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authorAnton Vorontsov <avorontsov@ru.mvista.com>2009-07-01 10:59:57 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-07-08 13:50:25 +1000
commitea96025a26ab8949adab1a8e81419202f92f3f7f (patch)
tree635711cca0aea548d339c436f9a3a730d1dc78e7 /arch/powerpc/sysdev/mpic.c
parentad9064d5e22a6a24f828dad63c4775c4d7280bd4 (diff)
powerpc: Don't use alloc_bootmem() in init_IRQ() path
This patch fixes various badnesses like this for all interrupt controllers: ------------[ cut here ]------------ Badness at c04db9dc [verbose debug info unavailable] NIP: c04db9dc LR: c04db9ac CTR: 00000000 REGS: c053de30 TRAP: 0700 Not tainted (2.6.31-rc1-00432-ge69b2b5-dirty) MSR: 00021000 <ME,CE> CR: 22020084 XER: 00000000 TASK = c0500480[0] 'swapper' THREAD: c053c000 GPR00: 00000001 c053dee0 c0500480 00000000 00000050 00000020 3fffffff 00000000 GPR08: 00000001 c0540000 e0080080 00000000 22000084 64183600 3ff8f800 00000000 GPR16: 841b0240 449a0303 00000000 00000000 00000000 00000000 00000000 c04f5bf4 GPR24: 00000000 00000000 00000000 00000050 00000020 00000000 3fffffff 00000050 NIP [c04db9dc] alloc_arch_preferred_bootmem+0x48/0x74 LR [c04db9ac] alloc_arch_preferred_bootmem+0x18/0x74 Call Trace: [c053dee0] [c000a5a4] __of_address_to_resource+0x44/0xd0 (unreliable) [c053def0] [c04dba58] ___alloc_bootmem_nopanic+0x50/0x108 [c053df20] [c04dbb28] ___alloc_bootmem+0x18/0x50 [c053df30] [c04d5de0] qe_ic_init+0x5c/0x1b0 [c053df70] [c04d77b0] mpc85xx_mds_pic_init+0xb8/0x10c [c053dfb0] [c04cf374] init_IRQ+0x28/0x3c p.s. commit 85355bb272db31a3f2dd99d547eef794805e1319 ("powerpc: Fix mpic alloc warning") missed some alloc_bootmem() instances, this is now fixed. Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com> Acked-by: Timur Tabi <timur@freescale.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/sysdev/mpic.c')
-rw-r--r--arch/powerpc/sysdev/mpic.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index d46de1f0f3e..3981ae4cb58 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -508,9 +508,8 @@ static void __init mpic_scan_ht_pics(struct mpic *mpic)
printk(KERN_INFO "mpic: Setting up HT PICs workarounds for U3/U4\n");
/* Allocate fixups array */
- mpic->fixups = alloc_bootmem(128 * sizeof(struct mpic_irq_fixup));
+ mpic->fixups = kzalloc(128 * sizeof(*mpic->fixups), GFP_KERNEL);
BUG_ON(mpic->fixups == NULL);
- memset(mpic->fixups, 0, 128 * sizeof(struct mpic_irq_fixup));
/* Init spinlock */
spin_lock_init(&mpic->fixup_lock);
@@ -1109,9 +1108,8 @@ struct mpic * __init mpic_alloc(struct device_node *node,
psize /= 4;
bits = intvec_top + 1;
mapsize = BITS_TO_LONGS(bits) * sizeof(unsigned long);
- mpic->protected = alloc_bootmem(mapsize);
+ mpic->protected = kzalloc(mapsize, GFP_KERNEL);
BUG_ON(mpic->protected == NULL);
- memset(mpic->protected, 0, mapsize);
for (i = 0; i < psize; i++) {
if (psrc[i] > intvec_top)
continue;
@@ -1353,7 +1351,8 @@ void __init mpic_init(struct mpic *mpic)
#ifdef CONFIG_PM
/* allocate memory to save mpic state */
- mpic->save_data = alloc_bootmem(mpic->num_sources * sizeof(struct mpic_irq_save));
+ mpic->save_data = kmalloc(mpic->num_sources * sizeof(*mpic->save_data),
+ GFP_KERNEL);
BUG_ON(mpic->save_data == NULL);
#endif
}