From: Shane Hathaway <shane@hathawaymix.org>
To: "Américo Wang" <xiyou.wangcong@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: uml: sigprocmask fix
Date: Thu, 22 Jan 2009 13:15:57 -0700 [thread overview]
Message-ID: <4978D3FD.4050300@hathawaymix.org> (raw)
In-Reply-To: <20090122162042.GH9732@hack.private>
Américo Wang wrote:
> 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?
Probably not, but have you made progress in figuring out why others can
apparently successfully compile UML without patching sys_call_table.S at
all? That's the real mystery.
Shane
prev parent reply other threads:[~2009-01-22 20:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-20 1:18 uml: sigprocmask fix Shane Hathaway
2009-01-22 16:20 ` Américo Wang
2009-01-22 20:15 ` Shane Hathaway [this message]
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