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-rw-r--r--arch/arm/mach-ep93xx/ts72xx.c8
-rw-r--r--arch/i386/kernel/acpi/earlyquirk.c23
-rw-r--r--arch/i386/kernel/setup.c11
-rw-r--r--arch/x86_64/kernel/io_apic.c30
-rw-r--r--block/as-iosched.c13
-rw-r--r--block/cfq-iosched.c10
-rw-r--r--block/deadline-iosched.c13
-rw-r--r--block/elevator.c55
-rw-r--r--block/noop-iosched.c7
-rw-r--r--drivers/net/e1000/e1000_ethtool.c5
-rw-r--r--drivers/net/e1000/e1000_main.c8
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_dma.c31
-rw-r--r--drivers/video/console/fbcon.c2
-rw-r--r--fs/debugfs/inode.c3
-rw-r--r--include/asm-s390/futex.h15
-rw-r--r--include/linux/elevator.h2
-rw-r--r--include/linux/mempolicy.h1
17 files changed, 150 insertions, 87 deletions
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index 9be01b0c3f48..e24566b88a78 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -111,21 +111,21 @@ static void __init ts72xx_map_io(void)
}
}
-static unsigned char ts72xx_rtc_readb(unsigned long addr)
+static unsigned char ts72xx_rtc_readbyte(unsigned long addr)
{
__raw_writeb(addr, TS72XX_RTC_INDEX_VIRT_BASE);
return __raw_readb(TS72XX_RTC_DATA_VIRT_BASE);
}
-static void ts72xx_rtc_writeb(unsigned char value, unsigned long addr)
+static void ts72xx_rtc_writebyte(unsigned char value, unsigned long addr)
{
__raw_writeb(addr, TS72XX_RTC_INDEX_VIRT_BASE);
__raw_writeb(value, TS72XX_RTC_DATA_VIRT_BASE);
}
static struct m48t86_ops ts72xx_rtc_ops = {
- .readb = ts72xx_rtc_readb,
- .writeb = ts72xx_rtc_writeb,
+ .readbyte = ts72xx_rtc_readbyte,
+ .writebyte = ts72xx_rtc_writebyte,
};
static struct platform_device ts72xx_rtc_device = {
diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c
index 2e3b643a4dc4..1649a175a206 100644
--- a/arch/i386/kernel/acpi/earlyquirk.c
+++ b/arch/i386/kernel/acpi/earlyquirk.c
@@ -5,17 +5,34 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/pci.h>
+#include <linux/acpi.h>
+
#include <asm/pci-direct.h>
#include <asm/acpi.h>
#include <asm/apic.h>
+#ifdef CONFIG_ACPI
+
+static int nvidia_hpet_detected __initdata;
+
+static int __init nvidia_hpet_check(unsigned long phys, unsigned long size)
+{
+ nvidia_hpet_detected = 1;
+ return 0;
+}
+#endif
+
static int __init check_bridge(int vendor, int device)
{
#ifdef CONFIG_ACPI
- /* According to Nvidia all timer overrides are bogus. Just ignore
- them all. */
+ /* According to Nvidia all timer overrides are bogus unless HPET
+ is enabled. */
if (vendor == PCI_VENDOR_ID_NVIDIA) {
- acpi_skip_timer_override = 1;
+ nvidia_hpet_detected = 0;
+ acpi_table_parse(ACPI_HPET, nvidia_hpet_check);
+ if (nvidia_hpet_detected == 0) {
+ acpi_skip_timer_override = 1;
+ }
}
#endif
if (vendor == PCI_VENDOR_ID_ATI && timer_over_8254 == 1) {
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 846e1639ef7c..dd6b0e3386ce 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -1547,15 +1547,18 @@ void __init setup_arch(char **cmdline_p)
if (efi_enabled)
efi_map_memmap();
-#ifdef CONFIG_X86_IO_APIC
- check_acpi_pci(); /* Checks more than just ACPI actually */
-#endif
-
#ifdef CONFIG_ACPI
/*
* Parse the ACPI tables for possible boot-time SMP configuration.
*/
acpi_boot_table_init();
+#endif
+
+#ifdef CONFIG_X86_IO_APIC
+ check_acpi_pci(); /* Checks more than just ACPI actually */
+#endif
+
+#ifdef CONFIG_ACPI
acpi_boot_init();
#if defined(CONFIG_SMP) && defined(CONFIG_X86_PC)
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 0de3ea938830..9cc7031b7151 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -271,6 +271,18 @@ __setup("enable_8254_timer", setup_enable_8254_timer);
#include <linux/pci_ids.h>
#include <linux/pci.h>
+
+#ifdef CONFIG_ACPI
+
+static int nvidia_hpet_detected __initdata;
+
+static int __init nvidia_hpet_check(unsigned long phys, unsigned long size)
+{
+ nvidia_hpet_detected = 1;
+ return 0;
+}
+#endif
+
/* Temporary Hack. Nvidia and VIA boards currently only work with IO-APIC
off. Check for an Nvidia or VIA PCI bridge and turn it off.
Use pci direct infrastructure because this runs before the PCI subsystem.
@@ -317,11 +329,19 @@ void __init check_ioapic(void)
return;
case PCI_VENDOR_ID_NVIDIA:
#ifdef CONFIG_ACPI
- /* All timer overrides on Nvidia
- seem to be wrong. Skip them. */
- acpi_skip_timer_override = 1;
- printk(KERN_INFO
- "Nvidia board detected. Ignoring ACPI timer override.\n");
+ /*
+ * All timer overrides on Nvidia are
+ * wrong unless HPET is enabled.
+ */
+ nvidia_hpet_detected = 0;
+ acpi_table_parse(ACPI_HPET,
+ nvidia_hpet_check);
+ if (nvidia_hpet_detected == 0) {
+ acpi_skip_timer_override = 1;
+ printk(KERN_INFO "Nvidia board "
+ "detected. Ignoring ACPI "
+ "timer override.\n");
+ }
#endif
/* RED-PEN skip them on mptables too? */
return;
diff --git a/block/as-iosched.c b/block/as-iosched.c
index e25a5d79ab27..a7caf35ca0c2 100644
--- a/block/as-iosched.c
+++ b/block/as-iosched.c
@@ -1648,17 +1648,17 @@ static void as_exit_queue(elevator_t *e)
* initialize elevator private data (as_data), and alloc a arq for
* each request on the free lists
*/
-static int as_init_queue(request_queue_t *q, elevator_t *e)
+static void *as_init_queue(request_queue_t *q, elevator_t *e)
{
struct as_data *ad;
int i;
if (!arq_pool)
- return -ENOMEM;
+ return NULL;
ad = kmalloc_node(sizeof(*ad), GFP_KERNEL, q->node);
if (!ad)
- return -ENOMEM;
+ return NULL;
memset(ad, 0, sizeof(*ad));
ad->q = q; /* Identify what queue the data belongs to */
@@ -1667,7 +1667,7 @@ static int as_init_queue(request_queue_t *q, elevator_t *e)
GFP_KERNEL, q->node);
if (!ad->hash) {
kfree(ad);
- return -ENOMEM;
+ return NULL;
}
ad->arq_pool = mempool_create_node(BLKDEV_MIN_RQ, mempool_alloc_slab,
@@ -1675,7 +1675,7 @@ static int as_init_queue(request_queue_t *q, elevator_t *e)
if (!ad->arq_pool) {
kfree(ad->hash);
kfree(ad);
- return -ENOMEM;
+ return NULL;
}
/* anticipatory scheduling helpers */
@@ -1696,14 +1696,13 @@ static int as_init_queue(request_queue_t *q, elevator_t *e)
ad->antic_expire = default_antic_expire;
ad->batch_expire[REQ_SYNC] = default_read_batch_expire;
ad->batch_expire[REQ_ASYNC] = default_write_batch_expire;
- e->elevator_data = ad;
ad->current_batch_expires = jiffies + ad->batch_expire[REQ_SYNC];
ad->write_batch_count = ad->batch_expire[REQ_ASYNC] / 10;
if (ad->write_batch_count < 2)
ad->write_batch_count = 2;
- return 0;
+ return ad;
}
/*
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 8e9d84825e1c..a46d030e092a 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -2251,14 +2251,14 @@ static void cfq_exit_queue(elevator_t *e)
kfree(cfqd);
}
-static int cfq_init_queue(request_queue_t *q, elevator_t *e)
+static void *cfq_init_queue(request_queue_t *q, elevator_t *e)
{
struct cfq_data *cfqd;
int i;
cfqd = kmalloc(sizeof(*cfqd), GFP_KERNEL);
if (!cfqd)
- return -ENOMEM;
+ return NULL;
memset(cfqd, 0, sizeof(*cfqd));
@@ -2288,8 +2288,6 @@ static int cfq_init_queue(request_queue_t *q, elevator_t *e)
for (i = 0; i < CFQ_QHASH_ENTRIES; i++)
INIT_HLIST_HEAD(&cfqd->cfq_hash[i]);
- e->elevator_data = cfqd;
-
cfqd->queue = q;
cfqd->max_queued = q->nr_requests / 4;
@@ -2316,14 +2314,14 @@ static int cfq_init_queue(request_queue_t *q, elevator_t *e)
cfqd->cfq_slice_async_rq = cfq_slice_async_rq;
cfqd->cfq_slice_idle = cfq_slice_idle;
- return 0;
+ return cfqd;
out_crqpool:
kfree(cfqd->cfq_hash);
out_cfqhash:
kfree(cfqd->crq_hash);
out_crqhash:
kfree(cfqd);
- return -ENOMEM;
+ return NULL;
}
static void cfq_slab_kill(void)
diff --git a/block/deadline-iosched.c b/block/deadline-iosched.c
index 399fa1e60e1f..3bd0415a9828 100644
--- a/block/deadline-iosched.c
+++ b/block/deadline-iosched.c
@@ -613,24 +613,24 @@ static void deadline_exit_queue(elevator_t *e)
* initialize elevator private data (deadline_data), and alloc a drq for
* each request on the free lists
*/
-static int deadline_init_queue(request_queue_t *q, elevator_t *e)
+static void *deadline_init_queue(request_queue_t *q, elevator_t *e)
{
struct deadline_data *dd;
int i;
if (!drq_pool)
- return -ENOMEM;
+ return NULL;
dd = kmalloc_node(sizeof(*dd), GFP_KERNEL, q->node);
if (!dd)
- return -ENOMEM;
+ return NULL;
memset(dd, 0, sizeof(*dd));
dd->hash = kmalloc_node(sizeof(struct list_head)*DL_HASH_ENTRIES,
GFP_KERNEL, q->node);
if (!dd->hash) {
kfree(dd);
- return -ENOMEM;
+ return NULL;
}
dd->drq_pool = mempool_create_node(BLKDEV_MIN_RQ, mempool_alloc_slab,
@@ -638,7 +638,7 @@ static int deadline_init_queue(request_queue_t *q, elevator_t *e)
if (!dd->drq_pool) {
kfree(dd->hash);
kfree(dd);
- return -ENOMEM;
+ return NULL;
}
for (i = 0; i < DL_HASH_ENTRIES; i++)
@@ -653,8 +653,7 @@ static int deadline_init_queue(request_queue_t *q, elevator_t *e)
dd->writes_starved = writes_starved;
dd->front_merges = 1;
dd->fifo_batch = fifo_batch;
- e->elevator_data = dd;
- return 0;
+ return dd;
}
static void deadline_put_request(request_queue_t *q, struct request *rq)
diff --git a/block/elevator.c b/block/elevator.c
index 8768a367fdde..a0afdd317cef 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -121,16 +121,16 @@ static struct elevator_type *elevator_get(const char *name)
return e;
}
-static int elevator_attach(request_queue_t *q, struct elevator_queue *eq)
+static void *elevator_init_queue(request_queue_t *q, struct elevator_queue *eq)
{
- int ret = 0;
+ return eq->ops->elevator_init_fn(q, eq);
+}
+static void elevator_attach(request_queue_t *q, struct elevator_queue *eq,
+ void *data)
+{
q->elevator = eq;
-
- if (eq->ops->elevator_init_fn)
- ret = eq->ops->elevator_init_fn(q, eq);
-
- return ret;
+ eq->elevator_data = data;
}
static char chosen_elevator[16];
@@ -181,6 +181,7 @@ int elevator_init(request_queue_t *q, char *name)
struct elevator_type *e = NULL;
struct elevator_queue *eq;
int ret = 0;
+ void *data;
INIT_LIST_HEAD(&q->queue_head);
q->last_merge = NULL;
@@ -202,10 +203,13 @@ int elevator_init(request_queue_t *q, char *name)
if (!eq)
return -ENOMEM;
- ret = elevator_attach(q, eq);
- if (ret)
+ data = elevator_init_queue(q, eq);
+ if (!data) {
kobject_put(&eq->kobj);
+ return -ENOMEM;
+ }
+ elevator_attach(q, eq, data);
return ret;
}
@@ -722,13 +726,16 @@ int elv_register_queue(struct request_queue *q)
return error;
}
+static void __elv_unregister_queue(elevator_t *e)
+{
+ kobject_uevent(&e->kobj, KOBJ_REMOVE);
+ kobject_del(&e->kobj);
+}
+
void elv_unregister_queue(struct request_queue *q)
{
- if (q) {
- elevator_t *e = q->elevator;
- kobject_uevent(&e->kobj, KOBJ_REMOVE);
- kobject_del(&e->kobj);
- }
+ if (q)
+ __elv_unregister_queue(q->elevator);
}
int elv_register(struct elevator_type *e)
@@ -780,6 +787,7 @@ EXPORT_SYMBOL_GPL(elv_unregister);
static int elevator_switch(request_queue_t *q, struct elevator_type *new_e)
{
elevator_t *old_elevator, *e;
+ void *data;
/*
* Allocate new elevator
@@ -788,6 +796,12 @@ static int elevator_switch(request_queue_t *q, struct elevator_type *new_e)
if (!e)
return 0;
+ data = elevator_init_queue(q, e);
+ if (!data) {
+ kobject_put(&e->kobj);
+ return 0;
+ }
+
/*
* Turn on BYPASS and drain all requests w/ elevator private data
*/
@@ -806,19 +820,19 @@ static int elevator_switch(request_queue_t *q, struct elevator_type *new_e)
elv_drain_elevator(q);
}
- spin_unlock_irq(q->queue_lock);
-
/*
- * unregister old elevator data
+ * Remember old elevator.
*/
- elv_unregister_queue(q);
old_elevator = q->elevator;
/*
* attach and start new elevator
*/
- if (elevator_attach(q, e))
- goto fail;
+ elevator_attach(q, e, data);
+
+ spin_unlock_irq(q->queue_lock);
+
+ __elv_unregister_queue(old_elevator);
if (elv_register_queue(q))
goto fail_register;
@@ -837,7 +851,6 @@ fail_register:
*/
elevator_exit(e);
e = NULL;
-fail:
q->elevator = old_elevator;
elv_register_queue(q);
clear_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags);
diff --git a/block/noop-iosched.c b/block/noop-iosched.c
index f370e4a7fe6d..56a7c620574f 100644
--- a/block/noop-iosched.c
+++ b/block/noop-iosched.c
@@ -65,16 +65,15 @@ noop_latter_request(request_queue_t *q, struct request *rq)
return list_entry(rq->queuelist.next, struct request, queuelist);
}
-static int noop_init_queue(request_queue_t *q, elevator_t *e)
+static void *noop_init_queue(request_queue_t *q, elevator_t *e)
{
struct noop_data *nd;
nd = kmalloc(sizeof(*nd), GFP_KERNEL);
if (!nd)
- return -ENOMEM;
+ return NULL;
INIT_LIST_HEAD(&nd->queue);
- e->elevator_data = nd;
- return 0;
+ return nd;
}
static void noop_exit_queue(elevator_t *e)
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index ecccca35c6f4..d1c705b412c2 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -870,13 +870,16 @@ e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
*data = 0;
/* Hook up test interrupt handler just for this test */
- if (!request_irq(irq, &e1000_test_intr, 0, netdev->name, netdev)) {
+ if (!request_irq(irq, &e1000_test_intr, SA_PROBEIRQ, netdev->name,
+ netdev)) {
shared_int = FALSE;
} else if (request_irq(irq, &e1000_test_intr, SA_SHIRQ,
netdev->name, netdev)){
*data = 1;
return -1;
}
+ DPRINTK(PROBE,INFO, "testing %s interrupt\n",
+ (shared_int ? "shared" : "unshared"));
/* Disable all the interrupts */
E1000_WRITE_REG(&adapter->hw, IMC, 0xFFFFFFFF);
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index ed15fcaedaf9..97e71a4fe8eb 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3519,7 +3519,7 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter,
buffer_info = &rx_ring->buffer_info[i];
while (rx_desc->status & E1000_RXD_STAT_DD) {
- struct sk_buff *skb, *next_skb;
+ struct sk_buff *skb;
u8 status;
#ifdef CONFIG_E1000_NAPI
if (*work_done >= work_to_do)
@@ -3537,8 +3537,6 @@ e1000_clean_rx_irq(struct e1000_adapter *adapter,
prefetch(next_rxd);
next_buffer = &rx_ring->buffer_info[i];
- next_skb = next_buffer->skb;
- prefetch(next_skb->data - NET_IP_ALIGN);
cleaned = TRUE;
cleaned_count++;
@@ -3668,7 +3666,7 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
struct e1000_buffer *buffer_info, *next_buffer;
struct e1000_ps_page *ps_page;
struct e1000_ps_page_dma *ps_page_dma;
- struct sk_buff *skb, *next_skb;
+ struct sk_buff *skb;
unsigned int i, j;
uint32_t length, staterr;
int cleaned_count = 0;
@@ -3697,8 +3695,6 @@ e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
prefetch(next_rxd);
next_buffer = &rx_ring->buffer_info[i];
- next_skb = next_buffer->skb;
- prefetch(next_skb->data - NET_IP_ALIGN);
cleaned = TRUE;
cleaned_count++;
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_dma.c b/drivers/net/wireless/bcm43xx/bcm43xx_dma.c
index bbecba02e697..d0318e525ba7 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_dma.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_dma.c
@@ -624,25 +624,28 @@ err_destroy_tx0:
static u16 generate_cookie(struct bcm43xx_dmaring *ring,
int slot)
{
- u16 cookie = 0x0000;
+ u16 cookie = 0xF000;
/* Use the upper 4 bits of the cookie as
* DMA controller ID and store the slot number
- * in the lower 12 bits
+ * in the lower 12 bits.
+ * Note that the cookie must never be 0, as this
+ * is a special value used in RX path.
*/
switch (ring->mmio_base) {
default:
assert(0);
case BCM43xx_MMIO_DMA1_BASE:
+ cookie = 0xA000;
break;
case BCM43xx_MMIO_DMA2_BASE:
- cookie = 0x1000;
+ cookie = 0xB000;
break;
case BCM43xx_MMIO_DMA3_BASE:
- cookie = 0x2000;
+ cookie = 0xC000;
break;
case BCM43xx_MMIO_DMA4_BASE:
- cookie = 0x3000;
+ cookie = 0xD000;
break;
}
assert(((u16)slot & 0xF000) == 0x0000);
@@ -660,16 +663,16 @@ struct bcm43xx_dmaring * parse_cookie(struct bcm43xx_private *bcm,
struct bcm43xx_dmaring *ring = NULL;
switch (cookie & 0xF000) {
- case 0x0000:
+ case 0xA000:
ring = dma->tx_ring0;
break;
- case 0x1000:
+ case 0xB000:
ring = dma->tx_ring1;
break;
- case 0x2000:
+ case 0xC000:
ring = dma->tx_ring2;
break;
- case 0x3000:
+ case 0xD000:
ring = dma->tx_ring3;
break;
default:
@@ -839,8 +842,18 @@ static void dma_rx(struct bcm43xx_dmaring *ring,
/* We received an xmit status. */
struct bcm43xx_hwxmitstatus *hw = (struct bcm43xx_hwxmitstatus *)skb->data;
struct bcm43xx_xmitstatus stat;
+ int i = 0;
stat.cookie = le16_to_cpu(hw->cookie);
+ while (stat.cookie == 0) {
+ if (unlikely(++i >= 10000)) {
+ assert(0);
+ break;
+ }
+ udelay(2);
+ barrier();
+ stat.cookie = le16_to_cpu(hw->cookie);
+ }
stat.flags = hw->flags;
stat.cnt1 = hw->cnt1;
stat.cnt2 = hw->cnt2;
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 953eb8c171d6..47ba1a79adcd 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -1745,7 +1745,7 @@ static int fbcon_scroll(struct vc_data *vc, int t, int b, int dir,
fbcon_redraw_move(vc, p, 0, t, count);
ypan_up_redraw(vc, t, count);
if (vc->vc_rows - b > 0)
- fbcon_redraw_move(vc, p, b - count,
+ fbcon_redraw_move(vc, p, b,
vc->vc_rows - b, b);
} else
fbcon_redraw_move(vc, p, t + count, b - t - count, t);
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 85d166cdcae4..b55b4ea9a676 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -67,12 +67,13 @@ static struct inode *debugfs_get_inode(struct super_block *sb, int mode, dev_t d
static int debugfs_mknod(struct inode *dir, struct dentry *dentry,
int mode, dev_t dev)
{
- struct inode *inode = debugfs_get_inode(dir->i_sb, mode, dev);
+ struct inode *inode;
int error = -EPERM;
if (dentry->d_inode)
return -EEXIST;
+ inode = debugfs_get_inode(dir->i_sb, mode, dev);
if (inode) {
d_instantiate(dentry, inode);
dget(dentry);
diff --git a/include/asm-s390/futex.h b/include/asm-s390/futex.h
index 40c25e166a9b..1802775568b9 100644
--- a/include/asm-s390/futex.h
+++ b/include/asm-s390/futex.h
@@ -11,23 +11,24 @@
#define __futex_atomic_fixup \
".section __ex_table,\"a\"\n" \
" .align 4\n" \
- " .long 0b,2b,1b,2b\n" \
+ " .long 0b,4b,2b,4b,3b,4b\n" \
".previous"
#else /* __s390x__ */
#define __futex_atomic_fixup \
".section __ex_table,\"a\"\n" \
" .align 8\n" \
- " .quad 0b,2b,1b,2b\n" \
+ " .quad 0b,4b,2b,4b,3b,4b\n" \
".previous"
#endif /* __s390x__ */
#define __futex_atomic_op(insn, ret, oldval, newval, uaddr, oparg) \
- asm volatile(" l %1,0(%6)\n" \
- "0: " insn \
- " cs %1,%2,0(%6)\n" \
- "1: jl 0b\n" \
+ asm volatile(" sacf 256\n" \
+ "0: l %1,0(%6)\n" \
+ "1: " insn \
+ "2: cs %1,%2,0(%6)\n" \
+ "3: jl 1b\n" \
" lhi %0,0\n" \
- "2:\n" \
+ "4: sacf 0\n" \
__futex_atomic_fixup \
: "=d" (ret), "=&d" (oldval), "=&d" (newval), \
"=m" (*uaddr) \
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index ad133fcfb239..1713ace808bf 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -21,7 +21,7 @@ typedef void (elevator_put_req_fn) (request_queue_t *, struct request *);
typedef void (elevator_activate_req_fn) (request_queue_t *, struct request *);
typedef void (elevator_deactivate_req_fn) (request_queue_t *, struct request *);
-typedef int (elevator_init_fn) (request_queue_t *, elevator_t *);
+typedef void *(elevator_init_fn) (request_queue_t *, elevator_t *);
typedef void (elevator_exit_fn) (elevator_t *);
struct elevator_ops
diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h
index 6a7621b2b12b..f5fdca1d67e6 100644
--- a/include/linux/mempolicy.h
+++ b/include/linux/mempolicy.h
@@ -36,6 +36,7 @@
#include <linux/nodemask.h>
struct vm_area_struct;
+struct mm_struct;
#ifdef CONFIG_NUMA