diff options
Diffstat (limited to 'arch/ia64/xen/xencomm.c')
| -rw-r--r-- | arch/ia64/xen/xencomm.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/ia64/xen/xencomm.c b/arch/ia64/xen/xencomm.c index 3dc307f0a40d..1f5d7ac82e97 100644 --- a/arch/ia64/xen/xencomm.c +++ b/arch/ia64/xen/xencomm.c @@ -19,11 +19,22 @@ #include <linux/mm.h> static unsigned long kernel_virtual_offset; +static int is_xencomm_initialized; + +/* for xen early printk. It uses console io hypercall which uses xencomm. + * However early printk may use it before xencomm initialization. + */ +int +xencomm_is_initialized(void) +{ + return is_xencomm_initialized; +} void xencomm_initialize(void) { kernel_virtual_offset = KERNEL_START - ia64_tpa(KERNEL_START); + is_xencomm_initialized = 1; } /* Translate virtual address to physical address. */ |