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From: Thomas Gleixner <tglx@linutronix.de>
To: David Woodhouse <dwmw@amazon.co.uk>
Cc: Andi Kleen <ak@linux.intel.com>, Paul Turner <pjt@google.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@linux-foundation.org>,
	Tim Chen <tim.c.chen@linux.intel.com>,
	Dave Hansen <dave.hansen@intel.com>,
	Kees Cook <keescook@google.com>, Rik van Riel <riel@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Andy Lutomirski <luto@amacapital.net>,
	Jiri Kosina <jikos@kernel.org>,
	gnomes@lxorguk.ukuu.org.uk, x86@kernel.org,
	thomas.lendacky@amd.com, Josh Poimboeuf <jpoimboe@redhat.com>
Subject: Re: [PATCH] x86/retpoline: Fill RSB on context switch for affected CPUs
Date: Sun, 14 Jan 2018 12:39:14 +0100 (CET)	[thread overview]
Message-ID: <alpine.DEB.2.20.1801141238180.2371@nanos> (raw)
In-Reply-To: <1515779365-9032-1-git-send-email-dwmw@amazon.co.uk>

On Fri, 12 Jan 2018, David Woodhouse wrote:
> +/* Check for Skylake-like CPUs (for RSB handling) */
> +static bool __init is_skylake_era(void)
> +{
> +	if (boot_cpu_data.x86 == 6) {

This wants a checkfor vendor = intel 

> +		switch (boot_cpu_data.x86_model) {
> +		case INTEL_FAM6_SKYLAKE_MOBILE:
> +		case INTEL_FAM6_SKYLAKE_DESKTOP:
> +		case INTEL_FAM6_SKYLAKE_X:
> +		case INTEL_FAM6_KABYLAKE_MOBILE:
> +		case INTEL_FAM6_KABYLAKE_DESKTOP:
> +			return true;
> +		}
> +	}

Thanks,

	tglx

  parent reply	other threads:[~2018-01-14 11:39 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-12 17:49 [PATCH] x86/retpoline: Fill RSB on context switch for affected CPUs David Woodhouse
2018-01-12 18:02 ` Andi Kleen
2018-01-12 18:23   ` David Woodhouse
2018-01-12 18:05 ` Andrew Cooper
2018-01-12 18:56   ` David Woodhouse
2018-01-12 23:41     ` Josh Poimboeuf
2018-01-14 11:39 ` Thomas Gleixner [this message]
2018-01-14 17:04 ` [tip:x86/pti] " tip-bot for David Woodhouse
2018-01-15 14:35   ` David Laight
2018-01-15 14:39     ` David Woodhouse
2018-01-15 14:42     ` Arjan van de Ven
2018-01-15 20:03       ` Kees Cook
2018-01-14 23:37 ` tip-bot for David Woodhouse
2018-01-15  0:05   ` Andi Kleen
2018-01-15  0:09     ` Andi Kleen
2018-01-15 10:13     ` David Woodhouse
2018-03-09 13:12 ` Maciej S. Szmigiero
2018-03-09 15:14   ` Andi Kleen
2018-03-09 15:33     ` Maciej S. Szmigiero
2018-03-09 15:38     ` Woodhouse, David

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