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Diffstat (limited to 'arch/x86/kernel/setup.c')
-rw-r--r--arch/x86/kernel/setup.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index ab4734e5411..27d20092986 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -89,6 +89,7 @@
#include <asm/cacheflush.h>
#include <asm/processor.h>
#include <asm/bugs.h>
+#include <asm/kasan.h>
#include <asm/vsyscall.h>
#include <asm/cpu.h>
@@ -431,15 +432,13 @@ static void __init parse_setup_data(void)
pa_data = boot_params.hdr.setup_data;
while (pa_data) {
- u32 data_len, map_len, data_type;
+ u32 data_len, data_type;
- map_len = max(PAGE_SIZE - (pa_data & ~PAGE_MASK),
- (u64)sizeof(struct setup_data));
- data = early_memremap(pa_data, map_len);
+ data = early_memremap(pa_data, sizeof(*data));
data_len = data->len + sizeof(struct setup_data);
data_type = data->type;
pa_next = data->next;
- early_iounmap(data, map_len);
+ early_iounmap(data, sizeof(*data));
switch (data_type) {
case SETUP_E820_EXT:
@@ -1176,6 +1175,8 @@ void __init setup_arch(char **cmdline_p)
x86_init.paging.pagetable_init();
+ kasan_init();
+
if (boot_cpu_data.cpuid_level >= 0) {
/* A CPU has %cr4 if and only if it has CPUID */
mmu_cr4_features = read_cr4();