[PATCH] printk: add support for lockless ringbuffer
horms at verge.net.au
Mon Nov 30 11:34:48 EST 2020
On Wed, Nov 25, 2020 at 11:26:59PM +0106, John Ogness wrote:
> Linux 5.10 moved to a new lockless ringbuffer. The new ringbuffer
> is structured completely different to the previous iterations.
> Add support for retrieving the ringbuffer using vmcoreinfo. The
> new ringbuffer is detected based on the availability of the
> "prb" symbol.
> Signed-off-by: John Ogness <john.ogness at linutronix.de>
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