Re: Stable linux-5.10.x regression triggered by MDS mitigation

From: Greg Kroah-Hartman
Date: Mon Jul 01 2024 - 08:46:11 EST


On Wed, Jun 26, 2024 at 01:02:35PM +0000, Jari Ruusu wrote:
> On Tuesday, June 25th, 2024 at 21:01, Pawan Gupta <pawan.kumar.gupta@xxxxxxxxxxxxxxx> wrote:
> > Thanks for pointing this out, CLEAR_CPU_BUFFERS should happen before POPFL.
> > Below patch moves it before POPFL and also adds a safer version that
> > switches to KERNEL_DS before executing VERW. This should ensure VERW works
> > in all cases:
>
> Your patch looks OK to me. Thanks.
> Tested on linux-5.10.220 inside 32-bit VM.

Great! Hopefully someone submits this to the stable tree so we can
accept it...