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From: David Daney <ddaney@avtrex.com>
To: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: ralf@linux-mips.org, linux-mips@linux-mips.org
Subject: Re: WAIT vs. tickless kernel
Date: Tue, 06 Nov 2007 07:58:46 -0800	[thread overview]
Message-ID: <47308F36.2070200@avtrex.com> (raw)
In-Reply-To: <20071107.003925.74752709.anemo@mba.ocn.ne.jp>

Atsushi Nemoto wrote:
> +LEAF(r4k_wait)
> +	.set	push
> +	.set	noreorder
> +	/* start of rollback region */
> +	LONG_L	t0, TI_FLAGS($28)
> +	nop
> +	andi	t0, _TIF_NEED_RESCHED
> +	bnez	t0, 1f
> +	 nop
> +	nop
> +	nop
> +	.set	mips3
> +	wait
> +	.set	mips0
> +	/* end of rollback region (the region size must be power of two) */
> +	.set	pop
>   

The .set mips0 is redundant as .set pop immediately follows.

David Daney

  reply	other threads:[~2007-11-06 15:59 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-31 15:49 WAIT vs. tickless kernel Atsushi Nemoto
2007-10-31 16:13 ` Ralf Baechle
2007-10-31 16:31   ` Atsushi Nemoto
2007-10-31 16:39     ` Ralf Baechle
2007-11-02 16:46       ` Atsushi Nemoto
2007-11-06 15:39         ` Atsushi Nemoto
2007-11-06 15:58           ` David Daney [this message]
2007-11-06 16:02             ` Atsushi Nemoto
2007-11-07 14:23           ` Atsushi Nemoto
2007-11-11 17:05           ` Atsushi Nemoto

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