From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Randy.Dunlap" Subject: Re: Using pickaxe to track changed symbol CR4_FEATURES_ADDR Date: Mon, 5 Jun 2006 13:11:51 -0700 Organization: YPO4 Message-ID: <20060605131151.b8878c7c.rdunlap@xenotime.net> References: <20060605102627.GB24346@cip.informatik.uni-erlangen.de> <7v8xob4bft.fsf@assigned-by-dhcp.cox.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: sithglan@stud.uni-erlangen.de, git@vger.kernel.org X-From: git-owner@vger.kernel.org Mon Jun 05 22:09:34 2006 Return-path: Envelope-to: gcvg-git@gmane.org Received: from vger.kernel.org ([209.132.176.167]) by ciao.gmane.org with esmtp (Exim 4.43) id 1FnLOD-0003Rq-Uj for gcvg-git@gmane.org; Mon, 05 Jun 2006 22:09:30 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751403AbWFEUJI (ORCPT ); Mon, 5 Jun 2006 16:09:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751404AbWFEUJI (ORCPT ); Mon, 5 Jun 2006 16:09:08 -0400 Received: from xenotime.net ([66.160.160.81]:43997 "HELO xenotime.net") by vger.kernel.org with SMTP id S1751403AbWFEUJH (ORCPT ); Mon, 5 Jun 2006 16:09:07 -0400 Received: from midway.site ([71.245.102.105]) by xenotime.net for ; Mon, 5 Jun 2006 13:09:02 -0700 To: Junio C Hamano In-Reply-To: <7v8xob4bft.fsf@assigned-by-dhcp.cox.net> X-Mailer: Sylpheed version 2.2.5 (GTK+ 2.8.3; x86_64-unknown-linux-gnu) Sender: git-owner@vger.kernel.org Precedence: bulk X-Mailing-List: git@vger.kernel.org Archived-At: On Mon, 05 Jun 2006 13:03:34 -0700 Junio C Hamano wrote: > Thomas Glanzmann writes: > > > I am looking for the symbol CR4_FEATURES_ADDR which must be gone in one > > of the last kernel revision. Now how I do use pickaxe to track any > > changes that involve my missing symbol? Or is there a better way to > > track that change down? > > None of the major recent versions seem to have the symbol. > > : gitster; git grep -e CR4_FEATURES_ADDR \ > v2.6.12-rc2 v2.6.12 v2.6.13 v2.6.14 v2.6.15 \ > v2.6.16 > > and I did not get any google hits for "CR4_FEATURES_ADDR". Are > you spelling it right? include/asm-i386/processor.h has names like: /* * Intel CPU features in CR4 */ #define X86_CR4_VME 0x0001 /* enable vm86 extensions */ #define X86_CR4_PVI 0x0002 /* virtual interrupts flag enable */ #define X86_CR4_TSD 0x0004 /* disable time stamp at ipl 3 */ #define X86_CR4_DE 0x0008 /* enable debugging extensions */ #define X86_CR4_PSE 0x0010 /* enable page size extensions */ #define X86_CR4_PAE 0x0020 /* enable physical address extensions */ #define X86_CR4_MCE 0x0040 /* Machine check enable */ #define X86_CR4_PGE 0x0080 /* enable global pages */ #define X86_CR4_PCE 0x0100 /* enable performance counters at ipl 3 */ #define X86_CR4_OSFXSR 0x0200 /* enable fast FPU save and restore */ #define X86_CR4_OSXMMEXCPT 0x0400 /* enable unmasked SSE exceptions */ extern unsigned long mmu_cr4_features; static inline void set_in_cr4 (unsigned long mask) { unsigned cr4; mmu_cr4_features |= mask; cr4 = read_cr4(); cr4 |= mask; write_cr4(cr4); } static inline void clear_in_cr4 (unsigned long mask) { unsigned cr4; mmu_cr4_features &= ~mask; cr4 = read_cr4(); cr4 &= ~mask; write_cr4(cr4); } but nothing exactly like you asked about. --- ~Randy