diff options
Diffstat (limited to 'arch/x86/kernel/mpparse.c')
-rw-r--r-- | arch/x86/kernel/mpparse.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index 8b6b1e05c30..3b25e49380c 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -726,12 +726,22 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type) static struct intel_mp_floating *mpf_found; /* + * Machine specific quirk for finding the SMP config before other setup + * activities destroy the table: + */ +int (*mach_get_smp_config_quirk)(unsigned int early); + +/* * Scan the memory blocks for an SMP configuration block. */ -static void __init __get_smp_config(unsigned early) +static void __init __get_smp_config(unsigned int early) { struct intel_mp_floating *mpf = mpf_found; + if (mach_get_smp_config_quirk) { + if (mach_get_smp_config_quirk(early)) + return; + } if (acpi_lapic && early) return; /* @@ -889,10 +899,16 @@ static int __init smp_scan_config(unsigned long base, unsigned long length, return 0; } -static void __init __find_smp_config(unsigned reserve) +int (*mach_find_smp_config_quirk)(unsigned int reserve); + +static void __init __find_smp_config(unsigned int reserve) { unsigned int address; + if (mach_find_smp_config_quirk) { + if (mach_find_smp_config_quirk(reserve)) + return; + } /* * FIXME: Linux assumes you have 640K of base ram.. * this continues the error... |