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/openbmc/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->msg_control_user = compat_ptr(msg->msg_control); in __get_compat_msghdr()
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H A Dsocket.c2471 int __copy_msghdr(struct msghdr *kmsg, in __copy_msghdr() argument
2477 kmsg->msg_control_is_user = true; in __copy_msghdr()
2478 kmsg->msg_get_inq = 0; in __copy_msghdr()
2479 kmsg->msg_control_user = msg->msg_control; in __copy_msghdr()
2480 kmsg->msg_controllen = msg->msg_controllen; in __copy_msghdr()
2481 kmsg->msg_flags = msg->msg_flags; in __copy_msghdr()
2483 kmsg->msg_namelen = msg->msg_namelen; in __copy_msghdr()
2485 kmsg->msg_namelen = 0; in __copy_msghdr()
2487 if (kmsg->msg_namelen < 0) in __copy_msghdr()
2490 if (kmsg->msg_namelen > sizeof(struct sockaddr_storage)) in __copy_msghdr()
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/openbmc/linux/tools/testing/selftests/livepatch/
H A Dtest-livepatch.sh58 grep 'live patched' /proc/cmdline > /dev/kmsg
59 grep 'live patched' /proc/meminfo > /dev/kmsg
63 grep 'live patched' /proc/cmdline > /dev/kmsg
64 grep 'live patched' /proc/meminfo > /dev/kmsg
69 grep 'live patched' /proc/cmdline > /dev/kmsg
70 grep 'live patched' /proc/meminfo > /dev/kmsg
75 grep 'live patched' /proc/cmdline > /dev/kmsg
76 grep 'live patched' /proc/meminfo > /dev/kmsg
119 grep 'live patched' /proc/cmdline > /dev/kmsg
120 grep 'live patched' /proc/meminfo > /dev/kmsg
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H A Dfunctions.sh17 echo "$1" > /dev/kmsg
90 echo "livepatch: $err" | sed 's#/proc/sys/kernel/#kernel.#' > /dev/kmsg
97 echo "livepatch: kernel.ftrace_enabled = $result" > /dev/kmsg
/openbmc/linux/io_uring/
H A Dnet.c178 struct io_async_msghdr *kmsg, in io_setup_async_msg() argument
187 kfree(kmsg->free_iov); in io_setup_async_msg()
191 memcpy(async_msg, kmsg, sizeof(*kmsg)); in io_setup_async_msg()
199 if (iter_is_iovec(&kmsg->msg.msg_iter) && !kmsg->free_iov) { in io_setup_async_msg()
200 size_t fast_idx = iter_iov(&kmsg->msg.msg_iter) - kmsg->fast_iov; in io_setup_async_msg()
404 struct io_async_msghdr iomsg, *kmsg; in io_sendmsg() local
415 kmsg = req->async_data; in io_sendmsg()
416 kmsg->msg.msg_control_user = sr->msg_control; in io_sendmsg()
421 kmsg = &iomsg; in io_sendmsg()
426 return io_setup_async_msg(req, kmsg, issue_flags); in io_sendmsg()
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/openbmc/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
/openbmc/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.
/openbmc/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()
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/openbmc/linux/drivers/hv/
H A Dhv_common.c138 * sysctl option to allow the user to control whether kmsg data should be
168 * kmsg dumper is used [see hv_kmsg_dump()], which provides more
194 * be calling hv_kmsg_dump() later with kmsg data, don't do the in hv_die_panic_notify_crash()
204 * Callback from kmsg_dump. Grab as much as possible from the end of the kmsg
273 pr_err("Hyper-V: kmsg dump register error 0x%x\n", ret); in hv_kmsg_dump_register()
287 * Hyper-V expects to get crash register data or kmsg when in hv_common_init()
311 * Register for panic kmsg callback only if the right in hv_common_init()
/openbmc/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
H A Dpstore_zone.h20 * @max_reason: Maximum kmsg dump reason to store.
/openbmc/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 DMakefile34 proc-$(CONFIG_PRINTK) += kmsg.o
/openbmc/linux/tools/testing/selftests/
H A Drun_kselftest.sh95 [ -w /dev/kmsg ] && echo "kselftest: Running tests in $collection" >> /dev/kmsg
/openbmc/linux/net/batman-adv/
H A Dlog.h116 * batadv_info() - Store message in debug buffer and print it to kmsg buffer
130 * batadv_err() - Store error in debug buffer and print it to kmsg buffer
/openbmc/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()
/openbmc/linux/arch/powerpc/platforms/powernv/
H A Dopal-kmsg.c3 * kmsg dumper that ensures the OPAL console fully flushes panic messages
H A DMakefile15 obj-y += opal-kmsg.o opal-powercap.o opal-psr.o opal-sensor-groups.o
/openbmc/linux/net/bpfilter/
H A Dmain.c58 debug_f = fopen("/dev/kmsg", "w"); in main()
/openbmc/linux/arch/um/kernel/
H A Dkmsg_dump.c23 * the kmsg buffer to stdout. in kmsg_dumper_stdout()
/openbmc/openbmc/poky/meta/recipes-core/busybox/files/
H A Dmdev.conf10 kmsg 0:0 0660
/openbmc/openbmc/poky/meta/files/
H A Ddevice_table-minimal.txt17 /dev/kmsg c 600 root root 1 11 - - -
/openbmc/linux/include/net/
H A Dcompat.h49 int __get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr *msg,
/openbmc/linux/arch/m68k/tools/amiga/
H A Ddmesg.c30 #define SAVEKMSG_MAGIC2 0x4B4D5347 /* 'KMSG' */

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