PIF_SYSCALL
#define _PIF_SYSCALL BIT(PIF_SYSCALL)
return test_pt_regs_flag(regs, PIF_SYSCALL) ?
clear_pt_regs_flag(regs, PIF_SYSCALL);
if (test_pt_regs_flag(regs, PIF_SYSCALL) &&
clear_pt_regs_flag(regs, PIF_SYSCALL); /* No longer in a system call */
test_pt_regs_flag(regs, PIF_SYSCALL) ? regs->int_code : 0;
clear_pt_regs_flag(regs, PIF_SYSCALL);
clear_pt_regs_flag(regs, PIF_SYSCALL);
set_pt_regs_flag(regs, PIF_SYSCALL);