| Date | Fri, 12 Jan 2018 11:02:51 -0800 | From | Matthew Wilcox <> | Subject | Re: [PATCH v6 22/24] mm: Speculative page fault handler return VMA |
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On Fri, Jan 12, 2018 at 06:26:06PM +0100, Laurent Dufour wrote: > @@ -1354,7 +1354,10 @@ extern int handle_mm_fault(struct vm_area_struct *vma, unsigned long address, > unsigned int flags); > #ifdef CONFIG_SPF > extern int handle_speculative_fault(struct mm_struct *mm, > + unsigned long address, unsigned int flags, > + struct vm_area_struct **vma);
I think this shows that we need to create 'struct vm_fault' on the stack in the arch code and then pass it to handle_speculative_fault(), followed by handle_mm_fault(). That should be quite a nice cleanup actually. I know that's only 30+ architectures to change ;-)
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