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From: Ralf Baechle <ralf@linux-mips.org>
To: Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de>
Cc: linux-mips@linux-mips.org
Subject: Re: [PATCH] Improve o32 syscall handling
Date: Mon, 22 Nov 2004 07:18:54 +0100	[thread overview]
Message-ID: <20041122061854.GA25433@linux-mips.org> (raw)
In-Reply-To: <20041121164557.GQ20986@rembrandt.csv.ica.uni-stuttgart.de>

On Sun, Nov 21, 2004 at 05:45:57PM +0100, Thiemo Seufer wrote:

> For the 64bit Kernel, it
>  - checks for unaligned user stack

Why bother, the unaligned exception handler should take care of this.

>  - also allows now up to 8 arguments

Quite frankly I'd prefer to see this being handle in userspace.  For o32
it's too late to go for that but for N32 / N64 we still may have a chance.

> -	LONG_L	a2, TI_FLAGS($28)	# current->work
> +	lw	a2, TI_FLAGS($28)	# current->work

Flags is a long variable.

  Ralf

  reply	other threads:[~2004-11-22  6:21 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-21 16:45 [PATCH] Improve o32 syscall handling Thiemo Seufer
2004-11-22  6:18 ` Ralf Baechle [this message]
2004-11-22  7:00   ` Thiemo Seufer
2004-11-22  7:13     ` Ralf Baechle
2004-11-22  9:37       ` Thiemo Seufer
2004-11-27  0:29         ` Thiemo Seufer
2004-11-23 12:47 ` Gleb O. Raiko

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