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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2009-07-19 00:09:56 +0900 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-07-19 18:27:52 +0200 |
| commit | fde0312d01b60a3fd5dc56e69a9613defbbc7097 (patch) | |
| tree | ad6602686a94d5c6b45eb3d759d51b7a6d4d2d2c | |
| parent | 254e0a6bff87ab8b22293c4bd1443507df698407 (diff) | |
| download | linux-fde0312d01b60a3fd5dc56e69a9613defbbc7097.tar.gz | |
x86: Remove unused patch_espfix_desc()
patch_espfix_desc() is not used after commit dc4c2a0aed3b09f6e255bd5c3faa50fe6e0b2ded Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> LKML-Reference: <20090718150955.GB11294@localhost.localdomain> Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/include/asm/traps.h | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/traps.c | 21 |
2 files changed, 1 insertions, 24 deletions
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h index bfd74c032fca..4da91ad69e0d 100644 --- a/arch/x86/include/asm/traps.h +++ b/arch/x86/include/asm/traps.h @@ -81,9 +81,7 @@ extern int panic_on_unrecovered_nmi; void math_error(void __user *); void math_emulate(struct math_emu_info *); -#ifdef CONFIG_X86_32 -unsigned long patch_espfix_desc(unsigned long, unsigned long); -#else +#ifndef CONFIG_X86_32 asmlinkage void smp_thermal_interrupt(void); asmlinkage void mce_threshold_interrupt(void); #endif diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 5204332f475d..236794110207 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -786,27 +786,6 @@ do_spurious_interrupt_bug(struct pt_regs *regs, long error_code) #endif } -#ifdef CONFIG_X86_32 -unsigned long patch_espfix_desc(unsigned long uesp, unsigned long kesp) -{ - struct desc_struct *gdt = get_cpu_gdt_table(smp_processor_id()); - unsigned long base = (kesp - uesp) & -THREAD_SIZE; - unsigned long new_kesp = kesp - base; - unsigned long lim_pages = (new_kesp | (THREAD_SIZE - 1)) >> PAGE_SHIFT; - __u64 desc = *(__u64 *)&gdt[GDT_ENTRY_ESPFIX_SS]; - - /* Set up base for espfix segment */ - desc &= 0x00f0ff0000000000ULL; - desc |= ((((__u64)base) << 16) & 0x000000ffffff0000ULL) | - ((((__u64)base) << 32) & 0xff00000000000000ULL) | - ((((__u64)lim_pages) << 32) & 0x000f000000000000ULL) | - (lim_pages & 0xffff); - *(__u64 *)&gdt[GDT_ENTRY_ESPFIX_SS] = desc; - - return new_kesp; -} -#endif - asmlinkage void __attribute__((weak)) smp_thermal_interrupt(void) { } |