From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zhai, Edwin" Subject: [PATCH][HVM] fix save/restore on 64b HV Date: Tue, 23 Jan 2007 23:14:33 +0800 Message-ID: <20070123151433.GA30643@edwin-gen.sh.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Ian Pratt , Keir Fraser , Tim Deegan Cc: xen-devel@lists.xensource.com, edwin.zhai@intel.com List-Id: xen-devel@lists.xenproject.org [PATCH][HVM] fix save/restore on 64b HV Signed-off-by: Zhai Edwin enable hvm_ctxt ops for compat mode to fix HVM save/restore on 64b HV diff -r b75af612851c xen/arch/x86/domctl.c --- a/xen/arch/x86/domctl.c Mon Jan 22 17:31:15 2007 +0000 +++ b/xen/arch/x86/domctl.c Tue Jan 23 22:00:11 2007 +0800 @@ -311,12 +311,16 @@ _long arch_do_domctl( ret = -EFAULT; -#ifndef CONFIG_COMPAT +#ifndef COMPAT if ( copy_from_guest(c, domctl->u.hvmcontext.ctxt, 1) != 0 ) +#else + if ( copy_from_guest(c, + compat_handle_cast(domctl->u.hvmcontext.ctxt, void), + 1) != 0 ) +#endif goto sethvmcontext_out; ret = arch_sethvm_ctxt(v, c); -#endif xfree(c); @@ -350,12 +354,16 @@ _long arch_do_domctl( if (arch_gethvm_ctxt(v, c) == -1) ret = -EFAULT; -#ifndef CONFIG_COMPAT +#ifndef COMPAT if ( copy_to_guest(domctl->u.hvmcontext.ctxt, c, 1) ) +#else + if ( copy_to_guest(compat_handle_cast(domctl->u.hvmcontext.ctxt, + void), + c, 1) ) ret = -EFAULT; +#endif xfree(c); -#endif if ( copy_to_guest(u_domctl, domctl, 1) ) ret = -EFAULT;