| To: | Linux-MIPS <linux-mips@linux-mips.org> |
|---|---|
| Subject: | Re: [PATCH] TX49 has write buffer |
| From: | Sergei Shtylyov <sshtylyov@ru.mvista.com> |
| Date: | Sat, 19 Aug 2006 20:36:13 +0400 |
| Cc: | Ralf Baechle <ralf@linux-mips.org>, Manish Lachwani <mlachwani@mvista.com>, anemo@mba.ocn.ne.jp |
| In-reply-to: | <44E64687.7000704@ru.mvista.com> |
| Organization: | MontaVista Software Inc. |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <44E64687.7000704@ru.mvista.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Mozilla/5.0 (X11; U; Linux i686; rv:1.7.2) Gecko/20040803 |
Hello. Sergei Shtylyov wrote: TX49 CPUs have a write buffer, so we need to select CPU_HAS_WB -- otherwise all Toshiba RBTX49xx kernels fail to build. The uptimate reason is I think that <asm/system.h> doesn't include <asm/wbflush.h> if CONFIG_CPU_HAS_WB is undefined -- although, <asm/wbflush.h> handles this situation itself. Well, <asm/system.h> doesn't need the wbflush() macro in that case, so it's in his own right to not include that header... WBR, Sergei |
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