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From: Jon Masters <jcm@jonmasters.org>
To: Thomas Gleixner <tglx@linutronix.de>,
	LKML <linux-kernel@vger.kernel.org>
Cc: Linus Torvalds <torvalds@linuxfoundation.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Borislav Petkov <bp@alien8.de>,
	David Woodhouse <dwmw@amazon.co.uk>,
	Dave Hansen <dave.hansen@intel.com>,
	Will Deacon <will.deacon@arm.com>
Subject: Re: [patch V2 1/2] sysfs/cpu: Add vulnerability folder
Date: Mon, 29 Jan 2018 00:30:35 -0500	[thread overview]
Message-ID: <12f6bdbe-3fbb-7e12-50ee-dc7b2575d9d5@jonmasters.org> (raw)
In-Reply-To: <20180107214913.096657732@linutronix.de>

On 01/07/2018 04:48 PM, Thomas Gleixner wrote:

> +#ifdef CONFIG_GENERIC_CPU_VULNERABILITIES
> +
> +ssize_t __weak cpu_show_meltdown(struct device *dev,
> +				 struct device_attribute *attr, char *buf)
> +{
> +	return sprintf(buf, "Not affected\n");
> +}
> +
> +ssize_t __weak cpu_show_spectre_v1(struct device *dev,
> +				   struct device_attribute *attr, char *buf)
> +{
> +	return sprintf(buf, "Not affected\n");
> +}
> +
> +ssize_t __weak cpu_show_spectre_v2(struct device *dev,
> +				   struct device_attribute *attr, char *buf)
> +{
> +	return sprintf(buf, "Not affected\n");
> +}

Just wondering aloud (after the merge) here but shouldn't the default be
"unknown", at least for Spectre? It's pervasive enough.

Jon.

  parent reply	other threads:[~2018-01-29  5:30 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-07 21:47 [patch V2 0/2] sysfs/cpu: Implement generic vulnerabilites directory Thomas Gleixner
2018-01-07 21:48 ` [patch V2 1/2] sysfs/cpu: Add vulnerability folder Thomas Gleixner
2018-01-07 22:14   ` Konrad Rzeszutek Wilk
2018-01-08  6:53   ` Greg Kroah-Hartman
2018-01-08  7:29   ` Dominik Brodowski
2018-01-08  7:33     ` Thomas Gleixner
2018-01-08 10:16   ` [tip:x86/pti] " tip-bot for Thomas Gleixner
2018-01-26 16:23   ` [patch V2 1/2] " Andrea Arcangeli
2018-01-26 16:35     ` Greg Kroah-Hartman
2018-01-29  5:30   ` Jon Masters [this message]
2018-01-07 21:48 ` [patch V2 2/2] x86/cpu: Implement CPU vulnerabilites sysfs functions Thomas Gleixner
2018-01-07 22:14   ` Konrad Rzeszutek Wilk
2018-01-08  6:54   ` Greg Kroah-Hartman
2018-01-08 10:17   ` [tip:x86/pti] " tip-bot for Thomas Gleixner
2018-01-07 22:22 [patch V2 1/2] sysfs/cpu: Add vulnerability folder Alexey Dobriyan
2018-01-08  3:50 ` Konrad Rzeszutek Wilk
2018-01-08  5:35   ` Alexey Dobriyan
2018-01-08  9:36     ` Thomas Gleixner
2018-01-08 10:30       ` Alexey Dobriyan
2018-01-08 11:54     ` Alan Cox
2018-01-08 18:04       ` Alexey Dobriyan

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