From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Date: Wed, 04 Nov 2009 08:43:46 +0000 Subject: Re: [PATCH 14/27] Add book3s_64 specific opcode emulation Message-Id: <200911040943.46617.arnd@arndb.de> List-Id: References: <1256917647-6200-1-git-send-email-agraf@suse.de> <280C9FF6-1C52-4856-9F60-15DA0659FC31@suse.de> <1257284313.7907.80.camel@pasglop> In-Reply-To: <1257284313.7907.80.camel@pasglop> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Benjamin Herrenschmidt Cc: Kevin Wolf , Hollis Blanchard , Marcelo Tosatti , Alexander Graf , kvm-ppc , linuxppc-dev@ozlabs.org, Avi Kivity , kvm@vger.kernel.org, bphilips@suse.de, Olof Johansson On Tuesday 03 November 2009, Benjamin Herrenschmidt wrote: > (Though glibc can be nasty, afaik it might load up optimized variants of > some routines with hard wired cache line sizes based on the CPU type) You can also get application with hand-coded cache optimizations that are even harder, if not impossible, to fix. Arnd <>< From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.186]) by ozlabs.org (Postfix) with ESMTP id 0F34DB7BC7 for ; Wed, 4 Nov 2009 19:43:59 +1100 (EST) From: Arnd Bergmann To: Benjamin Herrenschmidt Subject: Re: [PATCH 14/27] Add book3s_64 specific opcode emulation Date: Wed, 4 Nov 2009 09:43:46 +0100 References: <1256917647-6200-1-git-send-email-agraf@suse.de> <280C9FF6-1C52-4856-9F60-15DA0659FC31@suse.de> <1257284313.7907.80.camel@pasglop> In-Reply-To: <1257284313.7907.80.camel@pasglop> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Message-Id: <200911040943.46617.arnd@arndb.de> Cc: Kevin Wolf , Hollis Blanchard , Marcelo Tosatti , Alexander Graf , kvm-ppc , linuxppc-dev@ozlabs.org, Avi Kivity , kvm@vger.kernel.org, bphilips@suse.de, Olof Johansson List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tuesday 03 November 2009, Benjamin Herrenschmidt wrote: > (Though glibc can be nasty, afaik it might load up optimized variants of > some routines with hard wired cache line sizes based on the CPU type) You can also get application with hand-coded cache optimizations that are even harder, if not impossible, to fix. Arnd <><