diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/bounds.c | 2 | ||||
| -rw-r--r-- | kernel/cgroup.c | 7 | ||||
| -rw-r--r-- | kernel/irq/settings.h | 7 | ||||
| -rw-r--r-- | kernel/irq/spurious.c | 12 | ||||
| -rw-r--r-- | kernel/power/snapshot.c | 3 | ||||
| -rw-r--r-- | kernel/power/user.c | 1 | ||||
| -rw-r--r-- | kernel/taskstats.c | 38 |
7 files changed, 34 insertions, 36 deletions
diff --git a/kernel/bounds.c b/kernel/bounds.c index 578782ef6ae..5253204afdc 100644 --- a/kernel/bounds.c +++ b/kernel/bounds.c @@ -11,7 +11,7 @@ #include <linux/kbuild.h> #include <linux/page_cgroup.h> #include <linux/log2.h> -#include <linux/spinlock.h> +#include <linux/spinlock_types.h> void foo(void) { diff --git a/kernel/cgroup.c b/kernel/cgroup.c index e0839bcd48c..4c62513fe19 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -895,11 +895,6 @@ static void cgroup_diput(struct dentry *dentry, struct inode *inode) iput(inode); } -static int cgroup_delete(const struct dentry *d) -{ - return 1; -} - static void remove_dir(struct dentry *d) { struct dentry *parent = dget(d->d_parent); @@ -1486,7 +1481,7 @@ static int cgroup_get_rootdir(struct super_block *sb) { static const struct dentry_operations cgroup_dops = { .d_iput = cgroup_diput, - .d_delete = cgroup_delete, + .d_delete = always_delete_dentry, }; struct inode *inode = diff --git a/kernel/irq/settings.h b/kernel/irq/settings.h index 1162f1030f1..3320b84cc60 100644 --- a/kernel/irq/settings.h +++ b/kernel/irq/settings.h @@ -14,6 +14,7 @@ enum { _IRQ_NO_BALANCING = IRQ_NO_BALANCING, _IRQ_NESTED_THREAD = IRQ_NESTED_THREAD, _IRQ_PER_CPU_DEVID = IRQ_PER_CPU_DEVID, + _IRQ_IS_POLLED = IRQ_IS_POLLED, _IRQF_MODIFY_MASK = IRQF_MODIFY_MASK, }; @@ -26,6 +27,7 @@ enum { #define IRQ_NOAUTOEN GOT_YOU_MORON #define IRQ_NESTED_THREAD GOT_YOU_MORON #define IRQ_PER_CPU_DEVID GOT_YOU_MORON +#define IRQ_IS_POLLED GOT_YOU_MORON #undef IRQF_MODIFY_MASK #define IRQF_MODIFY_MASK GOT_YOU_MORON @@ -147,3 +149,8 @@ static inline bool irq_settings_is_nested_thread(struct irq_desc *desc) { return desc->status_use_accessors & _IRQ_NESTED_THREAD; } + +static inline bool irq_settings_is_polled(struct irq_desc *desc) +{ + return desc->status_use_accessors & _IRQ_IS_POLLED; +} diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index 7b5f012bde9..a1d8cc63b56 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -67,8 +67,13 @@ static int try_one_irq(int irq, struct irq_desc *desc, bool force) raw_spin_lock(&desc->lock); - /* PER_CPU and nested thread interrupts are never polled */ - if (irq_settings_is_per_cpu(desc) || irq_settings_is_nested_thread(desc)) + /* + * PER_CPU, nested thread interrupts and interrupts explicitely + * marked polled are excluded from polling. + */ + if (irq_settings_is_per_cpu(desc) || + irq_settings_is_nested_thread(desc) || + irq_settings_is_polled(desc)) goto out; /* @@ -268,7 +273,8 @@ try_misrouted_irq(unsigned int irq, struct irq_desc *desc, void note_interrupt(unsigned int irq, struct irq_desc *desc, irqreturn_t action_ret) { - if (desc->istate & IRQS_POLL_INPROGRESS) + if (desc->istate & IRQS_POLL_INPROGRESS || + irq_settings_is_polled(desc)) return; /* we get here again via the threaded handler */ diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index 10c22cae83a..b38109e204a 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -792,7 +792,8 @@ void free_basic_memory_bitmaps(void) { struct memory_bitmap *bm1, *bm2; - BUG_ON(!(forbidden_pages_map && free_pages_map)); + if (WARN_ON(!(forbidden_pages_map && free_pages_map))) + return; bm1 = forbidden_pages_map; bm2 = free_pages_map; diff --git a/kernel/power/user.c b/kernel/power/user.c index 24850270c80..98d357584cd 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -70,6 +70,7 @@ static int snapshot_open(struct inode *inode, struct file *filp) data->swap = swsusp_resume_device ? swap_type_of(swsusp_resume_device, 0, NULL) : -1; data->mode = O_RDONLY; + data->free_bitmaps = false; error = pm_notifier_call_chain(PM_HIBERNATION_PREPARE); if (error) pm_notifier_call_chain(PM_POST_HIBERNATION); diff --git a/kernel/taskstats.c b/kernel/taskstats.c index 9f4618eb51c..13d2f7cd65d 100644 --- a/kernel/taskstats.c +++ b/kernel/taskstats.c @@ -673,17 +673,18 @@ err: nlmsg_free(rep_skb); } -static struct genl_ops taskstats_ops = { - .cmd = TASKSTATS_CMD_GET, - .doit = taskstats_user_cmd, - .policy = taskstats_cmd_get_policy, - .flags = GENL_ADMIN_PERM, -}; - -static struct genl_ops cgroupstats_ops = { - .cmd = CGROUPSTATS_CMD_GET, - .doit = cgroupstats_user_cmd, - .policy = cgroupstats_cmd_get_policy, +static const struct genl_ops taskstats_ops[] = { + { + .cmd = TASKSTATS_CMD_GET, + .doit = taskstats_user_cmd, + .policy = taskstats_cmd_get_policy, + .flags = GENL_ADMIN_PERM, + }, + { + .cmd = CGROUPSTATS_CMD_GET, + .doit = cgroupstats_user_cmd, + .policy = cgroupstats_cmd_get_policy, + }, }; /* Needed early in initialization */ @@ -702,26 +703,13 @@ static int __init taskstats_init(void) { int rc; - rc = genl_register_family(&family); + rc = genl_register_family_with_ops(&family, taskstats_ops); if (rc) return rc; - rc = genl_register_ops(&family, &taskstats_ops); - if (rc < 0) - goto err; - - rc = genl_register_ops(&family, &cgroupstats_ops); - if (rc < 0) - goto err_cgroup_ops; - family_registered = 1; pr_info("registered taskstats version %d\n", TASKSTATS_GENL_VERSION); return 0; -err_cgroup_ops: - genl_unregister_ops(&family, &taskstats_ops); -err: - genl_unregister_family(&family); - return rc; } /* |