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-rw-r--r--arch/x86/include/asm/io_bitmap.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/io_bitmap.h b/arch/x86/include/asm/io_bitmap.h
index 784a88edb25d..b664baadf736 100644
--- a/arch/x86/include/asm/io_bitmap.h
+++ b/arch/x86/include/asm/io_bitmap.h
@@ -2,15 +2,20 @@
#ifndef _ASM_X86_IOBITMAP_H
#define _ASM_X86_IOBITMAP_H
+#include <linux/refcount.h>
#include <asm/processor.h>
struct io_bitmap {
u64 sequence;
+ refcount_t refcnt;
/* The maximum number of bytes to copy so all zero bits are covered */
unsigned int max;
unsigned long bitmap[IO_BITMAP_LONGS];
};
+struct task_struct;
+
+void io_bitmap_share(struct task_struct *tsk);
void io_bitmap_exit(void);
void tss_update_io_bitmap(void);
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