diff options
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/Kconfig | 5 | ||||
| -rw-r--r-- | arch/sparc/include/asm/barrier_32.h | 12 | ||||
| -rw-r--r-- | arch/sparc/include/asm/barrier_64.h | 15 | ||||
| -rw-r--r-- | arch/sparc/kernel/pci.c | 6 | ||||
| -rw-r--r-- | arch/sparc/mm/init_64.c | 5 |
5 files changed, 26 insertions, 17 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index d4f7a6a163d..c51efdcd07a 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -13,6 +13,7 @@ config SPARC bool default y select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI + select ARCH_MIGHT_HAVE_PC_SERIO select OF select OF_PROMTREE select HAVE_IDE @@ -152,10 +153,10 @@ config SMP a system with only one CPU, say N. If you have a system with more than one CPU, say Y. - If you say N here, the kernel will run on single and multiprocessor + If you say N here, the kernel will run on uni- and multiprocessor machines, but will use only one CPU of a multiprocessor machine. If you say Y here, the kernel will run on many, but not all, - singleprocessor machines. On a singleprocessor machine, the kernel + uniprocessor machines. On a uniprocessor machine, the kernel will run faster if you say N here. People using multiprocessor machines who say Y here should also say diff --git a/arch/sparc/include/asm/barrier_32.h b/arch/sparc/include/asm/barrier_32.h index c1b76654ee7..ae69eda288f 100644 --- a/arch/sparc/include/asm/barrier_32.h +++ b/arch/sparc/include/asm/barrier_32.h @@ -1,15 +1,7 @@ #ifndef __SPARC_BARRIER_H #define __SPARC_BARRIER_H -/* XXX Change this if we ever use a PSO mode kernel. */ -#define mb() __asm__ __volatile__ ("" : : : "memory") -#define rmb() mb() -#define wmb() mb() -#define read_barrier_depends() do { } while(0) -#define set_mb(__var, __value) do { __var = __value; mb(); } while(0) -#define smp_mb() __asm__ __volatile__("":::"memory") -#define smp_rmb() __asm__ __volatile__("":::"memory") -#define smp_wmb() __asm__ __volatile__("":::"memory") -#define smp_read_barrier_depends() do { } while(0) +#include <asm/processor.h> /* for nop() */ +#include <asm-generic/barrier.h> #endif /* !(__SPARC_BARRIER_H) */ diff --git a/arch/sparc/include/asm/barrier_64.h b/arch/sparc/include/asm/barrier_64.h index 95d45986f90..b5aad964558 100644 --- a/arch/sparc/include/asm/barrier_64.h +++ b/arch/sparc/include/asm/barrier_64.h @@ -53,4 +53,19 @@ do { __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \ #define smp_read_barrier_depends() do { } while(0) +#define smp_store_release(p, v) \ +do { \ + compiletime_assert_atomic_type(*p); \ + barrier(); \ + ACCESS_ONCE(*p) = (v); \ +} while (0) + +#define smp_load_acquire(p) \ +({ \ + typeof(*p) ___p1 = ACCESS_ONCE(*p); \ + compiletime_assert_atomic_type(*p); \ + barrier(); \ + ___p1; \ +}) + #endif /* !(__SPARC64_BARRIER_H) */ diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index cb021453de2..7de8d1f590b 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -392,7 +392,7 @@ static void apb_fake_ranges(struct pci_dev *dev, res->flags = IORESOURCE_IO; region.start = (first << 21); region.end = (last << 21) + ((1 << 21) - 1); - pcibios_bus_to_resource(dev, res, ®ion); + pcibios_bus_to_resource(dev->bus, res, ®ion); pci_read_config_byte(dev, APB_MEM_ADDRESS_MAP, &map); apb_calc_first_last(map, &first, &last); @@ -400,7 +400,7 @@ static void apb_fake_ranges(struct pci_dev *dev, res->flags = IORESOURCE_MEM; region.start = (first << 29); region.end = (last << 29) + ((1 << 29) - 1); - pcibios_bus_to_resource(dev, res, ®ion); + pcibios_bus_to_resource(dev->bus, res, ®ion); } static void pci_of_scan_bus(struct pci_pbm_info *pbm, @@ -491,7 +491,7 @@ static void of_scan_pci_bridge(struct pci_pbm_info *pbm, res->flags = flags; region.start = GET_64BIT(ranges, 1); region.end = region.start + size - 1; - pcibios_bus_to_resource(dev, res, ®ion); + pcibios_bus_to_resource(dev->bus, res, ®ion); } after_ranges: sprintf(bus->name, "PCI Bus %04x:%02x", pci_domain_nr(bus), diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 5322e530d09..eafbc65c9c4 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -1021,7 +1021,8 @@ static void __init add_node_ranges(void) "start[%lx] end[%lx]\n", nid, start, this_end); - memblock_set_node(start, this_end - start, nid); + memblock_set_node(start, this_end - start, + &memblock.memory, nid); start = this_end; } } @@ -1325,7 +1326,7 @@ static void __init bootmem_init_nonnuma(void) (top_of_ram - total_ram) >> 20); init_node_masks_nonnuma(); - memblock_set_node(0, (phys_addr_t)ULLONG_MAX, 0); + memblock_set_node(0, (phys_addr_t)ULLONG_MAX, &memblock.memory, 0); allocate_node_data(0); node_set_online(0); } |