For the series, no regressions in my testing, no stalls, no issues noted. Tested by: Shawn Starr <shawn.starr at rogers.com> Thanks, Shawn On Tuesday, October 18, 2016 4:13:11 PM EDT Dave Airlie wrote: > From: Dave Airlie <airlied at redhat.com> > > These functions are needed for gpu/ttm drivers to reserve the > VRAM area as write combined. In a lot of places we don't ioremap > but still need to insert pfn from it into a VMA using vm_insert_mixed, > but a recent change in mixed insertion means we need to reserve > VRAM as WC upfront, so we need these APIs exported. > > Signed-off-by: Dave Airlie <airlied at redhat.com> > --- > arch/x86/mm/pat.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c > index 170cc4f..5ce2fbb 100644 > --- a/arch/x86/mm/pat.c > +++ b/arch/x86/mm/pat.c > @@ -719,6 +719,7 @@ out_free: > out_err: > return ret; > } > +EXPORT_SYMBOL(io_reserve_memtype); > > /** > * io_free_memtype - Release a memory type mapping for a region of memory > @@ -729,6 +730,7 @@ void io_free_memtype(resource_size_t start, > resource_size_t end) { > free_memtype(start, end); > } > +EXPORT_SYMBOL(io_free_memtype); > > pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, > unsigned long size, pgprot_t vma_prot)