Re: Is it possible to implement interrupt time printk's reliably?

From: James Simmons
Date: Mon May 10 2004 - 16:57:55 EST

> So how do printk's work in the very early boot? Is the video card active before
> the kernel probes it's module, or are these very early printk's being queued
> until the video driver is probed?

printk messages are stored in log_buf in printk.c. The console driver just
reads the buffer and displays what is in the buffer. Look at printk.c

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