summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/drm/drm_modeset_helper_vtables.h4
-rw-r--r--include/dt-bindings/clock/sifive-fu540-prci.h18
-rw-r--r--include/linux/bio.h20
-rw-r--r--include/linux/blk-mq.h1
-rw-r--r--include/linux/bvec.h14
-rw-r--r--include/linux/kernel.h4
-rw-r--r--include/linux/kvm_host.h10
-rw-r--r--include/linux/mm.h15
-rw-r--r--include/linux/nvme.h9
-rw-r--r--include/linux/pipe_fs_i.h10
-rw-r--r--include/linux/platform_data/x86/clk-pmc-atom.h3
-rw-r--r--include/linux/sunrpc/sched.h8
-rw-r--r--include/linux/virtio_ring.h2
-rw-r--r--include/sound/soc.h11
-rw-r--r--include/uapi/sound/asound.h1
15 files changed, 94 insertions, 36 deletions
diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
index cfb7be40bed7..ce4de6b1e444 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -418,6 +418,8 @@ struct drm_crtc_helper_funcs {
* Drivers can use the @old_crtc_state input parameter if the operations
* needed to enable the CRTC don't depend solely on the new state but
* also on the transition between the old state and the new state.
+ *
+ * This function is optional.
*/
void (*atomic_enable)(struct drm_crtc *crtc,
struct drm_crtc_state *old_crtc_state);
@@ -441,6 +443,8 @@ struct drm_crtc_helper_funcs {
* parameter @old_crtc_state which could be used to access the old
* state. Atomic drivers should consider to use this one instead
* of @disable.
+ *
+ * This function is optional.
*/
void (*atomic_disable)(struct drm_crtc *crtc,
struct drm_crtc_state *old_crtc_state);
diff --git a/include/dt-bindings/clock/sifive-fu540-prci.h b/include/dt-bindings/clock/sifive-fu540-prci.h
new file mode 100644
index 000000000000..6a0b70a37d78
--- /dev/null
+++ b/include/dt-bindings/clock/sifive-fu540-prci.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2018-2019 SiFive, Inc.
+ * Wesley Terpstra
+ * Paul Walmsley
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_SIFIVE_FU540_PRCI_H
+#define __DT_BINDINGS_CLOCK_SIFIVE_FU540_PRCI_H
+
+/* Clock indexes for use by Device Tree data and the PRCI driver */
+
+#define PRCI_CLK_COREPLL 0
+#define PRCI_CLK_DDRPLL 1
+#define PRCI_CLK_GEMGXLPLL 2
+#define PRCI_CLK_TLCLK 3
+
+#endif
diff --git a/include/linux/bio.h b/include/linux/bio.h
index bb6090aa165d..e584673c1881 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -120,19 +120,23 @@ static inline bool bio_full(struct bio *bio)
return bio->bi_vcnt >= bio->bi_max_vecs;
}
-#define mp_bvec_for_each_segment(bv, bvl, i, iter_all) \
- for (bv = bvec_init_iter_all(&iter_all); \
- (iter_all.done < (bvl)->bv_len) && \
- (mp_bvec_next_segment((bvl), &iter_all), 1); \
- iter_all.done += bv->bv_len, i += 1)
+static inline bool bio_next_segment(const struct bio *bio,
+ struct bvec_iter_all *iter)
+{
+ if (iter->idx >= bio->bi_vcnt)
+ return false;
+
+ bvec_advance(&bio->bi_io_vec[iter->idx], iter);
+ return true;
+}
/*
* drivers should _never_ use the all version - the bio may have been split
* before it got to the driver and the driver won't own all of it
*/
-#define bio_for_each_segment_all(bvl, bio, i, iter_all) \
- for (i = 0, iter_all.idx = 0; iter_all.idx < (bio)->bi_vcnt; iter_all.idx++) \
- mp_bvec_for_each_segment(bvl, &((bio)->bi_io_vec[iter_all.idx]), i, iter_all)
+#define bio_for_each_segment_all(bvl, bio, i, iter) \
+ for (i = 0, bvl = bvec_init_iter_all(&iter); \
+ bio_next_segment((bio), &iter); i++)
static inline void bio_advance_iter(struct bio *bio, struct bvec_iter *iter,
unsigned bytes)
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index cb2aa7ecafff..db29928de467 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -302,6 +302,7 @@ void blk_mq_requeue_request(struct request *rq, bool kick_requeue_list);
void blk_mq_kick_requeue_list(struct request_queue *q);
void blk_mq_delay_kick_requeue_list(struct request_queue *q, unsigned long msecs);
bool blk_mq_complete_request(struct request *rq);
+void blk_mq_complete_request_sync(struct request *rq);
bool blk_mq_bio_list_merge(struct request_queue *q, struct list_head *list,
struct bio *bio);
bool blk_mq_queue_stopped(struct request_queue *q);
diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index f6275c4da13a..3bc91879e1e2 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -145,18 +145,18 @@ static inline bool bvec_iter_advance(const struct bio_vec *bv,
static inline struct bio_vec *bvec_init_iter_all(struct bvec_iter_all *iter_all)
{
- iter_all->bv.bv_page = NULL;
iter_all->done = 0;
+ iter_all->idx = 0;
return &iter_all->bv;
}
-static inline void mp_bvec_next_segment(const struct bio_vec *bvec,
- struct bvec_iter_all *iter_all)
+static inline void bvec_advance(const struct bio_vec *bvec,
+ struct bvec_iter_all *iter_all)
{
struct bio_vec *bv = &iter_all->bv;
- if (bv->bv_page) {
+ if (iter_all->done) {
bv->bv_page = nth_page(bv->bv_page, 1);
bv->bv_offset = 0;
} else {
@@ -165,6 +165,12 @@ static inline void mp_bvec_next_segment(const struct bio_vec *bvec,
}
bv->bv_len = min_t(unsigned int, PAGE_SIZE - bv->bv_offset,
bvec->bv_len - iter_all->done);
+ iter_all->done += bv->bv_len;
+
+ if (iter_all->done == bvec->bv_len) {
+ iter_all->idx++;
+ iter_all->done = 0;
+ }
}
/*
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 34a5036debd3..2d14e21c16c0 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -47,8 +47,8 @@
#define u64_to_user_ptr(x) ( \
{ \
- typecheck(u64, x); \
- (void __user *)(uintptr_t)x; \
+ typecheck(u64, (x)); \
+ (void __user *)(uintptr_t)(x); \
} \
)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 9d55c63db09b..640a03642766 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -28,6 +28,7 @@
#include <linux/irqbypass.h>
#include <linux/swait.h>
#include <linux/refcount.h>
+#include <linux/nospec.h>
#include <asm/signal.h>
#include <linux/kvm.h>
@@ -513,10 +514,10 @@ static inline struct kvm_io_bus *kvm_get_bus(struct kvm *kvm, enum kvm_bus idx)
static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i)
{
- /* Pairs with smp_wmb() in kvm_vm_ioctl_create_vcpu, in case
- * the caller has read kvm->online_vcpus before (as is the case
- * for kvm_for_each_vcpu, for example).
- */
+ int num_vcpus = atomic_read(&kvm->online_vcpus);
+ i = array_index_nospec(i, num_vcpus);
+
+ /* Pairs with smp_wmb() in kvm_vm_ioctl_create_vcpu. */
smp_rmb();
return kvm->vcpus[i];
}
@@ -600,6 +601,7 @@ void kvm_put_kvm(struct kvm *kvm);
static inline struct kvm_memslots *__kvm_memslots(struct kvm *kvm, int as_id)
{
+ as_id = array_index_nospec(as_id, KVM_ADDRESS_SPACE_NUM);
return srcu_dereference_check(kvm->memslots[as_id], &kvm->srcu,
lockdep_is_held(&kvm->slots_lock) ||
!refcount_read(&kvm->users_count));
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 76769749b5a5..6b10c21630f5 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -966,6 +966,10 @@ static inline bool is_pci_p2pdma_page(const struct page *page)
}
#endif /* CONFIG_DEV_PAGEMAP_OPS */
+/* 127: arbitrary random number, small enough to assemble well */
+#define page_ref_zero_or_close_to_overflow(page) \
+ ((unsigned int) page_ref_count(page) + 127u <= 127u)
+
static inline void get_page(struct page *page)
{
page = compound_head(page);
@@ -973,8 +977,17 @@ static inline void get_page(struct page *page)
* Getting a normal page or the head of a compound page
* requires to already have an elevated page->_refcount.
*/
- VM_BUG_ON_PAGE(page_ref_count(page) <= 0, page);
+ VM_BUG_ON_PAGE(page_ref_zero_or_close_to_overflow(page), page);
+ page_ref_inc(page);
+}
+
+static inline __must_check bool try_get_page(struct page *page)
+{
+ page = compound_head(page);
+ if (WARN_ON_ONCE(page_ref_count(page) <= 0))
+ return false;
page_ref_inc(page);
+ return true;
}
static inline void put_page(struct page *page)
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index baa49e6a23cc..c40720cb59ac 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -967,8 +967,13 @@ struct nvme_get_log_page_command {
__le16 numdl;
__le16 numdu;
__u16 rsvd11;
- __le32 lpol;
- __le32 lpou;
+ union {
+ struct {
+ __le32 lpol;
+ __le32 lpou;
+ };
+ __le64 lpo;
+ };
__u32 rsvd14[2];
};
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
index 787d224ff43e..abb2dac3da9b 100644
--- a/include/linux/pipe_fs_i.h
+++ b/include/linux/pipe_fs_i.h
@@ -101,18 +101,20 @@ struct pipe_buf_operations {
/*
* Get a reference to the pipe buffer.
*/
- void (*get)(struct pipe_inode_info *, struct pipe_buffer *);
+ bool (*get)(struct pipe_inode_info *, struct pipe_buffer *);
};
/**
* pipe_buf_get - get a reference to a pipe_buffer
* @pipe: the pipe that the buffer belongs to
* @buf: the buffer to get a reference to
+ *
+ * Return: %true if the reference was successfully obtained.
*/
-static inline void pipe_buf_get(struct pipe_inode_info *pipe,
+static inline __must_check bool pipe_buf_get(struct pipe_inode_info *pipe,
struct pipe_buffer *buf)
{
- buf->ops->get(pipe, buf);
+ return buf->ops->get(pipe, buf);
}
/**
@@ -171,7 +173,7 @@ struct pipe_inode_info *alloc_pipe_info(void);
void free_pipe_info(struct pipe_inode_info *);
/* Generic pipe buffer ops functions */
-void generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *);
+bool generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *);
int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *);
int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *);
void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *);
diff --git a/include/linux/platform_data/x86/clk-pmc-atom.h b/include/linux/platform_data/x86/clk-pmc-atom.h
index 3ab892208343..7a37ac27d0fb 100644
--- a/include/linux/platform_data/x86/clk-pmc-atom.h
+++ b/include/linux/platform_data/x86/clk-pmc-atom.h
@@ -35,10 +35,13 @@ struct pmc_clk {
*
* @base: PMC clock register base offset
* @clks: pointer to set of registered clocks, typically 0..5
+ * @critical: flag to indicate if firmware enabled pmc_plt_clks
+ * should be marked as critial or not
*/
struct pmc_clk_data {
void __iomem *base;
const struct pmc_clk *clks;
+ bool critical;
};
#endif /* __PLATFORM_DATA_X86_CLK_PMC_ATOM_H */
diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h
index ec861cd0cfe8..52d41d0c1ae1 100644
--- a/include/linux/sunrpc/sched.h
+++ b/include/linux/sunrpc/sched.h
@@ -304,12 +304,4 @@ rpc_clnt_swap_deactivate(struct rpc_clnt *clnt)
}
#endif /* CONFIG_SUNRPC_SWAP */
-static inline bool
-rpc_task_need_resched(const struct rpc_task *task)
-{
- if (RPC_IS_QUEUED(task) || task->tk_callback)
- return true;
- return false;
-}
-
#endif /* _LINUX_SUNRPC_SCHED_H_ */
diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h
index fab02133a919..3dc70adfe5f5 100644
--- a/include/linux/virtio_ring.h
+++ b/include/linux/virtio_ring.h
@@ -63,7 +63,7 @@ struct virtqueue;
/*
* Creates a virtqueue and allocates the descriptor ring. If
* may_reduce_num is set, then this may allocate a smaller ring than
- * expected. The caller should query virtqueue_get_ring_size to learn
+ * expected. The caller should query virtqueue_get_vring_size to learn
* the actual size of the ring.
*/
struct virtqueue *vring_create_virtqueue(unsigned int index,
diff --git a/include/sound/soc.h b/include/sound/soc.h
index eb7db605955b..482b4ea87c3c 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -802,8 +802,13 @@ struct snd_soc_component_driver {
int probe_order;
int remove_order;
- /* signal if the module handling the component cannot be removed */
- unsigned int ignore_module_refcount:1;
+ /*
+ * signal if the module handling the component should not be removed
+ * if a pcm is open. Setting this would prevent the module
+ * refcount being incremented in probe() but allow it be incremented
+ * when a pcm is opened and decremented when it is closed.
+ */
+ unsigned int module_get_upon_open:1;
/* bits */
unsigned int idle_bias_on:1;
@@ -1083,6 +1088,8 @@ struct snd_soc_card {
struct mutex mutex;
struct mutex dapm_mutex;
+ spinlock_t dpcm_lock;
+
bool instantiated;
bool topology_shortname_created;
diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h
index 404d4b9ffe76..df1153cea0b7 100644
--- a/include/uapi/sound/asound.h
+++ b/include/uapi/sound/asound.h
@@ -32,6 +32,7 @@
#ifndef __KERNEL__
#include <stdlib.h>
+#include <time.h>
#endif
/*
generated by cgit (git 2.34.1) at 2024-05-24 01:41:50 +0000