diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/mpparse_64.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kernel/mpparse_64.c b/arch/x86/kernel/mpparse_64.c index fb74135f9d0e..19c826485516 100644 --- a/arch/x86/kernel/mpparse_64.c +++ b/arch/x86/kernel/mpparse_64.c @@ -640,11 +640,13 @@ static void __init __find_smp_config(unsigned reserve) * trustworthy, simply because the SMP table may have been * stomped on during early boot. These loaders are buggy and * should be fixed. + * + * MP1.4 SPEC states to only scan first 1K of 4K EBDA. */ address = get_bios_ebda(); if (address) - smp_scan_config(address, 0x1000, reserve); + smp_scan_config(address, 0x400, reserve); } void __init early_find_smp_config(void) |