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Date:   Tue, 28 May 2019 16:56:45 +0100
From:   Dave Martin <Dave.Martin@arm.com>
To:     Catalin Marinas <catalin.marinas@arm.com>
Cc:     Andrew Murray <andrew.murray@arm.com>,
        Mark Rutland <mark.rutland@arm.com>, kvm@vger.kernel.org,
        Christian Koenig <Christian.Koenig@amd.com>,
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        Lee Smith <Lee.Smith@arm.com>, linux-kselftest@vger.kernel.org,
        Vincenzo Frascino <vincenzo.frascino@arm.com>,
        Jacob Bramley <Jacob.Bramley@arm.com>,
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        Andrew Morton <akpm@linux-foundation.org>,
        Robin Murphy <robin.murphy@arm.com>,
        Yishai Hadas <yishaih@mellanox.com>,
        Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Subject: Re: [PATCH v15 05/17] arms64: untag user pointers passed to memory
 syscalls
Message-ID: <20190528155644.GD28398@e103592.cambridge.arm.com>
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On Tue, May 28, 2019 at 04:40:58PM +0100, Catalin Marinas wrote:

[...]

> My thoughts on allowing tags (quick look):
>
> brk - no

[...]

> mlock, mlock2, munlock - yes
> mmap - no (we may change this with MTE but not for TBI)

[...]

> mprotect - yes

I haven't following this discussion closely... what's the rationale for
the inconsistencies here (feel free to refer me back to the discussion
if it's elsewhere).

Cheers
---Dave