From: Linus Torvalds <torvalds@linux-foundation.org>
To: Fenghua Yu <fenghua.yu@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>,
David Woodhouse <dwmw2@infradead.org>,
Stephen Rothwell <sfr@canb.auug.org.au>,
'iommu@lists.linux-foundation.org',
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Suspend and Resume Support for Intel IOMMU
Date: Wed, 18 Feb 2009 09:12:34 -0800 (PST) [thread overview]
Message-ID: <alpine.LFD.2.00.0902180910160.21686@localhost.localdomain> (raw)
In-Reply-To: <20090218165633.GA20167@linux-os.sc.intel.com>
On Wed, 18 Feb 2009, Fenghua Yu wrote:
>
> +static int vtd_enabled;
..
> +static int iommu_resume(struct sys_device *dev)
> +{
..
> + if (!vtd_enabled)
> + return 0;
Hmm. Why do this?
Wouldn't it be much more logical to only register the iommu_sysdev if the
thing is enabled, rather than having an odd flag that gets tested at
runtime?
Linus
next prev parent reply other threads:[~2009-02-18 17:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-18 16:56 Fenghua Yu
2009-02-18 17:12 ` Linus Torvalds [this message]
2009-02-18 17:19 ` Ingo Molnar
2009-02-18 17:28 ` Yu, Fenghua
2009-03-25 16:06 ` David Woodhouse
2009-02-18 17:44 ` Ingo Molnar
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