From: David Mosberger <davidm@hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: [Linux-ia64] heads up: data will soon be non-executable by default
Date: Tue, 12 Feb 2002 06:12:32 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590698806037@msgid-missing> (raw)
Just as a heads up: Linus accepted the patch to make the default
rights on a data page (stack and heap) architecture dependent. I'm
planning to turn off execute permission on data and stack pages soon
(2.4.18 and 2.5.5, respectively); if you have any legitimate concern
about this, now is the time to speak up!
Once the default execute permissions are gone, we can get rid of the
lazy-execute bit code, which will obviate the need for an
ia64-specific page fault handler and speed up programs that do dynamic
code generation.
Thanks,
--david
reply other threads:[~2002-02-12 6:12 UTC|newest]
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