From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Tue, 15 Oct 2013 14:55:43 +1100 From: Anton Blanchard To: Paul Mackerras Subject: Re: [PATCH] powerpc: Use 32 bit loads and stores when operating on condition register values Message-ID: <20131015145543.736684c3@kryten> In-Reply-To: <20131015034206.GB17233@drongo> References: <20131015143631.1879607c@kryten> <20131015034206.GB17233@drongo> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: mikey@neuling.org, linuxppc-dev@lists.ozlabs.org, amodra@gmail.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi Paul, > Does this make any practical difference or fix any bugs, or is this > just for aesthetics? There is talk of the other 32 bits of that word being used for a stack canary in a future ABI revision. So right now it is just cosmetic, but it could be important in the future. I guess it could be an issue for kgdb since the CR will be in the wrong spot on BE. Anton