linux/arch
Linus Torvalds 7f3d08b255 printk changes for 5.13
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Merge tag 'printk-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk updates from Petr Mladek:

 - Stop synchronizing kernel log buffer readers by logbuf_lock. As a
   result, the access to the buffer is fully lockless now.

   Note that printk() itself still uses locks because it tries to flush
   the messages to the console immediately. Also the per-CPU temporary
   buffers are still there because they prevent infinite recursion and
   serialize backtraces from NMI. All this is going to change in the
   future.

 - kmsg_dump API rework and cleanup as a side effect of the logbuf_lock
   removal.

 - Make bstr_printf() aware that %pf and %pF formats could deference the
   given pointer.

 - Show also page flags by %pGp format.

 - Clarify the documentation for plain pointer printing.

 - Do not show no_hash_pointers warning multiple times.

 - Update Senozhatsky email address.

 - Some clean up.

* tag 'printk-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux: (24 commits)
  lib/vsprintf.c: remove leftover 'f' and 'F' cases from bstr_printf()
  printk: clarify the documentation for plain pointer printing
  kernel/printk.c: Fixed mundane typos
  printk: rename vprintk_func to vprintk
  vsprintf: dump full information of page flags in pGp
  mm, slub: don't combine pr_err with INFO
  mm, slub: use pGp to print page flags
  MAINTAINERS: update Senozhatsky email address
  lib/vsprintf: do not show no_hash_pointers message multiple times
  printk: console: remove unnecessary safe buffer usage
  printk: kmsg_dump: remove _nolock() variants
  printk: remove logbuf_lock
  printk: introduce a kmsg_dump iterator
  printk: kmsg_dumper: remove @active field
  printk: add syslog_lock
  printk: use atomic64_t for devkmsg_user.seq
  printk: use seqcount_latch for clear_seq
  printk: introduce CONSOLE_LOG_MAX
  printk: consolidate kmsg_dump_get_buffer/syslog_print_all code
  printk: refactor kmsg_dump_get_buffer()
  ...
2021-04-27 18:09:44 -07:00
..
alpha
arc
arm spi: Updates for v5.13 2021-04-26 16:32:11 -07:00
arm64 CFI on arm64 series for v5.13-rc1 2021-04-27 10:16:46 -07:00
csky csky: change a Kconfig symbol name to fix e1000 build error 2021-04-16 16:10:36 -07:00
h8300
hexagon
ia64 ia64: fix discontig.c section mismatches 2021-04-16 16:10:37 -07:00
m68k m68k: sun3x: Remove unneeded semicolon 2021-04-19 12:11:55 +02:00
microblaze
mips The usual updates from the irq departement: 2021-04-26 09:43:16 -07:00
nds32 nds32: flush_dcache_page: use page_mapping_file to avoid races with swapoff 2021-04-09 14:54:23 -07:00
nios2
openrisc
parisc
powerpc printk changes for 5.13 2021-04-27 18:09:44 -07:00
riscv riscv: keep interrupts disabled for BREAKPOINT exception 2021-04-15 21:32:40 -07:00
s390 s390 updates for 5.13 merge window 2021-04-27 17:54:15 -07:00
sh
sparc asm-generic/io.h: Add a non-posted variant of ioremap() 2021-04-08 20:18:38 +09:00
um printk changes for 5.13 2021-04-27 18:09:44 -07:00
x86 - turn the stack canary into a normal __percpu variable on 32-bit which 2021-04-27 17:45:09 -07:00
xtensa
.gitignore
Kconfig CFI on arm64 series for v5.13-rc1 2021-04-27 10:16:46 -07:00