linux-kernel - Re: [RFC PATCH v0 0/6] x86/AMD: Userspace address tagging

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Date:   Thu, 10 Mar 2022 07:22:32 -0800
From:   Dave Hansen <dave.hansen@...el.com>
To:     Bharata B Rao <bharata@....com>, linux-kernel@...r.kernel.org
Cc:     linux-mm@...ck.org, x86@...nel.org,
        kirill.shutemov@...ux.intel.com, tglx@...utronix.de,
        mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
        catalin.marinas@....com, will@...nel.org, shuah@...nel.org,
        oleg@...hat.com, ananth.narayan@....com
Subject: Re: [RFC PATCH v0 0/6] x86/AMD: Userspace address tagging

On 3/10/22 07:16, Dave Hansen wrote:
> I'd also highly suggest going over Kirill's patch set in detail.  There
> are things like this:
> 
>> https://lore.kernel.org/linux-mm/20210205151631.43511-10-kirill.shutemov@linux.intel.com/
> which seem pretty sane to me but which are (I think) missing in this set.

Oh silly me, that's just for LAM_U48 which ignores more bits than
LAM_U57 or UAI.

Either way, I know you've looked at Kirill's set, but please do go over
it in detail to make sure there's nothing else you need to lift out of
there.