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| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-06-16 16:11:08 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 10:38:19 +0200 |
| commit | cc9f7a0ccf000d4db5fbdc7b0ae48eefea102f69 (patch) | |
| tree | 582125558bf4975446ae76f35b297bf4ce864bc1 /arch/x86/kernel/setup_32.c | |
| parent | 41c094fd3ca54f1a71233049cf136ff94c91f4ae (diff) | |
x86: kill bad_ppro
so don't punish all other cpus without that problem when init highmem
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/setup_32.c')
| -rw-r--r-- | arch/x86/kernel/setup_32.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c index f3ddba5ed9a7..9692aeb8ecae 100644 --- a/arch/x86/kernel/setup_32.c +++ b/arch/x86/kernel/setup_32.c @@ -68,6 +68,7 @@ #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* @@ -764,6 +765,14 @@ 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 |