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-rw-r--r--arch/powerpc/kernel/dt_cpu_ftrs.c8
-rw-r--r--arch/powerpc/kernel/irq.c5
-rw-r--r--arch/powerpc/kernel/paca.c6
-rw-r--r--arch/powerpc/kernel/pci_32.c3
-rw-r--r--arch/powerpc/kernel/prom.c5
-rw-r--r--arch/powerpc/kernel/rtas.c6
-rw-r--r--arch/powerpc/kernel/setup-common.c3
-rw-r--r--arch/powerpc/kernel/setup_32.c26
-rw-r--r--arch/powerpc/kernel/setup_64.c4
9 files changed, 46 insertions, 20 deletions
diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c
index 8be3721d9302..af6814ae8b58 100644
--- a/arch/powerpc/kernel/dt_cpu_ftrs.c
+++ b/arch/powerpc/kernel/dt_cpu_ftrs.c
@@ -813,7 +813,6 @@ static int __init process_cpufeatures_node(unsigned long node,
int len;
f = &dt_cpu_features[i];
- memset(f, 0, sizeof(struct dt_cpu_feature));
f->node = node;
@@ -1008,7 +1007,12 @@ static int __init dt_cpu_ftrs_scan_callback(unsigned long node, const char
/* Count and allocate space for cpu features */
of_scan_flat_dt_subnodes(node, count_cpufeatures_subnodes,
&nr_dt_cpu_features);
- dt_cpu_features = __va(memblock_phys_alloc(sizeof(struct dt_cpu_feature) * nr_dt_cpu_features, PAGE_SIZE));
+ dt_cpu_features = memblock_alloc(sizeof(struct dt_cpu_feature) * nr_dt_cpu_features, PAGE_SIZE);
+ if (!dt_cpu_features)
+ panic("%s: Failed to allocate %zu bytes align=0x%lx\n",
+ __func__,
+ sizeof(struct dt_cpu_feature) * nr_dt_cpu_features,
+ PAGE_SIZE);
cpufeatures_setup_start(isa);
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index bb299613a462..4a5dd8800946 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -725,18 +725,15 @@ void exc_lvl_ctx_init(void)
#endif
#endif
- memset((void *)critirq_ctx[cpu_nr], 0, THREAD_SIZE);
tp = critirq_ctx[cpu_nr];
tp->cpu = cpu_nr;
tp->preempt_count = 0;
#ifdef CONFIG_BOOKE
- memset((void *)dbgirq_ctx[cpu_nr], 0, THREAD_SIZE);
tp = dbgirq_ctx[cpu_nr];
tp->cpu = cpu_nr;
tp->preempt_count = 0;
- memset((void *)mcheckirq_ctx[cpu_nr], 0, THREAD_SIZE);
tp = mcheckirq_ctx[cpu_nr];
tp->cpu = cpu_nr;
tp->preempt_count = HARDIRQ_OFFSET;
@@ -754,12 +751,10 @@ void irq_ctx_init(void)
int i;
for_each_possible_cpu(i) {
- memset((void *)softirq_ctx[i], 0, THREAD_SIZE);
tp = softirq_ctx[i];
tp->cpu = i;
klp_init_thread_info(tp);
- memset((void *)hardirq_ctx[i], 0, THREAD_SIZE);
tp = hardirq_ctx[i];
tp->cpu = i;
klp_init_thread_info(tp);
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index 8c890c6557ed..e7382abee868 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -196,7 +196,11 @@ void __init allocate_paca_ptrs(void)
paca_nr_cpu_ids = nr_cpu_ids;
paca_ptrs_size = sizeof(struct paca_struct *) * nr_cpu_ids;
- paca_ptrs = __va(memblock_phys_alloc(paca_ptrs_size, SMP_CACHE_BYTES));
+ paca_ptrs = memblock_alloc_raw(paca_ptrs_size, SMP_CACHE_BYTES);
+ if (!paca_ptrs)
+ panic("Failed to allocate %d bytes for paca pointers\n",
+ paca_ptrs_size);
+
memset(paca_ptrs, 0x88, paca_ptrs_size);
}
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index d3f04f2d8249..0417fda13636 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -205,6 +205,9 @@ pci_create_OF_bus_map(void)
of_prop = memblock_alloc(sizeof(struct property) + 256,
SMP_CACHE_BYTES);
+ if (!of_prop)
+ panic("%s: Failed to allocate %zu bytes\n", __func__,
+ sizeof(struct property) + 256);
dn = of_find_node_by_path("/");
if (dn) {
memset(of_prop, -1, sizeof(struct property) + 256);
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index e97aaf201d67..c0ed4fa0b9d3 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -127,7 +127,10 @@ static void __init move_device_tree(void)
if ((memory_limit && (start + size) > PHYSICAL_START + memory_limit) ||
!memblock_is_memory(start + size - 1) ||
overlaps_crashkernel(start, size) || overlaps_initrd(start, size)) {
- p = __va(memblock_phys_alloc(size, PAGE_SIZE));
+ p = memblock_alloc_raw(size, PAGE_SIZE);
+ if (!p)
+ panic("Failed to allocate %lu bytes to move device tree\n",
+ size);
memcpy(p, initial_boot_params, size);
initial_boot_params = p;
DBG("Moved device tree to 0x%px\n", p);
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index de35bd8f047f..fbc676160adf 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -1187,7 +1187,11 @@ void __init rtas_initialize(void)
ibm_suspend_me_token = rtas_token("ibm,suspend-me");
}
#endif
- rtas_rmo_buf = memblock_alloc_base(RTAS_RMOBUF_MAX, PAGE_SIZE, rtas_region);
+ rtas_rmo_buf = memblock_phys_alloc_range(RTAS_RMOBUF_MAX, PAGE_SIZE,
+ 0, rtas_region);
+ if (!rtas_rmo_buf)
+ panic("ERROR: RTAS: Failed to allocate %lx bytes below %pa\n",
+ PAGE_SIZE, &rtas_region);
#ifdef CONFIG_RTAS_ERROR_LOGGING
rtas_last_error_token = rtas_token("rtas-last-error");
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 82be48c123cf..1810f09f0b09 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -461,6 +461,9 @@ void __init smp_setup_cpu_maps(void)
cpu_to_phys_id = memblock_alloc(nr_cpu_ids * sizeof(u32),
__alignof__(u32));
+ if (!cpu_to_phys_id)
+ panic("%s: Failed to allocate %zu bytes align=0x%zx\n",
+ __func__, nr_cpu_ids * sizeof(u32), __alignof__(u32));
for_each_node_by_type(dn, "cpu") {
const __be32 *intserv;
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index c31082233a25..4a65e08a6042 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -162,6 +162,17 @@ static int __init ppc_init(void)
}
arch_initcall(ppc_init);
+static void *__init alloc_stack(void)
+{
+ void *ptr = memblock_alloc(THREAD_SIZE, THREAD_SIZE);
+
+ if (!ptr)
+ panic("cannot allocate %d bytes for stack at %pS\n",
+ THREAD_SIZE, (void *)_RET_IP_);
+
+ return ptr;
+}
+
void __init irqstack_early_init(void)
{
unsigned int i;
@@ -169,10 +180,8 @@ void __init irqstack_early_init(void)
/* interrupt stacks must be in lowmem, we get that for free on ppc32
* as the memblock is limited to lowmem by default */
for_each_possible_cpu(i) {
- softirq_ctx[i] = (struct thread_info *)
- __va(memblock_phys_alloc(THREAD_SIZE, THREAD_SIZE));
- hardirq_ctx[i] = (struct thread_info *)
- __va(memblock_phys_alloc(THREAD_SIZE, THREAD_SIZE));
+ softirq_ctx[i] = alloc_stack();
+ hardirq_ctx[i] = alloc_stack();
}
}
@@ -190,13 +199,10 @@ void __init exc_lvl_early_init(void)
hw_cpu = 0;
#endif
- critirq_ctx[hw_cpu] = (struct thread_info *)
- __va(memblock_phys_alloc(THREAD_SIZE, THREAD_SIZE));
+ critirq_ctx[hw_cpu] = alloc_stack();
#ifdef CONFIG_BOOKE
- dbgirq_ctx[hw_cpu] = (struct thread_info *)
- __va(memblock_phys_alloc(THREAD_SIZE, THREAD_SIZE));
- mcheckirq_ctx[hw_cpu] = (struct thread_info *)
- __va(memblock_phys_alloc(THREAD_SIZE, THREAD_SIZE));
+ dbgirq_ctx[hw_cpu] = alloc_stack();
+ mcheckirq_ctx[hw_cpu] = alloc_stack();
#endif
}
}
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 3dcd779aef44..dd62b0592128 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -931,6 +931,10 @@ static void __ref init_fallback_flush(void)
l1d_flush_fallback_area = memblock_alloc_try_nid(l1d_size * 2,
l1d_size, MEMBLOCK_LOW_LIMIT,
limit, NUMA_NO_NODE);
+ if (!l1d_flush_fallback_area)
+ panic("%s: Failed to allocate %llu bytes align=0x%llx max_addr=%pa\n",
+ __func__, l1d_size * 2, l1d_size, &limit);
+
for_each_possible_cpu(cpu) {
struct paca_struct *paca = paca_ptrs[cpu];
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-05 12:03:20 +0000