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[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>
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commit
cdc4b9c019
2 changed files with 3 additions and 6 deletions
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@ -386,7 +386,7 @@ gdt:
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ENTRY(cpu_gdt_table)
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.quad 0x0000000000000000 /* NULL descriptor */
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.quad 0x008f9a000000ffff /* __KERNEL_COMPAT32_CS */
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.quad 0x0 /* unused */
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.quad 0x00af9a000000ffff /* __KERNEL_CS */
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.quad 0x00cf92000000ffff /* __KERNEL_DS */
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.quad 0x00cffa000000ffff /* __USER32_CS */
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@ -396,8 +396,7 @@ ENTRY(cpu_gdt_table)
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.quad 0,0 /* TSS */
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.quad 0,0 /* LDT */
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.quad 0,0,0 /* three TLS descriptors */
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.quad 0x00009a000000ffff /* __KERNEL16_CS - 16bit PM for S3 wakeup. */
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/* base must be patched for real base address. */
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.quad 0 /* unused */
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gdt_end:
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/* asm/segment.h:GDT_ENTRIES must match this */
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/* This should be a multiple of the cache line size */
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@ -19,15 +19,13 @@
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#define __USER_DS 0x2b /* 5*8+3 */
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#define __USER_CS 0x33 /* 6*8+3 */
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#define __USER32_DS __USER_DS
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#define __KERNEL16_CS (GDT_ENTRY_KERNELCS16 * 8)
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#define __KERNEL_COMPAT32_CS 0x8
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#define GDT_ENTRY_TLS 1
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#define GDT_ENTRY_TSS 8 /* needs two entries */
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#define GDT_ENTRY_LDT 10 /* needs two entries */
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#define GDT_ENTRY_TLS_MIN 12
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#define GDT_ENTRY_TLS_MAX 14
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#define GDT_ENTRY_KERNELCS16 15
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/* 15 free */
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#define GDT_ENTRY_TLS_ENTRIES 3
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