From: Thomas Gleixner <tglx@linutronix.de>
To: Joerg Roedel <joro@8bytes.org>
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
Joerg Roedel <jroedel@suse.de>
Subject: Re: [PATCH 1/2] iommu/amd: Add align parameter to alloc_irq_index()
Date: Sun, 8 Oct 2017 10:39:32 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.20.1710081038320.1922@nanos> (raw)
In-Reply-To: <1507289652-30166-2-git-send-email-joro@8bytes.org>
On Fri, 6 Oct 2017, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@suse.de>
>
> For multi-MSI IRQ ranges the IRQ index needs to be aligned
> to the power-of-two of the requested IRQ count. Extend the
> alloc_irq_index() function to allow such an allocation.
>
> Reported-by: Thomas Gleixner <tglx@linutronix.de>
> Fixes: 2b324506341cb ('iommu/amd: Add routines to manage irq remapping tables')
> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
next prev parent reply other threads:[~2017-10-08 8:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-06 11:34 [PATCH 0/2] iommu/amd: Correctly Align Multiple MSI IRQs Joerg Roedel
2017-10-06 11:34 ` [PATCH 1/2] iommu/amd: Add align parameter to alloc_irq_index() Joerg Roedel
2017-10-08 8:39 ` Thomas Gleixner [this message]
2017-10-06 11:34 ` [PATCH 2/2] iommu/amd: Enforce alignment for MSI IRQs Joerg Roedel
2017-10-08 8:40 ` Thomas Gleixner
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