From: Ulrich Drepper <drepper@redhat.com>
To: Ian Pratt <m+Ian.Pratt@cl.cam.ac.uk>
Cc: xen-devel@lists.xensource.com
Subject: Re: Re: [Xen-changelog] Indirect hypercalls through ahypercall transfer page.
Date: Wed, 08 Feb 2006 17:15:17 -0800 [thread overview]
Message-ID: <43EA97A5.4020208@redhat.com> (raw)
In-Reply-To: <A95E2296287EAD4EB592B5DEEFCE0E9D40A60A@liverpoolst.ad.cl.cam.ac.uk>
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Ian Pratt wrote:
> The vsyscall
> page lives within the fixaddr region, and its virtual address needs to
> be known at *compile* time as it gets built into various elf objects.
That's not necessarily the case.
The FC x86 kernel has random vdso address support. I don't know why
this isn't also enabled for x86-64 but there is no real reason for that.
These are, after all, DSOs which need little fixup for a new location.
--
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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next prev parent reply other threads:[~2006-02-09 1:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-09 0:02 Re: [Xen-changelog] Indirect hypercalls through ahypercall transfer page Ian Pratt
2006-02-09 1:15 ` Ulrich Drepper [this message]
2006-02-09 1:21 ` Ulrich Drepper
-- strict thread matches above, loose matches on Subject: below --
2006-02-08 16:22 Ian Pratt
2006-02-08 17:04 ` Mike D. Day
2006-02-08 9:59 Ian Pratt
2006-02-08 15:46 ` Mike D. Day
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