Re: [tip:x86/urgent] x86/mm: Fix boot crash caused by incorrect loop count calculation in sync_global_pgds()

From: Greg KH
Date: Tue Jun 27 2017 - 07:13:32 EST


On Wed, Jun 21, 2017 at 06:26:59PM -0700, Dan Williams wrote:
> [ adding -stable ]
>
> The patch below is upstream as commit fc5f9d5f151c "x86/mm: Fix boot
> crash caused by incorrect loop count calculation in
> sync_global_pgds()". The referenced bug potentially affects all kaslr
> enabled kernels with > 512GB of memory. Please apply this patch to all
> current -stable kernels.

Doesn't apply to any stable kernels that I manage, can someone please
provide a working backport if they want to see it applied?

thanks,

greg k-h