aboutsummaryrefslogtreecommitdiff
path: root/arch/i386/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/i386/kernel')
-rw-r--r--arch/i386/kernel/Makefile1
-rw-r--r--arch/i386/kernel/audit.c23
-rw-r--r--arch/i386/kernel/entry.S4
-rw-r--r--arch/i386/kernel/setup.c32
4 files changed, 36 insertions, 24 deletions
diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile
index ab98fc21a54..5427a842e84 100644
--- a/arch/i386/kernel/Makefile
+++ b/arch/i386/kernel/Makefile
@@ -39,7 +39,6 @@ obj-$(CONFIG_VM86) += vm86.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_HPET_TIMER) += hpet.o
obj-$(CONFIG_K8_NB) += k8.o
-obj-$(CONFIG_AUDIT) += audit.o
EXTRA_AFLAGS := -traditional
diff --git a/arch/i386/kernel/audit.c b/arch/i386/kernel/audit.c
deleted file mode 100644
index 5a53c6f371f..00000000000
--- a/arch/i386/kernel/audit.c
+++ /dev/null
@@ -1,23 +0,0 @@
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/audit.h>
-#include <asm/unistd.h>
-
-static unsigned dir_class[] = {
-#include <asm-generic/audit_dir_write.h>
-~0U
-};
-
-static unsigned chattr_class[] = {
-#include <asm-generic/audit_change_attr.h>
-~0U
-};
-
-static int __init audit_classes_init(void)
-{
- audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
- audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
- return 0;
-}
-
-__initcall(audit_classes_init);
diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S
index 37a7d2eaf4a..87f9f60b803 100644
--- a/arch/i386/kernel/entry.S
+++ b/arch/i386/kernel/entry.S
@@ -209,6 +209,10 @@ ENTRY(ret_from_fork)
GET_THREAD_INFO(%ebp)
popl %eax
CFI_ADJUST_CFA_OFFSET -4
+ pushl $0x0202 # Reset kernel eflags
+ CFI_ADJUST_CFA_OFFSET 4
+ popfl
+ CFI_ADJUST_CFA_OFFSET -4
jmp syscall_exit
CFI_ENDPROC
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 345ffb7d904..f1682206d30 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -956,6 +956,38 @@ efi_memory_present_wrapper(unsigned long start, unsigned long end, void *arg)
return 0;
}
+ /*
+ * This function checks if the entire range <start,end> is mapped with type.
+ *
+ * Note: this function only works correct if the e820 table is sorted and
+ * not-overlapping, which is the case
+ */
+int __init
+e820_all_mapped(unsigned long s, unsigned long e, unsigned type)
+{
+ u64 start = s;
+ u64 end = e;
+ int i;
+ for (i = 0; i < e820.nr_map; i++) {
+ struct e820entry *ei = &e820.map[i];
+ if (type && ei->type != type)
+ continue;
+ /* is the region (part) in overlap with the current region ?*/
+ if (ei->addr >= end || ei->addr + ei->size <= start)
+ continue;
+ /* if the region is at the beginning of <start,end> we move
+ * start to the end of the region since it's ok until there
+ */
+ if (ei->addr <= start)
+ start = ei->addr + ei->size;
+ /* if start is now at or beyond end, we're done, full
+ * coverage */
+ if (start >= end)
+ return 1; /* we're done */
+ }
+ return 0;
+}
+
/*
* Find the highest page frame number we have available
*/