From: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
To: blaisorblade@yahoo.it
Cc: jdike@addtoit.com, linux-kernel@vger.kernel.org,
user-mode-linux-devel@lists.sourceforge.net
Subject: [uml-devel] Re: [patch 4/4] uml: make it link in tt mode against NPTL glibc
Date: Fri, 27 May 2005 05:20:41 +0100 [thread overview]
Message-ID: <20050527042041.GC29811@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <20050527004024.606961AEE9A@zion.home.lan>
On Fri, May 27, 2005 at 02:40:24AM +0200, blaisorblade@yahoo.it wrote:
>
> To make sure switcheroo() can execute when we remap all the executable image,
> we used a trick to make it use a local copy of errno... this trick does not
> work with NPTL glibc, only with LinuxThreads, so use another (simpler) one to
> make it work anyway.
>
> Might need compile testing on different host archs, since it changes
> __syscall_return from <asm/unistd.h>.
For one thing, it's broken since mmap2() doesn't exist on amd64. This stuff
*is* low-level - as low-level as it gets. It's clearly per-architecture.
See ftp.linux.org.uk/pub/people/viro/UM14-unmap-RC12-rc4 for a fix...
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next prev parent reply other threads:[~2005-05-27 4:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-27 0:40 [uml-devel] [patch 4/4] uml: make it link in tt mode against NPTL glibc blaisorblade
2005-05-27 4:20 ` Al Viro [this message]
2005-05-28 11:38 ` [uml-devel] " Blaisorblade
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