On Tue, Apr 03, 2007 at 03:55:32PM +0200, Bernhard Kaindl wrote: > PS: I attached a program which uses msr.ko (CONFIG_X86_MSR) from > Processor type and features > -> [M/*] /dev/cpu/*/msr - Model-specific register support > to dump the contents of the fixed-range MTTRs to stdout. > > On a two-CPU system, the output format looks like this: > > MSR 0x250: 1e1e1e1e1e1e1e1e | 0606060606060606 | > MSR 0x258: 1e1e1e1e1e1e1e1e | 0606060606060606 | > MSR 0x259: 0000000000000000 | 0000000000000000 | > MSR 0x268: 1515151515151515 | 0505050505050505 | > MSR 0x269: 1515151515151515 | 0505050505050505 | > MSR 0x26a: 0000000000000000 | 0000000000000000 | > MSR 0x26b: 0000000000000000 | 0000000000000000 | > MSR 0x26c: 1515151500000000 | 0505050500000000 | > MSR 0x26d: 1515151515151515 | 0505050505050505 | > MSR 0x26e: 1515151515151515 | 0505050505050505 | > MSR 0x26f: 1515151515151515 | 0505050505050505 |
FWIW, x86info --mtrr would have done this for you :) > To have a sane MTRR setup the MTRRs of the CPUs should always > match, but this has so far not lead to problems, it seems. However, > Intel and AMD manuals tell us to keep MTRRs in sync for good reasons. Indeed. From a quick lookover, I don't see anything obviously wrong in your patches, though Jan and Andi probably remember more gory details about that code than I'll admit to. Dave -- http://www.codemonkey.org.uk - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/