diff options
| -rw-r--r-- | arch/sparc/Makefile | 8 | ||||
| -rw-r--r-- | arch/sparc/boot/Makefile | 6 | ||||
| -rw-r--r-- | arch/sparc/include/asm/smp_32.h | 25 | ||||
| -rw-r--r-- | arch/sparc/kernel/of_device.c | 19 | ||||
| -rw-r--r-- | arch/sparc/kernel/sun4d_smp.c | 16 | ||||
| -rw-r--r-- | arch/sparc/kernel/sun4m_smp.c | 12 | ||||
| -rw-r--r-- | arch/sparc64/Kconfig | 1 | ||||
| -rw-r--r-- | arch/sparc64/kernel/of_device.c | 20 | ||||
| -rw-r--r-- | arch/sparc64/kernel/smp.c | 14 | ||||
| -rw-r--r-- | arch/sparc64/mm/init.c | 2 |
10 files changed, 81 insertions, 42 deletions
diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile index 6668e60..9592889 100644 --- a/arch/sparc/Makefile +++ b/arch/sparc/Makefile @@ -52,20 +52,24 @@ endif export INIT_Y CORE_Y DRIVERS_Y NET_Y LIBS_Y HEAD_Y kallsyms.o # Default target -all: image +all: zImage boot := arch/sparc/boot -image tftpboot.img: vmlinux +image zImage tftpboot.img: vmlinux $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ archclean: $(Q)$(MAKE) $(clean)=$(boot) +# This is the image used for packaging +KBUILD_IMAGE := $(boot)/zImage + CLEAN_FILES += arch/$(ARCH)/boot/System.map # Don't use tabs in echo arguments. define archhelp echo '* image - kernel image ($(boot)/image)' + echo '* zImage - stripped kernel image ($(boot)/zImage)' echo ' tftpboot.img - image prepared for tftp' endef diff --git a/arch/sparc/boot/Makefile b/arch/sparc/boot/Makefile index 22d331e..3e77a9f 100644 --- a/arch/sparc/boot/Makefile +++ b/arch/sparc/boot/Makefile @@ -19,6 +19,9 @@ quiet_cmd_sysmap = SYSMAP $(obj)/System.map cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap quiet_cmd_image = LD $@ cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@ +quiet_cmd_strip = STRIP $@ + cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $(obj)/image -o $@ + define rule_image $(if $($(quiet)cmd_image), \ @@ -49,6 +52,9 @@ LDFLAGS_image := -T arch/sparc/kernel/vmlinux.lds $(BTOBJS) \ $(obj)/image: $(obj)/btfix.o FORCE $(call if_changed_rule,image) +$(obj)/zImage: $(obj)/image + $(call if_changed,strip) + $(obj)/tftpboot.img: $(obj)/piggyback $(obj)/System.map $(obj)/image FORCE $(call if_changed,elftoaout) $(call if_changed,piggy) diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h index 7201752..a8180e5 100644 --- a/arch/sparc/include/asm/smp_32.h +++ b/arch/sparc/include/asm/smp_32.h @@ -50,27 +50,24 @@ struct seq_file; void smp_bogo(struct seq_file *); void smp_info(struct seq_file *); -BTFIXUPDEF_CALL(void, smp_cross_call, smpfunc_t, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) +BTFIXUPDEF_CALL(void, smp_cross_call, smpfunc_t, cpumask_t, unsigned long, unsigned long, unsigned long, unsigned long) BTFIXUPDEF_CALL(int, __hard_smp_processor_id, void) BTFIXUPDEF_BLACKBOX(hard_smp_processor_id) BTFIXUPDEF_BLACKBOX(load_current) -#define smp_cross_call(func,arg1,arg2,arg3,arg4,arg5) BTFIXUP_CALL(smp_cross_call)(func,arg1,arg2,arg3,arg4,arg5) +#define smp_cross_call(func,mask,arg1,arg2,arg3,arg4) BTFIXUP_CALL(smp_cross_call)(func,mask,arg1,arg2,arg3,arg4) -static inline void xc0(smpfunc_t func) { smp_cross_call(func, 0, 0, 0, 0, 0); } +static inline void xc0(smpfunc_t func) { smp_cross_call(func, cpu_online_map, 0, 0, 0, 0); } static inline void xc1(smpfunc_t func, unsigned long arg1) -{ smp_cross_call(func, arg1, 0, 0, 0, 0); } +{ smp_cross_call(func, cpu_online_map, arg1, 0, 0, 0); } static inline void xc2(smpfunc_t func, unsigned long arg1, unsigned long arg2) -{ smp_cross_call(func, arg1, arg2, 0, 0, 0); } +{ smp_cross_call(func, cpu_online_map, arg1, arg2, 0, 0); } static inline void xc3(smpfunc_t func, unsigned long arg1, unsigned long arg2, unsigned long arg3) -{ smp_cross_call(func, arg1, arg2, arg3, 0, 0); } +{ smp_cross_call(func, cpu_online_map, arg1, arg2, arg3, 0); } static inline void xc4(smpfunc_t func, unsigned long arg1, unsigned long arg2, unsigned long arg3, unsigned long arg4) -{ smp_cross_call(func, arg1, arg2, arg3, arg4, 0); } -static inline void xc5(smpfunc_t func, unsigned long arg1, unsigned long arg2, - unsigned long arg3, unsigned long arg4, unsigned long arg5) -{ smp_cross_call(func, arg1, arg2, arg3, arg4, arg5); } +{ smp_cross_call(func, cpu_online_map, arg1, arg2, arg3, arg4); } static inline int smp_call_function(void (*func)(void *info), void *info, int wait) { @@ -78,6 +75,14 @@ static inline int smp_call_function(void (*func)(void *info), void *info, int wa return 0; } +static inline int smp_call_function_single(int cpuid, void (*func) (void *info), + void *info, int wait) +{ + smp_cross_call((smpfunc_t)func, cpumask_of_cpu(cpuid), + (unsigned long) info, 0, 0, 0); + return 0; +} + static inline int cpu_logical_map(int cpu) { return cpu; diff --git a/arch/sparc/kernel/of_device.c b/arch/sparc/kernel/of_device.c index 4ef1607..c88af7e 100644 --- a/arch/sparc/kernel/of_device.c +++ b/arch/sparc/kernel/of_device.c @@ -93,7 +93,7 @@ struct of_bus { int *addrc, int *sizec); int (*map)(u32 *addr, const u32 *range, int na, int ns, int pna); - unsigned int (*get_flags)(const u32 *addr); + unsigned long (*get_flags)(const u32 *addr, unsigned long); }; /* @@ -153,8 +153,10 @@ static int of_bus_default_map(u32 *addr, const u32 *range, return 0; } -static unsigned int of_bus_default_get_flags(const u32 *addr) +static unsigned long of_bus_default_get_flags(const u32 *addr, unsigned long flags) { + if (flags) + return flags; return IORESOURCE_MEM; } @@ -217,17 +219,21 @@ static int of_bus_pci_map(u32 *addr, const u32 *range, return 0; } -static unsigned int of_bus_pci_get_flags(const u32 *addr) +static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags) { - unsigned int flags = 0; u32 w = addr[0]; + /* For PCI, we override whatever child busses may have used. */ + flags = 0; switch((w >> 24) & 0x03) { case 0x01: flags |= IORESOURCE_IO; + break; + case 0x02: /* 32 bits */ case 0x03: /* 64 bits */ flags |= IORESOURCE_MEM; + break; } if (w & 0x40000000) flags |= IORESOURCE_PREFETCH; @@ -406,10 +412,11 @@ static void __init build_device_resources(struct of_device *op, int pna, pns; size = of_read_addr(reg + na, ns); - flags = bus->get_flags(reg); memcpy(addr, reg, na * 4); + flags = bus->get_flags(reg, 0); + if (use_1to1_mapping(pp)) { result = of_read_addr(addr, na); goto build_res; @@ -434,6 +441,8 @@ static void __init build_device_resources(struct of_device *op, dna, dns, pna)) break; + flags = pbus->get_flags(addr, flags); + dna = pna; dns = pns; dbus = pbus; diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c index bf7147a..72fa8da 100644 --- a/arch/sparc/kernel/sun4d_smp.c +++ b/arch/sparc/kernel/sun4d_smp.c @@ -261,8 +261,9 @@ static struct smp_funcall { static DEFINE_SPINLOCK(cross_call_lock); /* Cross calls must be serialized, at least currently. */ -void smp4d_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2, - unsigned long arg3, unsigned long arg4, unsigned long arg5) +static void smp4d_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1, + unsigned long arg2, unsigned long arg3, + unsigned long arg4) { if(smp_processors_ready) { register int high = smp_highest_cpu; @@ -277,7 +278,7 @@ void smp4d_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2, register unsigned long a2 asm("i2") = arg2; register unsigned long a3 asm("i3") = arg3; register unsigned long a4 asm("i4") = arg4; - register unsigned long a5 asm("i5") = arg5; + register unsigned long a5 asm("i5") = 0; __asm__ __volatile__( "std %0, [%6]\n\t" @@ -289,11 +290,10 @@ void smp4d_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2, /* Init receive/complete mapping, plus fire the IPI's off. */ { - cpumask_t mask; register int i; - mask = cpumask_of_cpu(hard_smp4d_processor_id()); - cpus_andnot(mask, cpu_online_map, mask); + cpu_clear(smp_processor_id(), mask); + cpus_and(mask, cpu_online_map, mask); for(i = 0; i <= high; i++) { if (cpu_isset(i, mask)) { ccall_info.processors_in[i] = 0; @@ -308,12 +308,16 @@ void smp4d_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2, i = 0; do { + if (!cpu_isset(i, mask)) + continue; while(!ccall_info.processors_in[i]) barrier(); } while(++i <= high); i = 0; do { + if (!cpu_isset(i, mask)) + continue; while(!ccall_info.processors_out[i]) barrier(); } while(++i <= high); diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c index 406ac1a..a14a76a 100644 --- a/arch/sparc/kernel/sun4m_smp.c +++ b/arch/sparc/kernel/sun4m_smp.c @@ -244,9 +244,9 @@ static struct smp_funcall { static DEFINE_SPINLOCK(cross_call_lock); /* Cross calls must be serialized, at least currently. */ -static void smp4m_cross_call(smpfunc_t func, unsigned long arg1, +static void smp4m_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1, unsigned long arg2, unsigned long arg3, - unsigned long arg4, unsigned long arg5) + unsigned long arg4) { register int ncpus = SUN4M_NCPUS; unsigned long flags; @@ -259,14 +259,14 @@ static void smp4m_cross_call(smpfunc_t func, unsigned long arg1, ccall_info.arg2 = arg2; ccall_info.arg3 = arg3; ccall_info.arg4 = arg4; - ccall_info.arg5 = arg5; + ccall_info.arg5 = 0; /* Init receive/complete mapping, plus fire the IPI's off. */ { - cpumask_t mask = cpu_online_map; register int i; cpu_clear(smp_processor_id(), mask); + cpus_and(mask, cpu_online_map, mask); for(i = 0; i < ncpus; i++) { if (cpu_isset(i, mask)) { ccall_info.processors_in[i] = 0; @@ -284,12 +284,16 @@ static void smp4m_cross_call(smpfunc_t func, unsigned long arg1, i = 0; do { + if (!cpu_isset(i, mask)) + continue; while(!ccall_info.processors_in[i]) barrier(); } while(++i < ncpus); i = 0; do { + if (!cpu_isset(i, mask)) + continue; while(!ccall_info.processors_out[i]) barrier(); } while(++i < ncpus); diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig index 4a90809..5446e2a 100644 --- a/arch/sparc64/Kconfig +++ b/arch/sparc64/Kconfig @@ -254,6 +254,7 @@ endmenu config NUMA bool "NUMA support" + depends on SMP config NODES_SHIFT int diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c index c15bcdf..5c4fbc2 100644 --- a/arch/sparc64/kernel/of_device.c +++ b/arch/sparc64/kernel/of_device.c @@ -119,7 +119,7 @@ struct of_bus { int *addrc, int *sizec); int (*map)(u32 *addr, const u32 *range, int na, int ns, int pna); - unsigned int (*get_flags)(const u32 *addr); + unsigned long (*get_flags)(const u32 *addr, unsigned long); }; /* @@ -179,8 +179,10 @@ static int of_bus_default_map(u32 *addr, const u32 *range, return 0; } -static unsigned int of_bus_default_get_flags(const u32 *addr) +static unsigned long of_bus_default_get_flags(const u32 *addr, unsigned long flags) { + if (flags) + return flags; return IORESOURCE_MEM; } @@ -272,17 +274,21 @@ static int of_bus_pci_map(u32 *addr, const u32 *range, return 0; } -static unsigned int of_bus_pci_get_flags(const u32 *addr) +static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags) { - unsigned int flags = 0; u32 w = addr[0]; + /* For PCI, we override whatever child busses may have used. */ + flags = 0; switch((w >> 24) & 0x03) { case 0x01: flags |= IORESOURCE_IO; + break; + case 0x02: /* 32 bits */ case 0x03: /* 64 bits */ flags |= IORESOURCE_MEM; + break; } if (w & 0x40000000) flags |= IORESOURCE_PREFETCH; @@ -510,10 +516,10 @@ static void __init build_device_resources(struct of_device *op, int pna, pns; size = of_read_addr(reg + na, ns); - flags = bus->get_flags(reg); - memcpy(addr, reg, na * 4); + flags = bus->get_flags(addr, 0); + if (use_1to1_mapping(pp)) { result = of_read_addr(addr, na); goto build_res; @@ -538,6 +544,8 @@ static void __init build_device_resources(struct of_device *op, dna, dns, pna)) break; + flags = pbus->get_flags(addr, flags); + dna = pna; dns = pns; dbus = pbus; diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 743ccad..2be166c 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -80,8 +80,6 @@ void smp_bogo(struct seq_file *m) i, cpu_data(i).clock_tick); } -static __cacheline_aligned_in_smp DEFINE_SPINLOCK(call_lock); - extern void setup_sparc64_timer(void); static volatile unsigned long callin_flag = 0; @@ -120,9 +118,9 @@ void __cpuinit smp_callin(void) while (!cpu_isset(cpuid, smp_commenced_mask)) rmb(); - spin_lock(&call_lock); + ipi_call_lock(); cpu_set(cpuid, cpu_online_map); - spin_unlock(&call_lock); + ipi_call_unlock(); /* idle thread is expected to have preempt disabled */ preempt_disable(); @@ -1305,10 +1303,6 @@ int __cpu_disable(void) c->core_id = 0; c->proc_id = -1; - spin_lock(&call_lock); - cpu_clear(cpu, cpu_online_map); - spin_unlock(&call_lock); - smp_wmb(); /* Make sure no interrupts point to this cpu. */ @@ -1318,6 +1312,10 @@ int __cpu_disable(void) mdelay(1); local_irq_disable(); + ipi_call_lock(); + cpu_clear(cpu, cpu_online_map); + ipi_call_unlock(); + return 0; } diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index 7c3c81f..4fb9de0 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -1875,7 +1875,7 @@ static int pavail_rescan_ents __initdata; * memory list again, and make sure it provides at least as much * memory as 'pavail' does. */ -static void setup_valid_addr_bitmap_from_pavail(void) +static void __init setup_valid_addr_bitmap_from_pavail(void) { int i; 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