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
next prev parent 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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