Messages in this thread | | | Date | Thu, 4 Apr 2013 11:30:47 -0700 | From | Tejun Heo <> | Subject | Re: [PATCH v2 06/20] x86, ACPI: Store override acpi tables phys addr in cpio files info array |
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On Thu, Apr 04, 2013 at 11:27:42AM -0700, Tejun Heo wrote: > > + /* > > + * have to use unsigned long, otherwise 32bit spit warning > > + * and it is ok to unsigned long, as bootloader would not > > + * load initrd above 4G for 32bit kernel. > > + */ > > + unsigned long addr = (unsigned long)acpi_initrd_files[no].data; > > I can't say I like this. It's stuffing phys_addr_t into void *. It > might work okay but the code is a bit misleading / confusing. "void > *" shouldn't contain a physical address. Maybe the alternatives are > uglier, I don't know. If you can think of a reasonable way to not do > this, it would be great.
Also the comment contradicts with what you wrote in the next patch.
Boot loader could load initrd above max_low_pfn.
Hmmm?
-- tejun
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