[OpenWrt-Devel] [PATCH] ipq40xx: essedma: Fix dead lock
chunkeey at gmail.com
Sun Oct 20 07:07:18 EDT 2019
On Sunday, October 20, 2019 11:39:41 AM CEST John Crispin wrote:
> On 01/10/2019 11:59, Masafumi UTSUGI wrote:
> > edma_read_append_stats() is called from kernel timer
> > (Bottom half context) but it used spin_lock() to take a lock.
> > Using ethtool command rarely causes deadlock because of this.
> > Change lock function to spin_lock_bh() to avoid this.
> patch looks good, could you please rebase it for v4.19 and merge the fix
> directly into the essedma patch ?
Oh, I've already done that yesterday?
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