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From: "Raj, Ashok" <ashok.raj@intel.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: bp@suse.de, X86 ML <x86@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ashok Raj <ashok.raj@intel.com>
Subject: Re: [PATCH] x86/microcode/intel: Check microcode revision before updating sibling threads
Date: Sat, 17 Feb 2018 04:10:43 -0800	[thread overview]
Message-ID: <20180217121042.GA23981@araj-mobl1.jf.intel.com> (raw)
In-Reply-To: <20180217075053.2muugr2ioqvawfxv@gmail.com>

Hi Ingo

On Sat, Feb 17, 2018 at 08:50:53AM +0100, Ingo Molnar wrote:
> 
> Also, more fundamentally, during microcode early testing, isn't it possible for 
> internal iterations of the microcode to have the same revision, but be different?

Atleast we don't do that here. Such debug microcode isn't OS loadable. 
Anything that comes out ready for OS loading, the version will keep moving.

> This patch would prevent re-loading it - for a seemingly minimal benefit.

Cheers,
Ashok

  reply	other threads:[~2018-02-17 12:10 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-16 19:34 Ashok Raj
2018-02-17  7:50 ` Ingo Molnar
2018-02-17 12:10   ` Raj, Ashok [this message]
2018-02-18 12:46     ` Ingo Molnar

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