1 files changed, 46 insertions, 26 deletions

diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index bed9dcb34fda..ba724d180be7 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -14,6 +14,9 @@
  * This file handles the architecture-dependent parts of initialization
  */
 
+#define KMSG_COMPONENT "setup"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include <linux/errno.h>
 #include <linux/module.h>
 #include <linux/sched.h>
@@ -291,8 +294,8 @@ unsigned int switch_amode = 0;
 #endif
 EXPORT_SYMBOL_GPL(switch_amode);
 
-static void set_amode_and_uaccess(unsigned long user_amode,
-                                  unsigned long user32_amode)
+static int set_amode_and_uaccess(unsigned long user_amode,
+                                 unsigned long user32_amode)
 {
         psw_user_bits = PSW_BASE_BITS | PSW_MASK_DAT | user_amode |
                         PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK |
@@ -309,11 +312,11 @@ static void set_amode_and_uaccess(unsigned long user_amode,
                           PSW_MASK_MCHECK | PSW_DEFAULT_KEY;
 
         if (MACHINE_HAS_MVCOS) {
-                printk("mvcos available.\n");
                 memcpy(&uaccess, &uaccess_mvcos_switch, sizeof(uaccess));
+                return 1;
         } else {
-                printk("mvcos not available.\n");
                 memcpy(&uaccess, &uaccess_pt, sizeof(uaccess));
+                return 0;
         }
 }
 
@@ -328,9 +331,10 @@ static int __init early_parse_switch_amode(char *p)
 early_param("switch_amode", early_parse_switch_amode);
 
 #else /* CONFIG_S390_SWITCH_AMODE */
-static inline void set_amode_and_uaccess(unsigned long user_amode,
-                                         unsigned long user32_amode)
+static inline int set_amode_and_uaccess(unsigned long user_amode,
+                                        unsigned long user32_amode)
 {
+        return 0;
 }
 #endif /* CONFIG_S390_SWITCH_AMODE */
 
@@ -355,11 +359,20 @@ early_param("noexec", early_parse_noexec);
 static void setup_addressing_mode(void)
 {
         if (s390_noexec) {
-                printk("S390 execute protection active, ");
-                set_amode_and_uaccess(PSW_ASC_SECONDARY, PSW32_ASC_SECONDARY);
+                if (set_amode_and_uaccess(PSW_ASC_SECONDARY,
+                                          PSW32_ASC_SECONDARY))
+                        pr_info("Execute protection active, "
+                                "mvcos available\n");
+                else
+                        pr_info("Execute protection active, "
+                                "mvcos not available\n");
         } else if (switch_amode) {
-                printk("S390 address spaces switched, ");
-                set_amode_and_uaccess(PSW_ASC_PRIMARY, PSW32_ASC_PRIMARY);
+                if (set_amode_and_uaccess(PSW_ASC_PRIMARY, PSW32_ASC_PRIMARY))
+                        pr_info("Address spaces switched, "
+                                "mvcos available\n");
+                else
+                        pr_info("Address spaces switched, "
+                                "mvcos not available\n");
         }
 #ifdef CONFIG_TRACE_IRQFLAGS
         sysc_restore_trace_psw.mask = psw_kernel_bits & ~PSW_MASK_MCHECK;
@@ -572,15 +585,15 @@ setup_memory(void)
                         start = PFN_PHYS(start_pfn) + bmap_size + PAGE_SIZE;
 
                         if (start + INITRD_SIZE > memory_end) {
-                                printk("initrd extends beyond end of memory "
-                                       "(0x%08lx > 0x%08lx)\n"
+                                pr_err("initrd extends beyond end of "
+                                       "memory (0x%08lx > 0x%08lx) "
                                        "disabling initrd\n",
                                        start + INITRD_SIZE, memory_end);
                                 INITRD_START = INITRD_SIZE = 0;
                         } else {
-                                printk("Moving initrd (0x%08lx -> 0x%08lx, "
-                                       "size: %ld)\n",
-                                       INITRD_START, start, INITRD_SIZE);
+                                pr_info("Moving initrd (0x%08lx -> "
+                                        "0x%08lx, size: %ld)\n",
+                                        INITRD_START, start, INITRD_SIZE);
                                 memmove((void *) start, (void *) INITRD_START,
                                         INITRD_SIZE);
                                 INITRD_START = start;
@@ -642,8 +655,9 @@ setup_memory(void)
                         initrd_start = INITRD_START;
                         initrd_end = initrd_start + INITRD_SIZE;
                 } else {
-                        printk("initrd extends beyond end of memory "
-                               "(0x%08lx > 0x%08lx)\ndisabling initrd\n",
+                        pr_err("initrd extends beyond end of "
+                               "memory (0x%08lx > 0x%08lx) "
+                               "disabling initrd\n",
                                initrd_start + INITRD_SIZE, memory_end);
                         initrd_start = initrd_end = 0;
                 }
@@ -747,21 +761,27 @@ setup_arch(char **cmdline_p)
          * print what head.S has found out about the machine
          */
 #ifndef CONFIG_64BIT
-        printk((MACHINE_IS_VM) ?
-               "We are running under VM (31 bit mode)\n" :
-               "We are running native (31 bit mode)\n");
-        printk((MACHINE_HAS_IEEE) ?
-               "This machine has an IEEE fpu\n" :
-               "This machine has no IEEE fpu\n");
+        if (MACHINE_IS_VM)
+                pr_info("Linux is running as a z/VM "
+                        "guest operating system in 31-bit mode\n");
+        else
+                pr_info("Linux is running natively in 31-bit mode\n");
+        if (MACHINE_HAS_IEEE)
+                pr_info("The hardware system has IEEE compatible "
+                        "floating point units\n");
+        else
+                pr_info("The hardware system has no IEEE compatible "
+                        "floating point units\n");
 #else /* CONFIG_64BIT */
         if (MACHINE_IS_VM)
-                printk("We are running under VM (64 bit mode)\n");
+                pr_info("Linux is running as a z/VM "
+                        "guest operating system in 64-bit mode\n");
         else if (MACHINE_IS_KVM) {
-                printk("We are running under KVM (64 bit mode)\n");
+                pr_info("Linux is running under KVM in 64-bit mode\n");
                 add_preferred_console("hvc", 0, NULL);
                 s390_virtio_console_init();
         } else
-                printk("We are running native (64 bit mode)\n");
+                pr_info("Linux is running natively in 64-bit mode\n");
 #endif /* CONFIG_64BIT */
 
         /* Have one command line that is parsed and saved in /proc/cmdline */