src/sys/compat/linux32/arch/amd64/linux32_machdep.c - diff

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version 1.43, 2017/10/21 07:24:26

version 1.44, 2019/03/24 15:58:32

Line 287 linux32_setregs(struct lwp *l, struct ex

fpu_save_area_clear(l, __Linux_NPXCW__);

l->l_md.md_flags = MDL_COMPAT32; /* Forces iret not sysret */

kpreempt_disable();

pcb->pcb_flags = PCB_COMPAT32;

p->p_flag |= PK_32;

l->l_md.md_flags = MDL_COMPAT32; /* force iret not sysret */

cpu_segregs32_zero(l);

cpu_fsgs_reload(l, GSEL(GUDATA32_SEL, SEL_UPL),

GSEL(GUDATA32_SEL, SEL_UPL));

kpreempt_enable();

tf = l->l_md.md_regs;

tf->tf_rax = 0;

Line 315 linux32_setregs(struct lwp *l, struct ex

Line 319 linux32_setregs(struct lwp *l, struct ex

tf->tf_ss = GSEL(GUDATA32_SEL, SEL_UPL);

tf->tf_ds = GSEL(GUDATA32_SEL, SEL_UPL);

tf->tf_es = GSEL(GUDATA32_SEL, SEL_UPL);

cpu_segregs32_zero(l);

cpu_fsgs_reload(l, GSEL(GUDATA32_SEL, SEL_UPL), GSEL(GUDATA32_SEL, SEL_UPL));

}

static void