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Date: Tue, 04 Jun 2024 22:58:19 +0300
Message-Id: <D1RHYMFSVGSW.39IL7KFK8A47N@kernel.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>,
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 <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
From: "Jarkko Sakkinen" <jarkko@kernel.org>
To: "Ross Philipson" <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>
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References: <20240531010331.134441-1-ross.philipson@oracle.com>
 <20240531010331.134441-10-ross.philipson@oracle.com>
In-Reply-To: <20240531010331.134441-10-ross.philipson@oracle.com>

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.

BR, Jarkko