Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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>
+11
-5
arch/parisc/kernel/processor.c
+11
-5
arch/parisc/kernel/processor.c
···
120
if (is_pdc_pat()) {
121
ulong status;
122
unsigned long bytecnt;
123
-
pdc_pat_cell_mod_maddr_block_t pa_pdc_cell;
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#undef USE_PAT_CPUID
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#ifdef USE_PAT_CPUID
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struct pdc_pat_cpu_num cpu_info;
127
#endif
128
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status = pdc_pat_cell_module(&bytecnt, dev->pcell_loc,
130
-
dev->mod_index, PA_VIEW, &pa_pdc_cell);
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BUG_ON(PDC_OK != status);
133
134
/* verify it's the same as what do_pat_inventory() found */
135
-
BUG_ON(dev->mod_info != pa_pdc_cell.mod_info);
136
-
BUG_ON(dev->pmod_loc != pa_pdc_cell.mod_location);
137
138
-
txn_addr = pa_pdc_cell.mod[0]; /* id_eid for IO sapic */
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#ifdef USE_PAT_CPUID
141
/* We need contiguous numbers for cpuid. Firmware's notion
···
120
if (is_pdc_pat()) {
121
ulong status;
122
unsigned long bytecnt;
123
+
pdc_pat_cell_mod_maddr_block_t *pa_pdc_cell;
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#undef USE_PAT_CPUID
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#ifdef USE_PAT_CPUID
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struct pdc_pat_cpu_num cpu_info;
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#endif
128
129
+
pa_pdc_cell = kmalloc(sizeof (*pa_pdc_cell), GFP_KERNEL);
130
+
if (!pa_pdc_cell)
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+
panic("couldn't allocate memory for PDC_PAT_CELL!");
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+
133
status = pdc_pat_cell_module(&bytecnt, dev->pcell_loc,
134
+
dev->mod_index, PA_VIEW, pa_pdc_cell);
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136
BUG_ON(PDC_OK != status);
137
138
/* verify it's the same as what do_pat_inventory() found */
139
+
BUG_ON(dev->mod_info != pa_pdc_cell->mod_info);
140
+
BUG_ON(dev->pmod_loc != pa_pdc_cell->mod_location);
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142
+
txn_addr = pa_pdc_cell->mod[0]; /* id_eid for IO sapic */
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+
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+
kfree(pa_pdc_cell);
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#ifdef USE_PAT_CPUID
147
/* We need contiguous numbers for cpuid. Firmware's notion