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From:	Arnaud Patard <apatard@mandriva.com>
To:	wuzhangjin@gmail.com
Cc:	linux-mips@linux-mips.org, Ralf Baechle <ralf@linux-mips.org>,
	Wu Zhangjin <wuzj@lemote.com>, Yan Hua <yanh@lemote.com>,
	Philippe Vachon <philippe@cowpig.ca>,
	Zhang Le <r0bertz@gentoo.org>,
	Zhang Fuxin <zhangfx@lemote.com>,
	loongson-dev <loongson-dev@googlegroups.com>,
	Nicholas Mc Guire <der.herr@hofr.at>,
	Liu Junliang <liujl@lemote.com>,
	Erwan Lerale <erwan@thiscow.com>
Subject: Re: [loongson-PATCH-v2 23/23] Hibernation Support in mips system
References: <cover.1243362545.git.wuzj@lemote.com>
	<1483a7cb0f587bd329ea3ca8d3af2881afadaf5e.1243362545.git.wuzj@lemote.com>
Organization: Mandriva
Date:	Wed, 27 May 2009 11:51:11 +0200
In-Reply-To: <1483a7cb0f587bd329ea3ca8d3af2881afadaf5e.1243362545.git.wuzj@lemote.com> (wuzhangjin@gmail.com's message of "Wed, 27 May 2009 03:10:05 +0800")
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wuzhangjin@gmail.com writes:

Hi,

[...]

> +LEAF(swsusp_arch_resume)
> +	PTR_L t0, restore_pblist
> +0:
> +	PTR_L t1, PBE_ADDRESS(t0)   /* source */
> +	PTR_L t2, PBE_ORIG_ADDRESS(t0) /* destination */
> +	PTR_ADDIU t3, t1, _PAGE_SIZE
> +1:
> +	REG_L t8, (t1)
> +	REG_S t8, (t2)
> +	PTR_ADDIU t1, t1, SZREG
> +	PTR_ADDIU t2, t2, SZREG
> +	bne t1, t3, 1b
> +	PTR_L t0, PBE_NEXT(t0)
> +	bnez t0, 0b

you really need to flush cache/tlb here. If you don't do that you'll get
some weird bugs.


Arnaud