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From: Andi Kleen <andi@firstfloor.org>
To: Huang Ying <ying.huang@intel.com>
Cc: Len Brown <lenb@kernel.org>,
	linux-kernel@vger.kernel.org, Andi Kleen <andi@firstfloor.org>,
	linux-acpi@vger.kernel.org,
	Jin Dongming <jin.dongming@np.css.fujitsu.com>
Subject: Re: [PATCH 2/5] ACPI, APEI, Fix acpi_pre_map() return value
Date: Tue, 21 Sep 2010 14:47:46 +0200	[thread overview]
Message-ID: <20100921124746.GF18991@one.firstfloor.org> (raw)
In-Reply-To: <1284865235-29920-3-git-send-email-ying.huang@intel.com>

On Sun, Sep 19, 2010 at 11:00:32AM +0800, Huang Ying wrote:
> From: Jin Dongming <jin.dongming@np.css.fujitsu.com>
> 
> After we ioremap() a new region, we call __acpi_try_ioremap() to
> see whether another thread has already mapped the same region.
> This check clobbers "vaddr",  so compute the return value of
> acpi_pre_map() using the ioremap() result "map->vaddr" instead.
> 
> v2:
>     Modified the unsuitable description of patch.
> 
> v3:
>     Removed unlikely() check and made description simpler.

Reviewed-by: Andi Kleen <ak@linux.intel.com>

-Andi

  reply	other threads:[~2010-09-21 12:47 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-19  3:00 [PATCH 0/5] ACPI, APEI, BUG fixes for 2.6.36 Huang Ying
2010-09-19  3:00 ` [PATCH 1/5] ACPI, APEI, Fix APEI related table size checking Huang Ying
2010-09-21 12:39   ` Andi Kleen
2010-09-26  5:30     ` Huang Ying
2010-09-19  3:00 ` [PATCH 2/5] ACPI, APEI, Fix acpi_pre_map() return value Huang Ying
2010-09-21 12:47   ` Andi Kleen [this message]
2010-09-19  3:00 ` [PATCH 3/5] ACPI, APEI, HEST Fix the unsuitable usage of platform_data Huang Ying
2010-09-21 12:43   ` Andi Kleen
2010-09-22  1:05     ` Jin Dongming
2010-09-23  9:06     ` huang ying
2010-09-19  3:00 ` [PATCH 4/5] ACPI, APEI, Fix error path for memory allocation Huang Ying
2010-09-21 12:45   ` Andi Kleen
2010-09-23  8:53     ` huang ying
2010-09-19  3:00 ` [PATCH 5/5] ACPI, APEI, Fix ERST MOVE_DATA instruction implementation Huang Ying
2010-09-21 12:47   ` Andi Kleen
2010-09-23  9:04     ` huang ying
2010-09-27  5:31       ` Andi Kleen

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