From 7343c9ba8ed9d504cd2daf960da58971c6631601 Mon Sep 17 00:00:00 2001 From: Olaf Hering Date: Mon, 11 Jul 2005 10:17:06 +0100 Subject: [PATCH 1/4] [PATCH] ARM: remove linux/version.h include from arch/arm Changing CONFIG_LOCALVERSION rebuilds too much, for no appearent reason. Signed-off-by: Olaf Hering Signed-off-by: Russell King --- arch/arm/mach-omap1/leds-h2p2-debug.c | 1 - arch/arm/nwfpe/fpmodule.c | 1 - arch/arm/plat-omap/ocpi.c | 1 - 3 files changed, 3 deletions(-) diff --git a/arch/arm/mach-omap1/leds-h2p2-debug.c b/arch/arm/mach-omap1/leds-h2p2-debug.c index 6e98290cca5c..ec0d8285f243 100644 --- a/arch/arm/mach-omap1/leds-h2p2-debug.c +++ b/arch/arm/mach-omap1/leds-h2p2-debug.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include diff --git a/arch/arm/nwfpe/fpmodule.c b/arch/arm/nwfpe/fpmodule.c index a806fea5c3ed..a8efcf34888e 100644 --- a/arch/arm/nwfpe/fpmodule.c +++ b/arch/arm/nwfpe/fpmodule.c @@ -24,7 +24,6 @@ #include "fpa11.h" #include -#include #include /* XXX */ diff --git a/arch/arm/plat-omap/ocpi.c b/arch/arm/plat-omap/ocpi.c index 1fb16f9edfd5..2ede2ee8cae4 100644 --- a/arch/arm/plat-omap/ocpi.c +++ b/arch/arm/plat-omap/ocpi.c @@ -25,7 +25,6 @@ #include #include -#include #include #include #include From d12734d14e5602816f0b16b17a8cef5ea70afb5a Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 11 Jul 2005 17:38:36 +0100 Subject: [PATCH 2/4] [PATCH] ARM SMP: Rename cpu_present_mask to cpu_possible_map The kernel's terminology for this is cpu_possible_map not cpu_present_mask. Signed-off-by: Russell King --- arch/arm/kernel/smp.c | 4 ++-- arch/arm/mach-integrator/platsmp.c | 2 +- include/asm-arm/smp.h | 3 --- 3 files changed, 3 insertions(+), 6 deletions(-) diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index a931409c8fe4..44a27b2a3c29 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -36,7 +36,7 @@ * The present bitmask indicates that the CPU is physically present. * The online bitmask indicates that the CPU is up and running. */ -cpumask_t cpu_present_mask; +cpumask_t cpu_possible_map; cpumask_t cpu_online_map; /* @@ -235,7 +235,7 @@ void __init smp_prepare_boot_cpu(void) { unsigned int cpu = smp_processor_id(); - cpu_set(cpu, cpu_present_mask); + cpu_set(cpu, cpu_possible_map); cpu_set(cpu, cpu_online_map); } diff --git a/arch/arm/mach-integrator/platsmp.c b/arch/arm/mach-integrator/platsmp.c index ead15dfcb53d..88f40a5189cd 100644 --- a/arch/arm/mach-integrator/platsmp.c +++ b/arch/arm/mach-integrator/platsmp.c @@ -178,7 +178,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) * be present. */ for (i = 0; i < max_cpus; i++) { - cpu_set(i, cpu_present_mask); + cpu_set(i, cpu_possible_map); } /* diff --git a/include/asm-arm/smp.h b/include/asm-arm/smp.h index 6c6c60adbbaa..dbb4d859c586 100644 --- a/include/asm-arm/smp.h +++ b/include/asm-arm/smp.h @@ -23,9 +23,6 @@ #define raw_smp_processor_id() (current_thread_info()->cpu) -extern cpumask_t cpu_present_mask; -#define cpu_possible_map cpu_present_mask - /* * at the moment, there's not a big penalty for changing CPUs * (the >big< penalty is running SMP in the first place) From e11b2236eace94ad9a2e421904742e83976405ed Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 11 Jul 2005 19:26:31 +0100 Subject: [PATCH 3/4] [PATCH] ARM SMP: We list IRQs for present CPUs, not online CPUs Signed-off-by: Russell King --- arch/arm/kernel/smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 44a27b2a3c29..78c24a1266b1 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -355,7 +355,7 @@ void show_ipi_list(struct seq_file *p) seq_puts(p, "IPI:"); - for_each_online_cpu(cpu) + for_each_present_cpu(cpu) seq_printf(p, " %10lu", per_cpu(ipi_data, cpu).ipi_count); seq_putc(p, '\n'); From 73eb7d9e8cfd16813eec94d0ec8fa2a5262a85cc Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 11 Jul 2005 19:42:58 +0100 Subject: [PATCH 4/4] [PATCH] ARM SMP: Initialise cpu_present_map Rather than relying on the fixup code in init/main.c, explicitly initialise cpu_present_map. Signed-off-by: Russell King --- arch/arm/kernel/smp.c | 1 + arch/arm/mach-integrator/platsmp.c | 6 ++++-- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 78c24a1266b1..7ae45c3fc834 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -236,6 +236,7 @@ void __init smp_prepare_boot_cpu(void) unsigned int cpu = smp_processor_id(); cpu_set(cpu, cpu_possible_map); + cpu_set(cpu, cpu_present_map); cpu_set(cpu, cpu_online_map); } diff --git a/arch/arm/mach-integrator/platsmp.c b/arch/arm/mach-integrator/platsmp.c index 88f40a5189cd..2ba025777098 100644 --- a/arch/arm/mach-integrator/platsmp.c +++ b/arch/arm/mach-integrator/platsmp.c @@ -174,11 +174,13 @@ void __init smp_prepare_cpus(unsigned int max_cpus) max_cpus = ncores; /* - * Initialise the present mask - this tells us which CPUs should - * be present. + * Initialise the possible/present maps. + * cpu_possible_map describes the set of CPUs which may be present + * cpu_present_map describes the set of CPUs populated */ for (i = 0; i < max_cpus; i++) { cpu_set(i, cpu_possible_map); + cpu_set(i, cpu_present_map); } /*