• Linus Torvalds's avatar
    Merge tag 'printk-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk · d75ae5bd
    Linus Torvalds authored
    Pull printk updates from Petr Mladek:
     - Help userspace log daemons to catch up with a flood of messages. They
       will get woken after each message even if the console is far behind
       and handled by another process.
     - Flush printk safe buffers safely even when panic() happens in the
       normal context.
     - Fix possible va_list reuse when race happened in printk_safe().
     - Remove %pCr printf format to prevent sleeping in the atomic context.
     - Misc vsprintf code cleanup.
    * tag 'printk-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk:
      printk: drop in_nmi check from printk_safe_flush_on_panic()
      lib/vsprintf: Remove atomic-unsafe support for %pCr
      serial: sh-sci: Stop using printk format %pCr
      thermal: bcm2835: Stop using printk format %pCr
      clk: renesas: cpg-mssr: Stop using printk format %pCr
      printk: fix possible reuse of va_list variable
      printk: wake up klogd in vprintk_emit
      vsprintf: Tweak pF/pf comment
      lib/vsprintf: Mark expected switch fall-through
      lib/vsprintf: Replace space with '_' before crng is ready
      lib/vsprintf: Deduplicate pointer_string()
      lib/vsprintf: Move pointer_string() upper
      lib/vsprintf: Make flag_spec global
      lib/vsprintf: Make strspec global
      lib/vsprintf: Make dec_spec global
      lib/test_printf: Mark big constant with UL
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