Hi Mike,
Thanks for reporting this problem with my patch.
To be honest I'm possibly out of my depth here. I gather doing things
like sleeping and memory allocation are a big no-no when under spin_lock
and I take your point that it is not realistic to expect all the
callouts from the various ui
Hi Hamish,
I am hitting a regression with your patch:
commit a93e7b331568227500186a465fee3c2cb5dffd1f
Author: Hamish Martin
Date: Mon May 14 13:32:23 2018 +1200
uio: Prevent device destruction while fds are open
The problem is the addition of spin_lock_irqsave in uio_write. This
leads to
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