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-rw-r--r--arch/s390/include/asm/eadm.h6
-rw-r--r--arch/s390/include/asm/tlbflush.h2
-rw-r--r--arch/s390/kernel/entry.S3
-rw-r--r--arch/s390/kernel/entry64.S5
-rw-r--r--arch/s390/kernel/setup.c2
5 files changed, 12 insertions, 6 deletions
diff --git a/arch/s390/include/asm/eadm.h b/arch/s390/include/asm/eadm.h
index 8d4847191ecc..dc9200ca32ed 100644
--- a/arch/s390/include/asm/eadm.h
+++ b/arch/s390/include/asm/eadm.h
@@ -34,6 +34,8 @@ struct arsb {
u32 reserved[4];
} __packed;
+#define EQC_WR_PROHIBIT 22
+
struct msb {
u8 fmt:4;
u8 oc:4;
@@ -96,11 +98,13 @@ struct scm_device {
#define OP_STATE_TEMP_ERR 2
#define OP_STATE_PERM_ERR 3
+enum scm_event {SCM_CHANGE, SCM_AVAIL};
+
struct scm_driver {
struct device_driver drv;
int (*probe) (struct scm_device *scmdev);
int (*remove) (struct scm_device *scmdev);
- void (*notify) (struct scm_device *scmdev);
+ void (*notify) (struct scm_device *scmdev, enum scm_event event);
void (*handler) (struct scm_device *scmdev, void *data, int error);
};
diff --git a/arch/s390/include/asm/tlbflush.h b/arch/s390/include/asm/tlbflush.h
index 1d8fe2b17ef6..6b32af30878c 100644
--- a/arch/s390/include/asm/tlbflush.h
+++ b/arch/s390/include/asm/tlbflush.h
@@ -74,8 +74,6 @@ static inline void __tlb_flush_idte(unsigned long asce)
static inline void __tlb_flush_mm(struct mm_struct * mm)
{
- if (unlikely(cpumask_empty(mm_cpumask(mm))))
- return;
/*
* If the machine has IDTE we prefer to do a per mm flush
* on all cpus instead of doing a local flush if the mm
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 550228523267..94feff7d6132 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -636,7 +636,8 @@ ENTRY(mcck_int_handler)
UPDATE_VTIME %r14,%r15,__LC_MCCK_ENTER_TIMER
mcck_skip:
SWITCH_ASYNC __LC_GPREGS_SAVE_AREA+32,__LC_PANIC_STACK,PAGE_SHIFT
- mvc __PT_R0(64,%r11),__LC_GPREGS_SAVE_AREA
+ stm %r0,%r7,__PT_R0(%r11)
+ mvc __PT_R8(32,%r11),__LC_GPREGS_SAVE_AREA+32
stm %r8,%r9,__PT_PSW(%r11)
xc __SF_BACKCHAIN(4,%r15),__SF_BACKCHAIN(%r15)
l %r1,BASED(.Ldo_machine_check)
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 9c837c101297..2e6d60c55f90 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -678,8 +678,9 @@ ENTRY(mcck_int_handler)
UPDATE_VTIME %r14,__LC_MCCK_ENTER_TIMER
LAST_BREAK %r14
mcck_skip:
- lghi %r14,__LC_GPREGS_SAVE_AREA
- mvc __PT_R0(128,%r11),0(%r14)
+ lghi %r14,__LC_GPREGS_SAVE_AREA+64
+ stmg %r0,%r7,__PT_R0(%r11)
+ mvc __PT_R8(64,%r11),0(%r14)
stmg %r8,%r9,__PT_PSW(%r11)
xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15)
lgr %r2,%r11 # pass pointer to pt_regs
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index a5360de85ec7..29268859d8ee 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -571,6 +571,8 @@ static void __init setup_memory_end(void)
/* Split remaining virtual space between 1:1 mapping & vmemmap array */
tmp = VMALLOC_START / (PAGE_SIZE + sizeof(struct page));
+ /* vmemmap contains a multiple of PAGES_PER_SECTION struct pages */
+ tmp = SECTION_ALIGN_UP(tmp);
tmp = VMALLOC_START - tmp * sizeof(struct page);
tmp &= ~((vmax >> 11) - 1); /* align to page table level */
tmp = min(tmp, 1UL << MAX_PHYSMEM_BITS);