linux-kernel - Re: [PATCH v3 02/11] mm: Change CONFIG option for mm->pasid field

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Message-ID: <874k5ecjsr.ffs@tglx>
Date:   Sat, 05 Feb 2022 00:07:48 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Fenghua Yu <fenghua.yu@...el.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...nel.org>,
        Tony Luck <tony.luck@...el.com>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Joerg Roedel <joro@...tes.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>,
        Ashok Raj <ashok.raj@...el.com>,
        Ravi V Shankar <ravi.v.shankar@...el.com>
Cc:     iommu@...ts.linux-foundation.org, x86 <x86@...nel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Fenghua Yu <fenghua.yu@...el.com>
Subject: Re: [PATCH v3 02/11] mm: Change CONFIG option for mm->pasid field

On Fri, Jan 28 2022 at 12:28, Fenghua Yu wrote:

> This currently depends on CONFIG_IOMMU_SUPPORT. But it is only
> needed when CONFIG_IOMMU_SVA option is enabled.
>
> Change the CONFIG guards around definition and initialization
> of mm->pasid field.
>
> Suggested-by: Jacob Pan <jacob.jun.pan@...ux.intel.com>
> Signed-off-by: Fenghua Yu <fenghua.yu@...el.com>
> Reviewed-by: Tony Luck <tony.luck@...el.com>

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>