Messages in this thread | | | Subject | Re: [Fastboot] Re: [BROKEN PATCH] kexec for ia64 | From | (Eric W. Biederman) | Date | 05 Aug 2004 15:29:09 -0600 |
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"Tolentino, Matthew E" <matthew.e.tolentino@intel.com> writes:
> >On Wed, Aug 04, 2004 at 08:14:55PM -0600, Eric W. Biederman wrote: > >> VGA/serial console devices rarely need to do be bus masters so they > >> should be fine. > > > >yeah - you are right. I wasn't thinking. > >Can anyone comment on UGA or other console devices? > > UGA is essentially a PCI device. It uses the EFI PCI I/O > protocol which gets glued to the kernels pci layer...at least in > a prototype. > > I haven't looked at the latest kexec patch. How is it handling > the call to EFI's SetVirtualAddressMap()? Is it part of the config > associated with kexec to do efi calls in physical mode only so that > it doesn't have to contend with potential follow-on invocations > resultant from "the next" kernel's initialization?
It should be. So far all I have seen are tentative ia64 kexec patches.
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