Hi Juergen,
On 09/25/2017 11:00 AM, Juergen Gross wrote:
diff --git a/xen/include/asm-arm/grant_table.h
b/xen/include/asm-arm/grant_table.h
index 30db2d1616..bcdeada9ca 100644
--- a/xen/include/asm-arm/grant_table.h
+++ b/xen/include/asm-arm/grant_table.h
@@ -2,9 +2,11 @@
#define __ASM_GRANT_TABLE_H__
#include <xen/grant_table.h>
+#include <xen/kernel.h>
+#include <xen/pfn.h>
#include <xen/sched.h>
-#define INITIAL_NR_GRANT_FRAMES 4
+#define INITIAL_NR_GRANT_FRAMES 1U
struct grant_table_arch {
gfn_t *gfn;
@@ -26,9 +28,14 @@ static inline int replace_grant_supported(void)
return 1;
}
+static inline unsigned int gnttab_dom0_max(void)
+{
+ return PFN_DOWN(_etext - _stext);
+}
I think you need a comment on top of this function explaining why you
return this value. Re-using part of the comment in find_gnttab_region
would be fine to me.
Cheers,
--
Julien Grall
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