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Commit c072481d authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
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io_uring: mark cold functions 

Attribute cold functions so compilers can optimise them for size. It
shrinks the binary by 2.5-3%

   text    data     bss     dec     hex filename
  90670   14002       8  104680   198e8 ./fs/io_uring.o
  88053   14002       8  102063   18eaf ./fs/io_uring.o
Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/b53d385f91dca45170b67d7f11c7abd787e821f6.1633373302.git.asml.silence@gmail.comSigned-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 37f0e767
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Showing with 64 additions and 59 deletions
fs/io_uring.c
View file @ c072481d
...@@ -1230,7 +1230,7 @@ static inline void req_fail_link_node(struct io_kiocb *req, int res) ...@@ -1230,7 +1230,7 @@ static inline void req_fail_link_node(struct io_kiocb *req, int res)
req->result = res; req->result = res;
} }
static void io_ring_ctx_ref_free(struct percpu_ref *ref) static __cold void io_ring_ctx_ref_free(struct percpu_ref *ref)
{ {
struct io_ring_ctx *ctx = container_of(ref, struct io_ring_ctx, refs); struct io_ring_ctx *ctx = container_of(ref, struct io_ring_ctx, refs);
...@@ -1242,7 +1242,7 @@ static inline bool io_is_timeout_noseq(struct io_kiocb *req) ...@@ -1242,7 +1242,7 @@ static inline bool io_is_timeout_noseq(struct io_kiocb *req)
return !req->timeout.off; return !req->timeout.off;
} }
static void io_fallback_req_func(struct work_struct *work) static __cold void io_fallback_req_func(struct work_struct *work)
{ {
struct io_ring_ctx *ctx = container_of(work, struct io_ring_ctx, struct io_ring_ctx *ctx = container_of(work, struct io_ring_ctx,
fallback_work.work); fallback_work.work);
...@@ -1262,7 +1262,7 @@ static void io_fallback_req_func(struct work_struct *work) ...@@ -1262,7 +1262,7 @@ static void io_fallback_req_func(struct work_struct *work)
} }
static struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p) static __cold struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p)
{ {
struct io_ring_ctx *ctx; struct io_ring_ctx *ctx;
int hash_bits; int hash_bits;
...@@ -1361,7 +1361,7 @@ static inline bool io_req_ffs_set(struct io_kiocb *req) ...@@ -1361,7 +1361,7 @@ static inline bool io_req_ffs_set(struct io_kiocb *req)
return IS_ENABLED(CONFIG_64BIT) && (req->flags & REQ_F_FIXED_FILE); return IS_ENABLED(CONFIG_64BIT) && (req->flags & REQ_F_FIXED_FILE);
} }
static void io_req_track_inflight(struct io_kiocb *req) static inline void io_req_track_inflight(struct io_kiocb *req)
{ {
if (!(req->flags & REQ_F_INFLIGHT)) { if (!(req->flags & REQ_F_INFLIGHT)) {
req->flags |= REQ_F_INFLIGHT; req->flags |= REQ_F_INFLIGHT;
...@@ -1500,7 +1500,7 @@ static void io_kill_timeout(struct io_kiocb *req, int status) ...@@ -1500,7 +1500,7 @@ static void io_kill_timeout(struct io_kiocb *req, int status)
} }
} }
static void io_queue_deferred(struct io_ring_ctx *ctx) static __cold void io_queue_deferred(struct io_ring_ctx *ctx)
{ {
while (!list_empty(&ctx->defer_list)) { while (!list_empty(&ctx->defer_list)) {
struct io_defer_entry *de = list_first_entry(&ctx->defer_list, struct io_defer_entry *de = list_first_entry(&ctx->defer_list,
...@@ -1514,7 +1514,7 @@ static void io_queue_deferred(struct io_ring_ctx *ctx) ...@@ -1514,7 +1514,7 @@ static void io_queue_deferred(struct io_ring_ctx *ctx)
} }
} }
static void io_flush_timeouts(struct io_ring_ctx *ctx) static __cold void io_flush_timeouts(struct io_ring_ctx *ctx)
__must_hold(&ctx->completion_lock) __must_hold(&ctx->completion_lock)
{ {
u32 seq = ctx->cached_cq_tail - atomic_read(&ctx->cq_timeouts); u32 seq = ctx->cached_cq_tail - atomic_read(&ctx->cq_timeouts);
...@@ -1547,7 +1547,7 @@ static void io_flush_timeouts(struct io_ring_ctx *ctx) ...@@ -1547,7 +1547,7 @@ static void io_flush_timeouts(struct io_ring_ctx *ctx)
spin_unlock_irq(&ctx->timeout_lock); spin_unlock_irq(&ctx->timeout_lock);
} }
static void __io_commit_cqring_flush(struct io_ring_ctx *ctx) static __cold void __io_commit_cqring_flush(struct io_ring_ctx *ctx)
{ {
if (ctx->off_timeout_used) if (ctx->off_timeout_used)
io_flush_timeouts(ctx); io_flush_timeouts(ctx);
...@@ -1903,7 +1903,7 @@ static bool io_flush_cached_reqs(struct io_ring_ctx *ctx) ...@@ -1903,7 +1903,7 @@ static bool io_flush_cached_reqs(struct io_ring_ctx *ctx)
* Because of that, io_alloc_req() should be called only under ->uring_lock * Because of that, io_alloc_req() should be called only under ->uring_lock
* and with extra caution to not get a request that is still worked on. * and with extra caution to not get a request that is still worked on.
*/ */
static bool __io_alloc_req_refill(struct io_ring_ctx *ctx) static __cold bool __io_alloc_req_refill(struct io_ring_ctx *ctx)
__must_hold(&ctx->uring_lock) __must_hold(&ctx->uring_lock)
{ {
struct io_submit_state *state = &ctx->submit_state; struct io_submit_state *state = &ctx->submit_state;
...@@ -1975,7 +1975,7 @@ static inline void io_dismantle_req(struct io_kiocb *req) ...@@ -1975,7 +1975,7 @@ static inline void io_dismantle_req(struct io_kiocb *req)
} }
} }
static void __io_free_req(struct io_kiocb *req) static __cold void __io_free_req(struct io_kiocb *req)
{ {
struct io_ring_ctx *ctx = req->ctx; struct io_ring_ctx *ctx = req->ctx;
...@@ -2467,7 +2467,7 @@ static int io_do_iopoll(struct io_ring_ctx *ctx, bool force_nonspin) ...@@ -2467,7 +2467,7 @@ static int io_do_iopoll(struct io_ring_ctx *ctx, bool force_nonspin)
* We can't just wait for polled events to come to us, we have to actively * We can't just wait for polled events to come to us, we have to actively
* find and complete them. * find and complete them.
*/ */
static void io_iopoll_try_reap_events(struct io_ring_ctx *ctx) static __cold void io_iopoll_try_reap_events(struct io_ring_ctx *ctx)
{ {
if (!(ctx->flags & IORING_SETUP_IOPOLL)) if (!(ctx->flags & IORING_SETUP_IOPOLL))
return; return;
...@@ -5632,8 +5632,8 @@ static bool io_poll_remove_one(struct io_kiocb *req) ...@@ -5632,8 +5632,8 @@ static bool io_poll_remove_one(struct io_kiocb *req)
/* /*
* Returns true if we found and killed one or more poll requests * Returns true if we found and killed one or more poll requests
*/ */
static bool io_poll_remove_all(struct io_ring_ctx *ctx, struct task_struct *tsk, static __cold bool io_poll_remove_all(struct io_ring_ctx *ctx,
bool cancel_all) struct task_struct *tsk, bool cancel_all)
{ {
struct hlist_node *tmp; struct hlist_node *tmp;
struct io_kiocb *req; struct io_kiocb *req;
...@@ -6425,7 +6425,7 @@ static u32 io_get_sequence(struct io_kiocb *req) ...@@ -6425,7 +6425,7 @@ static u32 io_get_sequence(struct io_kiocb *req)
return seq; return seq;
} }
static void io_drain_req(struct io_kiocb *req) static __cold void io_drain_req(struct io_kiocb *req)
{ {
struct io_ring_ctx *ctx = req->ctx; struct io_ring_ctx *ctx = req->ctx;
struct io_defer_entry *de; struct io_defer_entry *de;
...@@ -7305,7 +7305,7 @@ static int __io_sq_thread(struct io_ring_ctx *ctx, bool cap_entries) ...@@ -7305,7 +7305,7 @@ static int __io_sq_thread(struct io_ring_ctx *ctx, bool cap_entries)
return ret; return ret;
} }
static void io_sqd_update_thread_idle(struct io_sq_data *sqd) static __cold void io_sqd_update_thread_idle(struct io_sq_data *sqd)
{ {
struct io_ring_ctx *ctx; struct io_ring_ctx *ctx;
unsigned sq_thread_idle = 0; unsigned sq_thread_idle = 0;
...@@ -7559,7 +7559,7 @@ static void io_free_page_table(void **table, size_t size) ...@@ -7559,7 +7559,7 @@ static void io_free_page_table(void **table, size_t size)
kfree(table); kfree(table);
} }
static void **io_alloc_page_table(size_t size) static __cold void **io_alloc_page_table(size_t size)
{ {
unsigned i, nr_tables = DIV_ROUND_UP(size, PAGE_SIZE); unsigned i, nr_tables = DIV_ROUND_UP(size, PAGE_SIZE);
size_t init_size = size; size_t init_size = size;
...@@ -7588,7 +7588,7 @@ static void io_rsrc_node_destroy(struct io_rsrc_node *ref_node) ...@@ -7588,7 +7588,7 @@ static void io_rsrc_node_destroy(struct io_rsrc_node *ref_node)
kfree(ref_node); kfree(ref_node);
} }
static void io_rsrc_node_ref_zero(struct percpu_ref *ref) static __cold void io_rsrc_node_ref_zero(struct percpu_ref *ref)
{ {
struct io_rsrc_node *node = container_of(ref, struct io_rsrc_node, refs); struct io_rsrc_node *node = container_of(ref, struct io_rsrc_node, refs);
struct io_ring_ctx *ctx = node->rsrc_data->ctx; struct io_ring_ctx *ctx = node->rsrc_data->ctx;
...@@ -7665,7 +7665,8 @@ static int io_rsrc_node_switch_start(struct io_ring_ctx *ctx) ...@@ -7665,7 +7665,8 @@ static int io_rsrc_node_switch_start(struct io_ring_ctx *ctx)
return ctx->rsrc_backup_node ? 0 : -ENOMEM; return ctx->rsrc_backup_node ? 0 : -ENOMEM;
} }
static int io_rsrc_ref_quiesce(struct io_rsrc_data *data, struct io_ring_ctx *ctx) static __cold int io_rsrc_ref_quiesce(struct io_rsrc_data *data,
struct io_ring_ctx *ctx)
{ {
int ret; int ret;
...@@ -7721,9 +7722,9 @@ static void io_rsrc_data_free(struct io_rsrc_data *data) ...@@ -7721,9 +7722,9 @@ static void io_rsrc_data_free(struct io_rsrc_data *data)
kfree(data); kfree(data);
} }
static int io_rsrc_data_alloc(struct io_ring_ctx *ctx, rsrc_put_fn *do_put, static __cold int io_rsrc_data_alloc(struct io_ring_ctx *ctx, rsrc_put_fn *do_put,
u64 __user *utags, unsigned nr, u64 __user *utags, unsigned nr,
struct io_rsrc_data **pdata) struct io_rsrc_data **pdata)
{ {
struct io_rsrc_data *data; struct io_rsrc_data *data;
int ret = -ENOMEM; int ret = -ENOMEM;
...@@ -8493,8 +8494,8 @@ static struct io_wq *io_init_wq_offload(struct io_ring_ctx *ctx, ...@@ -8493,8 +8494,8 @@ static struct io_wq *io_init_wq_offload(struct io_ring_ctx *ctx,
return io_wq_create(concurrency, &data); return io_wq_create(concurrency, &data);
} }
static int io_uring_alloc_task_context(struct task_struct *task, static __cold int io_uring_alloc_task_context(struct task_struct *task,
struct io_ring_ctx *ctx) struct io_ring_ctx *ctx)
{ {
struct io_uring_task *tctx; struct io_uring_task *tctx;
int ret; int ret;
...@@ -8541,8 +8542,8 @@ void __io_uring_free(struct task_struct *tsk) ...@@ -8541,8 +8542,8 @@ void __io_uring_free(struct task_struct *tsk)
tsk->io_uring = NULL; tsk->io_uring = NULL;
} }
static int io_sq_offload_create(struct io_ring_ctx *ctx, static __cold int io_sq_offload_create(struct io_ring_ctx *ctx,
struct io_uring_params *p) struct io_uring_params *p)
{ {
int ret; int ret;
...@@ -9181,7 +9182,7 @@ static void io_wait_rsrc_data(struct io_rsrc_data *data) ...@@ -9181,7 +9182,7 @@ static void io_wait_rsrc_data(struct io_rsrc_data *data)
wait_for_completion(&data->done); wait_for_completion(&data->done);
} }
static void io_ring_ctx_free(struct io_ring_ctx *ctx) static __cold void io_ring_ctx_free(struct io_ring_ctx *ctx)
{ {
io_sq_thread_finish(ctx); io_sq_thread_finish(ctx);
...@@ -9290,7 +9291,7 @@ struct io_tctx_exit { ...@@ -9290,7 +9291,7 @@ struct io_tctx_exit {
struct io_ring_ctx *ctx; struct io_ring_ctx *ctx;
}; };
static void io_tctx_exit_cb(struct callback_head *cb) static __cold void io_tctx_exit_cb(struct callback_head *cb)
{ {
struct io_uring_task *tctx = current->io_uring; struct io_uring_task *tctx = current->io_uring;
struct io_tctx_exit *work; struct io_tctx_exit *work;
...@@ -9305,14 +9306,14 @@ static void io_tctx_exit_cb(struct callback_head *cb) ...@@ -9305,14 +9306,14 @@ static void io_tctx_exit_cb(struct callback_head *cb)
complete(&work->completion); complete(&work->completion);
} }
static bool io_cancel_ctx_cb(struct io_wq_work *work, void *data) static __cold bool io_cancel_ctx_cb(struct io_wq_work *work, void *data)
{ {
struct io_kiocb *req = container_of(work, struct io_kiocb, work); struct io_kiocb *req = container_of(work, struct io_kiocb, work);
return req->ctx == data; return req->ctx == data;
} }
static void io_ring_exit_work(struct work_struct *work) static __cold void io_ring_exit_work(struct work_struct *work)
{ {
struct io_ring_ctx *ctx = container_of(work, struct io_ring_ctx, exit_work); struct io_ring_ctx *ctx = container_of(work, struct io_ring_ctx, exit_work);
unsigned long timeout = jiffies + HZ * 60 * 5; unsigned long timeout = jiffies + HZ * 60 * 5;
...@@ -9383,8 +9384,8 @@ static void io_ring_exit_work(struct work_struct *work) ...@@ -9383,8 +9384,8 @@ static void io_ring_exit_work(struct work_struct *work)
} }
/* Returns true if we found and killed one or more timeouts */ /* Returns true if we found and killed one or more timeouts */
static bool io_kill_timeouts(struct io_ring_ctx *ctx, struct task_struct *tsk, static __cold bool io_kill_timeouts(struct io_ring_ctx *ctx,
bool cancel_all) struct task_struct *tsk, bool cancel_all)
{ {
struct io_kiocb *req, *tmp; struct io_kiocb *req, *tmp;
int canceled = 0; int canceled = 0;
...@@ -9406,7 +9407,7 @@ static bool io_kill_timeouts(struct io_ring_ctx *ctx, struct task_struct *tsk, ...@@ -9406,7 +9407,7 @@ static bool io_kill_timeouts(struct io_ring_ctx *ctx, struct task_struct *tsk,
return canceled != 0; return canceled != 0;
} }
static void io_ring_ctx_wait_and_kill(struct io_ring_ctx *ctx) static __cold void io_ring_ctx_wait_and_kill(struct io_ring_ctx *ctx)
{ {
unsigned long index; unsigned long index;
struct creds *creds; struct creds *creds;
...@@ -9468,8 +9469,9 @@ static bool io_cancel_task_cb(struct io_wq_work *work, void *data) ...@@ -9468,8 +9469,9 @@ static bool io_cancel_task_cb(struct io_wq_work *work, void *data)
return ret; return ret;
} }
static bool io_cancel_defer_files(struct io_ring_ctx *ctx, static __cold bool io_cancel_defer_files(struct io_ring_ctx *ctx,
struct task_struct *task, bool cancel_all) struct task_struct *task,
bool cancel_all)
{ {
struct io_defer_entry *de; struct io_defer_entry *de;
LIST_HEAD(list); LIST_HEAD(list);
...@@ -9494,7 +9496,7 @@ static bool io_cancel_defer_files(struct io_ring_ctx *ctx, ...@@ -9494,7 +9496,7 @@ static bool io_cancel_defer_files(struct io_ring_ctx *ctx,
return true; return true;
} }
static bool io_uring_try_cancel_iowq(struct io_ring_ctx *ctx) static __cold bool io_uring_try_cancel_iowq(struct io_ring_ctx *ctx)
{ {
struct io_tctx_node *node; struct io_tctx_node *node;
enum io_wq_cancel cret; enum io_wq_cancel cret;
...@@ -9518,9 +9520,9 @@ static bool io_uring_try_cancel_iowq(struct io_ring_ctx *ctx) ...@@ -9518,9 +9520,9 @@ static bool io_uring_try_cancel_iowq(struct io_ring_ctx *ctx)
return ret; return ret;
} }
static void io_uring_try_cancel_requests(struct io_ring_ctx *ctx, static __cold void io_uring_try_cancel_requests(struct io_ring_ctx *ctx,
struct task_struct *task, struct task_struct *task,
bool cancel_all) bool cancel_all)
{ {
struct io_task_cancel cancel = { .task = task, .all = cancel_all, }; struct io_task_cancel cancel = { .task = task, .all = cancel_all, };
struct io_uring_task *tctx = task ? task->io_uring : NULL; struct io_uring_task *tctx = task ? task->io_uring : NULL;
...@@ -9610,7 +9612,7 @@ static inline int io_uring_add_tctx_node(struct io_ring_ctx *ctx) ...@@ -9610,7 +9612,7 @@ static inline int io_uring_add_tctx_node(struct io_ring_ctx *ctx)
/* /*
* Remove this io_uring_file -> task mapping. * Remove this io_uring_file -> task mapping.
*/ */
static void io_uring_del_tctx_node(unsigned long index) static __cold void io_uring_del_tctx_node(unsigned long index)
{ {
struct io_uring_task *tctx = current->io_uring; struct io_uring_task *tctx = current->io_uring;
struct io_tctx_node *node; struct io_tctx_node *node;
...@@ -9633,7 +9635,7 @@ static void io_uring_del_tctx_node(unsigned long index) ...@@ -9633,7 +9635,7 @@ static void io_uring_del_tctx_node(unsigned long index)
kfree(node); kfree(node);
} }
static void io_uring_clean_tctx(struct io_uring_task *tctx) static __cold void io_uring_clean_tctx(struct io_uring_task *tctx)
{ {
struct io_wq *wq = tctx->io_wq; struct io_wq *wq = tctx->io_wq;
struct io_tctx_node *node; struct io_tctx_node *node;
...@@ -9660,7 +9662,7 @@ static s64 tctx_inflight(struct io_uring_task *tctx, bool tracked) ...@@ -9660,7 +9662,7 @@ static s64 tctx_inflight(struct io_uring_task *tctx, bool tracked)
return percpu_counter_sum(&tctx->inflight); return percpu_counter_sum(&tctx->inflight);
} }
static void io_uring_drop_tctx_refs(struct task_struct *task) static __cold void io_uring_drop_tctx_refs(struct task_struct *task)
{ {
struct io_uring_task *tctx = task->io_uring; struct io_uring_task *tctx = task->io_uring;
unsigned int refs = tctx->cached_refs; unsigned int refs = tctx->cached_refs;
...@@ -9676,7 +9678,8 @@ static void io_uring_drop_tctx_refs(struct task_struct *task) ...@@ -9676,7 +9678,8 @@ static void io_uring_drop_tctx_refs(struct task_struct *task)
* Find any io_uring ctx that this task has registered or done IO on, and cancel * Find any io_uring ctx that this task has registered or done IO on, and cancel
* requests. @sqd should be not-null IIF it's an SQPOLL thread cancellation. * requests. @sqd should be not-null IIF it's an SQPOLL thread cancellation.
*/ */
static void io_uring_cancel_generic(bool cancel_all, struct io_sq_data *sqd) static __cold void io_uring_cancel_generic(bool cancel_all,
struct io_sq_data *sqd)
{ {
struct io_uring_task *tctx = current->io_uring; struct io_uring_task *tctx = current->io_uring;
struct io_ring_ctx *ctx; struct io_ring_ctx *ctx;
...@@ -9769,7 +9772,7 @@ static void *io_uring_validate_mmap_request(struct file *file, ...@@ -9769,7 +9772,7 @@ static void *io_uring_validate_mmap_request(struct file *file,
#ifdef CONFIG_MMU #ifdef CONFIG_MMU
static int io_uring_mmap(struct file *file, struct vm_area_struct *vma) static __cold int io_uring_mmap(struct file *file, struct vm_area_struct *vma)
{ {
size_t sz = vma->vm_end - vma->vm_start; size_t sz = vma->vm_end - vma->vm_start;
unsigned long pfn; unsigned long pfn;
...@@ -9954,7 +9957,7 @@ SYSCALL_DEFINE6(io_uring_enter, unsigned int, fd, u32, to_submit, ...@@ -9954,7 +9957,7 @@ SYSCALL_DEFINE6(io_uring_enter, unsigned int, fd, u32, to_submit,
} }
#ifdef CONFIG_PROC_FS #ifdef CONFIG_PROC_FS
static int io_uring_show_cred(struct seq_file *m, unsigned int id, static __cold int io_uring_show_cred(struct seq_file *m, unsigned int id,
const struct cred *cred) const struct cred *cred)
{ {
struct user_namespace *uns = seq_user_ns(m); struct user_namespace *uns = seq_user_ns(m);
...@@ -9986,7 +9989,8 @@ static int io_uring_show_cred(struct seq_file *m, unsigned int id, ...@@ -9986,7 +9989,8 @@ static int io_uring_show_cred(struct seq_file *m, unsigned int id,
return 0; return 0;
} }
static void __io_uring_show_fdinfo(struct io_ring_ctx *ctx, struct seq_file *m) static __cold void __io_uring_show_fdinfo(struct io_ring_ctx *ctx,
struct seq_file *m)
{ {
struct io_sq_data *sq = NULL; struct io_sq_data *sq = NULL;
struct io_overflow_cqe *ocqe; struct io_overflow_cqe *ocqe;
...@@ -10098,7 +10102,7 @@ static void __io_uring_show_fdinfo(struct io_ring_ctx *ctx, struct seq_file *m) ...@@ -10098,7 +10102,7 @@ static void __io_uring_show_fdinfo(struct io_ring_ctx *ctx, struct seq_file *m)
spin_unlock(&ctx->completion_lock); spin_unlock(&ctx->completion_lock);
} }
static void io_uring_show_fdinfo(struct seq_file *m, struct file *f) static __cold void io_uring_show_fdinfo(struct seq_file *m, struct file *f)
{ {
struct io_ring_ctx *ctx = f->private_data; struct io_ring_ctx *ctx = f->private_data;
...@@ -10122,8 +10126,8 @@ static const struct file_operations io_uring_fops = { ...@@ -10122,8 +10126,8 @@ static const struct file_operations io_uring_fops = {
#endif #endif
}; };
static int io_allocate_scq_urings(struct io_ring_ctx *ctx, static __cold int io_allocate_scq_urings(struct io_ring_ctx *ctx,
struct io_uring_params *p) struct io_uring_params *p)
{ {
struct io_rings *rings; struct io_rings *rings;
size_t size, sq_array_offset; size_t size, sq_array_offset;
...@@ -10212,8 +10216,8 @@ static struct file *io_uring_get_file(struct io_ring_ctx *ctx) ...@@ -10212,8 +10216,8 @@ static struct file *io_uring_get_file(struct io_ring_ctx *ctx)
return file; return file;
} }
static int io_uring_create(unsigned entries, struct io_uring_params *p, static __cold int io_uring_create(unsigned entries, struct io_uring_params *p,
struct io_uring_params __user *params) struct io_uring_params __user *params)
{ {
struct io_ring_ctx *ctx; struct io_ring_ctx *ctx;
struct file *file; struct file *file;
...@@ -10371,7 +10375,8 @@ SYSCALL_DEFINE2(io_uring_setup, u32, entries, ...@@ -10371,7 +10375,8 @@ SYSCALL_DEFINE2(io_uring_setup, u32, entries,
return io_uring_setup(entries, params); return io_uring_setup(entries, params);
} }
static int io_probe(struct io_ring_ctx *ctx, void __user *arg, unsigned nr_args) static __cold int io_probe(struct io_ring_ctx *ctx, void __user *arg,
unsigned nr_args)
{ {
struct io_uring_probe *p; struct io_uring_probe *p;
size_t size; size_t size;
...@@ -10427,8 +10432,8 @@ static int io_register_personality(struct io_ring_ctx *ctx) ...@@ -10427,8 +10432,8 @@ static int io_register_personality(struct io_ring_ctx *ctx)
return id; return id;
} }
static int io_register_restrictions(struct io_ring_ctx *ctx, void __user *arg, static __cold int io_register_restrictions(struct io_ring_ctx *ctx,
unsigned int nr_args) void __user *arg, unsigned int nr_args)
{ {
struct io_uring_restriction *res; struct io_uring_restriction *res;
size_t size; size_t size;
...@@ -10562,7 +10567,7 @@ static int io_register_rsrc_update(struct io_ring_ctx *ctx, void __user *arg, ...@@ -10562,7 +10567,7 @@ static int io_register_rsrc_update(struct io_ring_ctx *ctx, void __user *arg,
return __io_register_rsrc_update(ctx, type, &up, up.nr); return __io_register_rsrc_update(ctx, type, &up, up.nr);
} }
static int io_register_rsrc(struct io_ring_ctx *ctx, void __user *arg, static __cold int io_register_rsrc(struct io_ring_ctx *ctx, void __user *arg,
unsigned int size, unsigned int type) unsigned int size, unsigned int type)
{ {
struct io_uring_rsrc_register rr; struct io_uring_rsrc_register rr;
...@@ -10588,8 +10593,8 @@ static int io_register_rsrc(struct io_ring_ctx *ctx, void __user *arg, ...@@ -10588,8 +10593,8 @@ static int io_register_rsrc(struct io_ring_ctx *ctx, void __user *arg,
return -EINVAL; return -EINVAL;
} }
static int io_register_iowq_aff(struct io_ring_ctx *ctx, void __user *arg, static __cold int io_register_iowq_aff(struct io_ring_ctx *ctx,
unsigned len) void __user *arg, unsigned len)
{ {
struct io_uring_task *tctx = current->io_uring; struct io_uring_task *tctx = current->io_uring;
cpumask_var_t new_mask; cpumask_var_t new_mask;
...@@ -10615,7 +10620,7 @@ static int io_register_iowq_aff(struct io_ring_ctx *ctx, void __user *arg, ...@@ -10615,7 +10620,7 @@ static int io_register_iowq_aff(struct io_ring_ctx *ctx, void __user *arg,
return ret; return ret;
} }
static int io_unregister_iowq_aff(struct io_ring_ctx *ctx) static __cold int io_unregister_iowq_aff(struct io_ring_ctx *ctx)
{ {
struct io_uring_task *tctx = current->io_uring; struct io_uring_task *tctx = current->io_uring;
...@@ -10625,8 +10630,8 @@ static int io_unregister_iowq_aff(struct io_ring_ctx *ctx) ...@@ -10625,8 +10630,8 @@ static int io_unregister_iowq_aff(struct io_ring_ctx *ctx)
return io_wq_cpu_affinity(tctx->io_wq, NULL); return io_wq_cpu_affinity(tctx->io_wq, NULL);
} }
static int io_register_iowq_max_workers(struct io_ring_ctx *ctx, static __cold int io_register_iowq_max_workers(struct io_ring_ctx *ctx,
void __user *arg) void __user *arg)
{ {
struct io_uring_task *tctx = NULL; struct io_uring_task *tctx = NULL;
struct io_sq_data *sqd = NULL; struct io_sq_data *sqd = NULL;
...@@ -10707,7 +10712,7 @@ static bool io_register_op_must_quiesce(int op) ...@@ -10707,7 +10712,7 @@ static bool io_register_op_must_quiesce(int op)
} }
} }
static int io_ctx_quiesce(struct io_ring_ctx *ctx) static __cold int io_ctx_quiesce(struct io_ring_ctx *ctx)
{ {
long ret; long ret;
......
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