linux-kernel - Re: [PATCH]intel-iommu batched iotlb flushes

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <47B335A6.3080806@oracle.com>
Date:	Wed, 13 Feb 2008 10:23:34 -0800
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	mgross@...ux.intel.com
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH]intel-iommu batched iotlb flushes

> 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_single operation will

so I'll ask one more time :(
Shouldn't this be "unmap_single" ?

> +			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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/