Messages in this thread | ![/](/images/icornerl.gif) | | From | Kirill Korotaev <> | Subject | Re: [announce, patch] 4G/4G split on x86, 64 GB RAM (and more) support | Date | Thu, 10 Jul 2003 16:33:06 +0400 |
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Hi!
> I haven't read the patches, but this caught my attention. > > Wasn't the use of cr3 there to ensure that we used the right page tables > when fixing up page faults occuring in the middle of a context switch for > interrupt handlers in kernel modules? When 4gb split is used cr3 always(!) points to swapper pgdir when kernel code is executing, so it is not an issue.
Kirill
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