Port-xen archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: xen on i7-12700: works with cet-no-ibt !!



At Sun, 08 Sep 2024 13:15:47 -0400, Greg Troxel <gdt%lexort.com@localhost> wrote:
Subject: Re: xen on i7-12700: works with cet-no-ibt !!
>
> I theorize without understanding that gcc 10 is too old to build for CET
> (endbranch instructions, shadow stacks),

Andrew Cooper has mentioned (on xen-devel)

	Godbolt thinks that GCC 9.3 should be sufficient to be CET-IBT
	compatible, and my notes (in Kconfig)
	match.

	https://godbolt.org/z/1r9PqYb8j

> and that it is a bug in xen to enable anything CET without knowing
> that it was prepared for.

Hmmm.... dunno about that part yet....

--
					Greg A. Woods <gwoods%acm.org@localhost>

Kelowna, BC     +1 250 762-7675           RoboHack <woods%robohack.ca@localhost>
Planix, Inc. <woods%planix.com@localhost>     Avoncote Farms <woods%avoncote.ca@localhost>

Attachment: pgpi5vy86iLju.pgp
Description: OpenPGP Digital Signature



Home | Main Index | Thread Index | Old Index