[PATCH] staging: unisys: fix kdump support
Benjamin Romer
benjamin.romer at unisys.com
Mon Apr 6 14:27:40 UTC 2015
The s-Par drivers used to be out-of-tree, so they needed a parameter to
let them know we were going into a dump. This patch removes that code
and uses the built-in kernel function instead.
Reviewed-by: Jes Sorensen <Jes.Sorensen at redhat.com>
Signed-off-by: Benjamin Romer <benjamin.romer at unisys.com>
---
drivers/staging/unisys/visorchipset/globals.h | 1 -
drivers/staging/unisys/visorchipset/visorchipset_main.c | 7 ++-----
2 files changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/unisys/visorchipset/globals.h b/drivers/staging/unisys/visorchipset/globals.h
index f76e498..36b21ec 100644
--- a/drivers/staging/unisys/visorchipset/globals.h
+++ b/drivers/staging/unisys/visorchipset/globals.h
@@ -36,7 +36,6 @@ extern int visorchipset_serverregwait;
extern int visorchipset_clientregwait;
extern int visorchipset_testteardown;
extern int visorchipset_disable_controlvm;
-extern int visorchipset_crash_kernel;
extern int visorchipset_holdchipsetready;
#endif
diff --git a/drivers/staging/unisys/visorchipset/visorchipset_main.c b/drivers/staging/unisys/visorchipset/visorchipset_main.c
index f2663d2c..899bf68 100644
--- a/drivers/staging/unisys/visorchipset/visorchipset_main.c
+++ b/drivers/staging/unisys/visorchipset/visorchipset_main.c
@@ -30,6 +30,7 @@
#include <linux/netdevice.h>
#include <linux/platform_device.h>
#include <linux/uuid.h>
+#include <linux/crash_dump.h>
#define CURRENT_FILE_PC VISOR_CHIPSET_PC_visorchipset_main_c
#define TEST_VNIC_PHYSITF "eth0" /* physical network itf for
@@ -2207,7 +2208,7 @@ visorchipset_init(void)
}
if (!visorchipset_disable_controlvm) {
/* if booting in a crash kernel */
- if (visorchipset_crash_kernel)
+ if (is_kdump_kernel())
INIT_DELAYED_WORK(&periodic_controlvm_work,
setup_crash_devices_work_queue);
else
@@ -2315,10 +2316,6 @@ module_param_named(disable_controlvm, visorchipset_disable_controlvm, int,
MODULE_PARM_DESC(visorchipset_disable_controlvm,
"1 to disable polling of controlVm channel");
int visorchipset_disable_controlvm = 0; /* default is off */
-module_param_named(crash_kernel, visorchipset_crash_kernel, int, S_IRUGO);
-MODULE_PARM_DESC(visorchipset_crash_kernel,
- "1 means we are running in crash kernel");
-int visorchipset_crash_kernel = 0; /* default is running in non-crash kernel */
module_param_named(holdchipsetready, visorchipset_holdchipsetready,
int, S_IRUGO);
MODULE_PARM_DESC(visorchipset_holdchipsetready,
--
2.1.0
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