Re: x86 PAT errata

2001-01-25 Thread Jeff Hartmann
H. Peter Anvin wrote: > Followup to: <[EMAIL PROTECTED]> > By author:Mikael Pettersson <[EMAIL PROTECTED]> > In newsgroup: linux.dev.kernel > >> Before people get too exited about the x86 Page Attribute Table ... >> Does Linux use mode B (CR4.PSE=1) or mode C (CR4.PAE=1) paging? >> If so, k

Re: x86 PAT errata

2001-01-25 Thread H. Peter Anvin
Followup to: <[EMAIL PROTECTED]> By author:Mikael Pettersson <[EMAIL PROTECTED]> In newsgroup: linux.dev.kernel > > Before people get too exited about the x86 Page Attribute Table ... > Does Linux use mode B (CR4.PSE=1) or mode C (CR4.PAE=1) paging? > If so, known P6 errata must be taken into

Re: x86 PAT errata

2001-01-25 Thread Mikael Pettersson
Jeff Hartmann wrote: > > Before people get too exited about the x86 Page Attribute Table ... > > Does Linux use mode B (CR4.PSE=1) or mode C (CR4.PAE=1) paging? > > If so, known P6 errata must be taken into account. > > In particular, Pentium III errata E27 and Pentium II errata A56 > > imply that

Re: x86 PAT errata

2001-01-25 Thread Jeff Hartmann
Mikael Pettersson wrote: > Before people get too exited about the x86 Page Attribute Table ... > Does Linux use mode B (CR4.PSE=1) or mode C (CR4.PAE=1) paging? > If so, known P6 errata must be taken into account. > In particular, Pentium III errata E27 and Pentium II errata A56 > imply that only

x86 PAT errata

2001-01-25 Thread Mikael Pettersson
Before people get too exited about the x86 Page Attribute Table ... Does Linux use mode B (CR4.PSE=1) or mode C (CR4.PAE=1) paging? If so, known P6 errata must be taken into account. In particular, Pentium III errata E27 and Pentium II errata A56 imply that only the low four PAT entries are workin