linux-kernel - Re: [PATCH] intel-iommu: Add device info into list before doing context mapping

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Message-ID: <20111221184108.GB961@sequoia.sous-sol.org>
Date:	Wed, 21 Dec 2011 10:41:08 -0800
From:	Chris Wright <chrisw@...s-sol.org>
To:	"Hao, Xudong" <xudong.hao@...el.com>
Cc:	Chris Wright <chrisw@...s-sol.org>,
	"dwmw2@...radead.org" <dwmw2@...radead.org>,
	"iommu@...ts.linux-foundation.org" <iommu@...ts.linux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Zhang, Xiantao" <xiantao.zhang@...el.com>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>
Subject: Re: [PATCH] intel-iommu: Add device info into list before doing
 context mapping

* Hao, Xudong (xudong.hao@...el.com) wrote:
> Yes, Chris, thanks your comments.
> How about this one?

Yes, it gets the locking right.

Also makes host device and guest assigned device go through the same order:

alloc_devinfo and init
lock; place info on lists; unlock
domain_context_mapping()

The patch itself is whitespace damaged and does not apply.  Please fix
and feel free to add my:

Acked-by: Chris Wright <chrisw@...s-sol.org>
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