diff options
Diffstat (limited to 'arch/sparc64/mm')
| -rw-r--r-- | arch/sparc64/mm/init.c | 11 | ||||
| -rw-r--r-- | arch/sparc64/mm/ultra.S | 2 |
2 files changed, 11 insertions, 2 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); diff --git a/arch/sparc64/mm/ultra.S b/arch/sparc64/mm/ultra.S index ff1dc44d363..86773e89dc1 100644 --- a/arch/sparc64/mm/ultra.S +++ b/arch/sparc64/mm/ultra.S @@ -480,7 +480,6 @@ xcall_sync_tick: b rtrap_xcall ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %l1 -#ifdef CONFIG_MAGIC_SYSRQ .globl xcall_fetch_glob_regs xcall_fetch_glob_regs: sethi %hi(global_reg_snapshot), %g1 @@ -511,7 +510,6 @@ xcall_fetch_glob_regs: membar #StoreStore stx %g3, [%g1 + GR_SNAP_THREAD] retry -#endif /* CONFIG_MAGIC_SYSRQ */ #ifdef DCACHE_ALIASING_POSSIBLE .align 32 |