On 11/29/2016 01:55 PM, Laura Abbott wrote: > __pa_symbol is the correct macro to use on kernel > symbols. Switch to this from __pa. > > Signed-off-by: Laura Abbott <labbott@xxxxxxxxxx> > --- > Found during a sweep of the kernel. Untested. > --- > drivers/xen/xenbus/xenbus_dev_backend.c | 2 +- > drivers/xen/xenfs/xenstored.c | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/xen/xenbus/xenbus_dev_backend.c b/drivers/xen/xenbus/xenbus_dev_backend.c > index 4a41ac9..31ca2bf 100644 > --- a/drivers/xen/xenbus/xenbus_dev_backend.c > +++ b/drivers/xen/xenbus/xenbus_dev_backend.c > @@ -99,7 +99,7 @@ static int xenbus_backend_mmap(struct file *file, struct vm_area_struct *vma) > return -EINVAL; > > if (remap_pfn_range(vma, vma->vm_start, > - virt_to_pfn(xen_store_interface), > + PHYS_PFN(__pa_symbol(xen_store_interface)), > size, vma->vm_page_prot)) > return -EAGAIN; > > diff --git a/drivers/xen/xenfs/xenstored.c b/drivers/xen/xenfs/xenstored.c > index fef20db..21009ea 100644 > --- a/drivers/xen/xenfs/xenstored.c > +++ b/drivers/xen/xenfs/xenstored.c > @@ -38,7 +38,7 @@ static int xsd_kva_mmap(struct file *file, struct vm_area_struct *vma) > return -EINVAL; > > if (remap_pfn_range(vma, vma->vm_start, > - virt_to_pfn(xen_store_interface), > + PHYS_PFN(__pa_symbol(xen_store_interface)), > size, vma->vm_page_prot)) > return -EAGAIN; > I suspect this won't work --- xen_store_interface doesn't point to a kernel symbol. -boris -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href