[89/90] sparc: Dont do hypervisor calls on non-sun4v in DS driver.

From: Greg KH
Date: Sun Aug 14 2011 - 12:10:52 EST


3.0-stable review patch. If anyone has any objections, please let us know.

------------------

From: "David S. Miller" <davem@xxxxxxxxxxxxx>

commit c92761fd9efcbbcb59e7bf4db88e29ce03229889 upstream.

Reported-by: Pieter-Paul Giesberts <pieterpg@xxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
arch/sparc/kernel/ds.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)

--- a/arch/sparc/kernel/ds.c
+++ b/arch/sparc/kernel/ds.c
@@ -1256,13 +1256,14 @@ static int __init ds_init(void)
{
unsigned long hv_ret, major, minor;

- hv_ret = sun4v_get_version(HV_GRP_REBOOT_DATA, &major, &minor);
- if (hv_ret == HV_EOK) {
- pr_info("SUN4V: Reboot data supported (maj=%lu,min=%lu).\n",
- major, minor);
- reboot_data_supported = 1;
+ if (tlb_type == hypervisor) {
+ hv_ret = sun4v_get_version(HV_GRP_REBOOT_DATA, &major, &minor);
+ if (hv_ret == HV_EOK) {
+ pr_info("SUN4V: Reboot data supported (maj=%lu,min=%lu).\n",
+ major, minor);
+ reboot_data_supported = 1;
+ }
}
-
kthread_run(ds_thread, NULL, "kldomd");

return vio_register_driver(&ds_driver);


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