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-rw-r--r--arch/x86/include/asm/mpspec.h11
-rw-r--r--arch/x86/include/asm/x86_init.h2
-rw-r--r--arch/x86/kernel/apic/numaq_32.c5
-rw-r--r--arch/x86/kernel/mpparse.c44
-rw-r--r--arch/x86/kernel/setup.c10
-rw-r--r--arch/x86/kernel/visws_quirks.c2
-rw-r--r--arch/x86/mm/k8topology_64.c12
7 files changed, 22 insertions, 64 deletions
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index 79c94500c0b..644cf1a50bf 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -71,12 +71,7 @@ static inline void early_get_smp_config(void)
71 71
72static inline void find_smp_config(void) 72static inline void find_smp_config(void)
73{ 73{
74 x86_init.mpparse.find_smp_config(1); 74 x86_init.mpparse.find_smp_config();
75}
76
77static inline void early_find_smp_config(void)
78{
79 x86_init.mpparse.find_smp_config(0);
80} 75}
81 76
82#ifdef CONFIG_X86_MPPARSE 77#ifdef CONFIG_X86_MPPARSE
@@ -89,7 +84,7 @@ extern void default_mpc_oem_bus_info(struct mpc_bus *m, char *str);
89# else 84# else
90# define default_mpc_oem_bus_info NULL 85# define default_mpc_oem_bus_info NULL
91# endif 86# endif
92extern void default_find_smp_config(unsigned int reserve); 87extern void default_find_smp_config(void);
93extern void default_get_smp_config(unsigned int early); 88extern void default_get_smp_config(unsigned int early);
94#else 89#else
95static inline void early_reserve_e820_mpc_new(void) { } 90static inline void early_reserve_e820_mpc_new(void) { }
@@ -97,7 +92,7 @@ static inline void early_reserve_e820_mpc_new(void) { }
97#define default_mpc_apic_id NULL 92#define default_mpc_apic_id NULL
98#define default_smp_read_mpc_oem NULL 93#define default_smp_read_mpc_oem NULL
99#define default_mpc_oem_bus_info NULL 94#define default_mpc_oem_bus_info NULL
100#define default_find_smp_config x86_init_uint_noop 95#define default_find_smp_config x86_init_noop
101#define default_get_smp_config x86_init_uint_noop 96#define default_get_smp_config x86_init_uint_noop
102#endif 97#endif
103 98
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 024cf3c1fd8..97e5fb4f3bd 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -26,7 +26,7 @@ struct x86_init_mpparse {
26 void (*smp_read_mpc_oem)(struct mpc_table *mpc); 26 void (*smp_read_mpc_oem)(struct mpc_table *mpc);
27 void (*mpc_oem_pci_bus)(struct mpc_bus *m); 27 void (*mpc_oem_pci_bus)(struct mpc_bus *m);
28 void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name); 28 void (*mpc_oem_bus_info)(struct mpc_bus *m, char *name);
29 void (*find_smp_config)(unsigned int reserve); 29 void (*find_smp_config)(void);
30 void (*get_smp_config)(unsigned int early); 30 void (*get_smp_config)(unsigned int early);
31}; 31};
32 32
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index efa00e2b850..9c0629ceb52 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -264,11 +264,6 @@ static void __init smp_read_mpc_oem(struct mpc_table *mpc)
264static __init void early_check_numaq(void) 264static __init void early_check_numaq(void)
265{ 265{
266 /* 266 /*
267 * Find possible boot-time SMP configuration:
268 */
269 early_find_smp_config();
270
271 /*
272 * get boot-time SMP configuration: 267 * get boot-time SMP configuration:
273 */ 268 */
274 if (smp_found_config) 269 if (smp_found_config)
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 5be95ef4ffe..35a57c963df 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -667,36 +667,18 @@ void __init default_get_smp_config(unsigned int early)
667 */ 667 */
668} 668}
669 669
670static void __init smp_reserve_bootmem(struct mpf_intel *mpf) 670static void __init smp_reserve_memory(struct mpf_intel *mpf)
671{ 671{
672 unsigned long size = get_mpc_size(mpf->physptr); 672 unsigned long size = get_mpc_size(mpf->physptr);
673#ifdef CONFIG_X86_32
674 /*
675 * We cannot access to MPC table to compute table size yet,
676 * as only few megabytes from the bottom is mapped now.
677 * PC-9800's MPC table places on the very last of physical
678 * memory; so that simply reserving PAGE_SIZE from mpf->physptr
679 * yields BUG() in reserve_bootmem.
680 * also need to make sure physptr is below than max_low_pfn
681 * we don't need reserve the area above max_low_pfn
682 */
683 unsigned long end = max_low_pfn * PAGE_SIZE;
684 673
685 if (mpf->physptr < end) { 674 reserve_early(mpf->physptr, mpf->physptr+size, "MP-table mpc");
686 if (mpf->physptr + size > end)
687 size = end - mpf->physptr;
688 reserve_bootmem_generic(mpf->physptr, size, BOOTMEM_DEFAULT);
689 }
690#else
691 reserve_bootmem_generic(mpf->physptr, size, BOOTMEM_DEFAULT);
692#endif
693} 675}
694 676
695static int __init smp_scan_config(unsigned long base, unsigned long length, 677static int __init smp_scan_config(unsigned long base, unsigned long length)
696 unsigned reserve)
697{ 678{
698 unsigned int *bp = phys_to_virt(base); 679 unsigned int *bp = phys_to_virt(base);
699 struct mpf_intel *mpf; 680 struct mpf_intel *mpf;
681 unsigned long mem;
700 682
701 apic_printk(APIC_VERBOSE, "Scan SMP from %p for %ld bytes.\n", 683 apic_printk(APIC_VERBOSE, "Scan SMP from %p for %ld bytes.\n",
702 bp, length); 684 bp, length);
@@ -717,12 +699,10 @@ static int __init smp_scan_config(unsigned long base, unsigned long length,
717 printk(KERN_INFO "found SMP MP-table at [%p] %llx\n", 699 printk(KERN_INFO "found SMP MP-table at [%p] %llx\n",
718 mpf, (u64)virt_to_phys(mpf)); 700 mpf, (u64)virt_to_phys(mpf));
719 701
720 if (!reserve) 702 mem = virt_to_phys(mpf);
721 return 1; 703 reserve_early(mem, mem + sizeof(*mpf), "MP-table mpf");
722 reserve_bootmem_generic(virt_to_phys(mpf), sizeof(*mpf),
723 BOOTMEM_DEFAULT);
724 if (mpf->physptr) 704 if (mpf->physptr)
725 smp_reserve_bootmem(mpf); 705 smp_reserve_memory(mpf);
726 706
727 return 1; 707 return 1;
728 } 708 }
@@ -732,7 +712,7 @@ static int __init smp_scan_config(unsigned long base, unsigned long length,
732 return 0; 712 return 0;
733} 713}
734 714
735void __init default_find_smp_config(unsigned int reserve) 715void __init default_find_smp_config(void)
736{ 716{
737 unsigned int address; 717 unsigned int address;
738 718
@@ -744,9 +724,9 @@ void __init default_find_smp_config(unsigned int reserve)
744 * 2) Scan the top 1K of base RAM 724 * 2) Scan the top 1K of base RAM
745 * 3) Scan the 64K of bios 725 * 3) Scan the 64K of bios
746 */ 726 */
747 if (smp_scan_config(0x0, 0x400, reserve) || 727 if (smp_scan_config(0x0, 0x400) ||
748 smp_scan_config(639 * 0x400, 0x400, reserve) || 728 smp_scan_config(639 * 0x400, 0x400) ||
749 smp_scan_config(0xF0000, 0x10000, reserve)) 729 smp_scan_config(0xF0000, 0x10000))
750 return; 730 return;
751 /* 731 /*
752 * If it is an SMP machine we should know now, unless the 732 * If it is an SMP machine we should know now, unless the
@@ -767,7 +747,7 @@ void __init default_find_smp_config(unsigned int reserve)
767 747
768 address = get_bios_ebda(); 748 address = get_bios_ebda();
769 if (address) 749 if (address)
770 smp_scan_config(address, 0x400, reserve); 750 smp_scan_config(address, 0x400);
771} 751}
772 752
773#ifdef CONFIG_X86_IO_APIC 753#ifdef CONFIG_X86_IO_APIC
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index e3eae5965e4..cdb6a8a506d 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -913,6 +913,11 @@ void __init setup_arch(char **cmdline_p)
913 913
914 early_acpi_boot_init(); 914 early_acpi_boot_init();
915 915
916 /*
917 * Find and reserve possible boot-time SMP configuration:
918 */
919 find_smp_config();
920
916#ifdef CONFIG_ACPI_NUMA 921#ifdef CONFIG_ACPI_NUMA
917 /* 922 /*
918 * Parse SRAT to discover nodes. 923 * Parse SRAT to discover nodes.
@@ -927,11 +932,6 @@ void __init setup_arch(char **cmdline_p)
927 932
928 initmem_init(0, max_pfn, acpi, k8); 933 initmem_init(0, max_pfn, acpi, k8);
929 934
930 /*
931 * Find and reserve possible boot-time SMP configuration:
932 */
933 find_smp_config();
934
935#ifdef CONFIG_X86_64 935#ifdef CONFIG_X86_64
936 /* 936 /*
937 * dma32_reserve_bootmem() allocates bootmem which may conflict 937 * dma32_reserve_bootmem() allocates bootmem which may conflict
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index f068553a1b1..1498efa964b 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -197,7 +197,7 @@ static void __init MP_processor_info(struct mpc_cpu *m)
197 apic_version[m->apicid] = ver; 197 apic_version[m->apicid] = ver;
198} 198}
199 199
200static void __init visws_find_smp_config(unsigned int reserve) 200static void __init visws_find_smp_config(void)
201{ 201{
202 struct mpc_cpu *mp = phys_to_virt(CO_CPU_TAB_PHYS); 202 struct mpc_cpu *mp = phys_to_virt(CO_CPU_TAB_PHYS);
203 unsigned short ncpus = readw(phys_to_virt(CO_CPU_NUM_PHYS)); 203 unsigned short ncpus = readw(phys_to_virt(CO_CPU_NUM_PHYS));
diff --git a/arch/x86/mm/k8topology_64.c b/arch/x86/mm/k8topology_64.c
index b9e2dbfe55c..970ed579d4e 100644
--- a/arch/x86/mm/k8topology_64.c
+++ b/arch/x86/mm/k8topology_64.c
@@ -57,18 +57,6 @@ static __init void early_get_boot_cpu_id(void)
57 * need to get boot_cpu_id so can use that to create apicid_to_node 57 * need to get boot_cpu_id so can use that to create apicid_to_node
58 * in k8_scan_nodes() 58 * in k8_scan_nodes()
59 */ 59 */
60 /*
61 * Find possible boot-time SMP configuration:
62 */
63#ifdef CONFIG_X86_MPPARSE
64 early_find_smp_config();
65#endif
66#ifdef CONFIG_ACPI
67 /*
68 * Read APIC information from ACPI tables.
69 */
70 early_acpi_boot_init();
71#endif
72#ifdef CONFIG_X86_MPPARSE 60#ifdef CONFIG_X86_MPPARSE
73 /* 61 /*
74 * get boot-time SMP configuration: 62 * get boot-time SMP configuration: