On 08/21/2015 10:30, Julian Elischer wrote: > On 8/21/15 11:25 PM, Adrian Chadd wrote: >> Ah, cool. I'll give it a whirl. >> >> I'm a little worried about having all of the other cores spinning in >> this case (mostly thermal; the machines get VERY LOUD when the CPUs >> are spinning..) >> > make each spin with the pause instruction.. and for N seconds (N being the > CPU ID) or something
The patch (at the link below) does use the pause instruction. The CPU has to spin as long as any CPU is in the debugger. >> On 21 August 2015 at 08:19, Eric van Gyzen <vangy...@freebsd.org> wrote: >>> I mentioned this to Adrian, but I'll mention here for everyone else's >>> benefit. >>> >>> Ryan is exactly right. There was a thread a while ago, with a proposed >>> patch from Kostik: >>> >>> https://lists.freebsd.org/pipermail/freebsd-arch/2014-July/015584.html >>> _______________________________________________ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
