aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sparc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/Kconfig3
-rw-r--r--arch/sparc/kernel/smp_64.c42
-rw-r--r--arch/sparc/kernel/vmlinux.lds.S8
3 files changed, 17 insertions, 36 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 3f8b6a9..4f6ed0f 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -95,9 +95,6 @@ config AUDIT_ARCH
config HAVE_SETUP_PER_CPU_AREA
def_bool y if SPARC64
-config HAVE_DYNAMIC_PER_CPU_AREA
- def_bool y if SPARC64
-
config GENERIC_HARDIRQS_NO__DO_IRQ
bool
def_bool y if SPARC64
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 3691907..9856d86 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -1415,19 +1415,6 @@ static void * __init pcpu_alloc_bootmem(unsigned int cpu, unsigned long size,
#endif
}
-static size_t pcpur_size __initdata;
-static void **pcpur_ptrs __initdata;
-
-static struct page * __init pcpur_get_page(unsigned int cpu, int pageno)
-{
- size_t off = (size_t)pageno << PAGE_SHIFT;
-
- if (off >= pcpur_size)
- return NULL;
-
- return virt_to_page(pcpur_ptrs[cpu] + off);
-}
-
#define PCPU_CHUNK_SIZE (4UL * 1024UL * 1024UL)
static void __init pcpu_map_range(unsigned long start, unsigned long end,
@@ -1491,25 +1478,26 @@ void __init setup_per_cpu_areas(void)
size_t dyn_size, static_size = __per_cpu_end - __per_cpu_start;
static struct vm_struct vm;
unsigned long delta, cpu;
- size_t pcpu_unit_size;
+ size_t size_sum, pcpu_unit_size;
size_t ptrs_size;
+ void **ptrs;
- pcpur_size = PFN_ALIGN(static_size + PERCPU_MODULE_RESERVE +
- PERCPU_DYNAMIC_RESERVE);
- dyn_size = pcpur_size - static_size - PERCPU_MODULE_RESERVE;
+ size_sum = PFN_ALIGN(static_size + PERCPU_MODULE_RESERVE +
+ PERCPU_DYNAMIC_RESERVE);
+ dyn_size = size_sum - static_size - PERCPU_MODULE_RESERVE;
- ptrs_size = PFN_ALIGN(nr_cpu_ids * sizeof(pcpur_ptrs[0]));
- pcpur_ptrs = alloc_bootmem(ptrs_size);
+ ptrs_size = PFN_ALIGN(nr_cpu_ids * sizeof(ptrs[0]));
+ ptrs = alloc_bootmem(ptrs_size);
for_each_possible_cpu(cpu) {
- pcpur_ptrs[cpu] = pcpu_alloc_bootmem(cpu, PCPU_CHUNK_SIZE,
- PCPU_CHUNK_SIZE);
+ ptrs[cpu] = pcpu_alloc_bootmem(cpu, PCPU_CHUNK_SIZE,
+ PCPU_CHUNK_SIZE);
- free_bootmem(__pa(pcpur_ptrs[cpu] + pcpur_size),
- PCPU_CHUNK_SIZE - pcpur_size);
+ free_bootmem(__pa(ptrs[cpu] + size_sum),
+ PCPU_CHUNK_SIZE - size_sum);
- memcpy(pcpur_ptrs[cpu], __per_cpu_load, static_size);
+ memcpy(ptrs[cpu], __per_cpu_load, static_size);
}
/* allocate address and map */
@@ -1523,14 +1511,14 @@ void __init setup_per_cpu_areas(void)
start += cpu * PCPU_CHUNK_SIZE;
end = start + PCPU_CHUNK_SIZE;
- pcpu_map_range(start, end, virt_to_page(pcpur_ptrs[cpu]));
+ pcpu_map_range(start, end, virt_to_page(ptrs[cpu]));
}
- pcpu_unit_size = pcpu_setup_first_chunk(pcpur_get_page, static_size,
+ pcpu_unit_size = pcpu_setup_first_chunk(static_size,
PERCPU_MODULE_RESERVE, dyn_size,
PCPU_CHUNK_SIZE, vm.addr, NULL);
- free_bootmem(__pa(pcpur_ptrs), ptrs_size);
+ free_bootmem(__pa(ptrs), ptrs_size);
delta = (unsigned long)pcpu_base_addr - (unsigned long)__per_cpu_start;
for_each_possible_cpu(cpu) {
diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S
index fcbbd00..866390f 100644
--- a/arch/sparc/kernel/vmlinux.lds.S
+++ b/arch/sparc/kernel/vmlinux.lds.S
@@ -171,12 +171,8 @@ SECTIONS
}
_end = . ;
- /DISCARD/ : {
- EXIT_TEXT
- EXIT_DATA
- *(.exitcall.exit)
- }
-
STABS_DEBUG
DWARF_DEBUG
+
+ DISCARDS
}