[Xen-devel] [PATCH]: hvmloader: Don't busy-wait for keystrokes; wait for an interrupt instead

[Gianni Tedesco <gianni.tedesco@xxxxxxxxxx>]

Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Acked-by: Gianni Tedesco <gianni.tedesco@xxxxxxxxxx>

diff -r 024e2a4a27f6 tools/firmware/rombios/rombios.c
--- a/tools/firmware/rombios/rombios.c  Thu Nov 05 14:08:23 2009 +0000
+++ b/tools/firmware/rombios/rombios.c  Mon Nov 16 14:37:59 2009 +0000
@@ -11249,7 +11249,7 @@
   cmp  bx, 0x001c
   jne  int16_key_found
   sti
-  nop
+  hlt
 #if 0
                            /* no key yet, call int 15h, function AX=9002 */
   0x50,                    /* push AX */



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