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Glauber de Oliveira Costa
507f90c9f9
This patch moves _set_gate and its users to desc.h. We can now use common code for x86_64 and i386. [ mingo@elte.hu: set_system_gate() fixes for nasty crashes. ] 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>
28 lines
596 B
C
28 lines
596 B
C
#ifndef __ARCH_DESC_H
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#define __ARCH_DESC_H
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#include <asm/ldt.h>
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#include <asm/segment.h>
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#include <asm/desc_defs.h>
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#ifndef __ASSEMBLY__
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#include <linux/preempt.h>
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#include <linux/percpu.h>
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static inline void __set_tss_desc(unsigned int cpu, unsigned int entry, const void *addr)
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{
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tss_desc tss;
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pack_descriptor(&tss, (unsigned long)addr,
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offsetof(struct tss_struct, __cacheline_filler) - 1,
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DESC_TSS, 0);
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write_gdt_entry(get_cpu_gdt_table(cpu), entry, &tss, DESC_TSS);
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}
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#define set_tss_desc(cpu,addr) __set_tss_desc(cpu, GDT_ENTRY_TSS, addr)
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#endif /* !__ASSEMBLY__ */
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#endif
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