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From: Peter Zijlstra <peterz@infradead.org>
To: Ashok Raj <ashok.raj@intel.com>
Cc: Borislav Petkov <bp@alien8.de>,
	Thomas Gleixner <tglx@linutronix.de>,
	Tony Luck <tony.luck@intel.com>,
	Dave Hansen <dave.hansen@intel.com>,
	LKML Mailing List <linux-kernel@vger.kernel.org>,
	X86-kernel <x86@kernel.org>,
	Andy Lutomirski <luto@amacapital.net>,
	Tom Lendacky <thomas.lendacky@amd.com>
Subject: Re: [PATCH 3/5] x86/microcode/intel: Allow a late-load only if a min rev is specified
Date: Mon, 15 Aug 2022 15:04:45 +0200	[thread overview]
Message-ID: <YvpEbby2yp78Br9E@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <Yvo+4odYjQEkvmRr@araj-dh-work>

On Mon, Aug 15, 2022 at 12:41:06PM +0000, Ashok Raj wrote:

> OR
> 
> The release missed specifying a min-rev before release, accidently even
> though its actually removing a feature? That would be in the bug category.
> 
> Release should have validation tests to cover all known feature bits and
> such and check for any misses after an update as part of the qual process.

This; it would be very unfortunate if this ever happened.

  reply	other threads:[~2022-08-15 13:05 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-13 22:38 [PATCH 0/5] Adding more robustness to microcode loading Ashok Raj
2022-08-13 22:38 ` [PATCH 1/5] x86/microcode: Add missing documentation that late-load will taint kernel Ashok Raj
2022-08-15 19:40   ` [tip: x86/microcode] x86/microcode: Document the whole late loading problem tip-bot2 for Ashok Raj
2022-08-16  3:21     ` Ashok Raj
2022-08-16  7:40       ` Borislav Petkov
2022-08-16  6:51     ` Ingo Molnar
2022-08-16  7:46   ` tip-bot2 for Ashok Raj
2022-08-18 14:04   ` tip-bot2 for Ashok Raj
2022-08-13 22:38 ` [PATCH 2/5] x86/microcode/intel: Check against CPU signature before saving microcode Ashok Raj
2022-08-13 22:38 ` [PATCH 3/5] x86/microcode/intel: Allow a late-load only if a min rev is specified Ashok Raj
2022-08-15  7:43   ` Peter Zijlstra
2022-08-15 12:29     ` Ashok Raj
2022-08-15  7:46   ` Peter Zijlstra
2022-08-15 12:41     ` Ashok Raj
2022-08-15 13:04       ` Peter Zijlstra [this message]
2022-08-18 17:34     ` Dave Hansen
2022-08-13 22:38 ` [PATCH 4/5] x86/microcode: Avoid any chance of MCE's during microcode update Ashok Raj
2022-08-13 22:38 ` [PATCH 5/5] x86/microcode: Handle NMI's " Ashok Raj
2022-08-14  0:13   ` Andy Lutomirski
2022-08-14  1:19     ` Andy Lutomirski
2022-08-14  3:05       ` Ashok Raj
2022-08-14  2:54     ` Ashok Raj
2022-08-14 11:58       ` Andrew Cooper
2022-08-14 14:41         ` Ashok Raj

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