diff options
author | Stefan Agner <stefan.agner@toradex.com> | 2017-12-13 21:31:49 +0100 |
---|---|---|
committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-12-21 15:14:59 +0100 |
commit | 688f897ddd96968cf59a2d67afe2a394a0bf8ab3 (patch) | |
tree | e303dd2f94a5c670a318008c891674e116558e6b /arch/sparc/kernel/irq_64.c | |
parent | a898b45a9c18bd9d723f82576a5b32a102808a09 (diff) | |
parent | fb2d2dee504a963efdcb76517b5cdf25444cf535 (diff) |
Merge remote-tracking branch 'linux-fslc/4.9-1.0.x-imx' into toradex_4.9-1.0.x-imx-next
Diffstat (limited to 'arch/sparc/kernel/irq_64.c')
-rw-r--r-- | arch/sparc/kernel/irq_64.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c index 34a7930b76ef..5cbf03c14981 100644 --- a/arch/sparc/kernel/irq_64.c +++ b/arch/sparc/kernel/irq_64.c @@ -1021,7 +1021,7 @@ static void __init alloc_one_queue(unsigned long *pa_ptr, unsigned long qmask) unsigned long order = get_order(size); unsigned long p; - p = __get_free_pages(GFP_KERNEL, order); + p = __get_free_pages(GFP_KERNEL | __GFP_ZERO, order); if (!p) { prom_printf("SUN4V: Error, cannot allocate queue.\n"); prom_halt(); @@ -1034,17 +1034,26 @@ static void __init init_cpu_send_mondo_info(struct trap_per_cpu *tb) { #ifdef CONFIG_SMP unsigned long page; + void *mondo, *p; - BUILD_BUG_ON((NR_CPUS * sizeof(u16)) > (PAGE_SIZE - 64)); + BUILD_BUG_ON((NR_CPUS * sizeof(u16)) > PAGE_SIZE); + + /* Make sure mondo block is 64byte aligned */ + p = kzalloc(127, GFP_KERNEL); + if (!p) { + prom_printf("SUN4V: Error, cannot allocate mondo block.\n"); + prom_halt(); + } + mondo = (void *)(((unsigned long)p + 63) & ~0x3f); + tb->cpu_mondo_block_pa = __pa(mondo); page = get_zeroed_page(GFP_KERNEL); if (!page) { - prom_printf("SUN4V: Error, cannot allocate cpu mondo page.\n"); + prom_printf("SUN4V: Error, cannot allocate cpu list page.\n"); prom_halt(); } - tb->cpu_mondo_block_pa = __pa(page); - tb->cpu_list_pa = __pa(page + 64); + tb->cpu_list_pa = __pa(page); #endif } |