[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] conditional clearing of dom0_l2 in i386's zap_low_mappings() ?
On 29/10/2010 07:51, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote: >> Oh I see. Well possibly. But you might still need the conditional for the >> other three slots anyway, so it wouldn't be a simplification in that case. > > I'm not after a simplification really. I'm trying to eliminate some > restrictions on initrd size (as well as possible collisions between > the various memory areas used during early boot), and in the > process I need to switch the 1:1 mapping of the first Gb to a > more flexible model (the target is x86-64, but to avoid adding > more conditionals in the Dom0 building code I prefer to do the > same to i386 too). > > I was just asking because I may need to flush out temporary > mappings in Dom0's first L2 that wouldn't match those under > idle_page_table_l2[0] (though right now I think I may get away > without having to). I'd prefer we don't mess around with the i386 boot process really. The build is obsolescent - anyone wanting big initrds should run the 64-bit build of Xen. Who doesn't have a 64b processor these days, really? -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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