sparc64: Don't use alloc_bootmem() in init_IRQ() code paths.

The page allocator and SLAB are available at this point now,
and if we still try to use bootmem allocations here the kernel
spits out warnings.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index bd07505..f0ee790 100644 (file)
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -20,7 +20,6 @@
 #include <linux/delay.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
-#include <linux/bootmem.h>
 #include <linux/irq.h>
 
 #include <asm/ptrace.h>
@@ -914,25 +913,19 @@ void __cpuinit notrace sun4v_register_mondo_queues(int this_cpu)
                           tb->nonresum_qmask);
 }
 
-static void __init alloc_one_mondo(unsigned long *pa_ptr, unsigned long qmask)
-{
-       unsigned long size = PAGE_ALIGN(qmask + 1);
-       void *p = __alloc_bootmem(size, size, 0);
-       if (!p) {
-               prom_printf("SUN4V: Error, cannot allocate mondo queue.\n");
-               prom_halt();
-       }
-
-       *pa_ptr = __pa(p);
-}
-
-static void __init alloc_one_kbuf(unsigned long *pa_ptr, unsigned long qmask)
+/* Each queue region must be a power of 2 multiple of 64 bytes in
+ * size.  The base real address must be aligned to the size of the
+ * region.  Thus, an 8KB queue must be 8KB aligned, for example.
+ */
+static void __init alloc_one_queue(unsigned long *pa_ptr, unsigned long qmask)
 {
        unsigned long size = PAGE_ALIGN(qmask + 1);
-       void *p = __alloc_bootmem(size, size, 0);
+       unsigned long order = get_order(size);
+       unsigned long p;
 
+       p = __get_free_pages(GFP_KERNEL, order);
        if (!p) {
-               prom_printf("SUN4V: Error, cannot allocate kbuf page.\n");
+               prom_printf("SUN4V: Error, cannot allocate queue.\n");
                prom_halt();
        }
 
@@ -942,11 +935,11 @@ static void __init alloc_one_kbuf(unsigned long *pa_ptr, unsigned long qmask)
 static void __init init_cpu_send_mondo_info(struct trap_per_cpu *tb)
 {
 #ifdef CONFIG_SMP
-       void *page;
+       unsigned long page;
 
        BUILD_BUG_ON((NR_CPUS * sizeof(u16)) > (PAGE_SIZE - 64));
 
-       page = alloc_bootmem_pages(PAGE_SIZE);
+       page = get_zeroed_page(GFP_KERNEL);
        if (!page) {
                prom_printf("SUN4V: Error, cannot allocate cpu mondo page.\n");
                prom_halt();
@@ -965,13 +958,13 @@ static void __init sun4v_init_mondo_queues(void)
        for_each_possible_cpu(cpu) {
                struct trap_per_cpu *tb = &trap_block[cpu];
 
-               alloc_one_mondo(&tb->cpu_mondo_pa, tb->cpu_mondo_qmask);
-               alloc_one_mondo(&tb->dev_mondo_pa, tb->dev_mondo_qmask);
-               alloc_one_mondo(&tb->resum_mondo_pa, tb->resum_qmask);
-               alloc_one_kbuf(&tb->resum_kernel_buf_pa, tb->resum_qmask);
-               alloc_one_mondo(&tb->nonresum_mondo_pa, tb->nonresum_qmask);
-               alloc_one_kbuf(&tb->nonresum_kernel_buf_pa,
-                              tb->nonresum_qmask);
+               alloc_one_queue(&tb->cpu_mondo_pa, tb->cpu_mondo_qmask);
+               alloc_one_queue(&tb->dev_mondo_pa, tb->dev_mondo_qmask);
+               alloc_one_queue(&tb->resum_mondo_pa, tb->resum_qmask);
+               alloc_one_queue(&tb->resum_kernel_buf_pa, tb->resum_qmask);
+               alloc_one_queue(&tb->nonresum_mondo_pa, tb->nonresum_qmask);
+               alloc_one_queue(&tb->nonresum_kernel_buf_pa,
+                               tb->nonresum_qmask);
        }
 }
 
@@ -999,7 +992,7 @@ void __init init_IRQ(void)
        kill_prom_timer();
 
        size = sizeof(struct ino_bucket) * NUM_IVECS;
-       ivector_table = alloc_bootmem(size);
+       ivector_table = kzalloc(size, GFP_KERNEL);
        if (!ivector_table) {
                prom_printf("Fatal error, cannot allocate ivector_table\n");
                prom_halt();