On 08/04/2015 02:12 PM, Julien Grall wrote:
/*
* We detect special mappings in one of two ways:
@@ -217,9 +232,13 @@ static inline unsigned long bfn_to_local_pfn(unsigned long mfn)
/* VIRT <-> MACHINE conversion */
#define virt_to_machine(v) (phys_to_machine(XPADDR(__pa(v))))
-#define virt_to_pfn(v) (PFN_DOWN(__pa(v)))
#define virt_to_mfn(v) (pfn_to_mfn(virt_to_pfn(v)))
#define mfn_to_virt(m) (__va(mfn_to_pfn(m) << PAGE_SHIFT))
+#define virt_to_pfn(v) (PFN_DOWN(__pa(v)))
This looks like unnecessary change.
diff --git a/drivers/video/fbdev/xen-fbfront.c b/drivers/video/fbdev/xen-fbfront.c
index 09dc447..25e3cce 100644
--- a/drivers/video/fbdev/xen-fbfront.c
+++ b/drivers/video/fbdev/xen-fbfront.c
@@ -539,7 +539,7 @@ static int xenfb_remove(struct xenbus_device *dev)
static unsigned long vmalloc_to_mfn(void *address)
{
- return pfn_to_mfn(vmalloc_to_pfn(address));
+ return pfn_to_gfn(vmalloc_to_pfn(address));
}
Are you sure? This will return vmalloc_to_pfn(address)).
-boris
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