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-rw-r--r--include/keys/request_key_auth-type.h2
-rw-r--r--include/linux/dma-fence.h6
-rw-r--r--include/linux/entry-common.h9
-rw-r--r--include/linux/mmap_lock.h2
-rw-r--r--include/linux/perf/riscv_pmu.h2
-rw-r--r--include/linux/rbtree_augmented.h35
-rw-r--r--include/linux/ring_buffer.h19
-rw-r--r--include/media/v4l2-hevc.h41
-rw-r--r--include/rdma/uverbs_types.h2
-rw-r--r--include/sound/soc.h3
-rw-r--r--include/sound/soc_sdw_utils.h2
-rw-r--r--include/trace/events/dma.h2
-rw-r--r--include/trace/events/timer.h2
-rw-r--r--include/uapi/rdma/bnxt_re-abi.h2
14 files changed, 109 insertions, 20 deletions
diff --git a/include/keys/request_key_auth-type.h b/include/keys/request_key_auth-type.h
index 01e42ee5f409..464636278c4f 100644
--- a/include/keys/request_key_auth-type.h
+++ b/include/keys/request_key_auth-type.h
@@ -22,7 +22,7 @@ struct request_key_auth {
const struct cred *cred;
void *callout_info;
size_t callout_len;
- pid_t pid;
+ struct pid *pid;
char op[8];
} __randomize_layout;
diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h
index 158cd609f103..ffa99b930843 100644
--- a/include/linux/dma-fence.h
+++ b/include/linux/dma-fence.h
@@ -141,6 +141,9 @@ struct dma_fence_ops {
* compute the name at runtime, without having it to store permanently
* for each fence, or build a cache of some sort.
*
+ * The returned string is RCU protected and can be freed after the fence
+ * signaled and a RCU grace period passed.
+ *
* This callback is mandatory.
*/
const char * (*get_driver_name)(struct dma_fence *fence);
@@ -153,6 +156,9 @@ struct dma_fence_ops {
* having it to store permanently for each fence, or build a cache of
* some sort.
*
+ * The returned string is RCU protected and can be freed after the fence
+ * signaled and a RCU grace period passed.
+ *
* This callback is mandatory.
*/
const char * (*get_timeline_name)(struct dma_fence *fence);
diff --git a/include/linux/entry-common.h b/include/linux/entry-common.h
index 6574b7183c01..fa2854fed1f2 100644
--- a/include/linux/entry-common.h
+++ b/include/linux/entry-common.h
@@ -102,7 +102,14 @@ static __always_inline long syscall_trace_enter(struct pt_regs *regs, unsigned l
if (unlikely(work & SYSCALL_WORK_SYSCALL_TRACEPOINT))
trace_syscall_enter(regs);
- if (unlikely(audit_context()))
+ /*
+ * The config check works around broken compilers which fail to
+ * eliminate the dead code in case of CONFIG_AUDITSYSCALL=n as they
+ * insist on creating a always false runtime condition based on
+ * audit_context() which returns NULL in that case. The explicit
+ * IS_ENABLED() check makes that madness go away.
+ */
+ if (IS_ENABLED(CONFIG_AUDITSYSCALL) && unlikely(audit_context()))
syscall_enter_audit(regs);
return true;
diff --git a/include/linux/mmap_lock.h b/include/linux/mmap_lock.h
index bec0eab6ef03..b8a13b8d36a4 100644
--- a/include/linux/mmap_lock.h
+++ b/include/linux/mmap_lock.h
@@ -630,6 +630,8 @@ static inline void mmap_read_unlock(struct mm_struct *mm)
DEFINE_GUARD(mmap_read_lock, struct mm_struct *,
mmap_read_lock(_T), mmap_read_unlock(_T))
DEFINE_GUARD_COND(mmap_read_lock, _try, mmap_read_trylock(_T))
+DEFINE_GUARD(mmap_write_lock, struct mm_struct *,
+ mmap_write_lock(_T), mmap_write_unlock(_T))
static inline void mmap_read_unlock_non_owner(struct mm_struct *mm)
{
diff --git a/include/linux/perf/riscv_pmu.h b/include/linux/perf/riscv_pmu.h
index f82a28040594..ecaa40370830 100644
--- a/include/linux/perf/riscv_pmu.h
+++ b/include/linux/perf/riscv_pmu.h
@@ -55,7 +55,7 @@ struct riscv_pmu {
irqreturn_t (*handle_irq)(int irq_num, void *dev);
- unsigned long cmask;
+ DECLARE_BITMAP(cmask, RISCV_MAX_COUNTERS);
u64 (*ctr_read)(struct perf_event *event);
int (*ctr_get_idx)(struct perf_event *event);
int (*ctr_get_width)(int idx);
diff --git a/include/linux/rbtree_augmented.h b/include/linux/rbtree_augmented.h
index 6dbc5a1bf6a8..d2fa1c41bfd2 100644
--- a/include/linux/rbtree_augmented.h
+++ b/include/linux/rbtree_augmented.h
@@ -87,18 +87,18 @@ rb_add_augmented_cached(struct rb_node *node, struct rb_root_cached *tree,
}
/*
- * Template for declaring augmented rbtree callbacks (generic case)
+ * Template for declaring augmented rbtree callbacks (generic multi fields)
*
* RBSTATIC: 'static' or empty
* RBNAME: name of the rb_augment_callbacks structure
* RBSTRUCT: struct type of the tree nodes
* RBFIELD: name of struct rb_node field within RBSTRUCT
- * RBAUGMENTED: name of field within RBSTRUCT holding data for subtree
- * RBCOMPUTE: name of function that recomputes the RBAUGMENTED data
+ * RBCOPY: name of function that copies the RBAUGMENTED datas
+ * RBCOMPUTE: name of function that recomputes the RBAUGMENTED datas
*/
-#define RB_DECLARE_CALLBACKS(RBSTATIC, RBNAME, \
- RBSTRUCT, RBFIELD, RBAUGMENTED, RBCOMPUTE) \
+#define RB_DECLARE_CALLBACKS_MULTI(RBSTATIC, RBNAME, \
+ RBSTRUCT, RBFIELD, RBCOPY, RBCOMPUTE) \
static inline void \
RBNAME ## _propagate(struct rb_node *rb, struct rb_node *stop) \
{ \
@@ -114,14 +114,14 @@ RBNAME ## _copy(struct rb_node *rb_old, struct rb_node *rb_new) \
{ \
RBSTRUCT *old = rb_entry(rb_old, RBSTRUCT, RBFIELD); \
RBSTRUCT *new = rb_entry(rb_new, RBSTRUCT, RBFIELD); \
- new->RBAUGMENTED = old->RBAUGMENTED; \
+ RBCOPY(new, old); \
} \
static void \
RBNAME ## _rotate(struct rb_node *rb_old, struct rb_node *rb_new) \
{ \
RBSTRUCT *old = rb_entry(rb_old, RBSTRUCT, RBFIELD); \
RBSTRUCT *new = rb_entry(rb_new, RBSTRUCT, RBFIELD); \
- new->RBAUGMENTED = old->RBAUGMENTED; \
+ RBCOPY(new, old); \
RBCOMPUTE(old, false); \
} \
RBSTATIC const struct rb_augment_callbacks RBNAME = { \
@@ -131,6 +131,27 @@ RBSTATIC const struct rb_augment_callbacks RBNAME = { \
};
/*
+ * Template for declaring augmented rbtree callbacks (generic single field)
+ *
+ * RBSTATIC: 'static' or empty
+ * RBNAME: name of the rb_augment_callbacks structure
+ * RBSTRUCT: struct type of the tree nodes
+ * RBFIELD: name of struct rb_node field within RBSTRUCT
+ * RBAUGMENTED: name of field within RBSTRUCT holding data for subtree
+ * RBCOMPUTE: name of function that recomputes the RBAUGMENTED data
+ */
+
+#define RB_DECLARE_CALLBACKS(RBSTATIC, RBNAME, \
+ RBSTRUCT, RBFIELD, RBAUGMENTED, RBCOMPUTE) \
+static inline void \
+RBNAME ## _copy_single(RBSTRUCT *new, RBSTRUCT *old) \
+{ \
+ new->RBAUGMENTED = old->RBAUGMENTED; \
+} \
+RB_DECLARE_CALLBACKS_MULTI(RBSTATIC, RBNAME, \
+ RBSTRUCT, RBFIELD, RBNAME ## _copy_single, RBCOMPUTE)
+
+/*
* Template for declaring augmented rbtree callbacks,
* computing RBAUGMENTED scalar as max(RBCOMPUTE(node)) for all subtree nodes.
*
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h
index afc7daa6ee7d..eac3e9080c3c 100644
--- a/include/linux/ring_buffer.h
+++ b/include/linux/ring_buffer.h
@@ -3,8 +3,9 @@
#define _LINUX_RING_BUFFER_H
#include <linux/mm.h>
-#include <linux/seq_file.h>
#include <linux/poll.h>
+#include <linux/ring_buffer_types.h>
+#include <linux/seq_file.h>
#include <uapi/linux/trace_mmap.h>
@@ -279,11 +280,25 @@ static inline struct ring_buffer_desc *__first_ring_buffer_desc(struct trace_buf
return (struct ring_buffer_desc *)(&desc->__data[0]);
}
+/*
+ * Returns the number of pages for a ring_buffer_desc. The caller must ensure it
+ * does not overflow ring_buffer_desc::nr_page_va.
+ */
+static inline unsigned long __calc_nr_pages_ring_buffer_desc(size_t size)
+{
+ /* Takes into account the reader page */
+ return max(DIV_ROUND_UP(size, PAGE_SIZE - BUF_PAGE_HDR_SIZE), 2UL) + 1;
+}
+
static inline size_t trace_buffer_desc_size(size_t buffer_size, unsigned int nr_cpus)
{
- unsigned int nr_pages = max(DIV_ROUND_UP(buffer_size, PAGE_SIZE), 2UL) + 1;
+ unsigned long nr_pages = __calc_nr_pages_ring_buffer_desc(buffer_size);
struct ring_buffer_desc *rbdesc;
+ /* Capped by ring_buffer_desc::nr_page_va */
+ if (nr_pages > UINT_MAX)
+ return SIZE_MAX;
+
return size_add(offsetof(struct trace_buffer_desc, __data),
size_mul(nr_cpus, struct_size(rbdesc, page_va, nr_pages)));
}
diff --git a/include/media/v4l2-hevc.h b/include/media/v4l2-hevc.h
new file mode 100644
index 000000000000..973c96be16be
--- /dev/null
+++ b/include/media/v4l2-hevc.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Helper functions for HEVC stateless codecs.
+ */
+
+#ifndef _MEDIA_V4L2_HEVC_H
+#define _MEDIA_V4L2_HEVC_H
+
+#include <linux/minmax.h>
+#include <media/v4l2-ctrls.h>
+
+/**
+ * v4l2_hevc_pps_num_tile_columns - number of HEVC tile columns, bounded
+ * @pps: the V4L2 HEVC PPS control
+ *
+ * Return the number of tile columns (num_tile_columns_minus1 + 1) clamped to
+ * the capacity of column_width_minus1[]. The control validation already
+ * rejects out-of-range counts; this keeps the consuming drivers bounded too.
+ */
+static inline unsigned int
+v4l2_hevc_pps_num_tile_columns(const struct v4l2_ctrl_hevc_pps *pps)
+{
+ return min_t(unsigned int, pps->num_tile_columns_minus1 + 1,
+ ARRAY_SIZE(pps->column_width_minus1));
+}
+
+/**
+ * v4l2_hevc_pps_num_tile_rows - number of HEVC tile rows, bounded
+ * @pps: the V4L2 HEVC PPS control
+ *
+ * Return the number of tile rows (num_tile_rows_minus1 + 1) clamped to the
+ * capacity of row_height_minus1[].
+ */
+static inline unsigned int
+v4l2_hevc_pps_num_tile_rows(const struct v4l2_ctrl_hevc_pps *pps)
+{
+ return min_t(unsigned int, pps->num_tile_rows_minus1 + 1,
+ ARRAY_SIZE(pps->row_height_minus1));
+}
+
+#endif /* _MEDIA_V4L2_HEVC_H */
diff --git a/include/rdma/uverbs_types.h b/include/rdma/uverbs_types.h
index 5a07f9a6dcd1..6f3622892c0c 100644
--- a/include/rdma/uverbs_types.h
+++ b/include/rdma/uverbs_types.h
@@ -180,8 +180,6 @@ struct ib_uverbs_file {
struct page *disassociate_page;
struct xarray idr;
-
- struct mutex disassociation_lock;
};
extern const struct uverbs_obj_type_class uverbs_idr_class;
diff --git a/include/sound/soc.h b/include/sound/soc.h
index f46b2bc2a022..5afc34b147b5 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -699,7 +699,8 @@ struct snd_soc_dai_link_component {
struct snd_soc_dai_link_ch_map {
unsigned int cpu;
unsigned int codec;
- unsigned int ch_mask;
+ unsigned int cpu_ch_mask;
+ unsigned int codec_ch_mask;
};
struct snd_soc_dai_link {
diff --git a/include/sound/soc_sdw_utils.h b/include/sound/soc_sdw_utils.h
index 9b28e9aef4f1..9fbb69b9052d 100644
--- a/include/sound/soc_sdw_utils.h
+++ b/include/sound/soc_sdw_utils.h
@@ -250,8 +250,6 @@ int asoc_sdw_cs_amp_init(struct snd_soc_card *card,
struct snd_soc_dai_link *dai_links,
struct asoc_sdw_codec_info *info,
bool playback);
-int asoc_sdw_cs_spk_feedback_rtd_init(struct snd_soc_pcm_runtime *rtd,
- struct snd_soc_dai *dai);
int asoc_sdw_cs35l56_volume_limit(struct snd_soc_card *card, const char *name_prefix);
/* MAXIM codec support */
diff --git a/include/trace/events/dma.h b/include/trace/events/dma.h
index 9df02c1511de..b06d8f99922d 100644
--- a/include/trace/events/dma.h
+++ b/include/trace/events/dma.h
@@ -134,7 +134,7 @@ DECLARE_EVENT_CLASS(dma_alloc_class,
TP_fast_assign(
__assign_str(device);
__entry->virt_addr = virt_addr;
- __entry->dma_addr = dma_addr;
+ __entry->dma_addr = virt_addr ? dma_addr : 0;
__entry->size = size;
__entry->flags = flags;
__entry->dir = dir;
diff --git a/include/trace/events/timer.h b/include/trace/events/timer.h
index ca82fd62dc30..3aa0608c6361 100644
--- a/include/trace/events/timer.h
+++ b/include/trace/events/timer.h
@@ -302,7 +302,7 @@ DECLARE_EVENT_CLASS(hrtimer_class,
* hrtimer_start_expired - Invoked when a expired timer was started
* @hrtimer: pointer to struct hrtimer
*
- * Preceeded by a hrtimer_start tracepoint.
+ * Preceded by a hrtimer_start tracepoint.
*/
DEFINE_EVENT(hrtimer_class, hrtimer_start_expired,
diff --git a/include/uapi/rdma/bnxt_re-abi.h b/include/uapi/rdma/bnxt_re-abi.h
index 856a1b3036e9..15ed2a51f8f1 100644
--- a/include/uapi/rdma/bnxt_re-abi.h
+++ b/include/uapi/rdma/bnxt_re-abi.h
@@ -250,7 +250,7 @@ struct bnxt_re_query_device_ex_resp {
struct bnxt_re_db_region {
__u32 dpi;
__u32 reserved;
- __aligned_u64 umdbr;
+ __aligned_u64 reserved2;
};
enum bnxt_re_obj_dbr_alloc_attrs {
generated by cgit v1.2.3 (git 2.0.4) at 2026-09-19 18:21:40 +0000