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/linux/io_uring/
H A Dnet.c161 static void io_netmsg_iovec_free(struct io_async_msghdr *kmsg) in io_netmsg_iovec_free() argument
163 if (kmsg->vec.iovec) in io_netmsg_iovec_free()
164 io_vec_free(&kmsg->vec); in io_netmsg_iovec_free()
202 struct io_async_msghdr *kmsg) in io_mshot_prep_retry() argument
353 struct io_async_msghdr *kmsg = req->async_data; in io_send_setup() local
363 kmsg->msg.msg_name = NULL; in io_send_setup()
364 kmsg->msg.msg_namelen = 0; in io_send_setup()
365 kmsg->msg.msg_control = NULL; in io_send_setup()
366 kmsg->msg.msg_controllen = 0; in io_send_setup()
367 kmsg in io_send_setup()
399 struct io_async_msghdr *kmsg = req->async_data; io_sendmsg_setup() local
472 io_bundle_nbufs(struct io_async_msghdr * kmsg,int ret) io_bundle_nbufs() argument
504 io_net_kbuf_recyle(struct io_kiocb * req,struct io_buffer_list * bl,struct io_async_msghdr * kmsg,int len) io_net_kbuf_recyle() argument
513 io_send_finish(struct io_kiocb * req,struct io_async_msghdr * kmsg,struct io_br_sel * sel) io_send_finish() argument
553 struct io_async_msghdr *kmsg = req->async_data; io_sendmsg() local
600 io_send_select_buffer(struct io_kiocb * req,unsigned int issue_flags,struct io_br_sel * sel,struct io_async_msghdr * kmsg) io_send_select_buffer() argument
650 struct io_async_msghdr *kmsg = req->async_data; io_send() local
762 struct io_async_msghdr *kmsg; io_recvmsg_prep_setup() local
855 io_recv_finish(struct io_kiocb * req,struct io_async_msghdr * kmsg,struct io_br_sel * sel,bool mshot_finished,unsigned issue_flags) io_recv_finish() argument
937 io_recvmsg_prep_multishot(struct io_async_msghdr * kmsg,struct io_sr_msg * sr,void __user ** buf,size_t * len) io_recvmsg_prep_multishot() argument
968 io_recvmsg_multishot(struct socket * sock,struct io_sr_msg * io,struct io_async_msghdr * kmsg,unsigned int flags,bool * finished) io_recvmsg_multishot() argument
1024 struct io_async_msghdr *kmsg = req->async_data; io_recvmsg() local
1108 io_recv_buf_select(struct io_kiocb * req,struct io_async_msghdr * kmsg,struct io_br_sel * sel,unsigned int issue_flags) io_recv_buf_select() argument
1183 struct io_async_msghdr *kmsg = req->async_data; io_recv() local
1460 io_send_zc_import(struct io_kiocb * req,struct io_async_msghdr * kmsg,unsigned int issue_flags) io_send_zc_import() argument
1492 struct io_async_msghdr *kmsg = req->async_data; io_sendmsg_zc() local
1893 struct io_async_msghdr *kmsg = (struct io_async_msghdr *) entry; io_netmsg_cache_free() local
[all...]
/linux/net/
H A Dcompat.c36 int __get_compat_msghdr(struct msghdr *kmsg, in __get_compat_msghdr() argument
42 kmsg->msg_flags = msg->msg_flags; in __get_compat_msghdr()
43 kmsg->msg_namelen = msg->msg_namelen; in __get_compat_msghdr()
46 kmsg->msg_namelen = 0; in __get_compat_msghdr()
48 if (kmsg->msg_namelen < 0) in __get_compat_msghdr()
51 if (kmsg->msg_namelen > sizeof(struct sockaddr_storage)) in __get_compat_msghdr()
52 kmsg->msg_namelen = sizeof(struct sockaddr_storage); in __get_compat_msghdr()
54 kmsg->msg_control_is_user = true; in __get_compat_msghdr()
55 kmsg->msg_get_inq = 0; in __get_compat_msghdr()
56 kmsg in __get_compat_msghdr()
83 get_compat_msghdr(struct msghdr * kmsg,struct compat_msghdr __user * umsg,struct sockaddr __user ** save_addr,struct iovec ** iov) get_compat_msghdr() argument
139 cmsghdr_from_user_compat_to_kern(struct msghdr * kmsg,struct sock * sk,unsigned char * stackbuf,int stackbuf_size) cmsghdr_from_user_compat_to_kern() argument
227 put_cmsg_compat(struct msghdr * kmsg,int level,int type,int len,void * data) put_cmsg_compat() argument
[all...]
H A Dsocket.c2561 int __copy_msghdr(struct msghdr *kmsg,
2567 kmsg->msg_control_is_user = true;
2568 kmsg->msg_get_inq = 0;
2569 kmsg->msg_control_user = msg->msg_control;
2570 kmsg->msg_controllen = msg->msg_controllen;
2571 kmsg->msg_flags = msg->msg_flags;
2573 kmsg->msg_namelen = msg->msg_namelen;
2575 kmsg->msg_namelen = 0; in __copy_msghdr()
2577 if (kmsg->msg_namelen < 0) in __copy_msghdr()
2580 if (kmsg in __copy_msghdr()
2574 __copy_msghdr(struct msghdr * kmsg,struct user_msghdr * msg,struct sockaddr __user ** save_addr) __copy_msghdr() argument
2620 copy_msghdr_from_user(struct msghdr * kmsg,struct user_msghdr __user * umsg,struct sockaddr __user ** save_addr,struct iovec ** iov) copy_msghdr_from_user() argument
[all...]
/linux/tools/testing/selftests/livepatch/
H A Dtest-livepatch.sh62 grep 'live patched' /proc/cmdline > /dev/kmsg
63 grep 'live patched' /proc/meminfo > /dev/kmsg
67 grep 'live patched' /proc/cmdline > /dev/kmsg
68 grep 'live patched' /proc/meminfo > /dev/kmsg
73 grep 'live patched' /proc/cmdline > /dev/kmsg
74 grep 'live patched' /proc/meminfo > /dev/kmsg
79 grep 'live patched' /proc/cmdline > /dev/kmsg
80 grep 'live patched' /proc/meminfo > /dev/kmsg
126 grep 'live patched' /proc/cmdline > /dev/kmsg
127 grep 'live patched' /proc/meminfo > /dev/kmsg
[all...]
H A Dfunctions.sh27 echo "$1" > /dev/kmsg
119 echo "livepatch: $err" | sed 's#/proc/sys/kernel/#kernel.#' > /dev/kmsg
126 echo "livepatch: kernel.ftrace_enabled = $result" > /dev/kmsg
/linux/Documentation/ABI/testing/
H A Ddev-kmsg1 What: /dev/kmsg
5 Description: The /dev/kmsg character device node provides userspace access
116 the console, /proc/kmsg or the syslog() syscall.
121 disabled and /dev/kmsg output will contain more fragments. If
124 may be removed entirely and /dev/kmsg users are recommended to
/linux/tools/testing/selftests/drivers/net/
H A Dnetpoll_basic.py56 # Number of writes to /dev/kmsg per iteration
309 with open("/dev/kmsg", "w", encoding="utf-8") as kmsg:
312 kmsg.write(f"{msg}-{j}\n")
314 # in some cases, kmsg can be busy, so, we will retry
318 logging.info("Failed to write to kmsg. Retrying")
322 f"Failed to write to kmsg: {exception}"
H A Dnetcons_fragmented_msg.sh
H A Dnetcons_cmdline.sh
H A Dnetcons_basic.sh
H A Dnetcons_torture.sh
/linux/Documentation/devicetree/bindings/reserved-memory/
H A Dramoops.yaml46 description: maximum size in bytes of each kmsg dump
81 If present, sets maximum type of kmsg dump reasons to store.
82 This can be set to INT_MAX to store all kmsg dumps.
83 See include/linux/kmsg_dump.h KMSG_DUMP_* for other kmsg dump reason values.
/linux/tools/testing/selftests/devices/error_logs/
H A Dtest_device_error_logs.py25 kmsg = "/dev/kmsg" variable
41 with open(kmsg) as f:
/linux/fs/pstore/
H A DKconfig135 int "Size in Kbytes of kmsg dump log to store"
139 This just sets size of kmsg dump (oops, panic, etc) log for
146 int "Maximum kmsg dump reason to store"
150 The maximum reason for kmsg dumps to store. The default is
H A Dzone.c42 * struct psz_kmsg_header - kmsg dump-specific header to flush to storage
44 * @magic: magic num for kmsg dump header
45 * @time: kmsg dump trigger time
47 * @counter: kmsg dump counter
48 * @reason: the kmsg dump reason (e.g. oops, panic, etc)
51 * This is a sub-header for a kmsg dump, trailing after &psz_buffer.
92 * @kpszs: kmsg dump storage zones
97 * @kmsg_read_cnt: counter of total read kmsg dumps
98 * @kmsg_write_cnt: counter of total kmsg dump writes
407 pr_debug("no valid data in kmsg dump zone %lu\n", i); in psz_kmsg_recover_meta()
[all …]
/linux/Documentation/networking/
H A Dnetconsole.rst199 echo "This is a message" > /dev/kmsg
223 echo "This is a message" > /dev/kmsg
265 echo "This is a message" > /dev/kmsg
286 echo "This is a message" > /dev/kmsg
317 echo "This is a message" > /dev/kmsg
364 echo "This is message #1" > /dev/kmsg
365 echo "This is message #2" > /dev/kmsg
382 following format which is the same as /dev/kmsg::
/linux/include/linux/
H A Dpstore_blk.h31 * @max_reason: Maximum kmsg dump reason to store to block device
32 * @kmsg_size: Total size of for kmsg dumps
/linux/fs/proc/
H A Dkmsg.c3 * linux/fs/proc/kmsg.c
60 proc_create("kmsg", S_IRUSR, NULL, &kmsg_proc_ops); in proc_kmsg_init()
H A DMakefile36 proc-$(CONFIG_PRINTK) += kmsg.o
/linux/drivers/hv/
H A Dhv_common.c118 * sysctl option to allow the user to control whether kmsg data should be
147 * kmsg dumper is used [see hv_kmsg_dump()], which provides more
173 * be calling hv_kmsg_dump() later with kmsg data, don't do the in hv_die_panic_notify_crash()
183 * Callback from kmsg_dump. Grab as much as possible from the end of the kmsg
254 pr_err("Hyper-V: kmsg dump register error 0x%x\n", ret); in hv_kmsg_dump_register()
331 * Hyper-V expects to get crash register data or kmsg when in hv_common_init()
355 * Register for panic kmsg callback only if the right in hv_common_init()
/linux/tools/testing/selftests/
H A Drun_kselftest.sh152 [ -w /dev/kmsg ] && echo "kselftest: Running tests in $collection" >> /dev/kmsg
/linux/tools/testing/selftests/wireguard/qemu/
H A Dinit.c134 file = fopen("/proc/kmsg", "r"); in kmod_selftests()
136 panic("fopen(kmsg)"); in kmod_selftests()
138 panic("fcntl(kmsg, nonblock)"); in kmod_selftests()
/linux/drivers/gpu/drm/tests/
H A Ddrm_panic_test.c38 * Run all tests for the 3 panic screens: user, kmsg and qr_code
57 DRM_TEST_MODE_LIST(kmsg)
/linux/arch/powerpc/platforms/powernv/
H A Dopal-kmsg.c3 * kmsg dumper that ensures the OPAL console fully flushes panic messages
/linux/arch/um/kernel/
H A Dkmsg_dump.c23 * the kmsg buffer to stdout. in kmsg_dumper_stdout()

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