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Diffstat (limited to 'arch/s390/mm')
-rw-r--r--arch/s390/mm/extmem.c3
-rw-r--r--arch/s390/mm/fault.c7
-rw-r--r--arch/s390/mm/hugetlbpage.c2
3 files changed, 10 insertions, 2 deletions
diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c
index 23c496957c22..18fccc303db7 100644
--- a/arch/s390/mm/extmem.c
+++ b/arch/s390/mm/extmem.c
@@ -18,6 +18,7 @@
#include <linux/bootmem.h>
#include <linux/ctype.h>
#include <linux/ioport.h>
+#include <asm/diag.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/ebcdic.h>
@@ -112,6 +113,7 @@ dcss_set_subcodes(void)
ry = DCSS_FINDSEGX;
strcpy(name, "dummy");
+ diag_stat_inc(DIAG_STAT_X064);
asm volatile(
" diag %0,%1,0x64\n"
"0: ipm %2\n"
@@ -205,6 +207,7 @@ dcss_diag(int *func, void *parameter,
ry = (unsigned long) *func;
/* 64-bit Diag x'64' new subcode, keep in 64-bit addressing mode */
+ diag_stat_inc(DIAG_STAT_X064);
if (*func > DCSS_SEGEXT)
asm volatile(
" diag %0,%1,0x64\n"
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index f985856a538b..ec1a30d0d11a 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -30,6 +30,7 @@
#include <linux/uaccess.h>
#include <linux/hugetlb.h>
#include <asm/asm-offsets.h>
+#include <asm/diag.h>
#include <asm/pgtable.h>
#include <asm/irq.h>
#include <asm/mmu_context.h>
@@ -589,7 +590,7 @@ int pfault_init(void)
.reffcode = 0,
.refdwlen = 5,
.refversn = 2,
- .refgaddr = __LC_CURRENT_PID,
+ .refgaddr = __LC_LPP,
.refselmk = 1ULL << 48,
.refcmpmk = 1ULL << 48,
.reserved = __PF_RES_FIELD };
@@ -597,6 +598,7 @@ int pfault_init(void)
if (pfault_disable)
return -1;
+ diag_stat_inc(DIAG_STAT_X258);
asm volatile(
" diag %1,%0,0x258\n"
"0: j 2f\n"
@@ -618,6 +620,7 @@ void pfault_fini(void)
if (pfault_disable)
return;
+ diag_stat_inc(DIAG_STAT_X258);
asm volatile(
" diag %0,0,0x258\n"
"0:\n"
@@ -646,7 +649,7 @@ static void pfault_interrupt(struct ext_code ext_code,
return;
inc_irq_stat(IRQEXT_PFL);
/* Get the token (= pid of the affected task). */
- pid = param64;
+ pid = param64 & LPP_PFAULT_PID_MASK;
rcu_read_lock();
tsk = find_task_by_pid_ns(pid, &init_pid_ns);
if (tsk)
diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c
index fb4bf2c4379e..f81096b6940d 100644
--- a/arch/s390/mm/hugetlbpage.c
+++ b/arch/s390/mm/hugetlbpage.c
@@ -40,6 +40,7 @@ static inline pmd_t __pte_to_pmd(pte_t pte)
pmd_val(pmd) |= (pte_val(pte) & _PAGE_PROTECT);
pmd_val(pmd) |= (pte_val(pte) & _PAGE_DIRTY) << 10;
pmd_val(pmd) |= (pte_val(pte) & _PAGE_YOUNG) << 10;
+ pmd_val(pmd) |= (pte_val(pte) & _PAGE_SOFT_DIRTY) << 13;
} else
pmd_val(pmd) = _SEGMENT_ENTRY_INVALID;
return pmd;
@@ -78,6 +79,7 @@ static inline pte_t __pmd_to_pte(pmd_t pmd)
pte_val(pte) |= (pmd_val(pmd) & _SEGMENT_ENTRY_PROTECT);
pte_val(pte) |= (pmd_val(pmd) & _SEGMENT_ENTRY_DIRTY) >> 10;
pte_val(pte) |= (pmd_val(pmd) & _SEGMENT_ENTRY_YOUNG) >> 10;
+ pte_val(pte) |= (pmd_val(pmd) & _SEGMENT_ENTRY_SOFT_DIRTY) >> 13;
} else
pte_val(pte) = _PAGE_INVALID;
return pte;