https://github.com/torvalds/linux
Revision 084681d14e429cb6192262ac7437f00e2c02f26a authored by Kay Sievers on 28 June 2012, 07:38:53 UTC, committed by Greg Kroah-Hartman on 29 June 2012, 15:39:42 UTC
Continuation lines are buffered internally, intended to merge the chunked printk()s into a single record, and to isolate potentially racy continuation users from usual terminated line users. This though, has the effect that partial lines are not printed to the console in the moment they are emitted. In case the kernel crashes in the meantime, the potentially interesting printed information would never reach the consoles. Here we share the continuation buffer with the console copy logic, and partial lines are always immediately flushed to the available consoles. They are still buffered internally to improve the readability and integrity of the messages and minimize the amount of needed record headers to store. Signed-off-by: Kay Sievers <kay@vrfy.org> Tested-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 parent 116e90b
Tip revision: 084681d14e429cb6192262ac7437f00e2c02f26a authored by Kay Sievers on 28 June 2012, 07:38:53 UTC
printk: flush continuation lines immediately to console
printk: flush continuation lines immediately to console
Tip revision: 084681d
| File | Mode | Size |
|---|---|---|
| lzo | ||
| mpi | ||
| raid6 | ||
| reed_solomon | ||
| xz | ||
| zlib_deflate | ||
| zlib_inflate | ||
| .gitignore | -rw-r--r-- | 51 bytes |
| Kconfig | -rw-r--r-- | 9.0 KB |
| Kconfig.debug | -rw-r--r-- | 45.5 KB |
| Kconfig.kgdb | -rw-r--r-- | 2.3 KB |
| Kconfig.kmemcheck | -rw-r--r-- | 2.9 KB |
| Makefile | -rw-r--r-- | 4.1 KB |
| argv_split.c | -rw-r--r-- | 1.8 KB |
| atomic64.c | -rw-r--r-- | 4.2 KB |
| atomic64_test.c | -rw-r--r-- | 3.5 KB |
| audit.c | -rw-r--r-- | 1.2 KB |
| average.c | -rw-r--r-- | 1.9 KB |
| bcd.c | -rw-r--r-- | 257 bytes |
| bch.c | -rw-r--r-- | 35.6 KB |
| bitmap.c | -rw-r--r-- | 34.7 KB |
| bitrev.c | -rw-r--r-- | 2.1 KB |
| bsearch.c | -rw-r--r-- | 1.6 KB |
| btree.c | -rw-r--r-- | 19.2 KB |
| bug.c | -rw-r--r-- | 4.7 KB |
| bust_spinlocks.c | -rw-r--r-- | 636 bytes |
| check_signature.c | -rw-r--r-- | 599 bytes |
| checksum.c | -rw-r--r-- | 4.8 KB |
| clz_tab.c | -rw-r--r-- | 855 bytes |
| cmdline.c | -rw-r--r-- | 3.6 KB |
| cordic.c | -rw-r--r-- | 2.5 KB |
| cpu-notifier-error-inject.c | -rw-r--r-- | 1.5 KB |
| cpu_rmap.c | -rw-r--r-- | 6.8 KB |
| cpumask.c | -rw-r--r-- | 4.4 KB |
| crc-ccitt.c | -rw-r--r-- | 3.0 KB |
| crc-itu-t.c | -rw-r--r-- | 2.8 KB |
| crc-t10dif.c | -rw-r--r-- | 2.9 KB |
| crc16.c | -rw-r--r-- | 2.8 KB |
| crc32.c | -rw-r--r-- | 41.8 KB |
| crc32defs.h | -rw-r--r-- | 2.0 KB |
| crc7.c | -rw-r--r-- | 2.3 KB |
| crc8.c | -rw-r--r-- | 2.4 KB |
| ctype.c | -rw-r--r-- | 1.4 KB |
| debug_locks.c | -rw-r--r-- | 1.1 KB |
| debugobjects.c | -rw-r--r-- | 26.2 KB |
| dec_and_lock.c | -rw-r--r-- | 784 bytes |
| decompress.c | -rw-r--r-- | 1.3 KB |
| decompress_bunzip2.c | -rw-r--r-- | 23.4 KB |
| decompress_inflate.c | -rw-r--r-- | 3.7 KB |
| decompress_unlzma.c | -rw-r--r-- | 15.8 KB |
| decompress_unlzo.c | -rw-r--r-- | 6.8 KB |
| decompress_unxz.c | -rw-r--r-- | 10.6 KB |
| devres.c | -rw-r--r-- | 9.2 KB |
| digsig.c | -rw-r--r-- | 5.7 KB |
| div64.c | -rw-r--r-- | 3.1 KB |
| dma-debug.c | -rw-r--r-- | 33.2 KB |
| dump_stack.c | -rw-r--r-- | 290 bytes |
| dynamic_debug.c | -rw-r--r-- | 24.9 KB |
| dynamic_queue_limits.c | -rw-r--r-- | 4.3 KB |
| extable.c | -rw-r--r-- | 2.4 KB |
| fault-inject.c | -rw-r--r-- | 6.0 KB |
| find_last_bit.c | -rw-r--r-- | 1.1 KB |
| find_next_bit.c | -rw-r--r-- | 6.4 KB |
| flex_array.c | -rw-r--r-- | 10.9 KB |
| gcd.c | -rw-r--r-- | 291 bytes |
| gen_crc32table.c | -rw-r--r-- | 3.2 KB |
| genalloc.c | -rw-r--r-- | 11.1 KB |
| halfmd4.c | -rw-r--r-- | 2.0 KB |
| hexdump.c | -rw-r--r-- | 7.0 KB |
| hweight.c | -rw-r--r-- | 1.9 KB |
| idr.c | -rw-r--r-- | 23.5 KB |
| inflate.c | -rw-r--r-- | 38.6 KB |
| int_sqrt.c | -rw-r--r-- | 533 bytes |
| iomap.c | -rw-r--r-- | 6.5 KB |
| iomap_copy.c | -rw-r--r-- | 2.1 KB |
| iommu-helper.c | -rw-r--r-- | 1.0 KB |
| ioremap.c | -rw-r--r-- | 2.1 KB |
| irq_regs.c | -rw-r--r-- | 604 bytes |
| is_single_threaded.c | -rw-r--r-- | 1.3 KB |
| jedec_ddr_data.c | -rw-r--r-- | 3.0 KB |
| kasprintf.c | -rw-r--r-- | 704 bytes |
| klist.c | -rw-r--r-- | 9.3 KB |
| kobject.c | -rw-r--r-- | 23.2 KB |
| kobject_uevent.c | -rw-r--r-- | 10.4 KB |
| kstrtox.c | -rw-r--r-- | 6.0 KB |
| kstrtox.h | -rw-r--r-- | 254 bytes |
| lcm.c | -rw-r--r-- | 288 bytes |
| libcrc32c.c | -rw-r--r-- | 2.1 KB |
| list_debug.c | -rw-r--r-- | 2.6 KB |
| list_sort.c | -rw-r--r-- | 7.0 KB |
| llist.c | -rw-r--r-- | 2.7 KB |
| locking-selftest-hardirq.h | -rw-r--r-- | 207 bytes |
| locking-selftest-mutex.h | -rw-r--r-- | 120 bytes |
| locking-selftest-rlock-hardirq.h | -rw-r--r-- | 74 bytes |
| locking-selftest-rlock-softirq.h | -rw-r--r-- | 74 bytes |
| locking-selftest-rlock.h | -rw-r--r-- | 158 bytes |
| locking-selftest-rsem.h | -rw-r--r-- | 163 bytes |
| locking-selftest-softirq.h | -rw-r--r-- | 207 bytes |
| locking-selftest-spin-hardirq.h | -rw-r--r-- | 73 bytes |
| locking-selftest-spin-softirq.h | -rw-r--r-- | 73 bytes |
| locking-selftest-spin.h | -rw-r--r-- | 118 bytes |
| locking-selftest-wlock-hardirq.h | -rw-r--r-- | 74 bytes |
| locking-selftest-wlock-softirq.h | -rw-r--r-- | 74 bytes |
| locking-selftest-wlock.h | -rw-r--r-- | 158 bytes |
| locking-selftest-wsem.h | -rw-r--r-- | 163 bytes |
| locking-selftest.c | -rw-r--r-- | 28.6 KB |
| lru_cache.c | -rw-r--r-- | 14.6 KB |
| md5.c | -rw-r--r-- | 3.7 KB |
| nlattr.c | -rw-r--r-- | 12.3 KB |
| parser.c | -rw-r--r-- | 6.1 KB |
| pci_iomap.c | -rw-r--r-- | 1.4 KB |
| percpu_counter.c | -rw-r--r-- | 5.1 KB |
| plist.c | -rw-r--r-- | 4.7 KB |
| prio_heap.c | -rw-r--r-- | 1.4 KB |
| prio_tree.c | -rw-r--r-- | 11.8 KB |
| proportions.c | -rw-r--r-- | 9.3 KB |
| radix-tree.c | -rw-r--r-- | 38.7 KB |
| random32.c | -rw-r--r-- | 3.9 KB |
| ratelimit.c | -rw-r--r-- | 1.5 KB |
| rational.c | -rw-r--r-- | 1.5 KB |
| rbtree.c | -rw-r--r-- | 10.1 KB |
| reciprocal_div.c | -rw-r--r-- | 218 bytes |
| rwsem-spinlock.c | -rw-r--r-- | 7.0 KB |
| rwsem.c | -rw-r--r-- | 8.1 KB |
| scatterlist.c | -rw-r--r-- | 12.7 KB |
| sha1.c | -rw-r--r-- | 6.1 KB |
| show_mem.c | -rw-r--r-- | 1.3 KB |
| smp_processor_id.c | -rw-r--r-- | 1.1 KB |
| sort.c | -rw-r--r-- | 2.5 KB |
| spinlock_debug.c | -rw-r--r-- | 6.8 KB |
| stmp_device.c | -rw-r--r-- | 2.1 KB |
| string.c | -rw-r--r-- | 16.2 KB |
| string_helpers.c | -rw-r--r-- | 1.7 KB |
| strncpy_from_user.c | -rw-r--r-- | 2.9 KB |
| strnlen_user.c | -rw-r--r-- | 3.6 KB |
| swiotlb.c | -rw-r--r-- | 25.6 KB |
| syscall.c | -rw-r--r-- | 2.4 KB |
| test-kstrtox.c | -rw-r--r-- | 17.4 KB |
| textsearch.c | -rw-r--r-- | 9.6 KB |
| timerqueue.c | -rw-r--r-- | 3.1 KB |
| ts_bm.c | -rw-r--r-- | 5.3 KB |
| ts_fsm.c | -rw-r--r-- | 10.6 KB |
| ts_kmp.c | -rw-r--r-- | 4.3 KB |
| uuid.c | -rw-r--r-- | 1.4 KB |
| vsprintf.c | -rw-r--r-- | 51.0 KB |
Computing file changes ...
