__arg1 113 arch/x86/include/asm/xen/hypercall.h register unsigned long __arg1 asm(__HYPERCALL_ARG1REG) = __arg1; \ __arg1 120 arch/x86/include/asm/xen/hypercall.h #define __HYPERCALL_1PARAM __HYPERCALL_0PARAM, "+r" (__arg1) __arg1 128 arch/x86/include/asm/xen/hypercall.h __HYPERCALL_0ARG() __arg1 = (unsigned long)(a1);