linux-kernel - Re: [PATCH 1/1] iommu/vt-d: Refactor find

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Message-ID: <20191015095242.GB14518@8bytes.org>
Date:   Tue, 15 Oct 2019 11:52:42 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Lu Baolu <baolu.lu@...ux.intel.com>
Cc:     David Woodhouse <dwmw2@...radead.org>, ashok.raj@...el.com,
        jacob.jun.pan@...el.com, kevin.tian@...el.com,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>
Subject: Re: [PATCH 1/1] iommu/vt-d: Refactor find_domain() helper

On Sat, Sep 21, 2019 at 03:06:44PM +0800, Lu Baolu wrote:
> Current find_domain() helper checks and does the deferred domain
> attachment and return the domain in use. This isn't always the
> use case for the callers. Some callers only want to retrieve the
> current domain in use.
> 
> This refactors find_domain() into two helpers: 1) find_domain()
> only returns the domain in use; 2) deferred_attach_domain() does
> the deferred domain attachment if required and return the domain
> in use.
> 
> Cc: Ashok Raj <ashok.raj@...el.com>
> Cc: Jacob Pan <jacob.jun.pan@...ux.intel.com>
> Cc: Kevin Tian <kevin.tian@...el.com>
> Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
> ---
>  drivers/iommu/intel-iommu.c | 31 ++++++++++++++++++-------------
>  1 file changed, 18 insertions(+), 13 deletions(-)

Applied, thanks.