/
0042-3.10.78-3.10.79.patch
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0042-3.10.78-3.10.79.patch
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From d34d4c778b3c3dcc14cbfc9736219db80ac02732 Mon Sep 17 00:00:00 2001
From: Jan Engelmohr <jan.engelmohr@mailbox.tu-dresden.de>
Date: Mon, 1 Aug 2016 13:32:35 +0200
Subject: [PATCH 42/45] 3.10.78 -> 3.10.79
---
.../devicetree/bindings/dma/fsl-mxs-dma.txt | 2 +-
Makefile | 2 +-
arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts | 4 +
arch/arm/boot/dts/imx23-olinuxino.dts | 1 +
arch/arm/boot/dts/imx25.dtsi | 1 +
arch/arm/boot/dts/imx28.dtsi | 2 +-
drivers/acpi/acpica/dsopcode.c | 3 +-
drivers/acpi/acpica/tbinstal.c | 5 +-
drivers/acpi/acpica/tbxfroot.c | 7 +-
drivers/gpio/gpiolib.c | 24 +++-
drivers/gpu/drm/i915/intel_lvds.c | 18 ++-
drivers/mmc/card/block.c | 12 ++
drivers/mmc/card/queue.c | 2 +-
drivers/mmc/card/queue.h | 2 +
drivers/pinctrl/core.c | 10 +-
drivers/pinctrl/core.h | 2 +-
drivers/pinctrl/devicetree.c | 2 +-
drivers/tty/hvc/hvc_xen.c | 18 ++-
fs/nilfs2/btree.c | 2 +-
fs/ocfs2/dlm/dlmmaster.c | 13 ++
include/acpi/acpixf.h | 2 +-
include/linux/interrupt.h | 22 ----
include/linux/nilfs2_fs.h | 2 +-
kernel/softirq.c | 131 ---------------------
mm/memory-failure.c | 8 +-
sound/oss/sequencer.c | 12 +-
26 files changed, 114 insertions(+), 195 deletions(-)
diff --git a/Documentation/devicetree/bindings/dma/fsl-mxs-dma.txt b/Documentation/devicetree/bindings/dma/fsl-mxs-dma.txt
index a4873e5..e30e184 100644
--- a/Documentation/devicetree/bindings/dma/fsl-mxs-dma.txt
+++ b/Documentation/devicetree/bindings/dma/fsl-mxs-dma.txt
@@ -38,7 +38,7 @@ dma_apbx: dma-apbx@80024000 {
80 81 68 69
70 71 72 73
74 75 76 77>;
- interrupt-names = "auart4-rx", "aurat4-tx", "spdif-tx", "empty",
+ interrupt-names = "auart4-rx", "auart4-tx", "spdif-tx", "empty",
"saif0", "saif1", "i2c0", "i2c1",
"auart0-rx", "auart0-tx", "auart1-rx", "auart1-tx",
"auart2-rx", "auart2-tx", "auart3-rx", "auart3-tx";
diff --git a/Makefile b/Makefile
index 7d6af55..c256adb 100755
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 10
-SUBLEVEL = 78
+SUBLEVEL = 79
EXTRAVERSION =
NAME = TOSSUG Baby Fish
diff --git a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
index 9746d0e..5dfb3d3 100644
--- a/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
+++ b/arch/arm/boot/dts/armada-xp-openblocks-ax3-4.dts
@@ -32,6 +32,10 @@
0xf0000000 0 0xf0000000 0x8000000 /* Device Bus, NOR 128MiB */>;
internal-regs {
+ rtc@10300 {
+ /* No crystal connected to the internal RTC */
+ status = "disabled";
+ };
serial@12000 {
clock-frequency = <250000000>;
status = "okay";
diff --git a/arch/arm/boot/dts/imx23-olinuxino.dts b/arch/arm/boot/dts/imx23-olinuxino.dts
index d107c4a..6fef544 100644
--- a/arch/arm/boot/dts/imx23-olinuxino.dts
+++ b/arch/arm/boot/dts/imx23-olinuxino.dts
@@ -89,6 +89,7 @@
ahb@80080000 {
usb0: usb@80080000 {
+ dr_mode = "host";
vbus-supply = <®_usb0_vbus>;
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx25.dtsi b/arch/arm/boot/dts/imx25.dtsi
index 97d1a55..2a571bc 100644
--- a/arch/arm/boot/dts/imx25.dtsi
+++ b/arch/arm/boot/dts/imx25.dtsi
@@ -393,6 +393,7 @@
pwm4: pwm@53fc8000 {
compatible = "fsl,imx25-pwm", "fsl,imx27-pwm";
+ #pwm-cells = <2>;
reg = <0x53fc8000 0x4000>;
clocks = <&clks 108>, <&clks 52>;
clock-names = "ipg", "per";
diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi
index 4c10a19..2e76b84 100644
--- a/arch/arm/boot/dts/imx28.dtsi
+++ b/arch/arm/boot/dts/imx28.dtsi
@@ -691,7 +691,7 @@
80 81 68 69
70 71 72 73
74 75 76 77>;
- interrupt-names = "auart4-rx", "aurat4-tx", "spdif-tx", "empty",
+ interrupt-names = "auart4-rx", "auart4-tx", "spdif-tx", "empty",
"saif0", "saif1", "i2c0", "i2c1",
"auart0-rx", "auart0-tx", "auart1-rx", "auart1-tx",
"auart2-rx", "auart2-tx", "auart3-rx", "auart3-tx";
diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c
index ee6367b..e9b13b9 100644
--- a/drivers/acpi/acpica/dsopcode.c
+++ b/drivers/acpi/acpica/dsopcode.c
@@ -539,8 +539,7 @@ acpi_ds_eval_table_region_operands(struct acpi_walk_state *walk_state,
return_ACPI_STATUS(AE_NOT_EXIST);
}
- obj_desc->region.address =
- (acpi_physical_address) ACPI_TO_INTEGER(table);
+ obj_desc->region.address = ACPI_PTR_TO_PHYSADDR(table);
obj_desc->region.length = table->length;
ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "RgnObj %p Addr %8.8X%8.8X Len %X\n",
diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c
index e57cd38..0d23515 100644
--- a/drivers/acpi/acpica/tbinstal.c
+++ b/drivers/acpi/acpica/tbinstal.c
@@ -301,8 +301,7 @@ struct acpi_table_header *acpi_tb_table_override(struct acpi_table_header
ACPI_EXCEPTION((AE_INFO, AE_NO_MEMORY,
"%4.4s %p Attempted physical table override failed",
table_header->signature,
- ACPI_CAST_PTR(void,
- table_desc->address)));
+ ACPI_PHYSADDR_TO_PTR(table_desc->address)));
return (NULL);
}
@@ -318,7 +317,7 @@ struct acpi_table_header *acpi_tb_table_override(struct acpi_table_header
ACPI_INFO((AE_INFO,
"%4.4s %p %s table override, new table: %p",
table_header->signature,
- ACPI_CAST_PTR(void, table_desc->address),
+ ACPI_PHYSADDR_TO_PTR(table_desc->address),
override_type, new_table));
/* We can now unmap/delete the original table (if fully mapped) */
diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c
index 7c2ecfb..e124860 100644
--- a/drivers/acpi/acpica/tbxfroot.c
+++ b/drivers/acpi/acpica/tbxfroot.c
@@ -118,7 +118,7 @@ static acpi_status acpi_tb_validate_rsdp(struct acpi_table_rsdp *rsdp)
*
******************************************************************************/
-acpi_status acpi_find_root_pointer(acpi_size *table_address)
+acpi_status acpi_find_root_pointer(acpi_physical_address * table_address)
{
u8 *table_ptr;
u8 *mem_rover;
@@ -176,7 +176,8 @@ acpi_status acpi_find_root_pointer(acpi_size *table_address)
physical_address +=
(u32) ACPI_PTR_DIFF(mem_rover, table_ptr);
- *table_address = physical_address;
+ *table_address =
+ (acpi_physical_address) physical_address;
return_ACPI_STATUS(AE_OK);
}
}
@@ -209,7 +210,7 @@ acpi_status acpi_find_root_pointer(acpi_size *table_address)
(ACPI_HI_RSDP_WINDOW_BASE +
ACPI_PTR_DIFF(mem_rover, table_ptr));
- *table_address = physical_address;
+ *table_address = (acpi_physical_address) physical_address;
return_ACPI_STATUS(AE_OK);
}
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 931bdf3..9002122 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -752,6 +752,7 @@ static struct class gpio_class = {
*/
static int gpiod_export(struct gpio_desc *desc, bool direction_may_change)
{
+ struct gpio_chip *chip;
unsigned long flags;
int status;
const char *ioname = NULL;
@@ -769,8 +770,16 @@ static int gpiod_export(struct gpio_desc *desc, bool direction_may_change)
return -EINVAL;
}
+ chip = desc->chip;
+
mutex_lock(&sysfs_lock);
+ /* check if chip is being removed */
+ if (!chip || !chip->exported) {
+ status = -ENODEV;
+ goto fail_unlock;
+ }
+
spin_lock_irqsave(&gpio_lock, flags);
if (!test_bit(FLAG_REQUESTED, &desc->flags) ||
test_bit(FLAG_EXPORT, &desc->flags)) {
@@ -1040,6 +1049,8 @@ static void gpiochip_unexport(struct gpio_chip *chip)
{
int status;
struct device *dev;
+ struct gpio_desc *desc;
+ unsigned int i;
mutex_lock(&sysfs_lock);
dev = class_find_device(&gpio_class, NULL, chip, match_export);
@@ -1047,6 +1058,7 @@ static void gpiochip_unexport(struct gpio_chip *chip)
sysfs_remove_group(&dev->kobj, &gpiochip_attr_group);
put_device(dev);
device_unregister(dev);
+ /* prevent further gpiod exports */
chip->exported = 0;
status = 0;
} else
@@ -1056,6 +1068,13 @@ static void gpiochip_unexport(struct gpio_chip *chip)
if (status)
pr_debug("%s: chip %s status %d\n", __func__,
chip->label, status);
+
+ /* unregister gpiod class devices owned by sysfs */
+ for (i = 0; i < chip->ngpio; i++) {
+ desc = &chip->desc[i];
+ if (test_and_clear_bit(FLAG_SYSFS, &desc->flags))
+ gpiod_free(desc);
+ }
}
static int __init gpiolib_sysfs_init(void)
@@ -1267,6 +1286,8 @@ int gpiochip_remove(struct gpio_chip *chip)
int status = 0;
unsigned id;
+ gpiochip_unexport(chip);
+
spin_lock_irqsave(&gpio_lock, flags);
gpiochip_remove_pin_ranges(chip);
@@ -1287,9 +1308,6 @@ int gpiochip_remove(struct gpio_chip *chip)
spin_unlock_irqrestore(&gpio_lock, flags);
- if (status == 0)
- gpiochip_unexport(chip);
-
return status;
}
EXPORT_SYMBOL_GPL(gpiochip_remove);
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index f5d1dc5..54ebfbe 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -1007,12 +1007,28 @@ static int intel_dual_link_lvds_callback(const struct dmi_system_id *id)
static const struct dmi_system_id intel_dual_link_lvds[] = {
{
.callback = intel_dual_link_lvds_callback,
- .ident = "Apple MacBook Pro (Core i5/i7 Series)",
+ .ident = "Apple MacBook Pro 15\" (2010)",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro6,2"),
+ },
+ },
+ {
+ .callback = intel_dual_link_lvds_callback,
+ .ident = "Apple MacBook Pro 15\" (2011)",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro8,2"),
},
},
+ {
+ .callback = intel_dual_link_lvds_callback,
+ .ident = "Apple MacBook Pro 15\" (2012)",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro9,1"),
+ },
+ },
{ } /* terminating entry */
};
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 0769b49..3e462c9 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -1405,6 +1405,18 @@ static inline void mmc_blk_reset_success(struct mmc_blk_data *md, int type)
md->reset_done &= ~type;
}
+int mmc_access_rpmb(struct mmc_queue *mq)
+{
+ struct mmc_blk_data *md = mq->data;
+ /*
+ * If this is a RPMB partition access, return ture
+ */
+ if (md && md->part_type == EXT_CSD_PART_CONFIG_ACC_RPMB)
+ return true;
+
+ return false;
+}
+
static int mmc_blk_issue_discard_rq(struct mmc_queue *mq, struct request *req)
{
struct mmc_blk_data *md = mq->data;
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index cac447f..6752684 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -37,7 +37,7 @@ static int mmc_prep_request(struct request_queue *q, struct request *req)
return BLKPREP_KILL;
}
- if (mq && mmc_card_removed(mq->card))
+ if (mq && (mmc_card_removed(mq->card) || mmc_access_rpmb(mq)))
return BLKPREP_KILL;
req->cmd_flags |= REQ_DONTPREP;
diff --git a/drivers/mmc/card/queue.h b/drivers/mmc/card/queue.h
index 5752d50..99e6521 100644
--- a/drivers/mmc/card/queue.h
+++ b/drivers/mmc/card/queue.h
@@ -73,4 +73,6 @@ extern void mmc_queue_bounce_post(struct mmc_queue_req *);
extern int mmc_packed_init(struct mmc_queue *, struct mmc_card *);
extern void mmc_packed_clean(struct mmc_queue *);
+extern int mmc_access_rpmb(struct mmc_queue *);
+
#endif
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 9c9fc69..ea40c51 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -1077,7 +1077,7 @@ void devm_pinctrl_put(struct pinctrl *p)
EXPORT_SYMBOL_GPL(devm_pinctrl_put);
int pinctrl_register_map(struct pinctrl_map const *maps, unsigned num_maps,
- bool dup, bool locked)
+ bool dup)
{
int i, ret;
struct pinctrl_maps *maps_node;
@@ -1145,11 +1145,9 @@ int pinctrl_register_map(struct pinctrl_map const *maps, unsigned num_maps,
maps_node->maps = maps;
}
- if (!locked)
- mutex_lock(&pinctrl_maps_mutex);
+ mutex_lock(&pinctrl_maps_mutex);
list_add_tail(&maps_node->node, &pinctrl_maps);
- if (!locked)
- mutex_unlock(&pinctrl_maps_mutex);
+ mutex_unlock(&pinctrl_maps_mutex);
return 0;
}
@@ -1164,7 +1162,7 @@ int pinctrl_register_map(struct pinctrl_map const *maps, unsigned num_maps,
int pinctrl_register_mappings(struct pinctrl_map const *maps,
unsigned num_maps)
{
- return pinctrl_register_map(maps, num_maps, true, false);
+ return pinctrl_register_map(maps, num_maps, true);
}
void pinctrl_unregister_map(struct pinctrl_map const *map)
diff --git a/drivers/pinctrl/core.h b/drivers/pinctrl/core.h
index 75476b3..b24ea84 100644
--- a/drivers/pinctrl/core.h
+++ b/drivers/pinctrl/core.h
@@ -183,7 +183,7 @@ static inline struct pin_desc *pin_desc_get(struct pinctrl_dev *pctldev,
}
int pinctrl_register_map(struct pinctrl_map const *maps, unsigned num_maps,
- bool dup, bool locked);
+ bool dup);
void pinctrl_unregister_map(struct pinctrl_map const *map);
extern int pinctrl_force_sleep(struct pinctrl_dev *pctldev);
diff --git a/drivers/pinctrl/devicetree.c b/drivers/pinctrl/devicetree.c
index 340fb4e..fd91c4c 100644
--- a/drivers/pinctrl/devicetree.c
+++ b/drivers/pinctrl/devicetree.c
@@ -92,7 +92,7 @@ static int dt_remember_or_free_map(struct pinctrl *p, const char *statename,
dt_map->num_maps = num_maps;
list_add_tail(&dt_map->node, &p->dt_maps);
- return pinctrl_register_map(map, num_maps, false, true);
+ return pinctrl_register_map(map, num_maps, false);
}
struct pinctrl_dev *of_pinctrl_get(struct device_node *np)
diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
index 4fc32c8..ff92155 100644
--- a/drivers/tty/hvc/hvc_xen.c
+++ b/drivers/tty/hvc/hvc_xen.c
@@ -299,11 +299,27 @@ static int xen_initial_domain_console_init(void)
return 0;
}
+static void xen_console_update_evtchn(struct xencons_info *info)
+{
+ if (xen_hvm_domain()) {
+ uint64_t v;
+ int err;
+
+ err = hvm_get_parameter(HVM_PARAM_CONSOLE_EVTCHN, &v);
+ if (!err && v)
+ info->evtchn = v;
+ } else
+ info->evtchn = xen_start_info->console.domU.evtchn;
+}
+
void xen_console_resume(void)
{
struct xencons_info *info = vtermno_to_xencons(HVC_COOKIE);
- if (info != NULL && info->irq)
+ if (info != NULL && info->irq) {
+ if (!xen_initial_domain())
+ xen_console_update_evtchn(info);
rebind_evtchn_irq(info->evtchn, info->irq);
+ }
}
static void xencons_disconnect_backend(struct xencons_info *info)
diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c
index ecdbae1..090d8ce 100644
--- a/fs/nilfs2/btree.c
+++ b/fs/nilfs2/btree.c
@@ -388,7 +388,7 @@ static int nilfs_btree_root_broken(const struct nilfs_btree_node *node,
nchildren = nilfs_btree_node_get_nchildren(node);
if (unlikely(level < NILFS_BTREE_LEVEL_NODE_MIN ||
- level > NILFS_BTREE_LEVEL_MAX ||
+ level >= NILFS_BTREE_LEVEL_MAX ||
nchildren < 0 ||
nchildren > NILFS_BTREE_ROOT_NCHILDREN_MAX)) {
pr_crit("NILFS: bad btree root (inode number=%lu): level = %d, flags = 0x%x, nchildren = %d\n",
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 2b94111..2c119d5 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -729,6 +729,19 @@ lookup:
if (tmpres) {
spin_unlock(&dlm->spinlock);
spin_lock(&tmpres->spinlock);
+
+ /*
+ * Right after dlm spinlock was released, dlm_thread could have
+ * purged the lockres. Check if lockres got unhashed. If so
+ * start over.
+ */
+ if (hlist_unhashed(&tmpres->hash_node)) {
+ spin_unlock(&tmpres->spinlock);
+ dlm_lockres_put(tmpres);
+ tmpres = NULL;
+ goto lookup;
+ }
+
/* Wait on the thread that is mastering the resource */
if (tmpres->owner == DLM_LOCK_RES_OWNER_UNKNOWN) {
__dlm_wait_on_lockres(tmpres);
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 454881e..fcabb15 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -177,7 +177,7 @@ acpi_status acpi_load_tables(void);
*/
acpi_status acpi_reallocate_root_table(void);
-acpi_status acpi_find_root_pointer(acpi_size *rsdp_address);
+acpi_status acpi_find_root_pointer(acpi_physical_address *rsdp_address);
acpi_status acpi_unload_table_id(acpi_owner_id id);
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 98300e2..20a3680 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -11,8 +11,6 @@
#include <linux/irqnr.h>
#include <linux/hardirq.h>
#include <linux/irqflags.h>
-#include <linux/smp.h>
-#include <linux/percpu.h>
#include <linux/hrtimer.h>
#include <linux/kref.h>
#include <linux/workqueue.h>
@@ -494,15 +492,6 @@ extern void __raise_softirq_irqoff(unsigned int nr);
extern void raise_softirq_irqoff(unsigned int nr);
extern void raise_softirq(unsigned int nr);
-/* This is the worklist that queues up per-cpu softirq work.
- *
- * send_remote_sendirq() adds work to these lists, and
- * the softirq handler itself dequeues from them. The queues
- * are protected by disabling local cpu interrupts and they must
- * only be accessed by the local cpu that they are for.
- */
-DECLARE_PER_CPU(struct list_head [NR_SOFTIRQS], softirq_work_list);
-
DECLARE_PER_CPU(struct task_struct *, ksoftirqd);
static inline struct task_struct *this_cpu_ksoftirqd(void)
@@ -510,17 +499,6 @@ static inline struct task_struct *this_cpu_ksoftirqd(void)
return this_cpu_read(ksoftirqd);
}
-/* Try to send a softirq to a remote cpu. If this cannot be done, the
- * work will be queued to the local cpu.
- */
-extern void send_remote_softirq(struct call_single_data *cp, int cpu, int softirq);
-
-/* Like send_remote_softirq(), but the caller must disable local cpu interrupts
- * and compute the current cpu, passed in as 'this_cpu'.
- */
-extern void __send_remote_softirq(struct call_single_data *cp, int cpu,
- int this_cpu, int softirq);
-
/* Tasklets --- multithreaded analogue of BHs.
Main feature differing them of generic softirqs: tasklet
diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h
index 9875576..1108aca 100644
--- a/include/linux/nilfs2_fs.h
+++ b/include/linux/nilfs2_fs.h
@@ -458,7 +458,7 @@ struct nilfs_btree_node {
/* level */
#define NILFS_BTREE_LEVEL_DATA 0
#define NILFS_BTREE_LEVEL_NODE_MIN (NILFS_BTREE_LEVEL_DATA + 1)
-#define NILFS_BTREE_LEVEL_MAX 14
+#define NILFS_BTREE_LEVEL_MAX 14 /* Max level (exclusive) */
/**
* struct nilfs_palloc_group_desc - block group descriptor
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 2f39153..dc23e06 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -6,8 +6,6 @@
* Distribute under GPLv2.
*
* Rewritten. Old one was good in 2.2, but in 2.3 it was immoral. --ANK (990903)
- *
- * Remote softirq infrastructure is by Jens Axboe.
*/
#include <linux/export.h>
@@ -625,146 +623,17 @@ void tasklet_hrtimer_init(struct tasklet_hrtimer *ttimer,
}
EXPORT_SYMBOL_GPL(tasklet_hrtimer_init);
-/*
- * Remote softirq bits
- */
-
-DEFINE_PER_CPU(struct list_head [NR_SOFTIRQS], softirq_work_list);
-EXPORT_PER_CPU_SYMBOL(softirq_work_list);
-
-static void __local_trigger(struct call_single_data *cp, int softirq)
-{
- struct list_head *head = &__get_cpu_var(softirq_work_list[softirq]);
-
- list_add_tail(&cp->list, head);
-
- /* Trigger the softirq only if the list was previously empty. */
- if (head->next == &cp->list)
- raise_softirq_irqoff(softirq);
-}
-
-#ifdef CONFIG_USE_GENERIC_SMP_HELPERS
-static void remote_softirq_receive(void *data)
-{
- struct call_single_data *cp = data;
- unsigned long flags;
- int softirq;
-
- softirq = *(int *)cp->info;
- local_irq_save(flags);
- __local_trigger(cp, softirq);
- local_irq_restore(flags);
-}
-
-static int __try_remote_softirq(struct call_single_data *cp, int cpu, int softirq)
-{
- if (cpu_online(cpu)) {
- cp->func = remote_softirq_receive;
- cp->info = &softirq;
- cp->flags = 0;
-
- __smp_call_function_single(cpu, cp, 0);
- return 0;
- }
- return 1;
-}
-#else /* CONFIG_USE_GENERIC_SMP_HELPERS */
-static int __try_remote_softirq(struct call_single_data *cp, int cpu, int softirq)
-{
- return 1;
-}
-#endif
-
-/**
- * __send_remote_softirq - try to schedule softirq work on a remote cpu
- * @cp: private SMP call function data area
- * @cpu: the remote cpu
- * @this_cpu: the currently executing cpu
- * @softirq: the softirq for the work
- *
- * Attempt to schedule softirq work on a remote cpu. If this cannot be
- * done, the work is instead queued up on the local cpu.
- *
- * Interrupts must be disabled.
- */
-void __send_remote_softirq(struct call_single_data *cp, int cpu, int this_cpu, int softirq)
-{
- if (cpu == this_cpu || __try_remote_softirq(cp, cpu, softirq))
- __local_trigger(cp, softirq);
-}
-EXPORT_SYMBOL(__send_remote_softirq);
-
-/**
- * send_remote_softirq - try to schedule softirq work on a remote cpu
- * @cp: private SMP call function data area
- * @cpu: the remote cpu
- * @softirq: the softirq for the work
- *
- * Like __send_remote_softirq except that disabling interrupts and
- * computing the current cpu is done for the caller.
- */
-void send_remote_softirq(struct call_single_data *cp, int cpu, int softirq)
-{
- unsigned long flags;
- int this_cpu;
-
- local_irq_save(flags);
- this_cpu = smp_processor_id();
- __send_remote_softirq(cp, cpu, this_cpu, softirq);
- local_irq_restore(flags);
-}
-EXPORT_SYMBOL(send_remote_softirq);
-
-static int __cpuinit remote_softirq_cpu_notify(struct notifier_block *self,
- unsigned long action, void *hcpu)
-{
- /*
- * If a CPU goes away, splice its entries to the current CPU
- * and trigger a run of the softirq
- */
- if (action == CPU_DEAD || action == CPU_DEAD_FROZEN) {
- int cpu = (unsigned long) hcpu;
- int i;
-
- local_irq_disable();
- for (i = 0; i < NR_SOFTIRQS; i++) {
- struct list_head *head = &per_cpu(softirq_work_list[i], cpu);
- struct list_head *local_head;
-
- if (list_empty(head))
- continue;
-
- local_head = &__get_cpu_var(softirq_work_list[i]);
- list_splice_init(head, local_head);
- raise_softirq_irqoff(i);
- }
- local_irq_enable();
- }
-
- return NOTIFY_OK;
-}
-
-static struct notifier_block __cpuinitdata remote_softirq_cpu_notifier = {
- .notifier_call = remote_softirq_cpu_notify,
-};
-
void __init softirq_init(void)
{
int cpu;
for_each_possible_cpu(cpu) {
- int i;
-
per_cpu(tasklet_vec, cpu).tail =
&per_cpu(tasklet_vec, cpu).head;
per_cpu(tasklet_hi_vec, cpu).tail =
&per_cpu(tasklet_hi_vec, cpu).head;
- for (i = 0; i < NR_SOFTIRQS; i++)
- INIT_LIST_HEAD(&per_cpu(softirq_work_list[i], cpu));
}
- register_hotcpu_notifier(&remote_softirq_cpu_notifier);
-
open_softirq(TASKLET_SOFTIRQ, tasklet_action);
open_softirq(HI_SOFTIRQ, tasklet_hi_action);
}
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 603f1fa..ca96f41 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1117,10 +1117,10 @@ int memory_failure(unsigned long pfn, int trapno, int flags)
* The check (unnecessarily) ignores LRU pages being isolated and
* walked by the page reclaim code, however that's not a big loss.
*/
- if (!PageHuge(p) && !PageTransTail(p)) {
- if (!PageLRU(p))
- shake_page(p, 0);
- if (!PageLRU(p)) {
+ if (!PageHuge(p)) {
+ if (!PageLRU(hpage))
+ shake_page(hpage, 0);
+ if (!PageLRU(hpage)) {
/*
* shake_page could have turned it free.
*/
diff --git a/sound/oss/sequencer.c b/sound/oss/sequencer.c
index 4ff60a6..2e67dd5 100644
--- a/sound/oss/sequencer.c
+++ b/sound/oss/sequencer.c
@@ -683,13 +683,8 @@ static int seq_timing_event(unsigned char *event_rec)
break;
case TMR_ECHO:
- if (seq_mode == SEQ_2)
- seq_copy_to_input(event_rec, 8);
- else
- {
- parm = (parm << 8 | SEQ_ECHO);
- seq_copy_to_input((unsigned char *) &parm, 4);
- }
+ parm = (parm << 8 | SEQ_ECHO);
+ seq_copy_to_input((unsigned char *) &parm, 4);
break;
default:;
@@ -1332,7 +1327,6 @@ int sequencer_ioctl(int dev, struct file *file, unsigned int cmd, void __user *a
int mode = translate_mode(file);
struct synth_info inf;
struct seq_event_rec event_rec;
- unsigned long flags;
int __user *p = arg;
orig_dev = dev = dev >> 4;
@@ -1487,9 +1481,7 @@ int sequencer_ioctl(int dev, struct file *file, unsigned int cmd, void __user *a
case SNDCTL_SEQ_OUTOFBAND:
if (copy_from_user(&event_rec, arg, sizeof(event_rec)))
return -EFAULT;
- spin_lock_irqsave(&lock,flags);
play_event(event_rec.arr);
- spin_unlock_irqrestore(&lock,flags);
return 0;
case SNDCTL_MIDI_INFO:
--
1.9.1