From: Paul Mackerras <paulus@samba.org>
To: Andrew Morton <akpm@osdl.org>
Cc: Kyle McMartin <kyle@parisc-linux.org>,
torvalds@osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Generic is_compat_task helper
Date: Fri, 17 Feb 2006 16:58:46 +1100 [thread overview]
Message-ID: <17397.26134.234593.858037@cargo.ozlabs.ibm.com> (raw)
In-Reply-To: <20060216214939.78aebcbb.akpm@osdl.org>
Andrew Morton writes:
> What continues to bug me about this (in a high-level hand-wavy sort of way)
> is that this is an attribute of the mm_struct, not of the task_struct.
It's not only an attribute of the mm_struct; compat-ness doesn't just
imply a restricted address space, it implies a different setting of
the processor when the task is running, a different set of system
calls, different interpretation of syscall arguments, etc.
Paul.
next prev parent reply other threads:[~2006-02-17 6:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-17 2:52 Kyle McMartin
2006-02-17 5:49 ` Andrew Morton
2006-02-17 5:58 ` Paul Mackerras [this message]
2006-02-17 6:01 ` Stephen Rothwell
2006-02-17 7:03 ` David S. Miller
2006-02-17 7:45 ` Issue in using more number of devices with BFS setup in AS4 Srikanth Venkataraman
2006-02-17 14:11 ` [PATCH] Generic is_compat_task helper Kyle McMartin
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