diff options
Diffstat (limited to 'arch/xtensa')
-rw-r--r-- | arch/xtensa/Kconfig | 8 | ||||
-rw-r--r-- | arch/xtensa/kernel/irq.c | 15 | ||||
-rw-r--r-- | arch/xtensa/kernel/xtensa_ksyms.c | 2 | ||||
-rw-r--r-- | arch/xtensa/mm/init.c | 2 | ||||
-rw-r--r-- | arch/xtensa/mm/pgtable.c | 24 | ||||
-rw-r--r-- | arch/xtensa/platform-iss/console.c | 4 | ||||
-rw-r--r-- | arch/xtensa/platform-iss/setup.c | 2 |
7 files changed, 26 insertions, 31 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index e90ef5db891..dbeb3504c3c 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -22,6 +22,14 @@ config RWSEM_XCHGADD_ALGORITHM bool default y +config GENERIC_FIND_NEXT_BIT + bool + default y + +config GENERIC_HWEIGHT + bool + default y + config GENERIC_HARDIRQS bool default y diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index 4cbf6d91571..51f9bed455f 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -83,9 +83,8 @@ int show_interrupts(struct seq_file *p, void *v) if (i == 0) { seq_printf(p, " "); - for (j=0; j<NR_CPUS; j++) - if (cpu_online(j)) - seq_printf(p, "CPU%d ",j); + for_each_online_cpu(j) + seq_printf(p, "CPU%d ",j); seq_putc(p, '\n'); } @@ -98,9 +97,8 @@ int show_interrupts(struct seq_file *p, void *v) #ifndef CONFIG_SMP seq_printf(p, "%10u ", kstat_irqs(i)); #else - for (j = 0; j < NR_CPUS; j++) - if (cpu_online(j)) - seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]); + for_each_online_cpu(j) + seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]); #endif seq_printf(p, " %14s", irq_desc[i].handler->typename); seq_printf(p, " %s", action->name); @@ -113,9 +111,8 @@ skip: spin_unlock_irqrestore(&irq_desc[i].lock, flags); } else if (i == NR_IRQS) { seq_printf(p, "NMI: "); - for (j = 0; j < NR_CPUS; j++) - if (cpu_online(j)) - seq_printf(p, "%10u ", nmi_count(j)); + for_each_online_cpu(j) + seq_printf(p, "%10u ", nmi_count(j)); seq_putc(p, '\n'); seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count)); } diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c index efae56a5147..152b9370789 100644 --- a/arch/xtensa/kernel/xtensa_ksyms.c +++ b/arch/xtensa/kernel/xtensa_ksyms.c @@ -113,8 +113,6 @@ EXPORT_SYMBOL(__xtensa_copy_user); // FIXME EXPORT_SYMBOL(screen_info); #endif -EXPORT_SYMBOL(get_wchan); - EXPORT_SYMBOL(outsb); EXPORT_SYMBOL(outsw); EXPORT_SYMBOL(outsl); diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c index 5a91d6c9e66..e1be4235f36 100644 --- a/arch/xtensa/mm/init.c +++ b/arch/xtensa/mm/init.c @@ -272,7 +272,7 @@ free_reserved_mem(void *start, void *end) { for (; start < end; start += PAGE_SIZE) { ClearPageReserved(virt_to_page(start)); - set_page_count(virt_to_page(start), 1); + init_page_count(virt_to_page(start)); free_page((unsigned long)start); totalram_pages++; } diff --git a/arch/xtensa/mm/pgtable.c b/arch/xtensa/mm/pgtable.c index e5e119c820e..7d28914d11c 100644 --- a/arch/xtensa/mm/pgtable.c +++ b/arch/xtensa/mm/pgtable.c @@ -14,25 +14,21 @@ pte_t* pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { - pte_t *pte, p; + pte_t *pte = NULL, *p; int color = ADDR_COLOR(address); int i; p = (pte_t*) __get_free_pages(GFP_KERNEL|__GFP_REPEAT, COLOR_ORDER); if (likely(p)) { - struct page *page; - - for (i = 0; i < COLOR_SIZE; i++, p++) { - page = virt_to_page(pte); - - set_page_count(page, 1); - ClearPageCompound(page); + split_page(virt_to_page(p), COLOR_ORDER); + for (i = 0; i < COLOR_SIZE; i++) { if (ADDR_COLOR(p) == color) pte = p; else free_page(p); + p += PTRS_PER_PTE; } clear_page(pte); } @@ -49,20 +45,20 @@ int flush; struct page* pte_alloc_one(struct mm_struct *mm, unsigned long address) { - struct page *page, p; + struct page *page = NULL, *p; int color = ADDR_COLOR(address); p = alloc_pages(GFP_KERNEL | __GFP_REPEAT, PTE_ORDER); if (likely(p)) { - for (i = 0; i < PAGE_ORDER; i++) { - set_page_count(p, 1); - ClearPageCompound(p); + split_page(p, COLOR_ORDER); - if (PADDR_COLOR(page_address(pg)) == color) + for (i = 0; i < PAGE_ORDER; i++) { + if (PADDR_COLOR(page_address(p)) == color) page = p; else - free_page(p); + __free_page(p); + p++; } clear_highpage(page); } diff --git a/arch/xtensa/platform-iss/console.c b/arch/xtensa/platform-iss/console.c index 94fdfe474ac..2a580efb58e 100644 --- a/arch/xtensa/platform-iss/console.c +++ b/arch/xtensa/platform-iss/console.c @@ -31,10 +31,6 @@ #include <linux/tty.h> #include <linux/tty_flip.h> -#ifdef SERIAL_INLINE -#define _INLINE_ inline -#endif - #define SERIAL_MAX_NUM_LINES 1 #define SERIAL_TIMER_VALUE (20 * HZ) diff --git a/arch/xtensa/platform-iss/setup.c b/arch/xtensa/platform-iss/setup.c index 2e6dcbf0cc0..23790a5610e 100644 --- a/arch/xtensa/platform-iss/setup.c +++ b/arch/xtensa/platform-iss/setup.c @@ -108,5 +108,5 @@ static struct notifier_block iss_panic_block = { void __init platform_setup(char **p_cmdline) { - notifier_chain_register(&panic_notifier_list, &iss_panic_block); + atomic_notifier_chain_register(&panic_notifier_list, &iss_panic_block); } |