Re: [PATCH v4 00/11] x86/microcode: Early load microcode

2012-12-21 Thread Borislav Petkov
On Fri, Dec 21, 2012 at 03:09:48PM +, Yu, Fenghua wrote: > > Why loading microcode this early is important? Why it is bad to load > > it at the end of (initial) boot? > > > If not loading microcode early, we may hit some issues (e.g. PSE on > Atom) and disable some CPU features. These issues ca

RE: [PATCH v4 00/11] x86/microcode: Early load microcode

2012-12-21 Thread Yu, Fenghua
nux- > kernel; x86 > Subject: Re: [PATCH v4 00/11] x86/microcode: Early load microcode > > On 20.12.2012 23:48, Fenghua Yu wrote: > > From: Fenghua Yu > > > > The problem in current microcode loading method is that we load a > microcode way, > > way too late; ideal

Re: [PATCH v4 00/11] x86/microcode: Early load microcode

2012-12-21 Thread Michael Tokarev
On 20.12.2012 23:48, Fenghua Yu wrote: > From: Fenghua Yu > > The problem in current microcode loading method is that we load a microcode > way, > way too late; ideally we should load it before turning paging on. This may > only > be practical on 32 bits since we can't get to 64-bit mode witho