- * Even though this is normal, usable memory under Xen, reserve
- * ISA memory anyway because too many things think they can poke
+ * In domU, the ISA region is normal, usable memory, but we
+ * reserve ISA memory anyway because too many things poke
* about in there.
+ * In Dom0, the host E820 information can leave gaps in the
+ * ISA range, which would cause us to release those pages. To
+ * avoid this, we unconditionally reserve them here.
e820_add_region(ISA_START_ADDRESS, ISA_END_ADDRESS - ISA_START_ADDRESS,
-- Package-specific info:
** Kernel log: boot messages should be attached
I can send a video if you want, but I can tell that the patch works.
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