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Diffstat (limited to 'arch/s390/kernel/ipl.c')
-rw-r--r--arch/s390/kernel/ipl.c32
1 files changed, 14 insertions, 18 deletions
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index f20abdb5630a..295bfb7124bc 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -121,9 +121,9 @@ static char *dump_type_str(enum dump_type type)
* Must be in data section since the bss section
* is not cleared when these are accessed.
*/
-static u8 ipl_ssid __attribute__((__section__(".data"))) = 0;
-static u16 ipl_devno __attribute__((__section__(".data"))) = 0;
-u32 ipl_flags __attribute__((__section__(".data"))) = 0;
+static u8 ipl_ssid __section(.data) = 0;
+static u16 ipl_devno __section(.data) = 0;
+u32 ipl_flags __section(.data) = 0;
enum ipl_method {
REIPL_METHOD_CCW_CIO,
@@ -174,7 +174,7 @@ static inline int __diag308(unsigned long subcode, void *addr)
asm volatile(
" diag %0,%2,0x308\n"
- "0:\n"
+ "0: nopr %%r7\n"
EX_TABLE(0b,0b)
: "+d" (_addr), "+d" (_rc)
: "d" (subcode) : "cc", "memory");
@@ -563,7 +563,7 @@ static struct kset *ipl_kset;
static void __ipl_run(void *unused)
{
- diag308(DIAG308_IPL, NULL);
+ diag308(DIAG308_LOAD_CLEAR, NULL);
if (MACHINE_IS_VM)
__cpcmd("IPL", NULL, 0, NULL);
else if (ipl_info.type == IPL_TYPE_CCW)
@@ -1085,21 +1085,24 @@ static void __reipl_run(void *unused)
break;
case REIPL_METHOD_CCW_DIAG:
diag308(DIAG308_SET, reipl_block_ccw);
- diag308(DIAG308_IPL, NULL);
+ if (MACHINE_IS_LPAR)
+ diag308(DIAG308_LOAD_NORMAL_DUMP, NULL);
+ else
+ diag308(DIAG308_LOAD_CLEAR, NULL);
break;
case REIPL_METHOD_FCP_RW_DIAG:
diag308(DIAG308_SET, reipl_block_fcp);
- diag308(DIAG308_IPL, NULL);
+ diag308(DIAG308_LOAD_CLEAR, NULL);
break;
case REIPL_METHOD_FCP_RO_DIAG:
- diag308(DIAG308_IPL, NULL);
+ diag308(DIAG308_LOAD_CLEAR, NULL);
break;
case REIPL_METHOD_FCP_RO_VM:
__cpcmd("IPL", NULL, 0, NULL);
break;
case REIPL_METHOD_NSS_DIAG:
diag308(DIAG308_SET, reipl_block_nss);
- diag308(DIAG308_IPL, NULL);
+ diag308(DIAG308_LOAD_CLEAR, NULL);
break;
case REIPL_METHOD_NSS:
get_ipl_string(buf, reipl_block_nss, REIPL_METHOD_NSS);
@@ -1108,7 +1111,7 @@ static void __reipl_run(void *unused)
case REIPL_METHOD_DEFAULT:
if (MACHINE_IS_VM)
__cpcmd("IPL", NULL, 0, NULL);
- diag308(DIAG308_IPL, NULL);
+ diag308(DIAG308_LOAD_CLEAR, NULL);
break;
case REIPL_METHOD_FCP_DUMP:
break;
@@ -1423,7 +1426,7 @@ static void diag308_dump(void *dump_block)
{
diag308(DIAG308_SET, dump_block);
while (1) {
- if (diag308(DIAG308_DUMP, NULL) != 0x302)
+ if (diag308(DIAG308_LOAD_NORMAL_DUMP, NULL) != 0x302)
break;
udelay_simple(USEC_PER_SEC);
}
@@ -2064,12 +2067,5 @@ void s390_reset_system(void)
S390_lowcore.program_new_psw.addr =
(unsigned long) s390_base_pgm_handler;
- /*
- * Clear subchannel ID and number to signal new kernel that no CCW or
- * SCSI IPL has been done (for kexec and kdump)
- */
- S390_lowcore.subchannel_id = 0;
- S390_lowcore.subchannel_nr = 0;
-
do_reset_calls();
}