mirror of
https://github.com/team-infusion-developers/android_kernel_samsung_msm8976.git
synced 2024-10-03 02:11:29 +00:00
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>
34 lines
770 B
C
34 lines
770 B
C
/* Written 2000 by Andi Kleen */
|
|
#ifndef __ARCH_DESC_H
|
|
#define __ARCH_DESC_H
|
|
|
|
#include <linux/threads.h>
|
|
#include <asm/ldt.h>
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#include <linux/string.h>
|
|
|
|
#include <asm/segment.h>
|
|
|
|
static inline void set_tss_desc(unsigned cpu, void *addr)
|
|
{
|
|
struct desc_struct *d = get_cpu_gdt_table(cpu);
|
|
tss_desc tss;
|
|
|
|
/*
|
|
* sizeof(unsigned long) coming from an extra "long" at the end
|
|
* of the iobitmap. See tss_struct definition in processor.h
|
|
*
|
|
* -1? seg base+limit should be pointing to the address of the
|
|
* last valid byte
|
|
*/
|
|
set_tssldt_descriptor(&tss,
|
|
(unsigned long)addr, DESC_TSS,
|
|
IO_BITMAP_OFFSET + IO_BITMAP_BYTES + sizeof(unsigned long) - 1);
|
|
write_gdt_entry(d, GDT_ENTRY_TSS, &tss, DESC_TSS);
|
|
}
|
|
|
|
#endif /* !__ASSEMBLY__ */
|
|
|
|
#endif
|