Re: printk: queue wake_up_klogd irq_work only if per-CPU areas are ready

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Apr 14, 2020 at 09:06:13PM +0900, Sergey Senozhatsky wrote:
> Hello,
> 
> Commit ab6f762f0f53162d41 Linus' HEAD.
> 
> printk_deferred() does not make sure that it's safe to write to
> per-CPU data, which causes problems when printk_deferred() is
> invoked "too early", before per-CPU areas are initialized. There
> are multiple bug reports, e.g.
> https://bugzilla.kernel.org/show_bug.cgi?id=206847
> 
> 	-ss

So where do you want this commit backported to?

thanks,
greg k-h



[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux