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Re: RM7k cache_flush_sigtramp

To: Fuxin Zhang <>
Subject: Re: RM7k cache_flush_sigtramp
From: Ralf Baechle <>
Date: Thu, 7 Aug 2003 00:30:09 +0200
Cc: Adam Kiepul <>, MAKE FUN PRANK CALLS <>
In-reply-to: <>
Original-recipient: rfc822;
References: <9DFF23E1E33391449FDC324526D1F259017DF091@SJC1EXM02> <> <> <> <> <>
User-agent: Mutt/1.4.1i
On Wed, Aug 06, 2003 at 11:04:19PM +0800, Fuxin Zhang wrote:

> After cache rewrite,flush_page_to_ram is null; and in this case 
> flush_cache_page
> do nothing for a stack page. (It flushes only when has_dc_aliases or 
> exec set).
> So  the  one use  the new copy will  have problem ?!  Am I missing 
> something?

The stack page contains the trampoline so it must be marked executable,
so on an RM7000 flush_dcache_page must flush both the D-cache and


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