linux-kernel - Re: [patch 0/4] Intel IOMMU Supspend/Resume Support

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-Id: <20090331042208.063501000@intel.com>
Date:	Mon, 30 Mar 2009 21:22:08 -0700
From:	fenghua.yu@...el.com
To:	Ingo Molnar <mingo@...e.hu>, David Woodhouse <dwmw2@...radead.org>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Andrew Lutomirski <amluto@...il.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Kyle McMartin <kyle@...hat.com>,
	Yinghai Lu <yinghai@...nel.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	IOMMU <iommu@...ts.linux-foundation.org>
Subject: Re: [patch 0/4] Intel IOMMU Supspend/Resume Support  

>>
>> The attached patch set implements the suspend and resume feature for
>Intel
>> IOMMU. It hooks to kernel suspend and resume interface. When suspend
>happens, itsaves necessary hardware registers. When resume happens, it
>restores the
>> registers and restarts IOMMU.
>>
>> This patch set can be applied on the tip tree.
>
>Looks good to me, apart from the fact that your #4 patch actually needs
>to come before #1. Shall I apply it to my iommu-2.6.git tree or let Ingo
>take it? If the latter,
>
>Acked-by: David Woodhouse <David.Woodhouse@...el.com>
>Acked-by: David Woodhouse <David.Woodhouse@...el.com>
>Acked-by: David Woodhouse <David.Woodhouse@...el.com>
>Acked-by: David Woodhouse <David.Woodhouse@...el.com>
>
>(if you look carefully, you'll see those are in order 4, 1, 2, 3)
>
>Have we tested this on IA64?

Since ia64 platforms don't support suspend/resume, the code won't take action onia64. But it still installs unused sys device interface.

I'll clean up the code for ia64 and re-send the patch set.

Thanks.

-Fenghua

-- 

--
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/