printk changes for 6.14

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Merge tag 'printk-for-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk updates from Petr Mladek:

 - Prevent possible deadlocks, caused by the lock serializing per-CPU
   backtraces, by entering the deferred printk context

 - Enforce the right casting in LOG_BUF_LEN_MAX definition

* tag 'printk-for-6.14' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  printk: Defer legacy printing when holding printk_cpu_sync
  printk: Remove redundant deferred check in vprintk()
  printk: Fix signed integer overflow when defining LOG_BUF_LEN_MAX

...

This commit is contained in:

Linus Torvalds 2025-01-21 13:09:29 -08:00

parent 62de6e1685 4859bcd7a5

commit 4ca6c02227

3 changed files with 18 additions and 11 deletions

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6

kernel/printk/internal.h

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7

kernel/printk/printk.c

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16

kernel/printk/printk_safe.c

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