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Merge branch 'x86/mm' into x86/core

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This commit is contained in:
Ingo Molnar
2009-03-05 21:49:35 +01:00
parent caab36b593 ed26dbe5ae
commit 28e93a005b
13 changed files with 472 additions and 491 deletions
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25
arch/x86/kernel/mpparse.c
View File

@@ -558,6 +558,19 @@ static inline void __init construct_default_ISA_mptable(int mpc_default_type)
static struct mpf_intel *mpf_found;
static unsigned long __init get_mpc_size(unsigned long physptr)
{
struct mpc_table *mpc;
unsigned long size;
mpc = early_ioremap(physptr, PAGE_SIZE);
size = mpc->length;
early_iounmap(mpc, PAGE_SIZE);
apic_printk(APIC_VERBOSE, " mpc: %lx-%lx\n", physptr, physptr + size);
return size;
}
/*
* Scan the memory blocks for an SMP configuration block.
*/
@@ -611,12 +624,16 @@ static void __init __get_smp_config(unsigned int early)
construct_default_ISA_mptable(mpf->feature1);
} else if (mpf->physptr) {
struct mpc_table *mpc;
unsigned long size;
size = get_mpc_size(mpf->physptr);
mpc = early_ioremap(mpf->physptr, size);
/*
* Read the physical hardware table. Anything here will
* override the defaults.
*/
if (!smp_read_mpc(phys_to_virt(mpf->physptr), early)) {
if (!smp_read_mpc(mpc, early)) {
#ifdef CONFIG_X86_LOCAL_APIC
smp_found_config = 0;
#endif
@@ -624,8 +641,10 @@ static void __init __get_smp_config(unsigned int early)
"BIOS bug, MP table errors detected!...\n");
printk(KERN_ERR "... disabling SMP support. "
"(tell your hw vendor)\n");
early_iounmap(mpc, size);
return;
}
early_iounmap(mpc, size);
if (early)
return;
@@ -697,10 +716,10 @@ static int __init smp_scan_config(unsigned long base, unsigned long length,
if (!reserve)
return 1;
reserve_bootmem_generic(virt_to_phys(mpf), PAGE_SIZE,
reserve_bootmem_generic(virt_to_phys(mpf), sizeof(*mpf),
BOOTMEM_DEFAULT);
if (mpf->physptr) {
unsigned long size = PAGE_SIZE;
unsigned long size = get_mpc_size(mpf->physptr);
#ifdef CONFIG_X86_32
/*
* We cannot access to MPC table to compute

4
arch/x86/kernel/setup.c
View File

@@ -202,7 +202,9 @@ struct ist_info ist_info;
#endif
#else
struct cpuinfo_x86 boot_cpu_data __read_mostly;
struct cpuinfo_x86 boot_cpu_data __read_mostly = {
.x86_phys_bits = MAX_PHYSMEM_BITS,
};
EXPORT_SYMBOL(boot_cpu_data);
#endif