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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>
This commit is contained in:
David S. Miller 2009-06-25 19:00:47 -07:00
parent 28d0325ce6
commit 14a2ff6ed2
1 changed files with 20 additions and 27 deletions
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47
arch/sparc/kernel/irq_64.c
View File

@ -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)
/* 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 mondo queue.\n");
prom_halt();
}
*pa_ptr = __pa(p);
}
static void __init alloc_one_kbuf(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 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();