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-rw-r--r--arch/s390/Kconfig3
-rw-r--r--arch/s390/hypfs/inode.c6
-rw-r--r--arch/s390/include/asm/compat.h7
-rw-r--r--arch/s390/include/asm/jump_label.h2
-rw-r--r--arch/s390/include/asm/perf_event.h1
-rw-r--r--arch/s390/include/asm/qeth.h7
-rw-r--r--arch/s390/include/asm/socket.h4
-rw-r--r--arch/s390/kernel/compat_wrapper.S2
-rw-r--r--arch/s390/kernel/crash_dump.c1
-rw-r--r--arch/s390/kernel/irq.c9
-rw-r--r--arch/s390/kernel/process.c10
-rw-r--r--arch/s390/kernel/ptrace.c2
-rw-r--r--arch/s390/kernel/setup.c2
-rw-r--r--arch/s390/kernel/signal.c1
-rw-r--r--arch/s390/kernel/smp.c6
-rw-r--r--arch/s390/kernel/time.c7
-rw-r--r--arch/s390/mm/fault.c1
-rw-r--r--arch/s390/mm/init.c30
-rw-r--r--arch/s390/mm/mmap.c2
-rw-r--r--arch/s390/mm/pgtable.c2
20 files changed, 58 insertions, 47 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index d1727584230..6d99a5fcc09 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -227,6 +227,9 @@ config COMPAT
config SYSVIPC_COMPAT
def_bool y if COMPAT && SYSVIPC
+config KEYS_COMPAT
+ def_bool y if COMPAT && KEYS
+
config AUDIT_ARCH
def_bool y
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 8a2a887478c..6a2cb560e96 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -293,11 +293,9 @@ static int hypfs_fill_super(struct super_block *sb, void *data, int silent)
return -ENOMEM;
root_inode->i_op = &simple_dir_inode_operations;
root_inode->i_fop = &simple_dir_operations;
- sb->s_root = root_dentry = d_alloc_root(root_inode);
- if (!root_dentry) {
- iput(root_inode);
+ sb->s_root = root_dentry = d_make_root(root_inode);
+ if (!root_dentry)
return -ENOMEM;
- }
if (MACHINE_IS_VM)
rc = hypfs_vm_create_files(sb, root_dentry);
else
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 2e49748b27d..234f1d859ce 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -172,13 +172,6 @@ static inline int is_compat_task(void)
return is_32bit_task();
}
-#else
-
-static inline int is_compat_task(void)
-{
- return 0;
-}
-
#endif
static inline void __user *arch_compat_alloc_user_space(long len)
diff --git a/arch/s390/include/asm/jump_label.h b/arch/s390/include/asm/jump_label.h
index 95a6cf2b5b6..6c32190dc73 100644
--- a/arch/s390/include/asm/jump_label.h
+++ b/arch/s390/include/asm/jump_label.h
@@ -13,7 +13,7 @@
#define ASM_ALIGN ".balign 4"
#endif
-static __always_inline bool arch_static_branch(struct jump_label_key *key)
+static __always_inline bool arch_static_branch(struct static_key *key)
{
asm goto("0: brcl 0,0\n"
".pushsection __jump_table, \"aw\"\n"
diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h
index a75f168d271..4eb444edbe4 100644
--- a/arch/s390/include/asm/perf_event.h
+++ b/arch/s390/include/asm/perf_event.h
@@ -6,4 +6,3 @@
/* Empty, just to avoid compiling error */
-#define PERF_EVENT_INDEX_OFFSET 0
diff --git a/arch/s390/include/asm/qeth.h b/arch/s390/include/asm/qeth.h
index 90efda0b137..2c7c898c03e 100644
--- a/arch/s390/include/asm/qeth.h
+++ b/arch/s390/include/asm/qeth.h
@@ -20,6 +20,7 @@
#define SIOC_QETH_ARP_FLUSH_CACHE (SIOCDEVPRIVATE + 4)
#define SIOC_QETH_ADP_SET_SNMP_CONTROL (SIOCDEVPRIVATE + 5)
#define SIOC_QETH_GET_CARD_TYPE (SIOCDEVPRIVATE + 6)
+#define SIOC_QETH_QUERY_OAT (SIOCDEVPRIVATE + 7)
struct qeth_arp_cache_entry {
__u8 macaddr[6];
@@ -107,4 +108,10 @@ struct qeth_arp_query_user_data {
char *entries;
} __attribute__((packed));
+struct qeth_query_oat_data {
+ __u32 command;
+ __u32 buffer_len;
+ __u32 response_len;
+ __u64 ptr;
+};
#endif /* __ASM_S390_QETH_IOCTL_H__ */
diff --git a/arch/s390/include/asm/socket.h b/arch/s390/include/asm/socket.h
index 67b5c1b14b5..c91b720965c 100644
--- a/arch/s390/include/asm/socket.h
+++ b/arch/s390/include/asm/socket.h
@@ -72,5 +72,9 @@
#define SO_WIFI_STATUS 41
#define SCM_WIFI_STATUS SO_WIFI_STATUS
+#define SO_PEEK_OFF 42
+
+/* Instruct lower device to use last 4-bytes of skb data as FCS */
+#define SO_NOFCS 43
#endif /* _ASM_SOCKET_H */
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 18c51df9fe0..ff605a39cf4 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -662,7 +662,7 @@ ENTRY(sys32_getresuid16_wrapper)
ENTRY(sys32_poll_wrapper)
llgtr %r2,%r2 # struct pollfd *
llgfr %r3,%r3 # unsigned int
- lgfr %r4,%r4 # long
+ lgfr %r4,%r4 # int
jg sys_poll # branch to system call
ENTRY(sys32_setresgid16_wrapper)
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index 39f8fd4438f..c383ce440d9 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -11,7 +11,6 @@
#include <linux/module.h>
#include <linux/gfp.h>
#include <linux/slab.h>
-#include <linux/crash_dump.h>
#include <linux/bootmem.h>
#include <linux/elf.h>
#include <asm/ipl.h>
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index b9a7fdd9c81..e30b2dfa8ba 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -165,13 +165,6 @@ static inline int ext_hash(u16 code)
return (code + (code >> 9)) & 0xff;
}
-static void ext_int_hash_update(struct rcu_head *head)
-{
- struct ext_int_info *p = container_of(head, struct ext_int_info, rcu);
-
- kfree(p);
-}
-
int register_external_interrupt(u16 code, ext_int_handler_t handler)
{
struct ext_int_info *p;
@@ -202,7 +195,7 @@ int unregister_external_interrupt(u16 code, ext_int_handler_t handler)
list_for_each_entry_rcu(p, &ext_int_hash[index], entry)
if (p->code == code && p->handler == handler) {
list_del_rcu(&p->entry);
- call_rcu(&p->rcu, ext_int_hash_update);
+ kfree_rcu(p, rcu);
}
spin_unlock_irqrestore(&ext_int_hash_lock, flags);
return 0;
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 3201ae44799..7618085b416 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -29,7 +29,6 @@
#include <asm/irq.h>
#include <asm/timer.h>
#include <asm/nmi.h>
-#include <asm/compat.h>
#include <asm/smp.h>
#include "entry.h"
@@ -76,7 +75,6 @@ static void default_idle(void)
if (test_thread_flag(TIF_MCCK_PENDING)) {
local_mcck_enable();
local_irq_enable();
- s390_handle_mcck();
return;
}
trace_hardirqs_on();
@@ -93,13 +91,13 @@ void cpu_idle(void)
for (;;) {
tick_nohz_idle_enter();
rcu_idle_enter();
- while (!need_resched())
+ while (!need_resched() && !test_thread_flag(TIF_MCCK_PENDING))
default_idle();
rcu_idle_exit();
tick_nohz_idle_exit();
- preempt_enable_no_resched();
- schedule();
- preempt_disable();
+ if (test_thread_flag(TIF_MCCK_PENDING))
+ s390_handle_mcck();
+ schedule_preempt_disabled();
}
}
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 9d82ed4bcb2..61f95489d70 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -20,8 +20,8 @@
#include <linux/regset.h>
#include <linux/tracehook.h>
#include <linux/seccomp.h>
+#include <linux/compat.h>
#include <trace/syscall.h>
-#include <asm/compat.h>
#include <asm/segment.h>
#include <asm/page.h>
#include <asm/pgtable.h>
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 354de0763ef..3b2efc81f34 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -46,6 +46,7 @@
#include <linux/kexec.h>
#include <linux/crash_dump.h>
#include <linux/memory.h>
+#include <linux/compat.h>
#include <asm/ipl.h>
#include <asm/uaccess.h>
@@ -59,7 +60,6 @@
#include <asm/ptrace.h>
#include <asm/sections.h>
#include <asm/ebcdic.h>
-#include <asm/compat.h>
#include <asm/kvm_virtio.h>
#include <asm/diag.h>
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index a8ba840294f..2d421d90fad 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -30,7 +30,6 @@
#include <asm/ucontext.h>
#include <asm/uaccess.h>
#include <asm/lowcore.h>
-#include <asm/compat.h>
#include "entry.h"
#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 2398ce6b15a..b0e28c47ab8 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -550,12 +550,6 @@ int __cpuinit start_secondary(void *cpuvoid)
S390_lowcore.restart_psw.addr =
PSW_ADDR_AMODE | (unsigned long) psw_restart_int_handler;
__ctl_set_bit(0, 28); /* Enable lowcore protection */
- /*
- * Wait until the cpu which brought this one up marked it
- * active before enabling interrupts.
- */
- while (!cpumask_test_cpu(smp_processor_id(), cpu_active_mask))
- cpu_relax();
local_irq_enable();
/* cpu_idle will call schedule for us */
cpu_idle();
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index fa02f443f5f..14da278febb 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -113,11 +113,14 @@ static void fixup_clock_comparator(unsigned long long delta)
static int s390_next_ktime(ktime_t expires,
struct clock_event_device *evt)
{
+ struct timespec ts;
u64 nsecs;
- nsecs = ktime_to_ns(ktime_sub(expires, ktime_get_monotonic_offset()));
+ ts.tv_sec = ts.tv_nsec = 0;
+ monotonic_to_bootbased(&ts);
+ nsecs = ktime_to_ns(ktime_add(timespec_to_ktime(ts), expires));
do_div(nsecs, 125);
- S390_lowcore.clock_comparator = TOD_UNIX_EPOCH + (nsecs << 9);
+ S390_lowcore.clock_comparator = sched_clock_base_cc + (nsecs << 9);
set_clock_comparator(S390_lowcore.clock_comparator);
return 0;
}
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 354dd39073e..e8fcd928dc7 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -36,7 +36,6 @@
#include <asm/pgtable.h>
#include <asm/irq.h>
#include <asm/mmu_context.h>
-#include <asm/compat.h>
#include "../kernel/entry.h"
#ifndef CONFIG_64BIT
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 5d633019d8f..50236610de8 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -223,16 +223,38 @@ void free_initrd_mem(unsigned long start, unsigned long end)
#ifdef CONFIG_MEMORY_HOTPLUG
int arch_add_memory(int nid, u64 start, u64 size)
{
- struct pglist_data *pgdat;
+ unsigned long zone_start_pfn, zone_end_pfn, nr_pages;
+ unsigned long start_pfn = PFN_DOWN(start);
+ unsigned long size_pages = PFN_DOWN(size);
struct zone *zone;
int rc;
- pgdat = NODE_DATA(nid);
- zone = pgdat->node_zones + ZONE_MOVABLE;
rc = vmem_add_mapping(start, size);
if (rc)
return rc;
- rc = __add_pages(nid, zone, PFN_DOWN(start), PFN_DOWN(size));
+ for_each_zone(zone) {
+ if (zone_idx(zone) != ZONE_MOVABLE) {
+ /* Add range within existing zone limits */
+ zone_start_pfn = zone->zone_start_pfn;
+ zone_end_pfn = zone->zone_start_pfn +
+ zone->spanned_pages;
+ } else {
+ /* Add remaining range to ZONE_MOVABLE */
+ zone_start_pfn = start_pfn;
+ zone_end_pfn = start_pfn + size_pages;
+ }
+ if (start_pfn < zone_start_pfn || start_pfn >= zone_end_pfn)
+ continue;
+ nr_pages = (start_pfn + size_pages > zone_end_pfn) ?
+ zone_end_pfn - start_pfn : size_pages;
+ rc = __add_pages(nid, zone, start_pfn, nr_pages);
+ if (rc)
+ break;
+ start_pfn += nr_pages;
+ size_pages -= nr_pages;
+ if (!size_pages)
+ break;
+ }
if (rc)
vmem_remove_mapping(start, size);
return rc;
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c
index f09c74881b7..a0155c02e32 100644
--- a/arch/s390/mm/mmap.c
+++ b/arch/s390/mm/mmap.c
@@ -29,8 +29,8 @@
#include <linux/mman.h>
#include <linux/module.h>
#include <linux/random.h>
+#include <linux/compat.h>
#include <asm/pgalloc.h>
-#include <asm/compat.h>
static unsigned long stack_maxrandom_size(void)
{
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index 9a4d02f64f1..51b0738e13d 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -574,7 +574,7 @@ static inline void page_table_free_pgste(unsigned long *table)
page = pfn_to_page(__pa(table) >> PAGE_SHIFT);
mp = (struct gmap_pgtable *) page->index;
BUG_ON(!list_empty(&mp->mapper));
- pgtable_page_ctor(page);
+ pgtable_page_dtor(page);
atomic_set(&page->_mapcount, -1);
kfree(mp);
__free_page(page);