linux-kernel - Re: uml: sigprocmask fix

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Message-ID: <20090122162042.GH9732@hack.private>
Date:	Fri, 23 Jan 2009 00:20:42 +0800
From:	Américo Wang <xiyou.wangcong@...il.com>
To:	Shane Hathaway <shane@...hawaymix.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: uml: sigprocmask fix

On Mon, Jan 19, 2009 at 06:18:01PM -0700, Shane Hathaway wrote:
>I just ran into the same issue described here:
>
>http://lkml.org/lkml/2009/1/15/194
>
>Like Americo Wang, my user mode linux compile failed when attempting to
>link ".tmp_vmlinux".  However, his patch is probably wrong.  The problem
>is that the name "sigprocmask" is getting renamed to
>"kernel_sigprocmask" by a compiler directive in arch/um/Makefile, then
>that name gets mangled into "sys_kernel_sigprocmask" by the
>SYSCALL_DEFINE3(sigprocmask, ...) macro in kernel/signal.c.


Hmmm, I found this, but note that replacing sigprocmask with
kernel_sigprocmask is done by strip, that should be after compiling.
But macros are processed before compiling.

Am I missing something?

Thanks.

-- 
"Against stupidity, the gods themselves, contend in vain."

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