Re: [PATCH v2 13/35] x86/mm: attempt speculative mm faults first

[Michel Lespinasse]

On Tue, Feb 01, 2022 at 05:16:43PM +0000, Liam Howlett wrote:
> > +	vma = __find_vma(mm, address);
> > +	if (!vma || vma->vm_start > address) {
> 
> This fits the vma_lookup() pattern - although you will have to work
> around the locking issue still.  This is the same for the other
> platforms too; they fit the pattern also.

In this case, I think it's just as well to follow the lines of the
non-speculative path, which itself can't use vma_lookup() because it
needs to handle the stack expansion case...

--
Michel "walken" Lespinasse