From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jack Steiner Date: Sat, 10 May 2003 02:39:54 +0000 Subject: Re: [Linux-ia64] Re: [PATCH] head.S fix for unusual load addrs Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org > > >>>>> On Fri, 9 May 2003 15:02:47 -0500 (CDT), Jack Steiner said: > > >> Would there be a downside to this on SGI's machines? > > Jack> I dont see any significant problems. It actually seems easy. > > Good. > > Jack> I think we still need to use __tpa() for addresses assigned by > Jack> the loader. The standard __pa() macros wont work in region 5. > > That's why I don't mind: nobody can use __pa() on region 5 anyhow, so > using something different (page table walk or __tpa()) is OK. I was > real uneasy with having a "magic" address range inside region 7, where > __pa() wouldn't work. But in region 5, no problem. > > It might be good to call __tpa() something different: it's too close > to __pa() and the difference may easily be overlooked. For example, > ia64_tpa() would make it obvious that we're talking about an ia64 > instruction. Seems reasonable..... > > --david > > _______________________________________________ > Linux-IA64 mailing list > Linux-IA64@linuxia64.org > http://lists.linuxia64.org/lists/listinfo/linux-ia64 > -- Thanks Jack Steiner (651-683-5302) (vnet 233-5302) steiner@sgi.com