x86: kill bad_ppro

Index: linux-2.6/arch/x86/kernel/setup_32.c
===================================================================
@@ -69,6 +69,7 @@
 #include <asm/cacheflush.h>
 #include <asm/processor.h>
 #include <asm/efi.h>
+#include <asm/bugs.h>
 
 /* This value is set up by the early boot code to point to the value
    immediately after the boot time page tables.  It contains a *physical*

@@ -776,6 +777,14 @@ void __init setup_arch(char **cmdline_p)
 	if (efi_enabled)
 		efi_init();
 
+	if (ppro_with_ram_bug()) {
+		e820_update_range(0x70000000ULL, 0x40000ULL, E820_RAM,
+				  E820_RESERVED);
+		sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
+		printk(KERN_INFO "fixed physical RAM map:\n");
+		e820_print_map("bad_ppro");
+	}
+
 	e820_register_active_regions(0, 0, -1UL);
 	/*
 	 * partially used pages are not usable - thus

Index: linux-2.6/arch/x86/mm/discontig_32.c
===================================================================
@@ -405,7 +405,7 @@ void __init zone_sizes_init(void)
 	return;
 }
 
-void __init set_highmem_pages_init(int bad_ppro) 
+void __init set_highmem_pages_init(void)
 {
 #ifdef CONFIG_HIGHMEM
 	struct zone *zone;

@@ -425,7 +425,7 @@ void __init set_highmem_pages_init(int b
 				zone->name, nid, zone_start_pfn, zone_end_pfn);
 
 		add_highpages_with_active_regions(nid, zone_start_pfn,
-				 zone_end_pfn, bad_ppro);
+				 zone_end_pfn);
 	}
 	totalram_pages += totalhigh_pages;
 #endif

113 lines not on this page · raw message

Index: linux-2.6/include/asm-x86/highmem.h
===================================================================
@@ -75,7 +75,7 @@ struct page *kmap_atomic_to_page(void *p
 #define flush_cache_kmaps()	do { } while (0)
 
 extern void add_highpages_with_active_regions(int nid, unsigned long start_pfn,
-					unsigned long end_pfn, int bad_ppro);
+					unsigned long end_pfn);
 
 #endif /* __KERNEL__ */
 

Index: linux-2.6/include/asm-x86/numa_32.h
===================================================================
@@ -6,7 +6,7 @@ extern void numa_remove_cpu(int cpu);
 
 #ifdef CONFIG_NUMA
 extern void __init remap_numa_kva(void);
-extern void set_highmem_pages_init(int);
+extern void set_highmem_pages_init(void);
 #else
 static inline void remap_numa_kva(void)
 {