List Archive

# HG changeset patch
# User kaf24@firebug.cl.cam.ac.uk
# Node ID 1fd8bd3591183c55d234c2588679358aec0109ba
# Parent 0fd84f16810364e0963106e16dd0d5ee6c17ed69
Fix PAE overflow in xc_linux_build.
Signed-off-by: srparish@us.ibm.com

diff -r 0fd84f168103 -r 1fd8bd359118 tools/libxc/xc_linux_build.c
--- a/tools/libxc/xc_linux_build.c Wed Oct 12 08:29:52 2005
+++ b/tools/libxc/xc_linux_build.c Wed Oct 12 08:31:53 2005
@@ -500,11 +500,11 @@
_p(dsi.v_start), _p(v_end));
printf(" ENTRY ADDRESS: %p\n", _p(dsi.v_kernentry));

- if ( (v_end - dsi.v_start) > (nr_pages * PAGE_SIZE) )
- {
- PERROR("Initial guest OS requires too much space\n"
+ if ( ((v_end - dsi.v_start)>>PAGE_SHIFT) > nr_pages )
+ {
+ printf("Initial guest OS requires too much space\n"
"(%luMB is greater than %luMB limit)\n",
- (v_end-dsi.v_start)>>20, (nr_pages<<PAGE_SHIFT)>>20);
+ (v_end-dsi.v_start)>>20, nr_pages>>(20-PAGE_SHIFT));
goto error_out;
}


_______________________________________________
Xen-changelog mailing list
Xen-changelog@lists.xensource.com
http://lists.xensource.com/xen-changelog