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From: "Jörg Rödel" <jroedel@suse.de>
To: Lucas Nussbaum <lucas.nussbaum@inria.fr>
Cc: linux-kernel@vger.kernel.org,
	Tom Lendacky <thomas.lendacky@amd.com>,
	Brijesh Singh <brijesh.singh@amd.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	Gary Hook <gary.hook@amd.com>
Subject: Re: [BUG] crypto: ccp: random crashes after kexec on AMD with PSP since commit 97f9ac3d
Date: Wed, 28 Jul 2021 13:05:36 +0200	[thread overview]
Message-ID: <F2C0BD57-3DC3-436F-98F3-44D85F9DEBC4@suse.de> (raw)
In-Reply-To: <YQB3B1RMhPqcrqzW@xanadu.blop.info>


> Am 27.07.2021 um 23:13 schrieb Lucas Nussbaum <lucas.nussbaum@inria.fr>:
> 
> It is worth noting that there was prior work about getting kexec to
> work with PSP/SEV (commit f8903b3e, "crypto: ccp - fix the SEV probe in
> kexec boot path“).

This patch adds the TMR memory for the PSP. I guess a reboot-notifier is needed which shuts the PSP down and flushes all caches.

Regards,

Jörg

  reply	other threads:[~2021-07-28 11:05 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-27 21:13 [BUG] crypto: ccp: random crashes after kexec on AMD with PSP since commit 97f9ac3d Lucas Nussbaum
2021-07-28 11:05 ` Jörg Rödel [this message]
2021-07-28 11:30   ` Brijesh Singh
2021-07-28 13:36 ` Brijesh Singh
2021-07-28 14:36   ` Lucas Nussbaum

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