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From: "Linux regression tracking (Thorsten Leemhuis)" <>
To: "Limonciello, Mario" <>,
	"Jason A. Donenfeld" <>,,,
Cc: Jarkko Sakkinen <>,
	James Bottomley <>
Subject: Re: [PATCH RFC] tpm: disable hwrng for known-defective AMD RNGs
Date: Sat, 11 Feb 2023 16:15:56 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On 09.02.23 16:41, Limonciello, Mario wrote:
> On 2/9/2023 09:31, Jason A. Donenfeld wrote:
>> Do not register a hwrng for certain AMD TPMs that are running an old
>> known-buggy revision. Do this by probing the TPM2_PT_MANUFACTURER,
>> and failing when an "AMD"-manufactured TPM2 chip is below a threshold.
>> BROKEN BROKEN BROKEN - I just made the version numbers up and haven't
>> tested this because I don't actually have hardware for it. I'm posting
>> this so that Mario can take over its development and submit a v2 himself
>> once he has confirmed the versioning info from inside AMD.
> Thanks, happy to do that. 

Just a quick note from my side: many many thx to both of you for taking
care of this!

Ciao, Thorsten

  parent reply	other threads:[~2023-02-11 15:16 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-09 15:31 [PATCH RFC] tpm: disable hwrng for known-defective AMD RNGs Jason A. Donenfeld
2023-02-09 15:41 ` Limonciello, Mario
2023-02-09 17:26   ` Jason A. Donenfeld
2023-02-11 15:15   ` Linux regression tracking (Thorsten Leemhuis) [this message]
2023-02-10  0:54 ` Jarkko Sakkinen
2023-02-10  1:08   ` Jason A. Donenfeld

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