x86: unify tss_struct

Although slighly different, the tss_struct is very similar in x86_64 and
i386. The really different part, which matchs the hardware vision of it, is
now called x86_hw_tss, and each of the architectures provides yours.
It's then used as a field in the outter tss_struct.

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 1 insertions, 34 deletions

diff --git a/include/asm-x86/processor_64.h b/include/asm-x86/processor_64.h
index 1984a4a38b74..8d342c23ad14 100644
--- a/include/asm-x86/processor_64.h
+++ b/include/asm-x86/processor_64.h
@@ -91,14 +91,6 @@ extern void identify_cpu(struct cpuinfo_x86 *);
 #define TASK_SIZE               (test_thread_flag(TIF_IA32) ? IA32_PAGE_OFFSET : TASK_SIZE64)
 #define TASK_SIZE_OF(child)     ((test_tsk_thread_flag(child, TIF_IA32)) ? IA32_PAGE_OFFSET : TASK_SIZE64)
 
-/*
- * Size of io_bitmap.
- */
-#define IO_BITMAP_BITS  65536
-#define IO_BITMAP_BYTES (IO_BITMAP_BITS/8)
-#define IO_BITMAP_LONGS (IO_BITMAP_BYTES/sizeof(long))
-#define IO_BITMAP_OFFSET offsetof(struct tss_struct,io_bitmap)
-#define INVALID_IO_BITMAP_OFFSET 0x8000
 
 struct i387_fxsave_struct {
         u16     cwd;
@@ -118,32 +110,7 @@ union i387_union {
         struct i387_fxsave_struct       fxsave;
 };
 
-struct tss_struct {
-        u32 reserved1;
-        u64 sp0;
-        u64 sp1;
-        u64 sp2;
-        u64 reserved2;
-        u64 ist[7];
-        u32 reserved3;
-        u32 reserved4;
-        u16 reserved5;
-        u16 io_bitmap_base;
-        /*
-         * The extra 1 is there because the CPU will access an
-         * additional byte beyond the end of the IO permission
-         * bitmap. The extra byte must be all 1 bits, and must
-         * be within the limit. Thus we have:
-         *
-         * 128 bytes, the bitmap itself, for ports 0..0x3ff
-         * 8 bytes, for an extra "long" of ~0UL
-         */
-        unsigned long io_bitmap[IO_BITMAP_LONGS + 1];
-} __attribute__((packed)) ____cacheline_aligned;
-
-
 extern struct cpuinfo_x86 boot_cpu_data;
-DECLARE_PER_CPU(struct tss_struct,init_tss);
 /* Save the original ist values for checking stack pointers during debugging */
 struct orig_ist {
         unsigned long ist[7];
@@ -195,7 +162,7 @@ struct thread_struct {
 }
 
 #define INIT_TSS  { \
-        .sp0 = (unsigned long)&init_stack + sizeof(init_stack) \
+        .x86_tss.sp0 = (unsigned long)&init_stack + sizeof(init_stack) \
 }
 
 #define INIT_MMAP \