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
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