diff options
60 files changed, 183 insertions, 208 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 1846fbfd6bf..6fe532d8241 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -23,14 +23,14 @@ config GENERIC_BUST_SPINLOCK mainmenu "Linux Kernel Configuration" -config ARCH_S390 +config S390 bool default y config UID16 bool default y - depends on ARCH_S390X = 'n' + depends on !64BIT source "init/Kconfig" @@ -38,20 +38,12 @@ menu "Base setup" comment "Processor type and features" -config ARCH_S390X +config 64BIT bool "64 bit kernel" help Select this option if you have a 64 bit IBM zSeries machine and want to use the 64 bit addressing mode. -config 64BIT - def_bool ARCH_S390X - -config ARCH_S390_31 - bool - depends on ARCH_S390X = 'n' - default y - config SMP bool "Symmetric multi-processing support" ---help--- @@ -101,20 +93,15 @@ config MATHEMU on older S/390 machines. Say Y unless you know your machine doesn't need this. -config S390_SUPPORT +config COMPAT bool "Kernel support for 31 bit emulation" - depends on ARCH_S390X + depends on 64BIT help Select this option if you want to enable your system kernel to handle system-calls from ELF binaries for 31 bit ESA. This option (and some other stuff like libraries and such) is needed for executing 31 bit applications. It is safe to say "Y". -config COMPAT - bool - depends on S390_SUPPORT - default y - config SYSVIPC_COMPAT bool depends on COMPAT && SYSVIPC @@ -122,7 +109,7 @@ config SYSVIPC_COMPAT config BINFMT_ELF32 tristate "Kernel support for 31 bit ELF binaries" - depends on S390_SUPPORT + depends on COMPAT help This allows you to run 32-bit Linux/ELF binaries on your zSeries in 64 bit mode. Everybody wants this; say Y. @@ -135,7 +122,7 @@ choice config MARCH_G5 bool "S/390 model G5 and G6" - depends on ARCH_S390_31 + depends on !64BIT help Select this to build a 31 bit kernel that works on all S/390 and zSeries machines. diff --git a/arch/s390/Makefile b/arch/s390/Makefile index 73a09a6ee6c..6c6b197898d 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile @@ -13,16 +13,14 @@ # Copyright (C) 1994 by Linus Torvalds # -ifdef CONFIG_ARCH_S390_31 +ifndef CONFIG_64BIT LDFLAGS := -m elf_s390 CFLAGS += -m31 AFLAGS += -m31 UTS_MACHINE := s390 STACK_SIZE := 8192 CHECKFLAGS += -D__s390__ -endif - -ifdef CONFIG_ARCH_S390X +else LDFLAGS := -m elf64_s390 MODFLAGS += -fpic -D__PIC__ CFLAGS += -m64 diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index dee6ab54984..d06a8d71c71 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -40,7 +40,7 @@ #define TOD_MICRO 0x01000 /* nr. of TOD clock units for 1 microsecond */ -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT #define APPLDATA_START_INTERVAL_REC 0x00 /* Function codes for */ #define APPLDATA_STOP_REC 0x01 /* DIAG 0xDC */ @@ -54,13 +54,13 @@ #define APPLDATA_GEN_EVENT_RECORD 0x82 #define APPLDATA_START_CONFIG_REC 0x83 -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ /* * Parameter list for DIAGNOSE X'DC' */ -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT struct appldata_parameter_list { u16 diag; /* The DIAGNOSE code X'00DC' */ u8 function; /* The function code for the DIAGNOSE */ @@ -82,7 +82,7 @@ struct appldata_parameter_list { u64 product_id_addr; u64 buffer_addr; }; -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ /* * /proc entries (sysctl) diff --git a/arch/s390/crypto/crypt_s390.h b/arch/s390/crypto/crypt_s390.h index d6712cfa6de..d1c259a7fe3 100644 --- a/arch/s390/crypto/crypt_s390.h +++ b/arch/s390/crypto/crypt_s390.h @@ -112,7 +112,7 @@ struct crypt_s390_query_status { * [ret] is the variable to receive the error code * [ERR] is the error code value */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define __crypt_s390_fixup \ ".section .fixup,\"ax\" \n" \ "7: lhi %0,%h[e1] \n" \ @@ -129,7 +129,7 @@ struct crypt_s390_query_status { " .long 0b,7b \n" \ " .long 1b,8b \n" \ ".previous" -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define __crypt_s390_fixup \ ".section .fixup,\"ax\" \n" \ "7: lhi %0,%h[e1] \n" \ @@ -142,7 +142,7 @@ struct crypt_s390_query_status { " .quad 0b,7b \n" \ " .quad 1b,8b \n" \ ".previous" -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ /* * Standard code for setting the result of s390 crypto instructions. @@ -150,10 +150,10 @@ struct crypt_s390_query_status { * [result]: the register containing the result (e.g. second operand length * to compute number of processed bytes]. */ -#ifndef __s390x__ +#ifndef CONFIG_64BIT #define __crypt_s390_set_result \ " lr %0,%[result] \n" -#else /* __s390x__ */ +#else /* CONFIG_64BIT */ #define __crypt_s390_set_result \ " lgr %0,%[result] \n" #endif diff --git a/arch/s390/defconfig b/arch/s390/defconfig index f195c7ea1d7..7d23edc6fac 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -6,7 +6,7 @@ CONFIG_MMU=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_ARCH_S390=y +CONFIG_S390=y CONFIG_UID16=y # @@ -89,9 +89,7 @@ CONFIG_DEFAULT_IOSCHED="anticipatory" # # Processor type and features # -# CONFIG_ARCH_S390X is not set # CONFIG_64BIT is not set -CONFIG_ARCH_S390_31=y CONFIG_SMP=y CONFIG_NR_CPUS=32 CONFIG_HOTPLUG_CPU=y diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile index 7434c32bc63..4865e4b4946 100644 --- a/arch/s390/kernel/Makefile +++ b/arch/s390/kernel/Makefile @@ -8,31 +8,26 @@ obj-y := bitmap.o traps.o time.o process.o \ setup.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o \ semaphore.o s390_ext.o debug.o profile.o irq.o reipl_diag.o +obj-y += $(if $(CONFIG_64BIT),entry64.o,entry.o) +obj-y += $(if $(CONFIG_64BIT),reipl64.o,reipl.o) + extra-y += head.o init_task.o vmlinux.lds obj-$(CONFIG_MODULES) += s390_ksyms.o module.o obj-$(CONFIG_SMP) += smp.o -obj-$(CONFIG_S390_SUPPORT) += compat_linux.o compat_signal.o \ +obj-$(CONFIG_COMPAT) += compat_linux.o compat_signal.o \ compat_ioctl.o compat_wrapper.o \ compat_exec_domain.o obj-$(CONFIG_BINFMT_ELF32) += binfmt_elf32.o -obj-$(CONFIG_ARCH_S390_31) += entry.o reipl.o -obj-$(CONFIG_ARCH_S390X) += entry64.o reipl64.o - obj-$(CONFIG_VIRT_TIMER) += vtime.o # Kexec part S390_KEXEC_OBJS := machine_kexec.o crash.o -ifeq ($(CONFIG_ARCH_S390X),y) -S390_KEXEC_OBJS += relocate_kernel64.o -else -S390_KEXEC_OBJS += relocate_kernel.o -endif +S390_KEXEC_OBJS += $(if $(CONFIG_64BIT),relocate_kernel64.o,relocate_kernel.o) obj-$(CONFIG_KEXEC) += $(S390_KEXEC_OBJS) - # # This is just to get the dependencies... # diff --git a/arch/s390/kernel/cpcmd.c b/arch/s390/kernel/cpcmd.c index d47fecb42cc..4ef44e536b2 100644 --- a/arch/s390/kernel/cpcmd.c +++ b/arch/s390/kernel/cpcmd.c @@ -39,7 +39,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code) if (response != NULL && rlen > 0) { memset(response, 0, rlen); -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT asm volatile ( "lra 2,0(%2)\n" "lr 4,%3\n" "o 4,%6\n" @@ -55,7 +55,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code) : "a" (cpcmd_buf), "d" (cmdlen), "a" (response), "d" (rlen), "m" (mask) : "cc", "2", "3", "4", "5" ); -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ asm volatile ( "lrag 2,0(%2)\n" "lgr 4,%3\n" "o 4,%6\n" @@ -73,11 +73,11 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code) : "a" (cpcmd_buf), "d" (cmdlen), "a" (response), "d" (rlen), "m" (mask) : "cc", "2", "3", "4", "5" ); -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ EBCASC(response, rlen); } else { return_len = 0; -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT asm volatile ( "lra 2,0(%1)\n" "lr 3,%2\n" "diag 2,3,0x8\n" @@ -85,7 +85,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code) : "=d" (return_code) : "a" (cpcmd_buf), "d" (cmdlen) : "2", "3" ); -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ asm volatile ( "lrag 2,0(%1)\n" "lgr 3,%2\n" "sam31\n" @@ -95,7 +95,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code) : "=d" (return_code) : "a" (cpcmd_buf), "d" (cmdlen) : "2", "3" ); -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ } spin_unlock_irqrestore(&cpcmd_lock, flags); if (response_code != NULL) @@ -105,7 +105,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code) EXPORT_SYMBOL(__cpcmd); -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT int cpcmd(const char *cmd, char *response, int rlen, int *response_code) { char *lowbuf; @@ -129,4 +129,4 @@ int cpcmd(const char *cmd, char *response, int rlen, int *response_code) } EXPORT_SYMBOL(cpcmd); -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 4eb71ffcf48..369ab4413ec 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -213,7 +213,7 @@ sysc_nr_ok: mvc SP_ARGS(8,%r15),SP_R7(%r15) sysc_do_restart: larl %r10,sys_call_table -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT tm __TI_flags+5(%r9),(_TIF_31BIT>>16) # running in 31 bit mode ? jno sysc_noemu larl %r10,sys_call_table_emu # use 31 bit emulation system calls @@ -361,7 +361,7 @@ sys_clone_glue: la %r2,SP_PTREGS(%r15) # load pt_regs jg sys_clone # branch to sys_clone -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT sys32_clone_glue: la %r2,SP_PTREGS(%r15) # load pt_regs jg sys32_clone # branch to sys32_clone @@ -383,7 +383,7 @@ sys_execve_glue: bnz 0(%r12) # it did fail -> store result in gpr2 b 6(%r12) # SKIP STG 2,SP_R2(15) in # system_call/sysc_tracesys -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT sys32_execve_glue: la %r2,SP_PTREGS(%r15) # load pt_regs lgr %r12,%r14 # save return address @@ -398,7 +398,7 @@ sys_sigreturn_glue: la %r2,SP_PTREGS(%r15) # load pt_regs as parameter jg sys_sigreturn # branch to sys_sigreturn -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT sys32_sigreturn_glue: la %r2,SP_PTREGS(%r15) # load pt_regs as parameter jg sys32_sigreturn # branch to sys32_sigreturn @@ -408,7 +408,7 @@ sys_rt_sigreturn_glue: la %r2,SP_PTREGS(%r15) # load pt_regs as parameter jg sys_rt_sigreturn # branch to sys_sigreturn -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT sys32_rt_sigreturn_glue: la %r2,SP_PTREGS(%r15) # load pt_regs as parameter jg sys32_rt_sigreturn # branch to sys32_sigreturn @@ -429,7 +429,7 @@ sys_sigsuspend_glue: la %r14,6(%r14) # skip store of return value jg sys_sigsuspend # branch to sys_sigsuspend -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT sys32_sigsuspend_glue: llgfr %r4,%r4 # unsigned long lgr %r5,%r4 # move mask back @@ -449,7 +449,7 @@ sys_rt_sigsuspend_glue: la %r14,6(%r14) # skip store of return value jg sys_rt_sigsuspend # branch to sys_rt_sigsuspend -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT sys32_rt_sigsuspend_glue: llgfr %r3,%r3 # size_t lgr %r4,%r3 # move sigsetsize parameter @@ -464,7 +464,7 @@ sys_sigaltstack_glue: la %r4,SP_PTREGS(%r15) # load pt_regs as parameter jg sys_sigaltstack # branch to sys_sigreturn -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT sys32_sigaltstack_glue: la %r4,SP_PTREGS(%r15) # load pt_regs as parameter jg sys32_sigaltstack_wrapper # branch to sys_sigreturn @@ -1009,7 +1009,7 @@ sys_call_table: #include "syscalls.S" #undef SYSCALL -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT #define SYSCALL(esa,esame,emu) .long emu .globl sys_call_table_emu diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S index d31a97c89f6..ea88d066bf0 100644 --- a/arch/s390/kernel/head.S +++ b/arch/s390/kernel/head.S @@ -30,7 +30,7 @@ #include <asm/thread_info.h> #include <asm/page.h> -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT #define ARCH_OFFSET 4 #else #define ARCH_OFFSET 0 @@ -539,7 +539,7 @@ ipl_devno: .word 0 .endm -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT #include "head64.S" #else #include "head31.S" diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c index 607d506689c..c271cdab58e 100644 --- a/arch/s390/kernel/module.c +++ b/arch/s390/kernel/module.c @@ -37,11 +37,11 @@ #define DEBUGP(fmt , ...) #endif -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT #define PLT_ENTRY_SIZE 12 -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ #define PLT_ENTRY_SIZE 20 -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ void *module_alloc(unsigned long size) { @@ -294,17 +294,17 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, unsigned int *ip; ip = me->module_core + me->arch.plt_offset + info->plt_offset; -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT ip[0] = 0x0d105810; /* basr 1,0; l 1,6(1); br 1 */ ip[1] = 0x100607f1; ip[2] = val; -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ ip[0] = 0x0d10e310; /* basr 1,0; lg 1,10(1); br 1 */ ip[1] = 0x100a0004; ip[2] = 0x07f10000; ip[3] = (unsigned int) (val >> 32); ip[4] = (unsigned int) val; -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ info->plt_initialized = 1; } if (r_type == R_390_PLTOFF16 || diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 78b64fe5e7c..a942bf2d58e 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -235,7 +235,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long new_stackp, /* Save access registers to new thread structure. */ save_access_regs(&p->thread.acrs[0]); -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT /* * save fprs to current->thread.fp_regs to merge them with * the emulated registers and then copy the result to the child. @@ -247,7 +247,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long new_stackp, /* Set a new TLS ? */ if (clone_flags & CLONE_SETTLS) p->thread.acrs[0] = regs->gprs[6]; -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ /* Save the fpu registers to new thread structure. */ save_fp_regs(&p->thread.fp_regs); p->thread.user_seg = __pa((unsigned long) p->mm->pgd) | _REGION_TABLE; @@ -260,7 +260,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long new_stackp, p->thread.acrs[1] = (unsigned int) regs->gprs[6]; } } -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ /* start new process with ar4 pointing to the correct address space */ p->thread.mm_segment = get_fs(); /* Don't copy debug registers */ @@ -339,16 +339,16 @@ out: */ int dump_fpu (struct pt_regs * regs, s390_fp_regs *fpregs) { -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT /* * save fprs to current->thread.fp_regs to merge them with * the emulated registers and then copy the result to the dump. */ save_fp_regs(¤t->thread.fp_regs); memcpy(fpregs, ¤t->thread.fp_regs, sizeof(s390_fp_regs)); -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ save_fp_regs(fpregs); -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ return 1; } diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 06afa3103ac..8ecda6d66de 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -42,7 +42,7 @@ #include <asm/uaccess.h> #include <asm/unistd.h> -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT #include "compat_ptrace.h" #endif @@ -59,7 +59,7 @@ FixPerRegisters(struct task_struct *task) if (per_info->single_step) { per_info->control_regs.bits.starting_addr = 0; -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT if (test_thread_flag(TIF_31BIT)) per_info->control_regs.bits.ending_addr = 0x7fffffffUL; else @@ -112,7 +112,7 @@ ptrace_disable(struct task_struct *child) clear_single_step(child); } -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT # define __ADDR_MASK 3 #else # define __ADDR_MASK 7 @@ -138,7 +138,7 @@ peek_user(struct task_struct *child, addr_t addr, addr_t data) * an alignment of 4. Programmers from hell... */ mask = __ADDR_MASK; -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT if (addr >= (addr_t) &dummy->regs.acrs && addr < (addr_t) &dummy->regs.orig_gpr2) mask = 3; @@ -160,7 +160,7 @@ peek_user(struct task_struct *child, addr_t addr, addr_t data) * access registers are stored in the thread structure */ offset = addr - (addr_t) &dummy->regs.acrs; -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT /* * Very special case: old & broken 64 bit gdb reading * from acrs[15]. Result is a 64 bit value. Read the @@ -218,7 +218,7 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data) * an alignment of 4. Programmers from hell indeed... */ mask = __ADDR_MASK; -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT if (addr >= (addr_t) &dummy->regs.acrs && addr < (addr_t) &dummy->regs.orig_gpr2) mask = 3; @@ -231,13 +231,13 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data) * psw and gprs are stored on the stack */ if (addr == (addr_t) &dummy->regs.psw.mask && -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT data != PSW_MASK_MERGE(PSW_USER32_BITS, data) && #endif data != PSW_MASK_MERGE(PSW_USER_BITS, data)) /* Invalid psw mask. */ return -EINVAL; -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT if (addr == (addr_t) &dummy->regs.psw.addr) /* I'd like to reject addresses without the high order bit but older gdb's rely on it */ @@ -250,7 +250,7 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data) * access registers are stored in the thread structure */ offset = addr - (addr_t) &dummy->regs.acrs; -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT /* * Very special case: old & broken 64 bit gdb writing * to acrs[15] with a 64 bit value. Ignore the lower @@ -357,7 +357,7 @@ do_ptrace_normal(struct task_struct *child, long request, long addr, long data) return ptrace_request(child, request, addr, data); } -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT /* * Now the fun part starts... a 31 bit program running in the * 31 bit emulation tracing another program. PTRACE_PEEKTEXT, @@ -629,7 +629,7 @@ do_ptrace(struct task_struct *child, long request, long addr, long data) return peek_user(child, addr, data); if (request == PTRACE_POKEUSR && addr == PT_IEEE_IP) return poke_user(child, addr, data); -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT if (request == PTRACE_PEEKUSR && addr == PT32_IEEE_IP && test_thread_flag(TIF_31BIT)) return peek_user_emu31(child, addr, data); @@ -695,7 +695,7 @@ do_ptrace(struct task_struct *child, long request, long addr, long data) /* Do requests that differ for 31/64 bit */ default: -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT if (test_thread_flag(TIF_31BIT)) return do_ptrace_emu31(child, request, addr, data); #endif diff --git a/arch/s390/kernel/reipl_diag.c b/arch/s390/kernel/reipl_diag.c index 83cb42bc0b7..1f33951ba43 100644 --- a/ |