From: Randy Dunlap <randy.dunlap@oracle.com>
To: mgross@linux.intel.com
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH]intel-iommu batched iotlb flushes
Date: Tue, 12 Feb 2008 12:21:08 -0800 [thread overview]
Message-ID: <47B1FFB4.7010904@oracle.com> (raw)
In-Reply-To: <20080212195532.GA29132@linux.intel.com>
> Index: linux-2.6.24-mm1/Documentation/kernel-parameters.txt
> ===================================================================
> --- linux-2.6.24-mm1.orig/Documentation/kernel-parameters.txt 2008-02-12 07:12:06.000000000 -0800
> +++ linux-2.6.24-mm1/Documentation/kernel-parameters.txt 2008-02-12 11:36:07.000000000 -0800
> @@ -822,6 +822,10 @@
> than 32 bit addressing. The default is to look
> for translation below 32 bit and if not available
> then look in the higher range.
> + strict [Default Off]
> + With this option on every umap_signle operation will
umap_signle ??? (again)
> + result in a hardware IOTLB flush operation as opposed
> + to batching them for performance.
>
> io_delay= [X86-32,X86-64] I/O delay method
> 0x80
--
~Randy
WARNING: multiple messages have this Message-ID (diff)
From: Randy Dunlap <randy.dunlap@oracle.com>
To: mgross@linux.intel.com
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH]intel-iommu batched iotlb flushes
Date: Tue, 12 Feb 2008 12:21:08 -0800 [thread overview]
Message-ID: <47B1FFB4.7010904@oracle.com> (raw)
In-Reply-To: <20080212195532.GA29132@linux.intel.com>
> Index: linux-2.6.24-mm1/Documentation/kernel-parameters.txt
> ===================================================================
> --- linux-2.6.24-mm1.orig/Documentation/kernel-parameters.txt 2008-02-12 07:12:06.000000000 -0800
> +++ linux-2.6.24-mm1/Documentation/kernel-parameters.txt 2008-02-12 11:36:07.000000000 -0800
> @@ -822,6 +822,10 @@
> than 32 bit addressing. The default is to look
> for translation below 32 bit and if not available
> then look in the higher range.
> + strict [Default Off]
> + With this option on every umap_signle operation will
umap_signle ??? (again)
> + result in a hardware IOTLB flush operation as opposed
> + to batching them for performance.
>
> io_delay= [X86-32,X86-64] I/O delay method
> 0x80
--
~Randy
--
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next prev parent reply other threads:[~2008-02-12 20:26 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-11 22:41 [PATCH]intel-iommu batched iotlb flushes mark gross
2008-02-11 22:41 ` mark gross
2008-02-11 23:27 ` Randy Dunlap
2008-02-11 23:27 ` Randy Dunlap
2008-02-12 16:05 ` mark gross
2008-02-12 16:05 ` mark gross
2008-02-12 16:34 ` Randy Dunlap
2008-02-12 16:34 ` Randy Dunlap
2008-02-12 19:55 ` mark gross
2008-02-12 19:55 ` mark gross
2008-02-12 20:21 ` Randy Dunlap [this message]
2008-02-12 20:21 ` Randy Dunlap
2008-02-13 18:10 ` mark gross
2008-02-13 18:10 ` mark gross
2008-02-13 18:23 ` Randy Dunlap
2008-02-13 18:23 ` Randy Dunlap
2008-02-13 19:35 ` mark gross
2008-02-13 19:35 ` mark gross
2008-02-12 8:52 ` Muli Ben-Yehuda
2008-02-12 8:52 ` Muli Ben-Yehuda
2008-02-12 9:00 ` David Miller
2008-02-12 9:00 ` David Miller, Muli Ben-Yehuda
2008-02-12 9:07 ` Muli Ben-Yehuda
2008-02-12 9:07 ` Muli Ben-Yehuda
2008-02-12 15:54 ` mark gross
2008-02-12 15:54 ` mark gross
2008-02-12 23:46 ` David Miller
2008-02-12 23:46 ` David Miller, mark gross
2008-02-13 18:31 ` mark gross
2008-02-13 18:31 ` mark gross
2008-02-12 15:37 ` mark gross
2008-02-12 15:37 ` mark gross
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