Re: [PATCH 3/3] xen, pvh: fix unbootable VMs by inlining memset in xen_prepare_pvh
From: Thomas Gleixner
Date: Fri Aug 02 2024 - 08:57:57 EST
On Fri, Aug 02 2024 at 11:53, Alexey Dobriyan wrote:
> If this memset() is not inlined than PVH early boot code can call
> into KASAN-instrumented memset() which results in unbootable VMs.
>
> Ubuntu's 22.04.4 LTS gcc version 11.4.0 (Ubuntu 11.4.0-1ubuntu1~22.04)
> doesn't inline this memset but inlines __builtin_memset.
memset() ......