[patch] emit more information on the emulation failure

["Kamble, Nitin A" <nitin.a.kamble-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>]

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Hi Avi,

Attached is a small patch to emit little bit more information when
emulcation reaches cannot_emulate:.


The patch looks fine to the scripts/checkpatch.pl. It show not look to
you in the DOS format, unless something in between us is changing the
format of the attachment.

Please comment/apply.
  
Thanks & Regards,
Nitin 
Open Source Technology Center, Intel Corporation.
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commit 4e368156a9d2e613b50278c73b12a84dda7adcd1
Author: Nitin A Kamble <nitin.a.kamble@intel.com>
Date:   Mon Jun 18 19:18:55 2007 -0700

    Printing more details when the x86 emulator fails to emulate.
    
    
    Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>

diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index a4a8481..59511c6 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -1350,7 +1350,8 @@ twobyte_special_insn:
 	goto writeback;
 
 cannot_emulate:
-	DPRINTF("Cannot emulate %02x\n", b);
+	DPRINTF("Cannot emulate %02x at 0x%lx:0x%lx\n",
+			b, ctxt->cs_base, ctxt->vcpi->rip);
 	return -1;
 }
 

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