Messages in this thread | | | Date | Thu, 24 Sep 2020 12:28:22 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH] x86/irq: Use printk_deferred() on raw_spin_lock() protected sections |
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On Mon, Sep 21, 2020 at 06:22:12PM +0200, Daniel Bristot de Oliveira wrote: > While testing hotplug I got this BUG:
> > It was caused by printk() inside a code section protected by a > raw_spin_lock() that ended up calling a serial console that > uses a regular spin_lock(). > > Use the printk_deferred() to avoid calling the serial console > in a raw_spin_lock() protected section.
I consider printk_deferred() to be a bug, can't we just wait for the new printk implementation to land so we don't need all this nonsense?
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