From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: [PATCH 3/3] KVM: x86 emulator: get rid of "restart" in emulation context. Date: Tue, 24 Aug 2010 17:06:10 +0300 Message-ID: <20100824140610.GE10499@redhat.com> References: <1282649455-9463-1-git-send-email-gleb@redhat.com> <1282649455-9463-3-git-send-email-gleb@redhat.com> <4C73C582.6050704@redhat.com> <20100824133754.GC10499@redhat.com> <4C73CBF6.1050809@redhat.com> <20100824135255.GD10499@redhat.com> <4C73D0A6.5000900@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: mtosatti@redhat.com, kvm@vger.kernel.org To: Avi Kivity Return-path: Received: from mx1.redhat.com ([209.132.183.28]:31682 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752521Ab0HXOGM (ORCPT ); Tue, 24 Aug 2010 10:06:12 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o7OE6BdM002381 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 24 Aug 2010 10:06:12 -0400 Content-Disposition: inline In-Reply-To: <4C73D0A6.5000900@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On Tue, Aug 24, 2010 at 05:01:10PM +0300, Avi Kivity wrote: > On 08/24/2010 04:52 PM, Gleb Natapov wrote: > > > >We can, of course. But for me it looks as arbitrary as -1/0/1 since not > >all enum values have meanings to the caller. > > Yeah. -1/0/1's problem is that between reading the callee code and > caller code, I manage to forget what the values mean. > Luckily we have only one caller of x86_emulate_insn(), so documenting return values right where function is called should help. :) -- Gleb.