4 files changed, 2 insertions, 23 deletions

diff --git a/arch/s390/include/asm/os_info.h b/arch/s390/include/asm/os_info.h
index d07518af09ea..295f2c4f1c96 100644
--- a/arch/s390/include/asm/os_info.h
+++ b/arch/s390/include/asm/os_info.h
@@ -13,7 +13,6 @@
 
 #define OS_INFO_VMCOREINFO      0
 #define OS_INFO_REIPL_BLOCK     1
-#define OS_INFO_INIT_FN         2
 
 struct os_info_entry {
         u64     addr;
@@ -28,8 +27,8 @@ struct os_info {
         u16     version_minor;
         u64     crashkernel_addr;
         u64     crashkernel_size;
-        struct os_info_entry entry[3];
-        u8      reserved[4004];
+        struct os_info_entry entry[2];
+        u8      reserved[4024];
 } __packed;
 
 void os_info_init(void);
diff --git a/arch/s390/kernel/head_kdump.S b/arch/s390/kernel/head_kdump.S
index e1ac3893e972..796c976b5fdc 100644
--- a/arch/s390/kernel/head_kdump.S
+++ b/arch/s390/kernel/head_kdump.S
@@ -85,11 +85,6 @@ startup_kdump_relocated:
         basr    %r13,0
 0:
         mvc     0(8,%r0),.Lrestart_psw-0b(%r13) # Setup restart PSW
-        mvc     464(16,%r0),.Lpgm_psw-0b(%r13)  # Setup pgm check PSW
-        lhi     %r1,1                           # Start new kernel
-        diag    %r1,%r1,0x308                   # with diag 308
-
-.Lno_diag308:                                   # No diag 308
         sam31                                   # Switch to 31 bit addr mode
         sr      %r1,%r1                         # Erase register r1
         sr      %r2,%r2                         # Erase register r2
@@ -98,8 +93,6 @@ startup_kdump_relocated:
 .align  8
 .Lrestart_psw:
         .long   0x00080000,0x80000000 + startup
-.Lpgm_psw:
-        .quad   0x0000000180000000,0x0000000000000000 + .Lno_diag308
 #else
 .align 2
 .Lep_startup_kdump:
diff --git a/arch/s390/kernel/os_info.c b/arch/s390/kernel/os_info.c
index e8d6c214d498..f2fe18f3f01f 100644
--- a/arch/s390/kernel/os_info.c
+++ b/arch/s390/kernel/os_info.c
@@ -138,7 +138,6 @@ static void os_info_old_init(void)
                 goto fail_free;
         os_info_old_alloc(OS_INFO_VMCOREINFO, 1);
         os_info_old_alloc(OS_INFO_REIPL_BLOCK, 1);
-        os_info_old_alloc(OS_INFO_INIT_FN, PAGE_SIZE);
         pr_info("crashkernel: addr=0x%lx size=%lu\n",
                 (unsigned long) os_info_old->crashkernel_addr,
                 (unsigned long) os_info_old->crashkernel_size);
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 647ba9425893..9948bd09ee57 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -800,17 +800,6 @@ void __noreturn cpu_die(void)
 
 #endif /* CONFIG_HOTPLUG_CPU */
 
-static void smp_call_os_info_init_fn(void)
-{
-        int (*init_fn)(void);
-        unsigned long size;
-
-        init_fn = os_info_old_entry(OS_INFO_INIT_FN, &size);
-        if (!init_fn)
-                return;
-        init_fn();
-}
-
 void __init smp_prepare_cpus(unsigned int max_cpus)
 {
         /* request the 0x1201 emergency signal external interrupt */
@@ -819,7 +808,6 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
         /* request the 0x1202 external call external interrupt */
         if (register_external_interrupt(0x1202, do_ext_call_interrupt) != 0)
                 panic("Couldn't request external interrupt 0x1202");
-        smp_call_os_info_init_fn();
         smp_detect_cpus();
 }