From: Ralf Baechle <ralf@linux-mips.org>
To: Fuxin Zhang <fxzhang@ict.ac.cn>
Cc: Adam Kiepul <Adam_Kiepul@pmc-sierra.com>,
MAKE FUN PRANK CALLS <linux-mips@linux-mips.org>
Subject: Re: RM7k cache_flush_sigtramp
Date: Thu, 7 Aug 2003 00:30:09 +0200 [thread overview]
Message-ID: <20030806223009.GA2669@linux-mips.org> (raw)
In-Reply-To: <3F3118F3.1030001@ict.ac.cn>
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
I-cache.
Ralf
next prev parent reply other threads:[~2003-08-06 22:30 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-01 15:42 RM7k cache_flush_sigtramp Adam Kiepul
2003-08-04 3:38 ` Fuxin Zhang
2003-08-06 11:00 ` Fuxin Zhang
2003-08-06 11:55 ` Ralf Baechle
2003-08-06 12:52 ` Fuxin Zhang
2003-08-06 14:45 ` Ralf Baechle
2003-08-06 15:04 ` Fuxin Zhang
2003-08-06 22:30 ` Ralf Baechle [this message]
-- strict thread matches above, loose matches on Subject: below --
2003-07-31 16:50 Adam Kiepul
2003-08-01 0:40 ` Fuxin Zhang
2003-08-01 3:01 ` Ralf Baechle
2003-08-01 4:59 ` Fuxin Zhang
2003-08-01 7:51 ` Dominic Sweetman
2003-08-01 7:51 ` Dominic Sweetman
2003-08-01 9:26 ` Ralf Baechle
2003-08-01 14:18 ` Fuxin Zhang
2003-08-02 17:02 ` Ralf Baechle
2003-08-04 8:45 ` Dominic Sweetman
2003-08-04 11:51 ` Maciej W. Rozycki
2003-07-31 1:56 Fuxin Zhang
2003-07-31 11:46 ` Ralf Baechle
2003-07-31 12:57 ` Fuxin Zhang
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