From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 17 Feb 2010 20:37:14 +1100 From: Anton Blanchard To: Nick Piggin Subject: Re: [PATCH 1/6] powerpc: Use lwarx hint in spinlocks Message-ID: <20100217093714.GB24270@kryten> References: <20100210105728.GA3399@kryten> <20100211065617.GA6735@laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20100211065617.GA6735@laptop> Cc: linuxppc-dev@ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi Nick, > Cool. How does it go when there are significant amount of instructions > between the lock and the unlock? A real(ish) workload, like dbench on > ramdisk (which should hit the dcache lock). Good question, I'll see if we can see a difference on dbench. Anton