diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-13 20:48:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-13 20:48:25 -0700 |
| commit | 0ff8285075a1242dbc969b6b4b1719d692931a02 (patch) | |
| tree | 75498fec971960aa9a038846cf7d2561a49bce73 /arch/sparc64/mm/init.c | |
| parent | 8d0968abd03ec6b407df117adc773562386702fa (diff) | |
| parent | 6f63e781eaf6a741fc65f773017154b20ed4ce3b (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: Handle stack trace attempts before irqstacks are setup.
sparc64: Implement IRQ stacks.
sparc: remove include of linux/of_device.h from asm/of_device.h
sparc64: Fix recursion in stack overflow detection handling.
sparc/drivers: use linux/of_device.h instead of asm/of_device.h
sparc64: Don't MAGIC_SYSRQ ifdef smp_fetch_global_regs and support code.
Diffstat (limited to 'arch/sparc64/mm/init.c')
| -rw-r--r-- | arch/sparc64/mm/init.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index 4e821b3ecb0..217de3ea29e 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -49,6 +49,7 @@ #include <asm/sstate.h> #include <asm/mdesc.h> #include <asm/cpudata.h> +#include <asm/irq.h> #define MAX_PHYS_ADDRESS (1UL << 42UL) #define KPTE_BITMAP_CHUNK_SZ (256UL * 1024UL * 1024UL) @@ -1771,6 +1772,16 @@ void __init paging_init(void) if (tlb_type == hypervisor) sun4v_mdesc_init(); + /* Once the OF device tree and MDESC have been setup, we know + * the list of possible cpus. Therefore we can allocate the + * IRQ stacks. + */ + for_each_possible_cpu(i) { + /* XXX Use node local allocations... XXX */ + softirq_stack[i] = __va(lmb_alloc(THREAD_SIZE, THREAD_SIZE)); + hardirq_stack[i] = __va(lmb_alloc(THREAD_SIZE, THREAD_SIZE)); + } + /* Setup bootmem... */ last_valid_pfn = end_pfn = bootmem_init(phys_base); |