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Subject: Re: [PATCH v3 10/13] x86/retpoline/pvops: Convert assembler
 indirect jumps
To: Juergen Gross <jgross@suse.com>, <ak@linux.intel.com>
CC: Paul Turner <pjt@google.com>, LKML <linux-kernel@vger.kernel.org>,
        "Linus Torvalds" <torvalds@linux-foundation.org>,
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Date: Thu, 4 Jan 2018 15:12:48 +0000
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From: "Woodhouse, David" <dwmw@amazon.co.uk>
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On Thu, 2018-01-04 at 16:02 +0100, Juergen Gross wrote:
> On 04/01/18 15:37, David Woodhouse wrote:
> > Convert pvops invocations to use non-speculative call sequences, when
> > CONFIG_RETPOLINE is enabled.
> >=C2=A0
> > There is scope for future optimisation here =E2=80=94 once the pvops me=
thods are
> > actually set, we could just turn the damn things into *direct* jumps.
> > But this is perfectly sufficient for now, without that added complexity=
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