Re: Haswell CPU Feature

2015-01-08 Thread Sean Bruno
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 01/06/15 07:48, John Baldwin wrote: > On 1/6/15 12:44 AM, Jia-Shiun Li wrote: >> On Tue, Jan 6, 2015 at 1:23 PM, Neel Natu >> wrote: >> >>> Hi Sean, >>> >>> On Mon, Jan 5, 2015 at 6:34 PM, Sean Bruno >>> wrote: I'm thinking something like

Re: Haswell CPU Feature

2015-01-06 Thread John Baldwin
On 1/6/15 12:44 AM, Jia-Shiun Li wrote: > On Tue, Jan 6, 2015 at 1:23 PM, Neel Natu wrote: > >> Hi Sean, >> >> On Mon, Jan 5, 2015 at 6:34 PM, Sean Bruno wrote: >>> I'm thinking something like this: >>> >>> Index: sys/x86/x86/identcpu.c >>> ===

Re: Haswell CPU Feature

2015-01-05 Thread Jia-Shiun Li
On Tue, Jan 6, 2015 at 1:23 PM, Neel Natu wrote: > Hi Sean, > > On Mon, Jan 5, 2015 at 6:34 PM, Sean Bruno wrote: > > I'm thinking something like this: > > > > Index: sys/x86/x86/identcpu.c > > === > > - --- sys/x86/x86/identcpu.c

Re: Haswell CPU Feature

2015-01-05 Thread Neel Natu
Hi Sean, On Mon, Jan 5, 2015 at 6:34 PM, Sean Bruno wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA512 > > On 01/05/15 17:50, Andrey Fesenko wrote: >> On Tue, Jan 6, 2015 at 4:24 AM, Sean Bruno >> wrote: >>> -BEGIN PGP SIGNED MESSAGE- Hash: SHA512 >>> >>> On 01/05/15 16:57, Neel

Re: Haswell CPU Feature

2015-01-05 Thread Sean Bruno
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 01/05/15 17:50, Andrey Fesenko wrote: > On Tue, Jan 6, 2015 at 4:24 AM, Sean Bruno > wrote: >> -BEGIN PGP SIGNED MESSAGE- Hash: SHA512 >> >> On 01/05/15 16:57, Neel Natu wrote: >>> Congratulations, you have the ability to debug the Haswe

Re: Haswell CPU Feature

2015-01-05 Thread Andrey Fesenko
On Tue, Jan 6, 2015 at 4:24 AM, Sean Bruno wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA512 > > On 01/05/15 16:57, Neel Natu wrote: >> Congratulations, you have the ability to debug the Haswell silicon >> > HA! > > Is this turned on purposefully (its a feature of the CPU) or is this > tu

Re: Haswell CPU Feature

2015-01-05 Thread Sean Bruno
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 On 01/05/15 16:57, Neel Natu wrote: > Congratulations, you have the ability to debug the Haswell silicon > HA! Is this turned on purposefully (its a feature of the CPU) or is this turned on unintentionally and is a bug in manufacturing? sean -

Re: Haswell CPU Feature

2015-01-05 Thread Neel Natu
Hi Sean, On Mon, Jan 5, 2015 at 4:46 PM, Sean Bruno wrote: > > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA512 > > "\014" > > > I don't know what this cpu feature2 flag means, but my x240 haswell > laptop has a "b11" feature2 set. > > sean > > dmesg | grep -i features > > Features=0xbfebfbff