> On 02 July 2018 at 09:29 Greg KH <greg@xxxxxxxxx> wrote: > > > On Mon, Jul 02, 2018 at 08:58:16AM +0100, Justin Skists wrote: > > > > > On 01 July 2018 at 13:44 bing zhu <zhubohong12@xxxxxxxxx> wrote: > > > > > > > > > Dear Sir/Ma'am > > > Thank you for your time ,i'm a student new to linux kernel.at present ,i'd > > > like to create a kernel thread > > > say use kthread_create func ,my question is :how can i make this thread to > > > run on a cpu and never get switched or scheduled , there is a > > > while(1).....structure in that thread i need it to do work . at present i > > > comes with errors like "NMI watchdog: BUG: soft lockup - CPU#0 stuck for > > > 23s! [test thread :1881]",i understand there is a watchdog but is there > > > anyway i can feed the dog myself and let my thread have cpu as much as i > > > want ? > > > > Yowsers! Why would you want to do that? The whole idea of a watchdog is > > to prevent threads hogging the CPU for a long time. Linux is a multi-user, > > multi-process, pre-emptive operating system. It needs to share. :-) > > Not true, Linux can take a cpu, remove itself from it, and run a single > process if needed, just fine. It's a great operating system for such a > thing. Hmm. Interesting. Looks like I've got more reading to do. :-) Thanks, Justin. _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
