Re: [PATCH] futex: Drop now unnecessary check in exit_pi_state()

2017-11-06 Thread Peter Zijlstra
On Fri, Nov 03, 2017 at 05:30:28PM -0500, Julia Cartwright wrote: > This check was an attempt to protect against a race with put_pi_state() > by ensuring that the pi_state_list was consistent across the > unlock/lock of pi_lock. > > However, as of commit 153fbd1226fb3 ("futex: Fix more put_pi_stat

[PATCH] futex: Drop now unnecessary check in exit_pi_state()

2017-11-03 Thread Julia Cartwright
This check was an attempt to protect against a race with put_pi_state() by ensuring that the pi_state_list was consistent across the unlock/lock of pi_lock. However, as of commit 153fbd1226fb3 ("futex: Fix more put_pi_state() vs. exit_pi_state_list() races"), this check is no longer necessary beca