linux-kernel - Re: [PATCH RESEND 4/4] iommu/amd: No need to wait iommu completion if no dte irq entry change

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Message-ID: <20160920101438.GA3873@x1.redhat.com>
Date:   Tue, 20 Sep 2016 18:14:38 +0800
From:   Baoquan He <bhe@...hat.com>
To:     Joerg Roedel <joro@...tes.org>
Cc:     iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        dyoung@...hat.com, xlpang@...hat.com, Vincent.Wan@....com
Subject: Re: [PATCH RESEND 4/4] iommu/amd: No need to wait iommu completion
 if no dte irq entry change

On 09/20/16 at 11:56am, Joerg Roedel wrote:
> On Tue, Sep 20, 2016 at 09:05:34AM +0800, Baoquan He wrote:
> > This is a clean up. In get_irq_table() only if DTE entry is changed
> > iommu_completion_wait() need be called. Otherwise no need to do it.
> > 
> > Signed-off-by: Baoquan He <bhe@...hat.com>
> > ---
> >  drivers/iommu/amd_iommu.c | 6 +++---
> >  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> Applied, thanks.

Thanks!