Hi, Greg, I have backported and tested it to 4.9 and 4.4: https://patchwork.linux-mips.org/patch/19862/ https://patchwork.linux-mips.org/patch/19863/ Huacai ------------------ Original ------------------ From: "Greg Kroah-Hartman"<gregkh@xxxxxxxxxxxxxxxxxxx>; Date: Tue, Jul 17, 2018 02:34 AM To: "陈华才"<chenhc@xxxxxxxxxx>; Cc: "linux-kernel"<linux-kernel@xxxxxxxxxxxxxxx>; "stable"<stable@xxxxxxxxxxxxxxx>; "Paul Burton"<paul.burton@xxxxxxxx>; "James Hogan"<jhogan@xxxxxxxxxx>; Subject: Re: [PATCH 4.9 03/32] MIPS: Use async IPIsforarch_trigger_cpumask_backtrace() On Mon, Jul 16, 2018 at 12:46:21PM +0200, Greg Kroah-Hartman wrote: > On Mon, Jul 16, 2018 at 05:46:12PM +0800, 陈华才 wrote: > > Just change "call_single_data_t" to "struct call_single_data" and everything is OK. > > Ok, I've done that now, thanks. And I messed it up. So I've just dropped it entirely. Can someone send me a properly backported patch please? thanks, greg k-h