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From: "Yinghai Lu" <yhlu.kernel@gmail.com>
To: "Suresh Siddha" <suresh.b.siddha@intel.com>
Cc: mingo@elte.hu, linux-kernel@vger.kernel.org,
	ebiederm@xmission.com, x86@kernel.org
Subject: Re: [patch] fix intr-remap with dyn_array/nr_irqs changes
Date: Tue, 19 Aug 2008 12:40:21 -0700	[thread overview]
Message-ID: <86802c440808191240t66ee67c1ub173c462025b6929@mail.gmail.com> (raw)
In-Reply-To: <20080819185441.GC1152@linux-os.sc.intel.com>

On Tue, Aug 19, 2008 at 11:54 AM, Suresh Siddha
<suresh.b.siddha@intel.com> wrote:
> I didn't find time to closely review the dyn_array/nr_irqs changes. But
> the appended patch is needed to fix the broken intr-remapping support on
> x86/tip
>
> And also, I don't see any locks used in to_irq_desc_with_new(). How are
> we handling the concurrent usage scenarios. And also, this code can use
> some cleanups (like the names, to_irq_desc_with_new()?) etc.
>
> thanks,
> suresh
> ---
>
> In irq_2_iommu_with_new() and set_irte_irq(), irq_desc or
> irq_2_iommu pointers may not be allocated. So use the routines which
> will allocate them if they are not already allocated.
>
> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>

i'm trying to rebase sparseirq to tip/x86/core.

will address your concern about lock after that.

Thanks

YH

      reply	other threads:[~2008-08-19 19:40 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-19 18:54 Suresh Siddha
2008-08-19 19:40 ` Yinghai Lu [this message]

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