Re: [BUG][PATCH] BIOS reserved regions block iomem registration

[Thayne Harbaugh]

> 1) Don't mark the BIOS reserved regions.  Some BIOSes don't mark these
> and the kernel works fine.  This is a trivial patch of removing the
> "reserved" line in setup.c:register_memory().  See
> remove_reserved.patch.

Er, the previous remove_reserved.patch wouldn't work.  This should be
more correct.

-- 
Thayne Harbaugh
Linux Networx
--- linux-2.4.20/arch/i386/kernel/setup.c	2002-11-28 16:53:09.000000000 -0700
+++ linux-2.4.20-bs/arch/i386/kernel/setup.c	2003-10-22 14:25:48.000000000 -0600
@@ -1042,12 +1042,14 @@
 		struct resource *res;
 		if (e820.map[i].addr + e820.map[i].size > 0x100000000ULL)
 			continue;
+		if (e820.map[i].type == E820_RESERVED)
+			continue;
 		res = alloc_bootmem_low(sizeof(struct resource));
 		switch (e820.map[i].type) {
 		case E820_RAM:	res->name = "System RAM"; break;
 		case E820_ACPI:	res->name = "ACPI Tables"; break;
 		case E820_NVS:	res->name = "ACPI Non-volatile Storage"; break;
-		default:	res->name = "reserved";
+		default:	res->name = "unknown";
 		}
 		res->start = e820.map[i].addr;
 		res->end = res->start + e820.map[i].size - 1;

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