From 9aba4ee856cc0e3d60b2c1b4eb0224ac23042a0a Mon Sep 17 00:00:00 2001
From: Armin Luntzer <armin.luntzer@univie.ac.at>
Date: Mon, 16 Jul 2018 14:26:26 +0200
Subject: [PATCH] SPARC bootmem: disable interrupts for alloc/free sections
---
arch/sparc/kernel/bootmem.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/sparc/kernel/bootmem.c b/arch/sparc/kernel/bootmem.c
index 58d289d..26241a7 100644
--- a/arch/sparc/kernel/bootmem.c
+++ b/arch/sparc/kernel/bootmem.c
@@ -28,6 +28,7 @@
#include <kernel/printk.h>
#include <kernel/kernel.h>
+#include <asm/irqflags.h>
#include <chunk.h>
@@ -101,7 +102,9 @@ void *bootmem_alloc(size_t size)
if (!size)
return NULL;
+ arch_local_irq_disable();
ptr = chunk_alloc(&phys_mem_pool, size);
+ arch_local_irq_enable();
if (!ptr) {
pr_emerg("BOOTMEM: allocator out of memory\n");
@@ -120,7 +123,9 @@ void *bootmem_alloc(size_t size)
void bootmem_free(void *ptr)
{
+ arch_local_irq_disable();
chunk_free(&phys_mem_pool, ptr);
+ arch_local_irq_enable();
}
--
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