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Message-ID: <1518377119.6606.2.camel@infradead.org>
Subject: Re: [PATCH] x86/speculation: Clean up various Spectre related
 details
From:   David Woodhouse <dwmw2@infradead.org>
To:     Ingo Molnar <mingo@kernel.org>
Cc:     x86@kernel.org, linux-kernel@vger.kernel.org, tglx@linutronix.de,
        karahmed@amazon.de, sironi@amazon.de, kvm@vger.kernel.org,
        torvalds@linux-foundation.org, pbonzini@redhat.com, bp@alien8.de,
        peterz@infradead.org, jmattson@google.com, rkrcmar@redhat.com,
        arjan.van.de.ven@intel.com, dave.hansen@intel.com
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Date:   Sun, 11 Feb 2018 19:25:19 +0000
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On Sun, 2018-02-11 at 19:50 +0100, Ingo Molnar wrote:
>=20
> From 82c2b2f29691143a05181333f387e786646aa28b Mon Sep 17 00:00:00 2001
> From: Ingo Molnar <mingo@kernel.org>
> Date: Sat, 10 Feb 2018 11:51:57 +0100
> Subject: [PATCH] x86/speculation: Clean up various Spectre related detail=
s
>=20
> Harmonize all the Spectre messages so that a:
>=20
> =C2=A0=C2=A0=C2=A0 dmesg | grep -i spectre
>=20
> ... gives us most Spectre related kernel boot messages.
>=20
> Also fix a few other details:
>=20
> =C2=A0- clarify a comment about firmware speculation control
>=20
> =C2=A0- s/KPTI/PTI
>=20
> =C2=A0- remove various line-breaks that made the code uglier
>=20
> Cc: Andy Lutomirski <luto@kernel.org>
> Cc: Arjan van de Ven <arjan@linux.intel.com>
> Cc: Borislav Petkov <bp@alien8.de>
> Cc: Dan Williams <dan.j.williams@intel.com>
> Cc: Dave Hansen <dave.hansen@linux.intel.com>
> Cc: David Woodhouse <dwmw2@infradead.org>
> Cc: David Woodhouse <dwmw@amazon.co.uk>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Josh Poimboeuf <jpoimboe@redhat.com>
> Cc: Linus Torvalds <torvalds@linux-foundation.org>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Signed-off-by: Ingo Molnar <mingo@kernel.org>


Acked-by: David Woodhouse <dwmw@amazon.co.uk>

with a couple of comments:


-=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0* If neither SMEP or KPTI =
are available, there is a risk of
+=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0* If neither SMEP or PTI a=
re available, there is a risk of

Make that 'neither SMEP nor PTI' while you're at it though please;
that's bugged me a couple of times in passing.

And should these say 'Spectre v2' not just 'Spectre'?

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