From: Arun Sharma <arun.sharma@intel.com>
To: Ian Pratt <Ian.Pratt@cl.cam.ac.uk>,
Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: xen-devel@lists.xensource.com
Subject: [PATCH][VT][14/15] VMX domains can have iopl!=0.
Date: Thu, 11 Aug 2005 12:25:21 -0700 [thread overview]
Message-ID: <20050811192521.GA15369@intel.com> (raw)
VMX domains can have iopl!=0.
Signed-off-by: Arun Sharma <arun.sharma@intel.com>
diff -r bbb21d688c7f -r b1a41c400d5c xen/arch/x86/dom0_ops.c
--- a/xen/arch/x86/dom0_ops.c Tue Aug 9 19:12:48 2005
+++ b/xen/arch/x86/dom0_ops.c Tue Aug 9 19:18:23 2005
@@ -405,7 +405,7 @@
memcpy(c, &v->arch.guest_context, sizeof(*c));
/* IOPL privileges are virtualised -- merge back into returned eflags. */
- BUG_ON((c->user_regs.eflags & EF_IOPL) != 0);
+ BUG_ON(((c->user_regs.eflags & EF_IOPL) != 0) && !(VMX_DOMAIN(v)));
c->user_regs.eflags |= v->arch.iopl << 12;
if ( VMX_DOMAIN(v) )
reply other threads:[~2005-08-11 19:25 UTC|newest]
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