From: Ralf Baechle <ralf@oss.sgi.com>
To: Carsten Langgaard <carstenl@mips.com>
Cc: linux-mips@oss.sgi.com
Subject: Re: sys_syscall patch.
Date: Mon, 24 Jun 2002 12:24:50 +0200 [thread overview]
Message-ID: <20020624122450.A25659@dea.linux-mips.net> (raw)
In-Reply-To: <3D16EF3C.BCCB020@mips.com>; from carstenl@mips.com on Mon, Jun 24, 2002 at 12:06:52PM +0200
On Mon, Jun 24, 2002 at 12:06:52PM +0200, Carsten Langgaard wrote:
>
> At least it makes my system work as well as for the 32-bit kernel.
What programs btw are using syscall()? To be honest I don't recall one ...
Looking more into it I found a nice showstopper - a few functions like
_sys_sigsuspend() expect a struct pt_regs on the stack. That's only
working if we call those functions directly from the exception handler.
It won't work if we have another function's stackframe - in this case
sys_syscall()'s there also ...
Ralf
next prev parent reply other threads:[~2002-06-24 10:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-24 9:07 sys_syscall patch Carsten Langgaard
2002-06-24 9:54 ` Ralf Baechle
2002-06-24 10:06 ` Carsten Langgaard
2002-06-24 10:24 ` Ralf Baechle [this message]
2002-06-24 10:46 ` Carsten Langgaard
2002-06-24 11:38 ` Maciej W. Rozycki
2002-06-24 11:45 ` Ralf Baechle
2002-06-24 14:49 ` Maciej W. Rozycki
2002-06-24 12:02 ` Kevin D. Kissell
2002-06-24 12:02 ` Kevin D. Kissell
2002-06-24 12:04 ` Ralf Baechle
2002-06-24 12:02 ` Ralf Baechle
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