Bug 2107618

Summary:	RFE: provide support for multiboot in BLS (required to support tboot)
Product:	Red Hat Enterprise Linux 9	Reporter:	Renaud Métrich <rmetrich>
Component:	grub2	Assignee:	Bootloader engineering team <bootloader-eng-team>
Status:	NEW ---	QA Contact:	Release Test Team <release-test-team>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	9.0	CC:	raravind, sbarcomb, tcamuso
Target Milestone:	rc	Keywords:	FutureFeature
Target Release:	---
Hardware:	x86_64
OS:	Linux
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Fixed In Version:		Doc Type:	If docs needed, set a value
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Last Closed:		Type:	Bug
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	2107609, 2107621

Description Renaud Métrich 2022-07-15 14:20:21 UTC

Description of problem:

Currently TBOOT and BLS are incompatible: TBOOT creates entries in `/boot/grub2/grub.cfg` directly. My guess is it's because TBOOT configuration snippets are not supported by BLS for now.

Bringing TBOOT support into BLS would solve many issues, including BZ #2107609.
Another issue it would solve is making sure the latest "kernel with tboot" is booted when updating the kernel. For now such functionality is hard to implement because /lib/kernel/install.d/20-grub.install ignores TBOOT completely.

Version-Release number of selected component (if applicable):

grub2-pc-2.06-27.el9_0.7.x86_64

How reproducible:

N/A

Comment 2 raravind 2023-07-17 17:34:26 UTC

Renaud,

This feature request cant be granted now due to following reasons:
a. Intel is looking into deprecating tboot.
b. the attached customer case is closed