Re: I486_CPU or I586_CPU in kernel config

2011-06-06 Thread Chuck Swiger
On May 30, 2011, at 4:53 PM, Warren Block wrote: On Mon, 30 May 2011, Adam Vande More wrote: Perhaps this is the one you meant? http://lists.freebsd.org/pipermail/freebsd-questions/2009-January/190568.html That's the one! Thanks! Actually the two threads touch on the same subject, and it

Re: I486_CPU or I586_CPU in kernel config

2011-06-01 Thread Warren Block
On Mon, 30 May 2011, Warren Block wrote: On Mon, 30 May 2011, Adam Vande More wrote: Perhaps this is the one you meant? http://lists.freebsd.org/pipermail/freebsd-questions/2009-January/190568.html That's the one! Thanks! Actually the two threads touch on the same subject, and it seems

Re: I486_CPU or I586_CPU in kernel config

2011-05-31 Thread b. f.
Warren Block wrote: On Mon, 30 May 2011, Adam Vande More wrote: Perhaps this is the one you meant? http://lists.freebsd.org/pipermail/freebsd-questions/2009-January/190568.html That's the one! Thanks! Actually the two threads touch on the same subject, and it seems removal of those

I486_CPU or I586_CPU in kernel config

2011-05-30 Thread Warren Block
Some time back, there was a post on one of the mailing lists that suggested it was better to leave either I486_CPU or I586_CPU enabled in a kernel config even for much newer processors. For performance reasons, AFAIR. Naturally I didn't save that post or a link to it. Can anyone find that

Re: I486_CPU or I586_CPU in kernel config

2011-05-30 Thread Adam Vande More
On Mon, May 30, 2011 at 3:35 PM, Adam Vande More amvandem...@gmail.comwrote: On Mon, May 30, 2011 at 9:50 AM, Warren Block wbl...@wonkity.com wrote: Some time back, there was a post on one of the mailing lists that suggested it was better to leave either I486_CPU or I586_CPU enabled in a

Re: I486_CPU or I586_CPU in kernel config

2011-05-30 Thread Adam Vande More
On Mon, May 30, 2011 at 9:50 AM, Warren Block wbl...@wonkity.com wrote: Some time back, there was a post on one of the mailing lists that suggested it was better to leave either I486_CPU or I586_CPU enabled in a kernel config even for much newer processors. For performance reasons, AFAIR.

Re: I486_CPU or I586_CPU in kernel config

2011-05-30 Thread Warren Block
On Mon, 30 May 2011, Adam Vande More wrote: Perhaps this is the one you meant? http://lists.freebsd.org/pipermail/freebsd-questions/2009-January/190568.html That's the one! Thanks! Actually the two threads touch on the same subject, and it seems removal of those options is still desirable

Re: I486_CPU or I586_CPU in kernel config

2011-05-30 Thread Adam Vande More
On Mon, May 30, 2011 at 6:53 PM, Warren Block wbl...@wonkity.com wrote: sys/i386/i386/support.s is mentioned, but doesn't seem to have anything explicitly specific for 586. There are some i686 entries. A test for cpu_class==CPUCLASS_586 in /sys/i386/isa/npx.c is mentioned in the thread, but