tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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Merge tag 'printk-for-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk fix from Petr Mladek:

- Prevent scheduling in an atomic context when printk() takes over the
console flushing duty

* tag 'printk-for-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk: Update @console_may_schedule in console_trylock_spinning()

Linus Torvalds 7033999e 576bb2d8

+6
+6
kernel/printk/printk.c
··· 2009 2009 */ 2010 2010 mutex_acquire(&console_lock_dep_map, 0, 1, _THIS_IP_); 2011 2011 2012 + /* 2013 + * Update @console_may_schedule for trylock because the previous 2014 + * owner may have been schedulable. 2015 + */ 2016 + console_may_schedule = 0; 2017 + 2012 2018 return 1; 2013 2019 } 2014 2020