Messages in this thread | | | From | Sudip Mukherjee <> | Date | Thu, 20 Dec 2018 19:20:03 +0000 | Subject | Re: [PATCH 4.14 21/72] locking/qspinlock: Ensure node is initialised before updating prev->next |
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On Thu, Dec 20, 2018 at 3:41 PM Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote: > > On Thu, Dec 20, 2018 at 12:19:04PM +0000, Sudip Mukherjee wrote: > > Hi Greg, > > > > On Thu, Dec 20, 2018 at 9:27 AM Greg Kroah-Hartman > > <gregkh@linuxfoundation.org> wrote: > > > > > > 4.14-stable review patch. If anyone has any objections, please let me know. > > > > > > ------------------ > > > > > > commit 95bcade33a8af38755c9b0636e36a36ad3789fe6 upstream. > > > > It seems 9d4646d14d51 ("locking/qspinlock: Elide back-to-back RELEASE > > operations with smp_wmb()") is improving the fix. Is it worth to take > > this also? > > If someone could test that this really does help things out, I would be > glad to take it :)
I can test if Will shows me how to test the improvement, but it might be easier for him to test than showing me :)
-- Regards Sudip
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