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Diffstat (limited to 'include/asm-x86/desc_defs.h')
-rw-r--r--include/asm-x86/desc_defs.h25
1 files changed, 17 insertions, 8 deletions
diff --git a/include/asm-x86/desc_defs.h b/include/asm-x86/desc_defs.h
index 089004070099..de47eb0a23aa 100644
--- a/include/asm-x86/desc_defs.h
+++ b/include/asm-x86/desc_defs.h
@@ -11,17 +11,26 @@
#include <linux/types.h>
+/*
+ * FIXME: Acessing the desc_struct through its fields is more elegant,
+ * and should be the one valid thing to do. However, a lot of open code
+ * still touches the a and b acessors, and doing this allow us to do it
+ * incrementally. We keep the signature as a struct, rather than an union,
+ * so we can get rid of it transparently in the future -- glommer
+ */
// 8 byte segment descriptor
struct desc_struct {
- u16 limit0;
- u16 base0;
- unsigned base1 : 8, type : 4, s : 1, dpl : 2, p : 1;
- unsigned limit : 4, avl : 1, l : 1, d : 1, g : 1, base2 : 8;
-} __attribute__((packed));
+ union {
+ struct { unsigned int a, b; };
+ struct {
+ u16 limit0;
+ u16 base0;
+ unsigned base1: 8, type: 4, s: 1, dpl: 2, p: 1;
+ unsigned limit: 4, avl: 1, l: 1, d: 1, g: 1, base2: 8;
+ };
-struct n_desc_struct {
- unsigned int a,b;
-};
+ };
+} __attribute__((packed));
enum {
GATE_INTERRUPT = 0xE,