svn commit: r357291 - in head/sys/dev: bwi bwn ipw iwi iwm iwn malo mwl ral rtwn/pci wi wpi wtap

[Gleb Smirnoff]

On Thu, Jan 30, 2020 at 10:28:01AM +0000, Hans Petter Selasky wrote:
H> Author: hselasky
H> Date: Thu Jan 30 10:28:01 2020
H> New Revision: 357291
H> URL: https://svnweb.freebsd.org/changeset/base/357291
H> 
H> Log:
H>   Widen EPOCH(9) usage in PCI WLAN drivers.
H>   
H>   Make sure all occurrences of ieee80211_input_xxx() in sys/dev are
H>   covered by a network epoch section. Do not depend on the interrupt
H>   handler nor any taskqueues being in a network epoch section.
H>   
H>   This patch should unbreak the PCI WLAN drivers after r357004.
H>   
H>   Pointy hat:	glebius@
H>   Sponsored by:	Mellanox Technologies

Just looking at the very first driver in the patch - bwi.

Why do you call it "broken"? It doesn't need any "unbreaking after r357004".
Can you please show me a callgraph where epoch_enter you added to bwi_intr()
will not be unnecessary?

-- 
Gleb Smirnoff