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authorHendrik Brueckner <brueckner@linux.vnet.ibm.com>2009-09-11 10:28:53 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2009-09-11 10:29:51 +0200
commit11af97e18ea8c310d73b59f1361e6f04444e05a8 (patch)
tree966dab912e7f64b686c1ebfb2a652321ca66dd65 /arch/s390/kernel/early.c
parentedc44fa03ed7bc9847787e080190cf1d7ed68ceb (diff)
downloadlinux-2.6.34-ux500-11af97e18ea8c310d73b59f1361e6f04444e05a8.tar.gz
[S390] kernel: Print an error message if kernel NSS cannot be defined
If a named saved system (NSS) cannot be defined or saved, print out an error message with the return code of the underlying z/VM CP command. Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/early.c')
-rw-r--r--arch/s390/kernel/early.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 734deeaa736..bf8b4ae7ff2 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -6,6 +6,9 @@
* Heiko Carstens <heiko.carstens@de.ibm.com>
*/
+#define KMSG_COMPONENT "setup"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
#include <linux/compiler.h>
#include <linux/init.h>
#include <linux/errno.h>
@@ -16,6 +19,7 @@
#include <linux/module.h>
#include <linux/pfn.h>
#include <linux/uaccess.h>
+#include <linux/kernel.h>
#include <asm/ebcdic.h>
#include <asm/ipl.h>
#include <asm/lowcore.h>
@@ -140,6 +144,8 @@ static noinline __init void create_kernel_nss(void)
__cpcmd(defsys_cmd, NULL, 0, &response);
if (response != 0) {
+ pr_err("Defining the Linux kernel NSS failed with rc=%d\n",
+ response);
kernel_nss_name[0] = '\0';
return;
}
@@ -152,8 +158,11 @@ static noinline __init void create_kernel_nss(void)
* max SAVESYS_CMD_SIZE
* On error: response contains the numeric portion of cp error message.
* for SAVESYS it will be >= 263
+ * for missing privilege class, it will be 1
*/
- if (response > SAVESYS_CMD_SIZE) {
+ if (response > SAVESYS_CMD_SIZE || response == 1) {
+ pr_err("Saving the Linux kernel NSS failed with rc=%d\n",
+ response);
kernel_nss_name[0] = '\0';
return;
}