From: David Woodhouse <dwmw2@infradead.org>
To: Jon Masters <jcm@jonmasters.org>,
Henrique de Moraes Holschuh <hmh@hmh.eng.br>,
Andi Kleen <andi@firstfloor.org>
Cc: tglx@linutronix.de, x86@kernel.org, linux-kernel@vger.kernel.org,
pjt@google.com, torvalds@linux-foundation.org,
gregkh@linux-foundation.org, peterz@infradead.org,
luto@amacapital.net, thomas.lendacky@amd.com,
arjan.van.de.ven@intel.com
Subject: Re: Improve retpoline for Skylake
Date: Mon, 15 Jan 2018 10:06:34 +0100 [thread overview]
Message-ID: <1516007194.22147.120.camel@infradead.org> (raw)
In-Reply-To: <985f979e-0740-5d8a-d6b8-b023105aa021@jonmasters.org>
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On Mon, 2018-01-15 at 03:26 -0500, Jon Masters wrote:
>
> Our numbers on Skylake weren't bad, and there seem to be all kinds of
> corner cases, so again, it seems as if IBRS is the safest choice.
If only someone were rapidly iterating the IBRS patch set on top of the
latest tip, fixing the issues and making it consistent with everything
else that's being done...
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next prev parent reply other threads:[~2018-01-15 9:07 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-12 18:45 Improve retpoline for Skylake Andi Kleen
2018-01-12 18:45 ` [PATCH 1/4] x86/retpoline: Add new mode RETPOLINE_UNDERFLOW Andi Kleen
2018-01-12 22:13 ` Dominik Brodowski
2018-01-12 22:57 ` Andi Kleen
2018-01-12 18:45 ` [PATCH 2/4] x86/retpoline: Avoid return buffer underflows on context switch Andi Kleen
2018-01-12 18:45 ` [PATCH 3/4] x86/retpoline: Fill return buffer after idle Andi Kleen
2018-01-12 18:45 ` [PATCH 4/4] x86/retpoline: Fill return buffer on interrupt return to kernel Andi Kleen
2018-01-12 19:12 ` Improve retpoline for Skylake David Woodhouse
2018-01-12 19:21 ` Andi Kleen
2018-01-12 22:03 ` Henrique de Moraes Holschuh
2018-01-15 8:26 ` Jon Masters
2018-01-15 9:06 ` David Woodhouse [this message]
2018-01-15 10:03 ` Thomas Gleixner
2018-01-15 10:20 ` David Woodhouse
2018-01-15 16:57 ` Andy Lutomirski
2018-01-15 17:38 ` Andrew Cooper
2018-01-15 17:56 ` Van De Ven, Arjan
2018-01-15 18:06 ` Andy Lutomirski
2018-01-15 18:07 ` David Woodhouse
2018-01-15 18:10 ` Andy Lutomirski
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