Messages in this thread | | | Subject | Re: [RFC] locking/rwsem: Avoid issuing wakeup before setting the reader waiter to nil | From | Waiman Long <> | Date | Mon, 7 Jan 2019 10:35:31 -0500 |
| |
On 01/07/2019 10:31 AM, Peter Zijlstra wrote: > On Mon, Jan 07, 2019 at 09:35:09AM -0500, Waiman Long wrote: >> On 12/17/2018 08:12 AM, Yongji Xie wrote: >>> On Mon, 17 Dec 2018 at 19:37, Peter Zijlstra <peterz@infradead.org> wrote: >>>> On Mon, Dec 10, 2018 at 11:12:52PM +0800, Yongji Xie wrote: >>>>> Hi Peter, >>>>> >>>>> Please let me know If there is any progress on this issue. Thank you! >>>> Right, sorry, my brain was filled with snot and didn't want to make >>>> sense of things. >>>> >>>> I've put some patches here: >>>> >>>> git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git locking/core >>>> >>>> Could you have a look? >>> That looks good to me. Thank you! >>> >>> Thanks, >>> Yongji >> Peter, >> >> Are you planning to move the patch over to tip as the merge window has >> just closed? > Sorry; yes, probably, I just got back from a 2 week holiday and am > somewhat scrambling to remember where I left off and what all landed in > my inbox.
Happy New Year!
I have bug reports on some mysterious rwsem related hangs which I think can probably be fixed by this patch. That is why I am looking forward for it to land into the tip tree.
Thanks, Longman
| |