From: "Jarkko Sakkinen" <jarkko@kernel.org>
To: <ross.philipson@oracle.com>, <linux-kernel@vger.kernel.org>,
<x86@kernel.org>, <linux-integrity@vger.kernel.org>,
<linux-doc@vger.kernel.org>, <linux-crypto@vger.kernel.org>,
<kexec@lists.infradead.org>, <linux-efi@vger.kernel.org>,
<iommu@lists.linux-foundation.org>
Cc: <dpsmith@apertussolutions.com>, <tglx@linutronix.de>,
<mingo@redhat.com>, <bp@alien8.de>, <hpa@zytor.com>,
<dave.hansen@linux.intel.com>, <ardb@kernel.org>,
<mjg59@srcf.ucam.org>, <James.Bottomley@hansenpartnership.com>,
<peterhuewe@gmx.de>, <jgg@ziepe.ca>, <luto@amacapital.net>,
<nivedita@alum.mit.edu>, <herbert@gondor.apana.org.au>,
<davem@davemloft.net>, <corbet@lwn.net>, <ebiederm@xmission.com>,
<dwmw2@infradead.org>, <baolu.lu@linux.intel.com>,
<kanth.ghatraju@oracle.com>, <andrew.cooper3@citrix.com>,
<trenchboot-devel@googlegroups.com>
Subject: Re: [PATCH v9 09/19] x86: Secure Launch kernel late boot stub
Date: Wed, 05 Jun 2024 01:45:17 +0300 [thread overview]
Message-ID: <D1RLIGJ6FYTA.4JNBEUEDEY9P@kernel.org> (raw)
In-Reply-To: <e066d250-b657-472f-ad27-585a64a51a9f@oracle.com>
On Wed Jun 5, 2024 at 12:16 AM EEST, wrote:
> On 6/4/24 12:58 PM, Jarkko Sakkinen wrote:
> > On Fri May 31, 2024 at 4:03 AM EEST, Ross Philipson wrote:
> >> The routine slaunch_setup is called out of the x86 specific setup_arch()
> >> routine during early kernel boot. After determining what platform is
> >> present, various operations specific to that platform occur. This
> >> includes finalizing setting for the platform late launch and verifying
> >> that memory protections are in place.
> >
> > "memory protections" is not too helpful tbh.
> >
> > Better to describe very briefly the VT-d usage.
>
> We can enhance the commit message and talk about VT-d usage and what
> PMRs are and do.
Yep, pointing out exact things that you're dealing with is even more
useful once the feature has landed.
After some months one tends to start forgetting things, so it is good
to use commit messages as clues and reminders of essential concepts.
BR, Jarkko
next prev parent reply other threads:[~2024-06-04 22:45 UTC|newest]
Thread overview: 113+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-31 1:03 [PATCH v9 00/19] x86: Trenchboot secure dynamic launch Linux kernel support Ross Philipson
2024-05-31 1:03 ` [PATCH v9 01/19] x86/boot: Place kernel_info at a fixed offset Ross Philipson
2024-06-04 18:18 ` Jarkko Sakkinen
2024-06-04 20:28 ` ross.philipson
2024-05-31 1:03 ` [PATCH v9 02/19] Documentation/x86: Secure Launch kernel documentation Ross Philipson
2024-05-31 1:03 ` [PATCH v9 03/19] x86: Secure Launch Kconfig Ross Philipson
2024-05-31 1:03 ` [PATCH v9 04/19] x86: Secure Launch Resource Table header file Ross Philipson
2024-06-04 18:21 ` Jarkko Sakkinen
2024-06-04 20:31 ` ross.philipson
2024-06-04 22:36 ` Jarkko Sakkinen
2024-06-04 23:00 ` ross.philipson
2024-06-05 0:22 ` Jarkko Sakkinen
2024-06-05 0:27 ` Jarkko Sakkinen
2024-06-05 2:33 ` ross.philipson
2024-06-05 4:04 ` Jarkko Sakkinen
2024-06-05 19:03 ` ross.philipson
2024-06-06 6:02 ` Jarkko Sakkinen
2024-06-06 16:49 ` ross.philipson
2024-06-20 0:18 ` Jarkko Sakkinen
2024-06-20 16:55 ` ross.philipson
2024-05-31 1:03 ` [PATCH v9 05/19] x86: Secure Launch main " Ross Philipson
2024-06-04 18:24 ` Jarkko Sakkinen
2024-06-04 20:52 ` ross.philipson
2024-05-31 1:03 ` [PATCH v9 06/19] x86: Add early SHA-1 support for Secure Launch early measurements Ross Philipson
2024-05-31 2:16 ` Eric Biggers
2024-05-31 13:54 ` Eric W. Biederman
2024-08-15 17:38 ` Daniel P. Smith
2024-08-15 19:10 ` Thomas Gleixner
2024-08-16 10:42 ` Jarkko Sakkinen
2024-08-16 11:01 ` Andrew Cooper
2024-08-16 11:22 ` Jarkko Sakkinen
2024-08-16 18:41 ` Matthew Garrett
2024-08-19 18:05 ` Jarkko Sakkinen
2024-08-19 18:24 ` Matthew Garrett
2024-08-20 15:26 ` Jarkko Sakkinen
2024-08-22 18:29 ` Daniel P. Smith
2024-08-29 3:17 ` Andy Lutomirski
2024-08-29 3:25 ` Matthew Garrett
2024-08-29 17:26 ` Andy Lutomirski
2024-09-05 1:01 ` Daniel P. Smith
2024-09-13 0:34 ` Daniel P. Smith
2024-09-14 3:57 ` Andy Lutomirski
2024-09-21 18:36 ` Daniel P. Smith
2024-09-21 22:40 ` Andy Lutomirski
2024-11-02 14:53 ` Daniel P. Smith
2024-11-02 16:04 ` James Bottomley
2024-11-15 1:17 ` Daniel P. Smith
2024-11-18 18:43 ` Andy Lutomirski
2024-11-18 18:50 ` Andy Lutomirski
2024-11-18 19:12 ` James Bottomley
2024-11-18 20:02 ` Andy Lutomirski
2024-11-21 20:11 ` ross.philipson
2024-11-21 20:54 ` Andy Lutomirski
2024-11-21 22:42 ` Andy Lutomirski
2024-11-22 23:37 ` ross.philipson
2024-12-12 19:56 ` Daniel P. Smith
2024-12-12 22:30 ` Andy Lutomirski
2024-12-14 2:56 ` Daniel P. Smith
2024-05-31 16:18 ` ross.philipson
2024-08-27 18:14 ` Eric Biggers
2024-08-28 20:14 ` ross.philipson
2024-08-28 23:13 ` Eric Biggers
2024-06-04 18:52 ` Jarkko Sakkinen
2024-06-04 21:02 ` ross.philipson
2024-06-04 22:40 ` Jarkko Sakkinen
2024-05-31 1:03 ` [PATCH v9 07/19] x86: Add early SHA-256 " Ross Philipson
2024-05-31 1:03 ` [PATCH v9 08/19] x86: Secure Launch kernel early boot stub Ross Philipson
2024-05-31 11:00 ` Ard Biesheuvel
2024-05-31 13:33 ` Ard Biesheuvel
2024-05-31 14:04 ` Ard Biesheuvel
2024-05-31 16:13 ` Ard Biesheuvel
2024-06-04 17:31 ` ross.philipson
2024-06-04 17:24 ` ross.philipson
2024-06-04 17:27 ` Ard Biesheuvel
2024-06-04 17:33 ` ross.philipson
2024-06-04 20:54 ` Ard Biesheuvel
2024-06-04 21:12 ` ross.philipson
2024-06-04 17:14 ` ross.philipson
2024-06-04 19:56 ` Jarkko Sakkinen
2024-06-04 21:09 ` ross.philipson
2024-06-04 22:43 ` Jarkko Sakkinen
2024-05-31 1:03 ` [PATCH v9 09/19] x86: Secure Launch kernel late " Ross Philipson
2024-06-04 19:58 ` Jarkko Sakkinen
2024-06-04 21:16 ` ross.philipson
2024-06-04 22:45 ` Jarkko Sakkinen [this message]
2024-06-04 19:59 ` Jarkko Sakkinen
2024-06-04 21:17 ` ross.philipson
2024-08-12 19:02 ` ross.philipson
2024-08-15 18:35 ` Jarkko Sakkinen
2024-05-31 1:03 ` [PATCH v9 10/19] x86: Secure Launch SMP bringup support Ross Philipson
2024-06-04 20:05 ` Jarkko Sakkinen
2024-06-04 21:47 ` ross.philipson
2024-06-04 22:46 ` Jarkko Sakkinen
2024-05-31 1:03 ` [PATCH v9 11/19] kexec: Secure Launch kexec SEXIT support Ross Philipson
2024-05-31 1:03 ` [PATCH v9 12/19] reboot: Secure Launch SEXIT support on reboot paths Ross Philipson
2024-05-31 1:03 ` [PATCH v9 13/19] tpm: Protect against locality counter underflow Ross Philipson
2024-06-04 20:12 ` Jarkko Sakkinen
2024-08-15 18:52 ` Daniel P. Smith
2024-05-31 1:03 ` [PATCH v9 14/19] tpm: Ensure tpm is in known state at startup Ross Philipson
2024-06-04 20:14 ` Jarkko Sakkinen
2024-08-15 19:24 ` Daniel P. Smith
2024-05-31 1:03 ` [PATCH v9 15/19] tpm: Make locality requests return consistent values Ross Philipson
2024-05-31 1:03 ` [PATCH v9 16/19] tpm: Add ability to set the preferred locality the TPM chip uses Ross Philipson
2024-06-04 20:27 ` Jarkko Sakkinen
2024-06-04 22:14 ` ross.philipson
2024-06-04 22:50 ` Jarkko Sakkinen
2024-06-04 23:04 ` ross.philipson
2024-05-31 1:03 ` [PATCH v9 17/19] tpm: Add sysfs interface to allow setting and querying the preferred locality Ross Philipson
2024-06-04 20:27 ` Jarkko Sakkinen
2024-05-31 1:03 ` [PATCH v9 18/19] x86: Secure Launch late initcall platform module Ross Philipson
2024-05-31 1:03 ` [PATCH v9 19/19] x86: EFI stub DRTM launch support for Secure Launch Ross Philipson
2024-05-31 11:09 ` Ard Biesheuvel
2024-06-04 17:22 ` ross.philipson
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