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-rw-r--r--arch/avr32/kernel/time.c65
-rw-r--r--arch/s390/kernel/asm-offsets.c15
-rw-r--r--arch/s390/kernel/entry.S13
-rw-r--r--arch/s390/kernel/traps.c4
-rw-r--r--drivers/pinctrl/bcm/pinctrl-bcm2835.c2
-rw-r--r--drivers/pinctrl/freescale/pinctrl-imx1-core.c3
-rw-r--r--drivers/pinctrl/nomadik/pinctrl-abx500.c1
-rw-r--r--drivers/pinctrl/pinctrl-lpc18xx.c4
-rw-r--r--drivers/pinctrl/pinctrl-single.c3
-rw-r--r--drivers/pinctrl/samsung/pinctrl-samsung.c5
-rw-r--r--drivers/pinctrl/sh-pfc/sh_pfc.h2
-rw-r--r--fs/notify/mark.c34
-rw-r--r--fs/udf/inode.c19
-rw-r--r--samples/trace_events/trace-events-sample.h7
14 files changed, 91 insertions, 86 deletions
diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c
index d0f771be9e96..a124c55733db 100644
--- a/arch/avr32/kernel/time.c
+++ b/arch/avr32/kernel/time.c
@@ -18,6 +18,7 @@
#include <mach/pm.h>
+static bool disable_cpu_idle_poll;
static cycle_t read_cycle_count(struct clocksource *cs)
{
@@ -80,45 +81,45 @@ static int comparator_next_event(unsigned long delta,
return 0;
}
-static void comparator_mode(enum clock_event_mode mode,
- struct clock_event_device *evdev)
+static int comparator_shutdown(struct clock_event_device *evdev)
{
- switch (mode) {
- case CLOCK_EVT_MODE_ONESHOT:
- pr_debug("%s: start\n", evdev->name);
- /* FALLTHROUGH */
- case CLOCK_EVT_MODE_RESUME:
+ pr_debug("%s: %s\n", __func__, evdev->name);
+ sysreg_write(COMPARE, 0);
+
+ if (disable_cpu_idle_poll) {
+ disable_cpu_idle_poll = false;
/*
- * If we're using the COUNT and COMPARE registers we
- * need to force idle poll.
+ * Only disable idle poll if we have forced that
+ * in a previous call.
*/
- cpu_idle_poll_ctrl(true);
- break;
- case CLOCK_EVT_MODE_UNUSED:
- case CLOCK_EVT_MODE_SHUTDOWN:
- sysreg_write(COMPARE, 0);
- pr_debug("%s: stop\n", evdev->name);
- if (evdev->mode == CLOCK_EVT_MODE_ONESHOT ||
- evdev->mode == CLOCK_EVT_MODE_RESUME) {
- /*
- * Only disable idle poll if we have forced that
- * in a previous call.
- */
- cpu_idle_poll_ctrl(false);
- }
- break;
- default:
- BUG();
+ cpu_idle_poll_ctrl(false);
}
+ return 0;
+}
+
+static int comparator_set_oneshot(struct clock_event_device *evdev)
+{
+ pr_debug("%s: %s\n", __func__, evdev->name);
+
+ disable_cpu_idle_poll = true;
+ /*
+ * If we're using the COUNT and COMPARE registers we
+ * need to force idle poll.
+ */
+ cpu_idle_poll_ctrl(true);
+
+ return 0;
}
static struct clock_event_device comparator = {
- .name = "avr32_comparator",
- .features = CLOCK_EVT_FEAT_ONESHOT,
- .shift = 16,
- .rating = 50,
- .set_next_event = comparator_next_event,
- .set_mode = comparator_mode,
+ .name = "avr32_comparator",
+ .features = CLOCK_EVT_FEAT_ONESHOT,
+ .shift = 16,
+ .rating = 50,
+ .set_next_event = comparator_next_event,
+ .set_state_shutdown = comparator_shutdown,
+ .set_state_oneshot = comparator_set_oneshot,
+ .tick_resume = comparator_set_oneshot,
};
void read_persistent_clock(struct timespec *ts)
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index c7d1b9d09011..a2da259d9327 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -23,15 +23,15 @@
int main(void)
{
- DEFINE(__THREAD_info, offsetof(struct task_struct, stack));
- DEFINE(__THREAD_ksp, offsetof(struct task_struct, thread.ksp));
- DEFINE(__THREAD_mm_segment, offsetof(struct task_struct, thread.mm_segment));
- BLANK();
+ DEFINE(__TASK_thread_info, offsetof(struct task_struct, stack));
+ DEFINE(__TASK_thread, offsetof(struct task_struct, thread));
DEFINE(__TASK_pid, offsetof(struct task_struct, pid));
BLANK();
- DEFINE(__THREAD_per_cause, offsetof(struct task_struct, thread.per_event.cause));
- DEFINE(__THREAD_per_address, offsetof(struct task_struct, thread.per_event.address));
- DEFINE(__THREAD_per_paid, offsetof(struct task_struct, thread.per_event.paid));
+ DEFINE(__THREAD_ksp, offsetof(struct thread_struct, ksp));
+ DEFINE(__THREAD_per_cause, offsetof(struct thread_struct, per_event.cause));
+ DEFINE(__THREAD_per_address, offsetof(struct thread_struct, per_event.address));
+ DEFINE(__THREAD_per_paid, offsetof(struct thread_struct, per_event.paid));
+ DEFINE(__THREAD_trap_tdb, offsetof(struct thread_struct, trap_tdb));
BLANK();
DEFINE(__TI_task, offsetof(struct thread_info, task));
DEFINE(__TI_flags, offsetof(struct thread_info, flags));
@@ -176,7 +176,6 @@ int main(void)
DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data));
DEFINE(__LC_GMAP, offsetof(struct _lowcore, gmap));
DEFINE(__LC_PGM_TDB, offsetof(struct _lowcore, pgm_tdb));
- DEFINE(__THREAD_trap_tdb, offsetof(struct task_struct, thread.trap_tdb));
DEFINE(__GMAP_ASCE, offsetof(struct gmap, asce));
DEFINE(__SIE_PROG0C, offsetof(struct kvm_s390_sie_block, prog0c));
DEFINE(__SIE_PROG20, offsetof(struct kvm_s390_sie_block, prog20));
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 3238893c9d4f..84062e7a77da 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -178,17 +178,21 @@ _PIF_WORK = (_PIF_PER_TRAP)
*/
ENTRY(__switch_to)
stmg %r6,%r15,__SF_GPRS(%r15) # store gprs of prev task
- stg %r15,__THREAD_ksp(%r2) # store kernel stack of prev
- lg %r4,__THREAD_info(%r2) # get thread_info of prev
- lg %r5,__THREAD_info(%r3) # get thread_info of next
+ lgr %r1,%r2
+ aghi %r1,__TASK_thread # thread_struct of prev task
+ lg %r4,__TASK_thread_info(%r2) # get thread_info of prev
+ lg %r5,__TASK_thread_info(%r3) # get thread_info of next
+ stg %r15,__THREAD_ksp(%r1) # store kernel stack of prev
+ lgr %r1,%r3
+ aghi %r1,__TASK_thread # thread_struct of next task
lgr %r15,%r5
aghi %r15,STACK_INIT # end of kernel stack of next
stg %r3,__LC_CURRENT # store task struct of next
stg %r5,__LC_THREAD_INFO # store thread info of next
stg %r15,__LC_KERNEL_STACK # store end of kernel stack
+ lg %r15,__THREAD_ksp(%r1) # load kernel stack of next
lctl %c4,%c4,__TASK_pid(%r3) # load pid to control reg. 4
mvc __LC_CURRENT_PID+4(4,%r0),__TASK_pid(%r3) # store pid of next
- lg %r15,__THREAD_ksp(%r3) # load kernel stack of next
lmg %r6,%r15,__SF_GPRS(%r15) # load gprs of next task
br %r14
@@ -417,6 +421,7 @@ ENTRY(pgm_check_handler)
LAST_BREAK %r14
lg %r15,__LC_KERNEL_STACK
lg %r14,__TI_task(%r12)
+ aghi %r14,__TASK_thread # pointer to thread_struct
lghi %r13,__LC_PGM_TDB
tm __LC_PGM_ILC+2,0x02 # check for transaction abort
jz 2f
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 4d96c9f53455..7bea81d8a363 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -259,7 +259,7 @@ void vector_exception(struct pt_regs *regs)
}
/* get vector interrupt code from fpc */
- asm volatile("stfpc %0" : "=m" (current->thread.fp_regs.fpc));
+ asm volatile("stfpc %0" : "=Q" (current->thread.fp_regs.fpc));
vic = (current->thread.fp_regs.fpc & 0xf00) >> 8;
switch (vic) {
case 1: /* invalid vector operation */
@@ -297,7 +297,7 @@ void data_exception(struct pt_regs *regs)
location = get_trap_ip(regs);
- asm volatile("stfpc %0" : "=m" (current->thread.fp_regs.fpc));
+ asm volatile("stfpc %0" : "=Q" (current->thread.fp_regs.fpc));
/* Check for vector register enablement */
if (MACHINE_HAS_VX && !current->thread.vxrs &&
(current->thread.fp_regs.fpc & FPC_DXC_MASK) == 0xfe00) {
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
index efcf2a2b3975..6177315ab74e 100644
--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
@@ -473,6 +473,8 @@ static void bcm2835_gpio_irq_disable(struct irq_data *data)
spin_lock_irqsave(&pc->irq_lock[bank], flags);
bcm2835_gpio_irq_config(pc, gpio, false);
+ /* Clear events that were latched prior to clearing event sources */
+ bcm2835_gpio_set_bit(pc, GPEDS0, gpio);
clear_bit(offset, &pc->enabled_irq_map[bank]);
spin_unlock_irqrestore(&pc->irq_lock[bank], flags);
}
diff --git a/drivers/pinctrl/freescale/pinctrl-imx1-core.c b/drivers/pinctrl/freescale/pinctrl-imx1-core.c
index 5fd4437cee15..88a7fac11bd4 100644
--- a/drivers/pinctrl/freescale/pinctrl-imx1-core.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx1-core.c
@@ -403,14 +403,13 @@ static int imx1_pinconf_set(struct pinctrl_dev *pctldev,
unsigned num_configs)
{
struct imx1_pinctrl *ipctl = pinctrl_dev_get_drvdata(pctldev);
- const struct imx1_pinctrl_soc_info *info = ipctl->info;
int i;
for (i = 0; i != num_configs; ++i) {
imx1_write_bit(ipctl, pin_id, configs[i] & 0x01, MX1_PUEN);
dev_dbg(ipctl->dev, "pinconf set pullup pin %s\n",
- info->pins[pin_id].name);
+ pin_desc_get(pctldev, pin_id)->name);
}
return 0;
diff --git a/drivers/pinctrl/nomadik/pinctrl-abx500.c b/drivers/pinctrl/nomadik/pinctrl-abx500.c
index 557d0f2a3031..97681fac082e 100644
--- a/drivers/pinctrl/nomadik/pinctrl-abx500.c
+++ b/drivers/pinctrl/nomadik/pinctrl-abx500.c
@@ -787,7 +787,6 @@ static const struct pinmux_ops abx500_pinmux_ops = {
.set_mux = abx500_pmx_set,
.gpio_request_enable = abx500_gpio_request_enable,
.gpio_disable_free = abx500_gpio_disable_free,
- .strict = true,
};
static int abx500_get_groups_cnt(struct pinctrl_dev *pctldev)
diff --git a/drivers/pinctrl/pinctrl-lpc18xx.c b/drivers/pinctrl/pinctrl-lpc18xx.c
index ef0b697639a7..347c763a6a78 100644
--- a/drivers/pinctrl/pinctrl-lpc18xx.c
+++ b/drivers/pinctrl/pinctrl-lpc18xx.c
@@ -823,7 +823,7 @@ static int lpc18xx_pconf_set_i2c0(struct pinctrl_dev *pctldev,
break;
case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
- if (param)
+ if (param_val)
*reg &= ~(LPC18XX_SCU_I2C0_ZIF << shift);
else
*reg |= (LPC18XX_SCU_I2C0_ZIF << shift);
@@ -876,7 +876,7 @@ static int lpc18xx_pconf_set_pin(struct pinctrl_dev *pctldev,
break;
case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
- if (param)
+ if (param_val)
*reg &= ~LPC18XX_SCU_PIN_ZIF;
else
*reg |= LPC18XX_SCU_PIN_ZIF;
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index b2de09d3b1a0..0b8d480171a3 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -1760,7 +1760,8 @@ static int pcs_irq_init_chained_handler(struct pcs_device *pcs,
int res;
res = request_irq(pcs_soc->irq, pcs_irq_handler,
- IRQF_SHARED | IRQF_NO_SUSPEND,
+ IRQF_SHARED | IRQF_NO_SUSPEND |
+ IRQF_NO_THREAD,
name, pcs_soc);
if (res) {
pcs_soc->irq = -1;
diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c
index 3dd5a3b2ac62..c760bf43d116 100644
--- a/drivers/pinctrl/samsung/pinctrl-samsung.c
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.c
@@ -33,11 +33,6 @@
#include "../core.h"
#include "pinctrl-samsung.h"
-#define GROUP_SUFFIX "-grp"
-#define GSUFFIX_LEN sizeof(GROUP_SUFFIX)
-#define FUNCTION_SUFFIX "-mux"
-#define FSUFFIX_LEN sizeof(FUNCTION_SUFFIX)
-
/* list of all possible config options supported */
static struct pin_config {
const char *property;
diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h
index c7508d5f6886..0874cfee6889 100644
--- a/drivers/pinctrl/sh-pfc/sh_pfc.h
+++ b/drivers/pinctrl/sh-pfc/sh_pfc.h
@@ -224,7 +224,7 @@ struct sh_pfc_soc_info {
/* PINMUX_GPIO_GP_ALL - Expand to a list of sh_pfc_pin entries */
#define _GP_GPIO(bank, _pin, _name, sfx) \
- [(bank * 32) + _pin] = { \
+ { \
.pin = (bank * 32) + _pin, \
.name = __stringify(_name), \
.enum_id = _name##_DATA, \
diff --git a/fs/notify/mark.c b/fs/notify/mark.c
index 3e594ce41010..92e48c70f0f0 100644
--- a/fs/notify/mark.c
+++ b/fs/notify/mark.c
@@ -152,15 +152,31 @@ void fsnotify_destroy_mark_locked(struct fsnotify_mark *mark,
BUG();
list_del_init(&mark->g_list);
+
spin_unlock(&mark->lock);
if (inode && (mark->flags & FSNOTIFY_MARK_FLAG_OBJECT_PINNED))
iput(inode);
+ /* release lock temporarily */
+ mutex_unlock(&group->mark_mutex);
spin_lock(&destroy_lock);
list_add(&mark->g_list, &destroy_list);
spin_unlock(&destroy_lock);
wake_up(&destroy_waitq);
+ /*
+ * We don't necessarily have a ref on mark from caller so the above destroy
+ * may have actually freed it, unless this group provides a 'freeing_mark'
+ * function which must be holding a reference.
+ */
+
+ /*
+ * Some groups like to know that marks are being freed. This is a
+ * callback to the group function to let it know that this mark
+ * is being freed.
+ */
+ if (group->ops->freeing_mark)
+ group->ops->freeing_mark(mark, group);
/*
* __fsnotify_update_child_dentry_flags(inode);
@@ -175,6 +191,8 @@ void fsnotify_destroy_mark_locked(struct fsnotify_mark *mark,
*/
atomic_dec(&group->num_marks);
+
+ mutex_lock_nested(&group->mark_mutex, SINGLE_DEPTH_NESTING);
}
void fsnotify_destroy_mark(struct fsnotify_mark *mark,
@@ -187,10 +205,7 @@ void fsnotify_destroy_mark(struct fsnotify_mark *mark,
/*
* Destroy all marks in the given list. The marks must be already detached from
- * the original inode / vfsmount. Note that we can race with
- * fsnotify_clear_marks_by_group_flags(). However we hold a reference to each
- * mark so they won't get freed from under us and nobody else touches our
- * free_list list_head.
+ * the original inode / vfsmount.
*/
void fsnotify_destroy_marks(struct list_head *to_free)
{
@@ -391,7 +406,7 @@ struct fsnotify_mark *fsnotify_find_mark(struct hlist_head *head,
}
/*
- * Clear any marks in a group in which mark->flags & flags is true.
+ * clear any marks in a group in which mark->flags & flags is true
*/
void fsnotify_clear_marks_by_group_flags(struct fsnotify_group *group,
unsigned int flags)
@@ -445,7 +460,6 @@ static int fsnotify_mark_destroy(void *ignored)
{
struct fsnotify_mark *mark, *next;
struct list_head private_destroy_list;
- struct fsnotify_group *group;
for (;;) {
spin_lock(&destroy_lock);
@@ -457,14 +471,6 @@ static int fsnotify_mark_destroy(void *ignored)
list_for_each_entry_safe(mark, next, &private_destroy_list, g_list) {
list_del_init(&mark->g_list);
- group = mark->group;
- /*
- * Some groups like to know that marks are being freed.
- * This is a callback to the group function to let it
- * know that this mark is being freed.
- */
- if (group && group->ops->freeing_mark)
- group->ops->freeing_mark(mark, group);
fsnotify_put_mark(mark);
}
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 6afac3d561ac..8d0b3ade0ff0 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -1652,17 +1652,9 @@ static int udf_update_inode(struct inode *inode, int do_sync)
iinfo->i_ext.i_data, inode->i_sb->s_blocksize -
sizeof(struct unallocSpaceEntry));
use->descTag.tagIdent = cpu_to_le16(TAG_IDENT_USE);
- use->descTag.tagLocation =
- cpu_to_le32(iinfo->i_location.logicalBlockNum);
- crclen = sizeof(struct unallocSpaceEntry) +
- iinfo->i_lenAlloc - sizeof(struct tag);
- use->descTag.descCRCLength = cpu_to_le16(crclen);
- use->descTag.descCRC = cpu_to_le16(crc_itu_t(0, (char *)use +
- sizeof(struct tag),
- crclen));
- use->descTag.tagChecksum = udf_tag_checksum(&use->descTag);
+ crclen = sizeof(struct unallocSpaceEntry);
- goto out;
+ goto finish;
}
if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_FORGET))
@@ -1782,6 +1774,8 @@ static int udf_update_inode(struct inode *inode, int do_sync)
efe->descTag.tagIdent = cpu_to_le16(TAG_IDENT_EFE);
crclen = sizeof(struct extendedFileEntry);
}
+
+finish:
if (iinfo->i_strat4096) {
fe->icbTag.strategyType = cpu_to_le16(4096);
fe->icbTag.strategyParameter = cpu_to_le16(1);
@@ -1791,7 +1785,9 @@ static int udf_update_inode(struct inode *inode, int do_sync)
fe->icbTag.numEntries = cpu_to_le16(1);
}
- if (S_ISDIR(inode->i_mode))
+ if (iinfo->i_use)
+ fe->icbTag.fileType = ICBTAG_FILE_TYPE_USE;
+ else if (S_ISDIR(inode->i_mode))
fe->icbTag.fileType = ICBTAG_FILE_TYPE_DIRECTORY;
else if (S_ISREG(inode->i_mode))
fe->icbTag.fileType = ICBTAG_FILE_TYPE_REGULAR;
@@ -1828,7 +1824,6 @@ static int udf_update_inode(struct inode *inode, int do_sync)
crclen));
fe->descTag.tagChecksum = udf_tag_checksum(&fe->descTag);
-out:
set_buffer_uptodate(bh);
unlock_buffer(bh);
diff --git a/samples/trace_events/trace-events-sample.h b/samples/trace_events/trace-events-sample.h
index 8965d1bb8811..125d6402f64f 100644
--- a/samples/trace_events/trace-events-sample.h
+++ b/samples/trace_events/trace-events-sample.h
@@ -168,7 +168,10 @@
*
* For __dynamic_array(int, foo, bar) use __get_dynamic_array(foo)
* Use __get_dynamic_array_len(foo) to get the length of the array
- * saved.
+ * saved. Note, __get_dynamic_array_len() returns the total allocated
+ * length of the dynamic array; __print_array() expects the second
+ * parameter to be the number of elements. To get that, the array length
+ * needs to be divided by the element size.
*
* For __string(foo, bar) use __get_str(foo)
*
@@ -288,7 +291,7 @@ TRACE_EVENT(foo_bar,
* This prints out the array that is defined by __array in a nice format.
*/
__print_array(__get_dynamic_array(list),
- __get_dynamic_array_len(list),
+ __get_dynamic_array_len(list) / sizeof(int),
sizeof(int)),
__get_str(str), __get_bitmask(cpus))
);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.