From: Ralf Baechle <ralf@linux-mips.org>
To: David Daney <david.s.daney@gmail.com>
Cc: Wu Zhangjin <wuzhangjin@gmail.com>,
linux-mips <linux-mips@linux-mips.org>
Subject: Re: [PATCH 9/9] tracing: MIPS: cleanup of the address space checking
Date: Thu, 13 May 2010 17:13:57 +0100 [thread overview]
Message-ID: <20100513161357.GA5810@linux-mips.org> (raw)
In-Reply-To: <4BEAE19D.40502@gmail.com>
On Wed, May 12, 2010 at 10:13:01AM -0700, David Daney wrote:
> The kernel is always compiled with -msym32, so the patch is a bit pointless.
Not quite true. Some systems only have enough memory for the exception
vectors in the low 512MB of physical address space, so these can't use
an -msym32 kernel.
My general impression is that hardware designers "design" address maps by
throwing darts over their shoulder after a few pints ;-)
Ralf
next prev parent reply other threads:[~2010-05-13 16:14 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-12 13:23 [PATCH v6 0/9] tracing: MIPS: add misc fixups and cleanups Wu Zhangjin
2010-05-12 13:23 ` [PATCH 1/9] tracing: MIPS: mcount.S: merge the same continuous #ifdefs Wu Zhangjin
2010-05-12 13:23 ` [PATCH 2/9] tracing: MIPS: mcount.S: Fixup of the 32bit support with gcc 4.5 Wu Zhangjin
2010-05-12 17:16 ` David Daney
2010-05-13 1:35 ` Wu Zhangjin
2010-05-12 13:23 ` [PATCH 3/9] tracing: MIPS: mcount.S: cleanup the arguments of prepare_ftrace_return Wu Zhangjin
2010-05-12 13:23 ` [PATCH 4/9] tracing: MIPS: mcount.S: cleanup of the comments Wu Zhangjin
2010-05-12 13:23 ` [PATCH 5/9] tracing: MIPS: Fixup of the 32bit support with -mmcount-ra-address Wu Zhangjin
2010-05-12 13:23 ` [PATCH 6/9] tracing: MIPS: cleanup of the instructions Wu Zhangjin
2010-05-12 13:23 ` [PATCH 7/9] tracing: MIPS: Reduce the overhead of dynamic Function Tracer Wu Zhangjin
2010-05-12 13:23 ` [PATCH 8/9] tracing: MIPS: cleanup of function graph tracer Wu Zhangjin
2010-05-12 13:23 ` [PATCH 9/9] tracing: MIPS: cleanup of the address space checking Wu Zhangjin
2010-05-12 17:13 ` David Daney
2010-05-13 2:19 ` Wu Zhangjin
2010-05-13 16:13 ` Ralf Baechle [this message]
2010-05-13 16:17 ` David Daney
-- strict thread matches above, loose matches on Subject: below --
2010-05-14 11:08 [PATCH v7 0/9] tracing: MIPS: add misc fixups and cleanups Wu Zhangjin
2010-05-14 11:08 ` [PATCH 9/9] tracing: MIPS: cleanup of the address space checking Wu Zhangjin
2010-05-27 11:28 ` Ralf Baechle
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