From mboxrd@z Thu Jan 1 00:00:00 1970 From: Masami Hiramatsu Subject: Re: [PATCH -tip v6 1/5] x86: instruction decorder API Date: Wed, 20 May 2009 18:48:02 -0400 Message-ID: <4A1488A2.30706@redhat.com> References: <20090520205758.25003.44632.stgit@localhost.localdomain> <20090520205805.25003.71314.stgit@localhost.localdomain> <40e92d5b0905201501i1548621xe1ee63aa88129a0@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: 8bit Cc: Ingo Molnar , Steven Rostedt , lkml , systemtap , kvm , DLE , Jim Keniston , "H. Peter Anvin" , Ananth N Mavinakayanahalli , Frederic Weisbecker , Andi Kleen , Vegard Nossum , Avi Kivity To: =?ISO-8859-2?Q?Przemys=B3aw_Pawe=B3czyk?= Return-path: In-Reply-To: <40e92d5b0905201501i1548621xe1ee63aa88129a0@mail.gmail.com> List-Unsubscribe: List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org List-Id: kvm.vger.kernel.org Przemysław Pawełczyk wrote: > On Wed, May 20, 2009 at 22:58, Masami Hiramatsu wrote: > >> Changes from v5: > >> - Use /usr/bin/env to find awk > > This is fine, but not in the below case. > >> --- /dev/null >> +++ b/arch/x86/scripts/gen-insn-attr-x86.awk >> @@ -0,0 +1,314 @@ >> +#!/usr/bin/env awk -f > > Depending on multi-argument shebang is IMO bad. In shebang generally > (but not in all systems) everything after interpreter part is treated > as the first argument. Therefore executing your gen-insn-attr-x86.awk > is equivalent to: > > /usr/bin/env 'awk -f' gen-insn-attr-x86.awk > > which is obviously wrong. Oops, right. Anyway, there is no reason that we make it executable because it's always called from Makefile. So, I think just removing that line is better way. Thank you, -- Masami Hiramatsu Software Engineer Hitachi Computer Products (America) Inc. Software Solutions Division e-mail: mhiramat@redhat.com