On 6/26/19 1:59 PM, Douglas Anderson wrote: > Some debug code suggested by Paolo was tripping when I did reboot > stress tests. Specifically in bfq_bfqq_resume_state() > "bic->saved_wr_start_at_switch_to_srt" was later than the current > value of "jiffies". A bit of debugging showed that > "bic->saved_wr_start_at_switch_to_srt" was actually 0 and a bit more > debugging showed that was because we had run through the "unlikely" > case in the bfq_bfqq_save_state() function. > > Let's init "saved_wr_start_at_switch_to_srt" in the unlikely case to > something sane. > > NOTE: this fixes no known real-world errors. Applied, thanks. -- Jens Axboe
