x86: allow more than 8 cpus to be used on 32-bit

X86_PC is the only remaining 'sub' architecture, so we dont need
it anymore.

This also cleans up a few spurious references to X86_PC in the
driver space - those certainly should be X86.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

9 files changed, 10 insertions, 16 deletions

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 5bf0e0c58289..afaf2cb7c1ac 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -262,9 +262,6 @@ config X86_MPPARSE
           For old smp systems that do not have proper acpi support. Newer systems
           (esp with 64bit cpus) with acpi support, MADT and DSDT will override it
 
-config X86_PC
-        def_bool y
-
 config X86_NON_STANDARD
         bool "Support for non-standard x86 platforms"
         help
@@ -1019,7 +1016,6 @@ config NUMA
         bool "Numa Memory Allocation and Scheduler Support"
         depends on SMP
         depends on X86_64 || (X86_32 && HIGHMEM64G && (X86_NUMAQ || X86_BIGSMP || X86_SUMMIT && ACPI) && EXPERIMENTAL)
-        default n if X86_PC
         default y if (X86_NUMAQ || X86_SUMMIT || X86_BIGSMP)
         help
           Enable NUMA (Non Uniform Memory Access) support.
@@ -1122,7 +1118,7 @@ config ARCH_SPARSEMEM_DEFAULT
 
 config ARCH_SPARSEMEM_ENABLE
         def_bool y
-        depends on X86_64 || NUMA || (EXPERIMENTAL && X86_PC) || X86_32_NON_STANDARD
+        depends on X86_64 || NUMA || (EXPERIMENTAL && X86_32) || X86_32_NON_STANDARD
         select SPARSEMEM_STATIC if X86_32
         select SPARSEMEM_VMEMMAP_ENABLE if X86_64
 
diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index edba00d98ac3..739bce993b56 100644
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -188,7 +188,6 @@ CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 CONFIG_SMP=y
 CONFIG_X86_FIND_SMP_CONFIG=y
 CONFIG_X86_MPPARSE=y
-CONFIG_X86_PC=y
 # CONFIG_X86_ELAN is not set
 # CONFIG_X86_VOYAGER is not set
 # CONFIG_X86_GENERICARCH is not set
diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig
index 322dd2748fc9..02b514e8f4c4 100644
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -187,7 +187,6 @@ CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 CONFIG_SMP=y
 CONFIG_X86_FIND_SMP_CONFIG=y
 CONFIG_X86_MPPARSE=y
-CONFIG_X86_PC=y
 # CONFIG_X86_ELAN is not set
 # CONFIG_X86_VOYAGER is not set
 # CONFIG_X86_GENERICARCH is not set
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index fc80bc18943e..2912fa3a8ef2 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1000,7 +1000,7 @@ static int __init smp_sanity_check(unsigned max_cpus)
 {
         preempt_disable();
 
-#if defined(CONFIG_X86_PC) && defined(CONFIG_X86_32)
+#ifndef CONFIG_X86_BIGSMP
         if (def_to_bigsmp && nr_cpu_ids > 8) {
                 unsigned int cpu;
                 unsigned nr;
diff --git a/drivers/eisa/Kconfig b/drivers/eisa/Kconfig
index c0646576cf47..2705284f6223 100644
--- a/drivers/eisa/Kconfig
+++ b/drivers/eisa/Kconfig
@@ -3,7 +3,7 @@
 #
 config EISA_VLB_PRIMING
         bool "Vesa Local Bus priming"
-        depends on X86_PC && EISA
+        depends on X86 && EISA
         default n
         ---help---
           Activate this option if your system contains a Vesa Local
@@ -24,11 +24,11 @@ config EISA_PCI_EISA
           When in doubt, say Y.
 
 # Using EISA_VIRTUAL_ROOT on something other than an Alpha or
-# an X86_PC may lead to crashes...
+# an X86 may lead to crashes...
 
 config EISA_VIRTUAL_ROOT
         bool "EISA virtual root device"
-        depends on EISA && (ALPHA || X86_PC)
+        depends on EISA && (ALPHA || X86)
         default y
         ---help---
           Activate this option if your system only have EISA bus
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index 35561689ff38..ea2638b41982 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -13,11 +13,11 @@ menuconfig INPUT_KEYBOARD
 if INPUT_KEYBOARD
 
 config KEYBOARD_ATKBD
-        tristate "AT keyboard" if EMBEDDED || !X86_PC
+        tristate "AT keyboard" if EMBEDDED || !X86
         default y
         select SERIO
         select SERIO_LIBPS2
-        select SERIO_I8042 if X86_PC
+        select SERIO_I8042 if X86
         select SERIO_GSCPS2 if GSC
         help
           Say Y here if you want to use a standard AT or PS/2 keyboard. Usually
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index 093c8c1bca74..9bef935ef19f 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -17,7 +17,7 @@ config MOUSE_PS2
         default y
         select SERIO
         select SERIO_LIBPS2
-        select SERIO_I8042 if X86_PC
+        select SERIO_I8042 if X86
         select SERIO_GSCPS2 if GSC
         help
           Say Y here if you have a PS/2 mouse connected to your system. This
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 928923665f6c..2ff88791cebc 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -273,7 +273,7 @@ config MTD_NAND_CAFE
 
 config MTD_NAND_CS553X
         tristate "NAND support for CS5535/CS5536 (AMD Geode companion chip)"
-        depends on X86_32 && (X86_PC || X86_32_NON_STANDARD)
+        depends on X86_32
         help
           The CS553x companion chips for the AMD Geode processor
           include NAND flash controllers with built-in hardware ECC
diff --git a/sound/drivers/Kconfig b/sound/drivers/Kconfig
index 0bcf14640fde..84714a65e5c8 100644
--- a/sound/drivers/Kconfig
+++ b/sound/drivers/Kconfig
@@ -33,7 +33,7 @@ if SND_DRIVERS
 
 config SND_PCSP
         tristate "PC-Speaker support (READ HELP!)"
-        depends on PCSPKR_PLATFORM && X86_PC && HIGH_RES_TIMERS
+        depends on PCSPKR_PLATFORM && X86 && HIGH_RES_TIMERS
         depends on INPUT
         depends on EXPERIMENTAL
         select SND_PCM