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For the write_atomic callback, the console driver may have unsafe regions that need to be appropriately marked. Provide functions that accept the nbcon_write_context struct to allow for the driver to enter and exit unsafe regions. Also provide a function for drivers to check if they are still the owner of the console. Co-developed-by: John Ogness <john.ogness@linutronix.de> Signed-off-by: John Ogness <john.ogness@linutronix.de> Signed-off-by: Thomas Gleixner (Intel) <tglx@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20230916192007.608398-9-john.ogness@linutronix.de |
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.. | ||
braille.c | ||
braille.h | ||
console_cmdline.h | ||
index.c | ||
internal.h | ||
Makefile | ||
nbcon.c | ||
printk.c | ||
printk_ringbuffer.c | ||
printk_ringbuffer.h | ||
printk_safe.c | ||
sysctl.c |