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authorPaolo Bonzini <pbonzini@redhat.com>2023-03-31 18:15:09 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2023-03-31 18:15:09 +0300
commit85b475a4502d45380c1b9223c01954daa228eeb0 (patch)
tree2f37f9ea8519f7a101decd8a1e9ec13db051363b /include/linux
parent80962ec912db56d323883154efc2297473e692cb (diff)
parent21f27df854008b86349a203bf97fef79bb11f53e (diff)
downloadlinux-85b475a4502d45380c1b9223c01954daa228eeb0.tar.xz
Merge tag 'kvm-s390-master-6.3-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
A small fix that repairs the external loop detection code for PV guests.
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/acpi_mdio.h9
-rw-r--r--include/linux/blk-mq.h6
-rw-r--r--include/linux/blkdev.h5
-rw-r--r--include/linux/clk-provider.h8
-rw-r--r--include/linux/context_tracking.h1
-rw-r--r--include/linux/context_tracking_state.h2
-rw-r--r--include/linux/cpumask.h17
-rw-r--r--include/linux/efi.h1
-rw-r--r--include/linux/fb.h1
-rw-r--r--include/linux/find.h37
-rw-r--r--include/linux/interconnect-provider.h12
-rw-r--r--include/linux/io_uring.h11
-rw-r--r--include/linux/lockd/xdr4.h1
-rw-r--r--include/linux/netdevice.h6
-rw-r--r--include/linux/nvme-tcp.h5
-rw-r--r--include/linux/nvme.h5
-rw-r--r--include/linux/of_mdio.h22
-rw-r--r--include/linux/pci.h1
-rw-r--r--include/linux/percpu_counter.h6
-rw-r--r--include/linux/stmmac.h2
-rw-r--r--include/linux/sysfb.h9
-rw-r--r--include/linux/thermal.h1
-rw-r--r--include/linux/tracepoint.h15
23 files changed, 148 insertions, 35 deletions
diff --git a/include/linux/acpi_mdio.h b/include/linux/acpi_mdio.h
index 0a24ab7cb66f..8e2eefa9fbc0 100644
--- a/include/linux/acpi_mdio.h
+++ b/include/linux/acpi_mdio.h
@@ -9,7 +9,14 @@
#include <linux/phy.h>
#if IS_ENABLED(CONFIG_ACPI_MDIO)
-int acpi_mdiobus_register(struct mii_bus *mdio, struct fwnode_handle *fwnode);
+int __acpi_mdiobus_register(struct mii_bus *mdio, struct fwnode_handle *fwnode,
+ struct module *owner);
+
+static inline int
+acpi_mdiobus_register(struct mii_bus *mdio, struct fwnode_handle *handle)
+{
+ return __acpi_mdiobus_register(mdio, handle, THIS_MODULE);
+}
#else /* CONFIG_ACPI_MDIO */
static inline int
acpi_mdiobus_register(struct mii_bus *mdio, struct fwnode_handle *fwnode)
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index dd5ce1137f04..de0b0c3e7395 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -228,6 +228,12 @@ static inline unsigned short req_get_ioprio(struct request *req)
*(listptr) = rq; \
} while (0)
+#define rq_list_add_tail(lastpptr, rq) do { \
+ (rq)->rq_next = NULL; \
+ **(lastpptr) = rq; \
+ *(lastpptr) = &rq->rq_next; \
+} while (0)
+
#define rq_list_pop(listptr) \
({ \
struct request *__req = NULL; \
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index d1aee08f8c18..941304f17492 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1446,11 +1446,10 @@ static inline void blk_wake_io_task(struct task_struct *waiter)
wake_up_process(waiter);
}
-unsigned long bdev_start_io_acct(struct block_device *bdev,
- unsigned int sectors, enum req_op op,
+unsigned long bdev_start_io_acct(struct block_device *bdev, enum req_op op,
unsigned long start_time);
void bdev_end_io_acct(struct block_device *bdev, enum req_op op,
- unsigned long start_time);
+ unsigned int sectors, unsigned long start_time);
unsigned long bio_start_io_acct(struct bio *bio);
void bio_end_io_acct_remapped(struct bio *bio, unsigned long start_time,
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 842e72a5348f..6f3175f0678a 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -1363,7 +1363,13 @@ struct clk_hw_onecell_data {
struct clk_hw *hws[];
};
-#define CLK_OF_DECLARE(name, compat, fn) OF_DECLARE_1(clk, name, compat, fn)
+#define CLK_OF_DECLARE(name, compat, fn) \
+ static void __init __##name##_of_clk_init_declare(struct device_node *np) \
+ { \
+ fn(np); \
+ fwnode_dev_initialized(of_fwnode_handle(np), true); \
+ } \
+ OF_DECLARE_1(clk, name, compat, __##name##_of_clk_init_declare)
/*
* Use this macro when you have a driver that requires two initialization
diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h
index d4afa8508a80..3a7909ed5498 100644
--- a/include/linux/context_tracking.h
+++ b/include/linux/context_tracking.h
@@ -96,6 +96,7 @@ static inline void user_exit_irqoff(void) { }
static inline int exception_enter(void) { return 0; }
static inline void exception_exit(enum ctx_state prev_ctx) { }
static inline int ct_state(void) { return -1; }
+static inline int __ct_state(void) { return -1; }
static __always_inline bool context_tracking_guest_enter(void) { return false; }
static inline void context_tracking_guest_exit(void) { }
#define CT_WARN_ON(cond) do { } while (0)
diff --git a/include/linux/context_tracking_state.h b/include/linux/context_tracking_state.h
index 4a4d56f77180..fdd537ea513f 100644
--- a/include/linux/context_tracking_state.h
+++ b/include/linux/context_tracking_state.h
@@ -46,7 +46,9 @@ struct context_tracking {
#ifdef CONFIG_CONTEXT_TRACKING
DECLARE_PER_CPU(struct context_tracking, context_tracking);
+#endif
+#ifdef CONFIG_CONTEXT_TRACKING_USER
static __always_inline int __ct_state(void)
{
return arch_atomic_read(this_cpu_ptr(&context_tracking.state)) & CT_STATE_MASK;
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index d4901ca8883c..ca736b05ec7b 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -351,6 +351,23 @@ unsigned int __pure cpumask_next_wrap(int n, const struct cpumask *mask, int sta
for_each_andnot_bit(cpu, cpumask_bits(mask1), cpumask_bits(mask2), small_cpumask_bits)
/**
+ * for_each_cpu_or - iterate over every cpu present in either mask
+ * @cpu: the (optionally unsigned) integer iterator
+ * @mask1: the first cpumask pointer
+ * @mask2: the second cpumask pointer
+ *
+ * This saves a temporary CPU mask in many places. It is equivalent to:
+ * struct cpumask tmp;
+ * cpumask_or(&tmp, &mask1, &mask2);
+ * for_each_cpu(cpu, &tmp)
+ * ...
+ *
+ * After the loop, cpu is >= nr_cpu_ids.
+ */
+#define for_each_cpu_or(cpu, mask1, mask2) \
+ for_each_or_bit(cpu, cpumask_bits(mask1), cpumask_bits(mask2), small_cpumask_bits)
+
+/**
* cpumask_any_but - return a "random" in a cpumask, but not this one.
* @mask: the cpumask to search
* @cpu: the cpu to ignore.
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 04a733f0ba95..7aa62c92185f 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -693,6 +693,7 @@ efi_guid_to_str(efi_guid_t *guid, char *out)
}
extern void efi_init (void);
+extern void efi_earlycon_reprobe(void);
#ifdef CONFIG_EFI
extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */
#else
diff --git a/include/linux/fb.h b/include/linux/fb.h
index d8d20514ea05..02d09cb57f6c 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -212,6 +212,7 @@ struct fb_deferred_io {
/* delay between mkwrite and deferred handler */
unsigned long delay;
bool sort_pagereflist; /* sort pagelist by offset */
+ int open_count; /* number of opened files; protected by fb_info lock */
struct mutex lock; /* mutex that protects the pageref list */
struct list_head pagereflist; /* list of pagerefs for touched pages */
/* callback */
diff --git a/include/linux/find.h b/include/linux/find.h
index 4647864a5ffd..5e4f39ef2e72 100644
--- a/include/linux/find.h
+++ b/include/linux/find.h
@@ -14,6 +14,8 @@ unsigned long _find_next_and_bit(const unsigned long *addr1, const unsigned long
unsigned long nbits, unsigned long start);
unsigned long _find_next_andnot_bit(const unsigned long *addr1, const unsigned long *addr2,
unsigned long nbits, unsigned long start);
+unsigned long _find_next_or_bit(const unsigned long *addr1, const unsigned long *addr2,
+ unsigned long nbits, unsigned long start);
unsigned long _find_next_zero_bit(const unsigned long *addr, unsigned long nbits,
unsigned long start);
extern unsigned long _find_first_bit(const unsigned long *addr, unsigned long size);
@@ -127,6 +129,36 @@ unsigned long find_next_andnot_bit(const unsigned long *addr1,
}
#endif
+#ifndef find_next_or_bit
+/**
+ * find_next_or_bit - find the next set bit in either memory regions
+ * @addr1: The first address to base the search on
+ * @addr2: The second address to base the search on
+ * @size: The bitmap size in bits
+ * @offset: The bitnumber to start searching at
+ *
+ * Returns the bit number for the next set bit
+ * If no bits are set, returns @size.
+ */
+static inline
+unsigned long find_next_or_bit(const unsigned long *addr1,
+ const unsigned long *addr2, unsigned long size,
+ unsigned long offset)
+{
+ if (small_const_nbits(size)) {
+ unsigned long val;
+
+ if (unlikely(offset >= size))
+ return size;
+
+ val = (*addr1 | *addr2) & GENMASK(size - 1, offset);
+ return val ? __ffs(val) : size;
+ }
+
+ return _find_next_or_bit(addr1, addr2, size, offset);
+}
+#endif
+
#ifndef find_next_zero_bit
/**
* find_next_zero_bit - find the next cleared bit in a memory region
@@ -536,6 +568,11 @@ unsigned long find_next_bit_le(const void *addr, unsigned
(bit) = find_next_andnot_bit((addr1), (addr2), (size), (bit)), (bit) < (size);\
(bit)++)
+#define for_each_or_bit(bit, addr1, addr2, size) \
+ for ((bit) = 0; \
+ (bit) = find_next_or_bit((addr1), (addr2), (size), (bit)), (bit) < (size);\
+ (bit)++)
+
/* same as for_each_set_bit() but use bit as value to start with */
#define for_each_set_bit_from(bit, addr, size) \
for (; (bit) = find_next_bit((addr), (size), (bit)), (bit) < (size); (bit)++)
diff --git a/include/linux/interconnect-provider.h b/include/linux/interconnect-provider.h
index cd5c5a27557f..d12cd18aab3f 100644
--- a/include/linux/interconnect-provider.h
+++ b/include/linux/interconnect-provider.h
@@ -122,6 +122,9 @@ int icc_link_destroy(struct icc_node *src, struct icc_node *dst);
void icc_node_add(struct icc_node *node, struct icc_provider *provider);
void icc_node_del(struct icc_node *node);
int icc_nodes_remove(struct icc_provider *provider);
+void icc_provider_init(struct icc_provider *provider);
+int icc_provider_register(struct icc_provider *provider);
+void icc_provider_deregister(struct icc_provider *provider);
int icc_provider_add(struct icc_provider *provider);
void icc_provider_del(struct icc_provider *provider);
struct icc_node_data *of_icc_get_from_provider(struct of_phandle_args *spec);
@@ -167,6 +170,15 @@ static inline int icc_nodes_remove(struct icc_provider *provider)
return -ENOTSUPP;
}
+static inline void icc_provider_init(struct icc_provider *provider) { }
+
+static inline int icc_provider_register(struct icc_provider *provider)
+{
+ return -ENOTSUPP;
+}
+
+static inline void icc_provider_deregister(struct icc_provider *provider) { }
+
static inline int icc_provider_add(struct icc_provider *provider)
{
return -ENOTSUPP;
diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h
index 934e5dd4ccc0..35b9328ca335 100644
--- a/include/linux/io_uring.h
+++ b/include/linux/io_uring.h
@@ -27,7 +27,7 @@ struct io_uring_cmd {
const void *cmd;
union {
/* callback to defer completions to task context */
- void (*task_work_cb)(struct io_uring_cmd *cmd);
+ void (*task_work_cb)(struct io_uring_cmd *cmd, unsigned);
/* used for polled completion */
void *cookie;
};
@@ -39,9 +39,10 @@ struct io_uring_cmd {
#if defined(CONFIG_IO_URING)
int io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw,
struct iov_iter *iter, void *ioucmd);
-void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret, ssize_t res2);
+void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret, ssize_t res2,
+ unsigned issue_flags);
void io_uring_cmd_complete_in_task(struct io_uring_cmd *ioucmd,
- void (*task_work_cb)(struct io_uring_cmd *));
+ void (*task_work_cb)(struct io_uring_cmd *, unsigned));
struct sock *io_uring_get_socket(struct file *file);
void __io_uring_cancel(bool cancel_all);
void __io_uring_free(struct task_struct *tsk);
@@ -72,11 +73,11 @@ static inline int io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw,
return -EOPNOTSUPP;
}
static inline void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret,
- ssize_t ret2)
+ ssize_t ret2, unsigned issue_flags)
{
}
static inline void io_uring_cmd_complete_in_task(struct io_uring_cmd *ioucmd,
- void (*task_work_cb)(struct io_uring_cmd *))
+ void (*task_work_cb)(struct io_uring_cmd *, unsigned))
{
}
static inline struct sock *io_uring_get_socket(struct file *file)
diff --git a/include/linux/lockd/xdr4.h b/include/linux/lockd/xdr4.h
index 9a6b55da8fd6..72831e35dca3 100644
--- a/include/linux/lockd/xdr4.h
+++ b/include/linux/lockd/xdr4.h
@@ -22,6 +22,7 @@
#define nlm4_fbig cpu_to_be32(NLM_FBIG)
#define nlm4_failed cpu_to_be32(NLM_FAILED)
+void nlm4svc_set_file_lock_range(struct file_lock *fl, u64 off, u64 len);
bool nlm4svc_decode_void(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nlm4svc_decode_testargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nlm4svc_decode_lockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 6a14b7b11766..470085b121d3 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -297,9 +297,11 @@ struct hh_cache {
* relationship HH alignment <= LL alignment.
*/
#define LL_RESERVED_SPACE(dev) \
- ((((dev)->hard_header_len+(dev)->needed_headroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+ ((((dev)->hard_header_len + READ_ONCE((dev)->needed_headroom)) \
+ & ~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
#define LL_RESERVED_SPACE_EXTRA(dev,extra) \
- ((((dev)->hard_header_len+(dev)->needed_headroom+(extra))&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+ ((((dev)->hard_header_len + READ_ONCE((dev)->needed_headroom) + (extra)) \
+ & ~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
struct header_ops {
int (*create) (struct sk_buff *skb, struct net_device *dev,
diff --git a/include/linux/nvme-tcp.h b/include/linux/nvme-tcp.h
index 75470159a194..57ebe1267f7f 100644
--- a/include/linux/nvme-tcp.h
+++ b/include/linux/nvme-tcp.h
@@ -115,8 +115,9 @@ struct nvme_tcp_icresp_pdu {
struct nvme_tcp_term_pdu {
struct nvme_tcp_hdr hdr;
__le16 fes;
- __le32 fei;
- __u8 rsvd[8];
+ __le16 feil;
+ __le16 feiu;
+ __u8 rsvd[10];
};
/**
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 4fad4aa245fb..779507ac750b 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -812,6 +812,7 @@ enum nvme_opcode {
nvme_opcode_name(nvme_cmd_compare), \
nvme_opcode_name(nvme_cmd_write_zeroes), \
nvme_opcode_name(nvme_cmd_dsm), \
+ nvme_opcode_name(nvme_cmd_verify), \
nvme_opcode_name(nvme_cmd_resv_register), \
nvme_opcode_name(nvme_cmd_resv_report), \
nvme_opcode_name(nvme_cmd_resv_acquire), \
@@ -1144,10 +1145,14 @@ enum nvme_admin_opcode {
nvme_admin_opcode_name(nvme_admin_ns_mgmt), \
nvme_admin_opcode_name(nvme_admin_activate_fw), \
nvme_admin_opcode_name(nvme_admin_download_fw), \
+ nvme_admin_opcode_name(nvme_admin_dev_self_test), \
nvme_admin_opcode_name(nvme_admin_ns_attach), \
nvme_admin_opcode_name(nvme_admin_keep_alive), \
nvme_admin_opcode_name(nvme_admin_directive_send), \
nvme_admin_opcode_name(nvme_admin_directive_recv), \
+ nvme_admin_opcode_name(nvme_admin_virtual_mgmt), \
+ nvme_admin_opcode_name(nvme_admin_nvme_mi_send), \
+ nvme_admin_opcode_name(nvme_admin_nvme_mi_recv), \
nvme_admin_opcode_name(nvme_admin_dbbuf), \
nvme_admin_opcode_name(nvme_admin_format_nvm), \
nvme_admin_opcode_name(nvme_admin_security_send), \
diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
index da633d34ab86..8a52ef2e6fa6 100644
--- a/include/linux/of_mdio.h
+++ b/include/linux/of_mdio.h
@@ -14,9 +14,25 @@
#if IS_ENABLED(CONFIG_OF_MDIO)
bool of_mdiobus_child_is_phy(struct device_node *child);
-int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np);
-int devm_of_mdiobus_register(struct device *dev, struct mii_bus *mdio,
- struct device_node *np);
+int __of_mdiobus_register(struct mii_bus *mdio, struct device_node *np,
+ struct module *owner);
+
+static inline int of_mdiobus_register(struct mii_bus *mdio,
+ struct device_node *np)
+{
+ return __of_mdiobus_register(mdio, np, THIS_MODULE);
+}
+
+int __devm_of_mdiobus_register(struct device *dev, struct mii_bus *mdio,
+ struct device_node *np, struct module *owner);
+
+static inline int devm_of_mdiobus_register(struct device *dev,
+ struct mii_bus *mdio,
+ struct device_node *np)
+{
+ return __devm_of_mdiobus_register(dev, mdio, np, THIS_MODULE);
+}
+
struct mdio_device *of_mdio_find_device(struct device_node *np);
struct phy_device *of_phy_find_device(struct device_node *phy_np);
struct phy_device *
diff --git a/include/linux/pci.h b/include/linux/pci.h
index fafd8020c6d7..b50e5c79f7e3 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1438,6 +1438,7 @@ void pci_bus_add_resource(struct pci_bus *bus, struct resource *res,
unsigned int flags);
struct resource *pci_bus_resource_n(const struct pci_bus *bus, int n);
void pci_bus_remove_resources(struct pci_bus *bus);
+void pci_bus_remove_resource(struct pci_bus *bus, struct resource *res);
int devm_request_pci_bus_resources(struct device *dev,
struct list_head *resources);
diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h
index 521a733e21a9..75b73c83bc9d 100644
--- a/include/linux/percpu_counter.h
+++ b/include/linux/percpu_counter.h
@@ -45,7 +45,6 @@ void percpu_counter_set(struct percpu_counter *fbc, s64 amount);
void percpu_counter_add_batch(struct percpu_counter *fbc, s64 amount,
s32 batch);
s64 __percpu_counter_sum(struct percpu_counter *fbc);
-s64 percpu_counter_sum_all(struct percpu_counter *fbc);
int __percpu_counter_compare(struct percpu_counter *fbc, s64 rhs, s32 batch);
void percpu_counter_sync(struct percpu_counter *fbc);
@@ -196,11 +195,6 @@ static inline s64 percpu_counter_sum(struct percpu_counter *fbc)
return percpu_counter_read(fbc);
}
-static inline s64 percpu_counter_sum_all(struct percpu_counter *fbc)
-{
- return percpu_counter_read(fbc);
-}
-
static inline bool percpu_counter_initialized(struct percpu_counter *fbc)
{
return true;
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index a152678b82b7..a2414c187483 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -215,7 +215,7 @@ struct plat_stmmacenet_data {
int unicast_filter_entries;
int tx_fifo_size;
int rx_fifo_size;
- u32 addr64;
+ u32 host_dma_width;
u32 rx_queues_to_use;
u32 tx_queues_to_use;
u8 rx_sched_algorithm;
diff --git a/include/linux/sysfb.h b/include/linux/sysfb.h
index 8ba8b5be5567..c1ef5fc60a3c 100644
--- a/include/linux/sysfb.h
+++ b/include/linux/sysfb.h
@@ -70,11 +70,16 @@ static inline void sysfb_disable(void)
#ifdef CONFIG_EFI
extern struct efifb_dmi_info efifb_dmi_list[];
-void sysfb_apply_efi_quirks(struct platform_device *pd);
+void sysfb_apply_efi_quirks(void);
+void sysfb_set_efifb_fwnode(struct platform_device *pd);
#else /* CONFIG_EFI */
-static inline void sysfb_apply_efi_quirks(struct platform_device *pd)
+static inline void sysfb_apply_efi_quirks(void)
+{
+}
+
+static inline void sysfb_set_efifb_fwnode(struct platform_device *pd)
{
}
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 2bb4bf33f4f3..13c6aaed18df 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -384,6 +384,7 @@ devm_thermal_of_cooling_device_register(struct device *dev,
struct device_node *np,
char *type, void *devdata,
const struct thermal_cooling_device_ops *ops);
+void thermal_cooling_device_update(struct thermal_cooling_device *);
void thermal_cooling_device_unregister(struct thermal_cooling_device *);
struct thermal_zone_device *thermal_zone_get_zone_by_name(const char *name);
int thermal_zone_get_temp(struct thermal_zone_device *tz, int *temp);
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index e299f29375bb..6811e43c1b5c 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -242,12 +242,11 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p)
* not add unwanted padding between the beginning of the section and the
* structure. Force alignment to the same alignment as the section start.
*
- * When lockdep is enabled, we make sure to always do the RCU portions of
- * the tracepoint code, regardless of whether tracing is on. However,
- * don't check if the condition is false, due to interaction with idle
- * instrumentation. This lets us find RCU issues triggered with tracepoints
- * even when this tracepoint is off. This code has no purpose other than
- * poking RCU a bit.
+ * When lockdep is enabled, we make sure to always test if RCU is
+ * "watching" regardless if the tracepoint is enabled or not. Tracepoints
+ * require RCU to be active, and it should always warn at the tracepoint
+ * site if it is not watching, as it will need to be active when the
+ * tracepoint is enabled.
*/
#define __DECLARE_TRACE(name, proto, args, cond, data_proto) \
extern int __traceiter_##name(data_proto); \
@@ -260,9 +259,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p)
TP_ARGS(args), \
TP_CONDITION(cond), 0); \
if (IS_ENABLED(CONFIG_LOCKDEP) && (cond)) { \
- rcu_read_lock_sched_notrace(); \
- rcu_dereference_sched(__tracepoint_##name.funcs);\
- rcu_read_unlock_sched_notrace(); \
+ WARN_ON_ONCE(!rcu_is_watching()); \
} \
} \
__DECLARE_TRACE_RCU(name, PARAMS(proto), PARAMS(args), \