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-rw-r--r--include/linux/blk-cgroup.h2
-rw-r--r--include/linux/bpf-cgroup.h8
-rw-r--r--include/linux/cgroup.h10
-rw-r--r--include/linux/cpuhotplug.h1
-rw-r--r--include/linux/filter.h2
-rw-r--r--include/linux/hrtimer.h17
-rw-r--r--include/linux/interrupt.h5
-rw-r--r--include/linux/kthread-cgroup.h17
-rw-r--r--include/linux/kthread.h17
-rw-r--r--include/linux/mmc/host.h1
-rw-r--r--include/linux/mmc/sdio_func.h6
-rw-r--r--include/linux/posix-timers.h1
-rw-r--r--include/linux/pwm.h5
-rw-r--r--include/linux/sched/mm.h4
-rw-r--r--include/linux/sunrpc/xprt.h1
-rw-r--r--include/linux/tcp.h4
-rw-r--r--include/linux/vmw_vmci_defs.h11
17 files changed, 76 insertions, 36 deletions
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index 6d766a19f2bb..0473efda4c65 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -14,7 +14,7 @@
* Nauman Rafique <nauman@google.com>
*/
-#include <linux/cgroup.h>
+#include <linux/kthread-cgroup.h>
#include <linux/percpu_counter.h>
#include <linux/seq_file.h>
#include <linux/radix-tree.h>
diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h
index f91b0f8ff3a9..ad6b30137ac2 100644
--- a/include/linux/bpf-cgroup.h
+++ b/include/linux/bpf-cgroup.h
@@ -210,6 +210,12 @@ void bpf_cgroup_storage_release(struct bpf_prog *prog, struct bpf_map *map);
#define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, t_ctx) \
BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP6_SENDMSG, t_ctx)
+#define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr) \
+ BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP4_RECVMSG, NULL)
+
+#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr) \
+ BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP6_RECVMSG, NULL)
+
#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) \
({ \
int __ret = 0; \
@@ -290,6 +296,8 @@ static inline void bpf_cgroup_storage_free(
#define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr) ({ 0; })
#define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, t_ctx) ({ 0; })
#define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, t_ctx) ({ 0; })
+#define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr) ({ 0; })
+#define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr) ({ 0; })
#define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; })
#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(type,major,minor,access) ({ 0; })
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index ca51b2c15bcc..8937d48a5389 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -485,7 +485,7 @@ static inline struct cgroup_subsys_state *task_css(struct task_struct *task,
*
* Find the css for the (@task, @subsys_id) combination, increment a
* reference on and return it. This function is guaranteed to return a
- * valid css.
+ * valid css. The returned css may already have been offlined.
*/
static inline struct cgroup_subsys_state *
task_get_css(struct task_struct *task, int subsys_id)
@@ -495,7 +495,13 @@ task_get_css(struct task_struct *task, int subsys_id)
rcu_read_lock();
while (true) {
css = task_css(task, subsys_id);
- if (likely(css_tryget_online(css)))
+ /*
+ * Can't use css_tryget_online() here. A task which has
+ * PF_EXITING set may stay associated with an offline css.
+ * If such task calls this function, css_tryget_online()
+ * will keep failing.
+ */
+ if (likely(css_tryget(css)))
break;
cpu_relax();
}
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index caf40ad0bbc6..d64d8c2bbdab 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -101,6 +101,7 @@ enum cpuhp_state {
CPUHP_AP_IRQ_BCM2836_STARTING,
CPUHP_AP_IRQ_MIPS_GIC_STARTING,
CPUHP_AP_ARM_MVEBU_COHERENCY,
+ CPUHP_AP_MICROCODE_LOADER,
CPUHP_AP_PERF_X86_AMD_UNCORE_STARTING,
CPUHP_AP_PERF_X86_STARTING,
CPUHP_AP_PERF_X86_AMD_IBS_STARTING,
diff --git a/include/linux/filter.h b/include/linux/filter.h
index d52a7484aeb2..3705c6f10b17 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -837,7 +837,7 @@ bpf_run_sk_reuseport(struct sock_reuseport *reuse, struct sock *sk,
extern int bpf_jit_enable;
extern int bpf_jit_harden;
extern int bpf_jit_kallsyms;
-extern int bpf_jit_limit;
+extern long bpf_jit_limit;
typedef void (*bpf_jit_fill_hole_t)(void *area, unsigned int size);
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 2bdb047c7656..6c4c38186c99 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -22,7 +22,6 @@
#include <linux/percpu.h>
#include <linux/timer.h>
#include <linux/timerqueue.h>
-#include <linux/wait.h>
struct hrtimer_clock_base;
struct hrtimer_cpu_base;
@@ -193,6 +192,8 @@ enum hrtimer_base_type {
* @nr_retries: Total number of hrtimer interrupt retries
* @nr_hangs: Total number of hrtimer interrupt hangs
* @max_hang_time: Maximum time spent in hrtimer_interrupt
+ * @softirq_expiry_lock: Lock which is taken while softirq based hrtimer are
+ * expired
* @expires_next: absolute time of the next event, is required for remote
* hrtimer enqueue; it is the total first expiry time (hard
* and soft hrtimer are taken into account)
@@ -220,12 +221,10 @@ struct hrtimer_cpu_base {
unsigned short nr_hangs;
unsigned int max_hang_time;
#endif
+ spinlock_t softirq_expiry_lock;
ktime_t expires_next;
struct hrtimer *next_timer;
ktime_t softirq_expires_next;
-#ifdef CONFIG_PREEMPT_RT_BASE
- wait_queue_head_t wait;
-#endif
struct hrtimer *softirq_next_timer;
struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES];
} ____cacheline_aligned;
@@ -426,6 +425,7 @@ static inline void hrtimer_start(struct hrtimer *timer, ktime_t tim,
extern int hrtimer_cancel(struct hrtimer *timer);
extern int hrtimer_try_to_cancel(struct hrtimer *timer);
+extern void hrtimer_grab_expiry_lock(const struct hrtimer *timer);
static inline void hrtimer_start_expires(struct hrtimer *timer,
enum hrtimer_mode mode)
@@ -443,13 +443,6 @@ static inline void hrtimer_restart(struct hrtimer *timer)
hrtimer_start_expires(timer, HRTIMER_MODE_ABS);
}
-/* Softirq preemption could deadlock timer removal */
-#ifdef CONFIG_PREEMPT_RT_BASE
- extern void hrtimer_wait_for_timer(const struct hrtimer *timer);
-#else
-# define hrtimer_wait_for_timer(timer) do { cpu_relax(); } while (0)
-#endif
-
/* Query timers: */
extern ktime_t __hrtimer_get_remaining(const struct hrtimer *timer, bool adjust);
@@ -475,7 +468,7 @@ static inline int hrtimer_is_queued(struct hrtimer *timer)
* Helper function to check, whether the timer is running the callback
* function
*/
-static inline int hrtimer_callback_running(const struct hrtimer *timer)
+static inline int hrtimer_callback_running(struct hrtimer *timer)
{
return timer->base->running == timer;
}
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 72333899f043..a9321f6429f2 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -13,7 +13,7 @@
#include <linux/hrtimer.h>
#include <linux/kref.h>
#include <linux/workqueue.h>
-#include <linux/swork.h>
+#include <linux/kthread.h>
#include <linux/atomic.h>
#include <asm/ptrace.h>
@@ -228,7 +228,6 @@ extern void resume_device_irqs(void);
* struct irq_affinity_notify - context for notification of IRQ affinity changes
* @irq: Interrupt to which notification applies
* @kref: Reference count, for internal use
- * @swork: Swork item, for internal use
* @work: Work item, for internal use
* @notify: Function to be called on change. This will be
* called in process context.
@@ -241,7 +240,7 @@ struct irq_affinity_notify {
unsigned int irq;
struct kref kref;
#ifdef CONFIG_PREEMPT_RT_BASE
- struct swork_event swork;
+ struct kthread_work work;
#else
struct work_struct work;
#endif
diff --git a/include/linux/kthread-cgroup.h b/include/linux/kthread-cgroup.h
new file mode 100644
index 000000000000..53d34bca9d72
--- /dev/null
+++ b/include/linux/kthread-cgroup.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_KTHREAD_CGROUP_H
+#define _LINUX_KTHREAD_CGROUP_H
+#include <linux/kthread.h>
+#include <linux/cgroup.h>
+
+#ifdef CONFIG_BLK_CGROUP
+void kthread_associate_blkcg(struct cgroup_subsys_state *css);
+struct cgroup_subsys_state *kthread_blkcg(void);
+#else
+static inline void kthread_associate_blkcg(struct cgroup_subsys_state *css) { }
+static inline struct cgroup_subsys_state *kthread_blkcg(void)
+{
+ return NULL;
+}
+#endif
+#endif
diff --git a/include/linux/kthread.h b/include/linux/kthread.h
index ad292898f7f2..7cf56eb54103 100644
--- a/include/linux/kthread.h
+++ b/include/linux/kthread.h
@@ -4,7 +4,6 @@
/* Simple interface for creating and stopping kernel threads without mess. */
#include <linux/err.h>
#include <linux/sched.h>
-#include <linux/cgroup.h>
__printf(4, 5)
struct task_struct *kthread_create_on_node(int (*threadfn)(void *data),
@@ -106,7 +105,7 @@ struct kthread_delayed_work {
};
#define KTHREAD_WORKER_INIT(worker) { \
- .lock = __SPIN_LOCK_UNLOCKED((worker).lock), \
+ .lock = __RAW_SPIN_LOCK_UNLOCKED((worker).lock), \
.work_list = LIST_HEAD_INIT((worker).work_list), \
.delayed_work_list = LIST_HEAD_INIT((worker).delayed_work_list),\
}
@@ -198,14 +197,12 @@ bool kthread_cancel_delayed_work_sync(struct kthread_delayed_work *work);
void kthread_destroy_worker(struct kthread_worker *worker);
-#ifdef CONFIG_BLK_CGROUP
-void kthread_associate_blkcg(struct cgroup_subsys_state *css);
-struct cgroup_subsys_state *kthread_blkcg(void);
-#else
-static inline void kthread_associate_blkcg(struct cgroup_subsys_state *css) { }
-static inline struct cgroup_subsys_state *kthread_blkcg(void)
+extern struct kthread_worker kthread_global_worker;
+void kthread_init_global_worker(void);
+
+static inline bool kthread_schedule_work(struct kthread_work *work)
{
- return NULL;
+ return kthread_queue_work(&kthread_global_worker, work);
}
-#endif
+
#endif /* _LINUX_KTHREAD_H */
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index beed7121c781..2ff52de1c2b8 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -395,6 +395,7 @@ struct mmc_host {
unsigned int retune_now:1; /* do re-tuning at next req */
unsigned int retune_paused:1; /* re-tuning is temporarily disabled */
unsigned int use_blk_mq:1; /* use blk-mq */
+ unsigned int retune_crc_disable:1; /* don't trigger retune upon crc */
int rescan_disable; /* disable card detection */
int rescan_entered; /* used with nonremovable devices */
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index 97ca105347a6..6905f3f641cc 100644
--- a/include/linux/mmc/sdio_func.h
+++ b/include/linux/mmc/sdio_func.h
@@ -159,4 +159,10 @@ extern void sdio_f0_writeb(struct sdio_func *func, unsigned char b,
extern mmc_pm_flag_t sdio_get_host_pm_caps(struct sdio_func *func);
extern int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags);
+extern void sdio_retune_crc_disable(struct sdio_func *func);
+extern void sdio_retune_crc_enable(struct sdio_func *func);
+
+extern void sdio_retune_hold_now(struct sdio_func *func);
+extern void sdio_retune_release(struct sdio_func *func);
+
#endif /* LINUX_MMC_SDIO_FUNC_H */
diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h
index 0571b498db73..3e6c91bdf2ef 100644
--- a/include/linux/posix-timers.h
+++ b/include/linux/posix-timers.h
@@ -15,6 +15,7 @@ struct cpu_timer_list {
u64 expires, incr;
struct task_struct *task;
int firing;
+ int firing_cpu;
};
/*
diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index 56518adc31dd..bd7d611d63e9 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -639,7 +639,6 @@ static inline void pwm_remove_table(struct pwm_lookup *table, size_t num)
#ifdef CONFIG_PWM_SYSFS
void pwmchip_sysfs_export(struct pwm_chip *chip);
void pwmchip_sysfs_unexport(struct pwm_chip *chip);
-void pwmchip_sysfs_unexport_children(struct pwm_chip *chip);
#else
static inline void pwmchip_sysfs_export(struct pwm_chip *chip)
{
@@ -648,10 +647,6 @@ static inline void pwmchip_sysfs_export(struct pwm_chip *chip)
static inline void pwmchip_sysfs_unexport(struct pwm_chip *chip)
{
}
-
-static inline void pwmchip_sysfs_unexport_children(struct pwm_chip *chip)
-{
-}
#endif /* CONFIG_PWM_SYSFS */
#endif /* __LINUX_PWM_H */
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
index 6e578905e4ec..b6758c6fffbf 100644
--- a/include/linux/sched/mm.h
+++ b/include/linux/sched/mm.h
@@ -65,6 +65,10 @@ static inline void mmdrop_delayed(struct mm_struct *mm)
* followed by taking the mmap_sem for writing before modifying the
* vmas or anything the coredump pretends not to change from under it.
*
+ * It also has to be called when mmgrab() is used in the context of
+ * the process, but then the mm_count refcount is transferred outside
+ * the context of the process to run down_write() on that pinned mm.
+ *
* NOTE: find_extend_vma() called from GUP context is the only place
* that can modify the "mm" (notably the vm_start/end) under mmap_sem
* for reading and outside the context of the process, so it is also
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index f30bf500888d..e7bbd82908b1 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -325,7 +325,6 @@ struct xprt_class {
struct rpc_xprt *xprt_create_transport(struct xprt_create *args);
void xprt_connect(struct rpc_task *task);
void xprt_reserve(struct rpc_task *task);
-void xprt_request_init(struct rpc_task *task);
void xprt_retry_reserve(struct rpc_task *task);
int xprt_reserve_xprt(struct rpc_xprt *xprt, struct rpc_task *task);
int xprt_reserve_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task);
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index d2c8f280e48f..4374196b98ea 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -485,4 +485,8 @@ static inline u16 tcp_mss_clamp(const struct tcp_sock *tp, u16 mss)
return (user_mss && user_mss < mss) ? user_mss : mss;
}
+
+int tcp_skb_shift(struct sk_buff *to, struct sk_buff *from, int pcount,
+ int shiftlen);
+
#endif /* _LINUX_TCP_H */
diff --git a/include/linux/vmw_vmci_defs.h b/include/linux/vmw_vmci_defs.h
index b724ef7005de..53c5e40a2a8f 100644
--- a/include/linux/vmw_vmci_defs.h
+++ b/include/linux/vmw_vmci_defs.h
@@ -68,9 +68,18 @@ enum {
/*
* A single VMCI device has an upper limit of 128MB on the amount of
- * memory that can be used for queue pairs.
+ * memory that can be used for queue pairs. Since each queue pair
+ * consists of at least two pages, the memory limit also dictates the
+ * number of queue pairs a guest can create.
*/
#define VMCI_MAX_GUEST_QP_MEMORY (128 * 1024 * 1024)
+#define VMCI_MAX_GUEST_QP_COUNT (VMCI_MAX_GUEST_QP_MEMORY / PAGE_SIZE / 2)
+
+/*
+ * There can be at most PAGE_SIZE doorbells since there is one doorbell
+ * per byte in the doorbell bitmap page.
+ */
+#define VMCI_MAX_GUEST_DOORBELL_COUNT PAGE_SIZE
/*
* Queues with pre-mapped data pages must be small, so that we don't pin
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-28 07:52:37 +0000