From: Nicholas Miell <nmiell@comcast.net>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Albert Cahalan <acahalan@gmail.com>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: JIT emulator needs
Date: Fri, 08 Jun 2007 09:35:59 -0700 [thread overview]
Message-ID: <1181320559.2794.4.camel@entropy> (raw)
In-Reply-To: <20070608121059.4efcd338@the-village.bc.nu>
On Fri, 2007-06-08 at 12:10 +0100, Alan Cox wrote:
> > e. mremap() flag to get a read/write mapping of a read/exec one
> > f. mremap() flag to get a read/exec mapping of a read/write one
> > g. mremap() flag to make the 5th arg (new addr) be the upper limit
>
> This is all mprotect and munmap.
I think he's asking for a way to copy an existing mapping, which does
sound genuinely useful. (i.e. mremap(ptr, size, size, MREMAP_COPY), with
no need to mess with files to get multiple mappings of the same region)
--
Nicholas Miell <nmiell@comcast.net>
next prev parent reply other threads:[~2007-06-08 16:36 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-08 6:35 JIT emulator needs Albert Cahalan
2007-06-08 7:09 ` Eric Dumazet
2007-06-09 4:12 ` Albert Cahalan
2007-06-08 11:10 ` Alan Cox
2007-06-08 16:35 ` Nicholas Miell [this message]
2007-06-09 5:17 ` Albert Cahalan
2007-06-09 20:00 ` H. Peter Anvin
2007-06-19 15:08 ` William Lee Irwin III
2007-06-20 3:16 ` Albert Cahalan
2007-06-20 16:01 ` William Lee Irwin III
2007-06-20 16:37 ` H. Peter Anvin
2007-06-20 17:54 ` William Lee Irwin III
2007-06-20 18:23 ` H. Peter Anvin
2007-06-20 18:25 ` Albert Cahalan
2007-06-20 18:51 ` H. Peter Anvin
2007-06-21 3:21 ` Albert Cahalan
2007-06-21 3:32 ` H. Peter Anvin
2007-06-21 7:38 ` Albert Cahalan
2007-06-20 18:43 ` Albert Cahalan
2007-06-23 3:52 ` Kyle Moffett
2007-06-24 4:14 ` William Lee Irwin III
2007-06-21 17:44 ` Arjan van de Ven
2007-06-22 5:56 ` Albert Cahalan
2007-06-22 13:43 ` Arjan van de Ven
2007-06-22 14:32 ` Albert Cahalan
2007-06-22 14:42 ` Arjan van de Ven
2007-06-23 2:30 ` Albert Cahalan
[not found] <8tGiE-2Hv-1@gated-at.bofh.it>
[not found] ` <8xNvm-2Tw-29@gated-at.bofh.it>
[not found] ` <8xYTM-3So-13@gated-at.bofh.it>
2007-06-21 11:08 ` Bodo Eggert
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