linux-kernel - Re: [PATCH 1/8] iommu/vt-d: Clean up unused PASID updating functions

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Date:   Thu, 30 Sep 2021 00:40:28 +0000
From:   Fenghua Yu <fenghua.yu@...el.com>
To:     Lu Baolu <baolu.lu@...ux.intel.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...nel.org>,
        Dave Hansen <dave.hansen@...el.com>,
        Tony Luck <tony.luck@...el.com>,
        Joerg Roedel <joro@...tes.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Jacob Jun Pan <jacob.jun.pan@...el.com>,
        Ashok Raj <ashok.raj@...el.com>,
        Ravi V Shankar <ravi.v.shankar@...el.com>,
        iommu@...ts.linux-foundation.org, x86 <x86@...nel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/8] iommu/vt-d: Clean up unused PASID updating functions

Hi, Baolu,

On Wed, Sep 29, 2021 at 03:34:51PM +0800, Lu Baolu wrote:
> On 2021/9/21 3:23, Fenghua Yu wrote:
> > update_pasid() and its call chain are currently unused in the tree because
> > Thomas disabled the ENQCMD feature. The feature will be re-enabled shortly
> > using a different approach and update_pasid() and its call chain will not
> > be used in the new approach.
> > 
> > Remove the useless functions.
> > 
> > Signed-off-by: Fenghua Yu <fenghua.yu@...el.com>
> > Reviewed-by: Tony Luck <tony.luck@...el.com>
> 
> Thanks for this cleanup. I have queued it for v5.16.

Thank you for pushing this patch to 5.16!

-Fenghua