On 05.02.2020 12:23, David Woodhouse wrote: > On Wed, 2020-02-05 at 11:49 +0100, Jan Beulich wrote: >> Yet, as you say elsewhere, whether an MFN has an >> entry in frame_table[] is entirely unclear, so permitting boot- >> allocator pages to be freed via alloc_domheap_pages() nevertheless >> still doesn't look any better an idea to me. > > Hm, I don't think I said that, did I? That would be a new and exciting > complication. > > I think every MFN handed out by the boot allocator *should* have a > corresponding entry in the frame table. All the PDX setup is done for > those pages, just as it is for heap pages. In fact, some of that setup > is *only* done in init_boot_pages() right now, and if page ranges don't > go through the boot allocator and end up being transferred to the heap > in end_boot_allocator(), things (like badpages= on the command line) > don't work right.
I guess I should have said "whether an MFN has a properly initialized entry in frame_table[] is entirely unclear". Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
