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authorKyle McMartin <kyle@mcmartin.ca>2009-06-23 13:10:03 -0400
committerKyle McMartin <kyle@mcmartin.ca>2009-07-03 03:34:11 +0000
commit64a0cdb026666cd9911fa045b863fb1f0f255dd8 (patch)
treef2830143e34a995ad9fcbbad1541778353a47d72 /arch/parisc/kernel/processor.c
parent20dbc9f724e02c26e30d89cf50e7ce259ab46da4 (diff)
downloadlinux-64a0cdb026666cd9911fa045b863fb1f0f255dd8.tar.bz2
parisc: processor.c, fix bloated stack frame
The pa_pdc_cell struct can be kmalloc'd, so do that instead. Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
Diffstat (limited to 'arch/parisc/kernel/processor.c')
-rw-r--r--arch/parisc/kernel/processor.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
index 1ca69a808e38..c8fb61ed32f4 100644
--- a/arch/parisc/kernel/processor.c
+++ b/arch/parisc/kernel/processor.c
@@ -120,22 +120,28 @@ static int __cpuinit processor_probe(struct parisc_device *dev)
if (is_pdc_pat()) {
ulong status;
unsigned long bytecnt;
- pdc_pat_cell_mod_maddr_block_t pa_pdc_cell;
+ pdc_pat_cell_mod_maddr_block_t *pa_pdc_cell;
#undef USE_PAT_CPUID
#ifdef USE_PAT_CPUID
struct pdc_pat_cpu_num cpu_info;
#endif
+ pa_pdc_cell = kmalloc(sizeof (*pa_pdc_cell), GFP_KERNEL);
+ if (!pa_pdc_cell)
+ panic("couldn't allocate memory for PDC_PAT_CELL!");
+
status = pdc_pat_cell_module(&bytecnt, dev->pcell_loc,
- dev->mod_index, PA_VIEW, &pa_pdc_cell);
+ dev->mod_index, PA_VIEW, pa_pdc_cell);
BUG_ON(PDC_OK != status);
/* verify it's the same as what do_pat_inventory() found */
- BUG_ON(dev->mod_info != pa_pdc_cell.mod_info);
- BUG_ON(dev->pmod_loc != pa_pdc_cell.mod_location);
+ BUG_ON(dev->mod_info != pa_pdc_cell->mod_info);
+ BUG_ON(dev->pmod_loc != pa_pdc_cell->mod_location);
+
+ txn_addr = pa_pdc_cell->mod[0]; /* id_eid for IO sapic */
- txn_addr = pa_pdc_cell.mod[0]; /* id_eid for IO sapic */
+ kfree(pa_pdc_cell);
#ifdef USE_PAT_CPUID
/* We need contiguous numbers for cpuid. Firmware's notion