On (20/07/21 00:05), Pavel Machek wrote:
> > From: Sergey Senozhatsky
> >
> > commit ab6f762f0f53162d41497708b33c9a3236d3609e upstream.
> >
[..]
>
> Is this still needed in 4.19? 1b710b1b10ef was reverted in 4.19, so
> there should not be any user-visible problems...
printk_deferred() is
Hi!
> From: Sergey Senozhatsky
>
> commit ab6f762f0f53162d41497708b33c9a3236d3609e upstream.
>
> printk_deferred(), similarly to printk_safe/printk_nmi, does not
> immediately attempt to print a new message on the consoles, avoiding
> calls into non-reentrant kernel paths, e.g. scheduler or
From: Sergey Senozhatsky
commit ab6f762f0f53162d41497708b33c9a3236d3609e upstream.
printk_deferred(), similarly to printk_safe/printk_nmi, does not
immediately attempt to print a new message on the consoles, avoiding
calls into non-reentrant kernel paths, e.g. scheduler or timekeeping,
which
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