From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/arch/x86/kernel/setup_percpu.c | 31 ++++++++++++++-----------------
1 files changed, 14 insertions(+), 17 deletions(-)
diff --git a/kernel/arch/x86/kernel/setup_percpu.c b/kernel/arch/x86/kernel/setup_percpu.c
index ea554f8..fd945ce 100644
--- a/kernel/arch/x86/kernel/setup_percpu.c
+++ b/kernel/arch/x86/kernel/setup_percpu.c
@@ -4,7 +4,7 @@
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/init.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
#include <linux/percpu.h>
#include <linux/kexec.h>
#include <linux/crash_dump.h>
@@ -106,20 +106,22 @@
void *ptr;
if (!node_online(node) || !NODE_DATA(node)) {
- ptr = __alloc_bootmem_nopanic(size, align, goal);
+ ptr = memblock_alloc_from(size, align, goal);
pr_info("cpu %d has no node %d or node-local memory\n",
cpu, node);
pr_debug("per cpu data for cpu%d %lu bytes at %016lx\n",
cpu, size, __pa(ptr));
} else {
- ptr = __alloc_bootmem_node_nopanic(NODE_DATA(node),
- size, align, goal);
+ ptr = memblock_alloc_try_nid(size, align, goal,
+ MEMBLOCK_ALLOC_ACCESSIBLE,
+ node);
+
pr_debug("per cpu data for cpu%d %lu bytes on node%d at %016lx\n",
cpu, size, node, __pa(ptr));
}
return ptr;
#else
- return __alloc_bootmem_nopanic(size, align, goal);
+ return memblock_alloc_from(size, align, goal);
#endif
}
@@ -133,7 +135,7 @@
static void __init pcpu_fc_free(void *ptr, size_t size)
{
- free_bootmem(__pa(ptr), size);
+ memblock_free(__pa(ptr), size);
}
static int __init pcpu_cpu_distance(unsigned int from, unsigned int to)
@@ -169,7 +171,7 @@
unsigned long delta;
int rc;
- pr_info("NR_CPUS:%d nr_cpumask_bits:%d nr_cpu_ids:%u nr_node_ids:%d\n",
+ pr_info("NR_CPUS:%d nr_cpumask_bits:%d nr_cpu_ids:%u nr_node_ids:%u\n",
NR_CPUS, nr_cpumask_bits, nr_cpu_ids, nr_node_ids);
/*
@@ -205,8 +207,8 @@
pcpu_cpu_distance,
pcpu_fc_alloc, pcpu_fc_free);
if (rc < 0)
- pr_warning("%s allocator failed (%d), falling back to page size\n",
- pcpu_fc_names[pcpu_chosen_fc], rc);
+ pr_warn("%s allocator failed (%d), falling back to page size\n",
+ pcpu_fc_names[pcpu_chosen_fc], rc);
}
if (rc < 0)
rc = pcpu_page_first_chunk(PERCPU_FIRST_CHUNK_RESERVE,
@@ -241,11 +243,6 @@
#ifdef CONFIG_X86_32
per_cpu(x86_cpu_to_logical_apicid, cpu) =
early_per_cpu_map(x86_cpu_to_logical_apicid, cpu);
-#endif
-#ifdef CONFIG_X86_64
- per_cpu(irq_stack_ptr, cpu) =
- per_cpu(irq_stack_union.irq_stack, cpu) +
- IRQ_STACK_SIZE;
#endif
#ifdef CONFIG_NUMA
per_cpu(x86_cpu_to_node_map, cpu) =
@@ -290,9 +287,9 @@
/*
* Sync back kernel address range again. We already did this in
* setup_arch(), but percpu data also needs to be available in
- * the smpboot asm. We can't reliably pick up percpu mappings
- * using vmalloc_fault(), because exception dispatch needs
- * percpu data.
+ * the smpboot asm and arch_sync_kernel_mappings() doesn't sync to
+ * swapper_pg_dir on 32-bit. The per-cpu mappings need to be available
+ * there too.
*
* FIXME: Can the later sync in setup_cpu_entry_areas() replace
* this call?
--
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