On Wed, 10 Apr 2024 at 07:46, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > On Wed, Apr 10, 2024 at 07:34:33AM +0200, Borislav Petkov wrote: > > On Tue, Apr 09, 2024 at 06:38:53PM +0200, Pascal Ernster wrote: > > > Just to make sure this doesn't get lost: This patch causes the kernel to not > > > boot on several x86_64 VMs of mine (I haven't tested it on a bare metal > > > machine). For details and a kernel config to reproduce the issue, see https://lore.kernel.org/stable/fd186a2b-0c62-4942-bed3-a27d72930310@xxxxxxxxxxxxxx/ > > > > I see your .config there. How are you booting the VMs? qemu cmdline? > > > > Ard, anything missing in the backport? > > > > I'm busy and won't be able to look in the next couple of days... > > As reverting seems to resolve this, I'll go do that after my morning > coffee kicks in... Fair enough. I'll look into this today, but I guess you're on a tight schedule with this release. Please drop the subsequent patch as well: x86/efistub: Remap kernel text read-only before dropping NX attribute as it assumes that all code reachable from the startup entrypoint is in .head.text and this will no longer be the case.