---

yaml
---
r: 99747
b: refs/heads/master
c: d49c428
h: refs/heads/master
i:
  99745: 069ffa6
  99743: d42542a
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e0da33646826b66ef933d47ea2fb7a693fd849bf
+refs/heads/master: d49c4288407b2ffa8cab270cb5bc6882abe969f6

trunk/arch/x86/Kconfig

@@ -268,36 +268,6 @@ config X86_VOYAGER
 	  If you do not specifically know you have a Voyager based machine,
 	  say N here, otherwise the kernel you build will not be bootable.
 
-config X86_NUMAQ
-	bool "NUMAQ (IBM/Sequent)"
-	depends on SMP && X86_32
-	select NUMA
-	help
-	  This option is used for getting Linux to run on a (IBM/Sequent) NUMA
-	  multiquad box. This changes the way that processors are bootstrapped,
-	  and uses Clustered Logical APIC addressing mode instead of Flat Logical.
-	  You will need a new lynxer.elf file to flash your firmware with - send
-	  email to <Martin.Bligh@us.ibm.com>.
-
-config X86_SUMMIT
-	bool "Summit/EXA (IBM x440)"
-	depends on X86_32 && SMP
-	help
-	  This option is needed for IBM systems that use the Summit/EXA chipset.
-	  In particular, it is needed for the x440.
-
-	  If you don't have one of these computers, you should say N here.
-	  If you want to build a NUMA kernel, you must select ACPI.
-
-config X86_BIGSMP
-	bool "Support for other sub-arch SMP systems with more than 8 CPUs"
-	depends on X86_32 && SMP
-	help
-	  This option is needed for the systems that have more than 8 CPUs
-	  and if the system is not of any sub-arch type above.
-
-	  If you don't have such a system, you should say N here.
-
 config X86_VISWS
 	bool "SGI 320/540 (Visual Workstation)"
 	depends on X86_32
@@ -311,21 +281,49 @@ config X86_VISWS
 	  and vice versa. See <file:Documentation/sgi-visws.txt> for details.
 
 config X86_GENERICARCH
-       bool "Generic architecture (Summit, bigsmp, ES7000, default)"
+       bool "Generic architecture"
 	depends on X86_32
        help
-          This option compiles in the Summit, bigsmp, ES7000, default subarchitectures.
-	  It is intended for a generic binary kernel.
-	  If you want a NUMA kernel, select ACPI.   We need SRAT for NUMA.
+          This option compiles in the NUMAQ, Summit, bigsmp, ES7000, default
+	  subarchitectures.  It is intended for a generic binary kernel.
+	  if you select them all, kernel will probe it one by one. and will
+	  fallback to default.
+
+if X86_GENERICARCH
+
+config X86_NUMAQ
+	bool "NUMAQ (IBM/Sequent)"
+	depends on SMP && X86_32
+	select NUMA
+	help
+	  This option is used for getting Linux to run on a NUMAQ (IBM/Sequent)
+	  NUMA multiquad box. This changes the way that processors are
+	  bootstrapped, and uses Clustered Logical APIC addressing mode instead
+	  of Flat Logical.  You will need a new lynxer.elf file to flash your
+	  firmware with - send email to <Martin.Bligh@us.ibm.com>.
+
+config X86_SUMMIT
+	bool "Summit/EXA (IBM x440)"
+	depends on X86_32 && SMP
+	help
+	  This option is needed for IBM systems that use the Summit/EXA chipset.
+	  In particular, it is needed for the x440.
 
 config X86_ES7000
 	bool "Support for Unisys ES7000 IA32 series"
 	depends on X86_32 && SMP
 	help
 	  Support for Unisys ES7000 systems.  Say 'Y' here if this kernel is
 	  supposed to run on an IA32-based Unisys ES7000 system.
-	  Only choose this option if you have such a system, otherwise you
-	  should say N here.
+
+config X86_BIGSMP
+	bool "Support for big SMP systems with more than 8 CPUs"
+	depends on X86_32 && SMP
+	help
+	  This option is needed for the systems that have more than 8 CPUs
+	  and if the system is not of any sub-arch type above.
+
+endif
 
 config X86_RDC321X
 	bool "RDC R-321x SoC"
@@ -913,9 +911,9 @@ config X86_PAE
 config NUMA
 	bool "Numa Memory Allocation and Scheduler Support (EXPERIMENTAL)"
 	depends on SMP
-	depends on X86_64 || (X86_32 && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI) && EXPERIMENTAL)
+	depends on X86_64 || (X86_32 && HIGHMEM64G && (X86_NUMAQ || X86_GENERICARCH || X86_SUMMIT && ACPI) && EXPERIMENTAL)
 	default n if X86_PC
-	default y if (X86_NUMAQ || X86_SUMMIT)
+	default y if (X86_NUMAQ || X86_SUMMIT || X86_GENERICARCH)
 	help
 	  Enable NUMA (Non Uniform Memory Access) support.
 	  The kernel will try to allocate memory used by a CPU on the

trunk/arch/x86/Makefile

@@ -117,29 +117,11 @@ mcore-$(CONFIG_X86_VOYAGER)	:= arch/x86/mach-voyager/
 mflags-$(CONFIG_X86_VISWS)	:= -Iinclude/asm-x86/mach-visws
 mcore-$(CONFIG_X86_VISWS)	:= arch/x86/mach-visws/
 
-# NUMAQ subarch support
-mflags-$(CONFIG_X86_NUMAQ)	:= -Iinclude/asm-x86/mach-numaq
-mcore-$(CONFIG_X86_NUMAQ)	:= arch/x86/mach-default/
-
-# BIGSMP subarch support
-mflags-$(CONFIG_X86_BIGSMP)	:= -Iinclude/asm-x86/mach-bigsmp
-mcore-$(CONFIG_X86_BIGSMP)	:= arch/x86/mach-default/
-
-#Summit subarch support
-mflags-$(CONFIG_X86_SUMMIT)	:= -Iinclude/asm-x86/mach-summit
-mcore-$(CONFIG_X86_SUMMIT)	:= arch/x86/mach-default/
-
 # generic subarchitecture
 mflags-$(CONFIG_X86_GENERICARCH):= -Iinclude/asm-x86/mach-generic
 fcore-$(CONFIG_X86_GENERICARCH)	+= arch/x86/mach-generic/
 mcore-$(CONFIG_X86_GENERICARCH)	:= arch/x86/mach-default/
 
-
-# ES7000 subarch support
-mflags-$(CONFIG_X86_ES7000)	:= -Iinclude/asm-x86/mach-es7000
-fcore-$(CONFIG_X86_ES7000)	:= arch/x86/mach-es7000/
-mcore-$(CONFIG_X86_ES7000)	:= arch/x86/mach-default/
-
 # RDC R-321x subarch support
 mflags-$(CONFIG_X86_RDC321X)	:= -Iinclude/asm-x86/mach-rdc321x
 mcore-$(CONFIG_X86_RDC321X)	:= arch/x86/mach-default/

trunk/arch/x86/boot/compressed/misc.c

@@ -221,10 +221,6 @@ static char *vidmem;
 static int vidport;
 static int lines, cols;
 
-#ifdef CONFIG_X86_NUMAQ
-void *xquad_portio;
-#endif
-
 #include "../../../../lib/inflate.c"
 
 static void *malloc(int size)

trunk/arch/x86/kernel/acpi/boot.c

@@ -848,7 +848,7 @@ static int __init acpi_parse_madt_lapic_entries(void)
 #ifdef	CONFIG_X86_IO_APIC
 #define MP_ISA_BUS		0
 
-#if defined(CONFIG_X86_ES7000) || defined(CONFIG_X86_GENERICARCH)
+#ifdef CONFIG_X86_ES7000
 extern int es7000_plat;
 #endif
 
@@ -997,7 +997,7 @@ void __init mp_config_acpi_legacy_irqs(void)
 	set_bit(MP_ISA_BUS, mp_bus_not_pci);
 	Dprintk("Bus #%d is ISA\n", MP_ISA_BUS);
 
-#if defined(CONFIG_X86_ES7000) || defined(CONFIG_X86_GENERICARCH)
+#ifdef CONFIG_X86_ES7000
 	/*
 	 * Older generations of ES7000 have no legacy identity mappings
 	 */

trunk/arch/x86/kernel/io_apic_32.c

@@ -1722,7 +1722,6 @@ void disable_IO_APIC(void)
  * by Matt Domsch <Matt_Domsch@dell.com>  Tue Dec 21 12:25:05 CST 1999
  */
 
-#ifndef CONFIG_X86_NUMAQ
 static void __init setup_ioapic_ids_from_mpc(void)
 {
 	union IO_APIC_reg_00 reg_00;
@@ -1732,6 +1731,11 @@ static void __init setup_ioapic_ids_from_mpc(void)
 	unsigned char old_id;
 	unsigned long flags;
 
+#ifdef CONFIG_X86_NUMAQ
+	if (found_numaq)
+		return;
+#endif
+
 	/*
 	 * Don't check I/O APIC IDs for xAPIC systems.  They have
 	 * no meaning without the serial APIC bus.
@@ -1828,9 +1832,6 @@ static void __init setup_ioapic_ids_from_mpc(void)
 			apic_printk(APIC_VERBOSE, " ok.\n");
 	}
 }
-#else
-static void __init setup_ioapic_ids_from_mpc(void) { }
-#endif
 
 int no_timer_check __initdata;
 

trunk/arch/x86/kernel/mpparse.c

@@ -49,15 +49,73 @@ static int __init mpf_checksum(unsigned char *mp, int len)
 }
 
 #ifdef CONFIG_X86_NUMAQ
+int found_numaq;
 /*
  * Have to match translation table entries to main table entries by counter
  * hence the mpc_record variable .... can't see a less disgusting way of
  * doing this ....
  */
+struct mpc_config_translation {
+	unsigned char mpc_type;
+	unsigned char trans_len;
+	unsigned char trans_type;
+	unsigned char trans_quad;
+	unsigned char trans_global;
+	unsigned char trans_local;
+	unsigned short trans_reserved;
+};
+
 
 static int mpc_record;
 static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY]
     __cpuinitdata;
+
+static inline int generate_logical_apicid(int quad, int phys_apicid)
+{
+	return (quad << 4) + (phys_apicid ? phys_apicid << 1 : 1);
+}
+
+
+static inline int mpc_apic_id(struct mpc_config_processor *m,
+			struct mpc_config_translation *translation_record)
+{
+	int quad = translation_record->trans_quad;
+	int logical_apicid = generate_logical_apicid(quad, m->mpc_apicid);
+
+	printk(KERN_DEBUG "Processor #%d %u:%u APIC version %d (quad %d, apic %d)\n",
+	       m->mpc_apicid,
+	       (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
+	       (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
+	       m->mpc_apicver, quad, logical_apicid);
+	return logical_apicid;
+}
+
+int mp_bus_id_to_node[MAX_MP_BUSSES];
+
+int mp_bus_id_to_local[MAX_MP_BUSSES];
+
+static void mpc_oem_bus_info(struct mpc_config_bus *m, char *name,
+	struct mpc_config_translation *translation)
+{
+	int quad = translation->trans_quad;
+	int local = translation->trans_local;
+
+	mp_bus_id_to_node[m->mpc_busid] = quad;
+	mp_bus_id_to_local[m->mpc_busid] = local;
+	printk(KERN_INFO "Bus #%d is %s (node %d)\n",
+	       m->mpc_busid, name, quad);
+}
+
+int quad_local_to_mp_bus_id [NR_CPUS/4][4];
+static void mpc_oem_pci_bus(struct mpc_config_bus *m,
+	struct mpc_config_translation *translation)
+{
+	int quad = translation->trans_quad;
+	int local = translation->trans_local;
+
+	quad_local_to_mp_bus_id[quad][local] = m->mpc_busid;
+}
+
 #endif
 
 static void __cpuinit MP_processor_info(struct mpc_config_processor *m)
@@ -321,11 +379,11 @@ static void __init smp_read_mpc_oem(struct mp_config_oemtable *oemtable,
 	}
 }
 
-static inline void mps_oem_check(struct mp_config_table *mpc, char *oem,
+void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem,
 				 char *productid)
 {
 	if (strncmp(oem, "IBM NUMA", 8))
-		printk("Warning!  May not be a NUMA-Q system!\n");
+		printk("Warning!  Not a NUMA-Q system!\n");
 	else
 		found_numaq = 1;
 
@@ -388,7 +446,16 @@ static int __init smp_read_mpc(struct mp_config_table *mpc, unsigned early)
 		return 0;
 
 #ifdef CONFIG_X86_32
-	mps_oem_check(mpc, oem, str);
+	/*
+	 * need to make sure summit and es7000's mps_oem_check is safe to be
+	 * called early via genericarch 's mps_oem_check
+	 */
+	if (early) {
+#ifdef CONFIG_X86_NUMAQ
+		numaq_mps_oem_check(mpc, oem, str);
+#endif
+	} else
+		mps_oem_check(mpc, oem, str);
 #endif
 
 	/* save the local APIC address, it might be non-default */

trunk/arch/x86/kernel/numaq_32.c

@@ -36,8 +36,6 @@
 
 #define	MB_TO_PAGES(addr) ((addr) << (20 - PAGE_SHIFT))
 
-int found_numaq;
-
 /*
  * Function: smp_dump_qct()
  *

trunk/arch/x86/kernel/summit_32.c

@@ -36,7 +36,9 @@ static struct rio_table_hdr *rio_table_hdr __initdata;
 static struct scal_detail   *scal_devs[MAX_NUMNODES] __initdata;
 static struct rio_detail    *rio_devs[MAX_NUMNODES*4] __initdata;
 
+#ifndef CONFIG_X86_NUMAQ
 static int mp_bus_id_to_node[MAX_MP_BUSSES] __initdata;
+#endif
 
 static int __init setup_pci_node_map_for_wpeg(int wpeg_num, int last_bus)
 {

trunk/arch/x86/mach-es7000/Makefile

@@ -3,4 +3,3 @@
 #
 
 obj-$(CONFIG_X86_ES7000)	:= es7000plat.o
-obj-$(CONFIG_X86_GENERICARCH)	:= es7000plat.o

trunk/arch/x86/mach-es7000/es7000plat.c

@@ -177,53 +177,6 @@ find_unisys_acpi_oem_table(unsigned long *oem_addr)
 }
 #endif
 
-/*
- * This file also gets compiled if CONFIG_X86_GENERICARCH is set. Generic
- * arch already has got following function definitions (asm-generic/es7000.c)
- * hence no need to define these for that case.
- */
-#ifndef CONFIG_X86_GENERICARCH
-void es7000_sw_apic(void);
-void __init enable_apic_mode(void)
-{
-	es7000_sw_apic();
-	return;
-}
-
-__init int mps_oem_check(struct mp_config_table *mpc, char *oem,
-		char *productid)
-{
-	if (mpc->mpc_oemptr) {
-		struct mp_config_oemtable *oem_table =
-			(struct mp_config_oemtable *)mpc->mpc_oemptr;
-		if (!strncmp(oem, "UNISYS", 6))
-			return parse_unisys_oem((char *)oem_table);
-	}
-	return 0;
-}
-#ifdef CONFIG_ACPI
-/* Hook from generic ACPI tables.c */
-int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
-{
-	unsigned long oem_addr;
-	if (!find_unisys_acpi_oem_table(&oem_addr)) {
-		if (es7000_check_dsdt())
-			return parse_unisys_oem((char *)oem_addr);
-		else {
-			setup_unisys();
-			return 1;
-		}
-	}
-	return 0;
-}
-#else
-int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
-{
-	return 0;
-}
-#endif
-#endif /* COFIG_X86_GENERICARCH */
-
 static void
 es7000_spin(int n)
 {

trunk/arch/x86/mach-generic/Makefile

@@ -2,7 +2,11 @@
 # Makefile for the generic architecture
 #
 
-EXTRA_CFLAGS	:= -Iarch/x86/kernel
+EXTRA_CFLAGS			:= -Iarch/x86/kernel
 
-obj-y		:= probe.o summit.o bigsmp.o es7000.o default.o 
-obj-y		+= ../../x86/mach-es7000/
+obj-y				:= probe.o default.o
+obj-$(CONFIG_X86_NUMAQ)		+= numaq.o
+obj-$(CONFIG_X86_SUMMIT)	+= summit.o
+obj-$(CONFIG_X86_BIGSMP)	+= bigsmp.o
+obj-$(CONFIG_X86_ES7000)	+= es7000.o
+obj-$(CONFIG_X86_ES7000)	+= ../../x86/mach-es7000/