linux-kernel - Re: [RFCv2 0/9] UEFI emulator for kexec

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Message-ID: <Zsck4U9xmzz5w5tl@gardel-login>
Date: Thu, 22 Aug 2024 13:45:37 +0200
From: Lennart Poettering <mzxreary@...inter.de>
To: Jan Hendrik Farr <kernel@...rr.cc>
Cc: Pingfan Liu <piliu@...hat.com>, Ard Biesheuvel <ardb@...nel.org>,
	Philipp Rudo <prudo@...hat.com>,
	Jarkko Sakkinen <jarkko@...nel.org>,
	Eric Biederman <ebiederm@...ssion.com>, Baoquan He <bhe@...hat.com>,
	Dave Young <dyoung@...hat.com>, Mark Rutland <mark.rutland@....com>,
	Will Deacon <will@...nel.org>,
	Catalin Marinas <catalin.marinas@....com>,
	kexec@...ts.infradead.org, linux-efi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFCv2 0/9] UEFI emulator for kexec

On Do, 22.08.24 13:42, Jan Hendrik Farr (kernel@...rr.cc) wrote:

> I have two questions:
>
> 1: Does the systemd-stub only perform measurements before exiting boot
> services or also afterwards?

Nope. we pass control to the kernel's own stub, and that calls EBS(),
not systemd-stub. Hence, no, we are just measuring a things before
EBS(), not after.

Lennart

--
Lennart Poettering, Berlin