Messages in this thread | | | Subject | Re: [PATCH][2.6][2/5]Support for HPET based timer | From | Andi Kleen <> | Date | 20 Aug 2003 12:01:13 +0200 |
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Vojtech Pavlik <vojtech@suse.cz> writes:
> On Tue, Aug 19, 2003 at 05:18:50PM -0700, Pallipadi, Venkatesh wrote: > > > Fixmap is for HPET memory map address access. As the timer > > initialization happen > > early in the boot sequence (before vm initialization), we need to have > > fixmap() > > and fix_to_virt() to access HPET memory map address. > > Ahh, yes, you're right. You can't use ioremap at that time. Actually I > did the same on x86_64 not only because of vsyscalls.
iirc i386 has an ioremap_early or somesuch.
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