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authorAndi Kleen <ak@suse.de>2006-01-11 22:46:24 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-11 19:05:01 -0800
commitcdc4b9c01909d606afbc1e4a4b6c21fa1687a016 (patch)
tree4c4c7191509f6527cc3813af1ee92f07bea0bbed
parentaf5b98042452cc6f50de8afa9d079bda8556d74d (diff)
[PATCH] x86_64: Remove unused segments
They used to be used by the reboot code, but not anymore. Noticed by Jan Beulich Cc: JBeulich@novell.com Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--arch/x86_64/kernel/head.S5
-rw-r--r--include/asm-x86_64/segment.h4
2 files changed, 3 insertions, 6 deletions
diff --git a/arch/x86_64/kernel/head.S b/arch/x86_64/kernel/head.S
index 1d216a9fc6d..38fc3d5112e 100644
--- a/arch/x86_64/kernel/head.S
+++ b/arch/x86_64/kernel/head.S
@@ -386,7 +386,7 @@ gdt:
ENTRY(cpu_gdt_table)
.quad 0x0000000000000000 /* NULL descriptor */
- .quad 0x008f9a000000ffff /* __KERNEL_COMPAT32_CS */
+ .quad 0x0 /* unused */
.quad 0x00af9a000000ffff /* __KERNEL_CS */
.quad 0x00cf92000000ffff /* __KERNEL_DS */
.quad 0x00cffa000000ffff /* __USER32_CS */
@@ -396,8 +396,7 @@ ENTRY(cpu_gdt_table)
.quad 0,0 /* TSS */
.quad 0,0 /* LDT */
.quad 0,0,0 /* three TLS descriptors */
- .quad 0x00009a000000ffff /* __KERNEL16_CS - 16bit PM for S3 wakeup. */
- /* base must be patched for real base address. */
+ .quad 0 /* unused */
gdt_end:
/* asm/segment.h:GDT_ENTRIES must match this */
/* This should be a multiple of the cache line size */
diff --git a/include/asm-x86_64/segment.h b/include/asm-x86_64/segment.h
index 44adaf18c11..d4bed33fb32 100644
--- a/include/asm-x86_64/segment.h
+++ b/include/asm-x86_64/segment.h
@@ -19,15 +19,13 @@
#define __USER_DS 0x2b /* 5*8+3 */
#define __USER_CS 0x33 /* 6*8+3 */
#define __USER32_DS __USER_DS
-#define __KERNEL16_CS (GDT_ENTRY_KERNELCS16 * 8)
-#define __KERNEL_COMPAT32_CS 0x8
#define GDT_ENTRY_TLS 1
#define GDT_ENTRY_TSS 8 /* needs two entries */
#define GDT_ENTRY_LDT 10 /* needs two entries */
#define GDT_ENTRY_TLS_MIN 12
#define GDT_ENTRY_TLS_MAX 14
-#define GDT_ENTRY_KERNELCS16 15
+/* 15 free */
#define GDT_ENTRY_TLS_ENTRIES 3