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-rw-r--r--arch/s390/kernel/Makefile15
-rw-r--r--arch/s390/kernel/compat_linux.c2
-rw-r--r--arch/s390/kernel/compat_signal.c2
-rw-r--r--arch/s390/kernel/cpcmd.c16
-rw-r--r--arch/s390/kernel/entry64.S18
-rw-r--r--arch/s390/kernel/head.S4
-rw-r--r--arch/s390/kernel/machine_kexec.c2
-rw-r--r--arch/s390/kernel/module.c12
-rw-r--r--arch/s390/kernel/process.c12
-rw-r--r--arch/s390/kernel/ptrace.c24
-rw-r--r--arch/s390/kernel/reipl_diag.c2
-rw-r--r--arch/s390/kernel/setup.c14
-rw-r--r--arch/s390/kernel/signal.c8
-rw-r--r--arch/s390/kernel/smp.c14
-rw-r--r--arch/s390/kernel/sys_s390.c12
-rw-r--r--arch/s390/kernel/traps.c10
-rw-r--r--arch/s390/kernel/vmlinux.lds.S2
17 files changed, 80 insertions, 89 deletions
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/compat_linux.c b/arch/s390/kernel/compat_linux.c
index ed877d0f27e..41b197a3f3a 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -279,7 +279,7 @@ asmlinkage long sys32_getegid16(void)
static inline long get_tv32(struct timeval *o, struct compat_timeval *i)
{
- return (!access_ok(VERIFY_READ, tv32, sizeof(*tv32)) ||
+ return (!access_ok(VERIFY_READ, o, sizeof(*o)) ||
(__get_user(o->tv_sec, &i->tv_sec) ||
__get_user(o->tv_usec, &i->tv_usec)));
}
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index 4ff6808456e..fa2b3bc22f2 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -467,8 +467,6 @@ asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs)
if (err)
goto badframe;
- /* It is more difficult to avoid calling this function than to
- call it and ignore errors. */
set_fs (KERNEL_DS);
do_sigaltstack((stack_t __user *)&st, NULL, regs->gprs[15]);
set_fs (old_fs);
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/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index 5aa71b05b8a..f0ed5c642c7 100644
--- a/arch/s390/kernel/machine_kexec.c
+++ b/arch/s390/kernel/machine_kexec.c
@@ -85,7 +85,7 @@ kexec_halt_all_cpus(void *kernel_image)
pfault_fini();
#endif
- if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid))
+ if (atomic_cmpxchg(&cpuid, -1, smp_processor_id()) != -1)
signal_processor(smp_processor_id(), sigp_stop);
/* Wait for all other cpus to enter stopped state */
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(&current->thread.fp_regs);
memcpy(fpregs, &current->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/arch/s390/kernel/reipl_diag.c
+++ b/arch/s390/kernel/reipl_diag.c
@@ -26,7 +26,7 @@ void reipl_diag(void)
" st %%r4,%0\n"
" st %%r5,%1\n"
".section __ex_table,\"a\"\n"
-#ifdef __s390x__
+#ifdef CONFIG_64BIT
" .align 8\n"
" .quad 0b, 0b\n"
#else
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 31e7b19348b..b03847d100d 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -427,7 +427,7 @@ setup_lowcore(void)
__alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0) + PAGE_SIZE;
lc->current_task = (unsigned long) init_thread_union.thread_info.task;
lc->thread_info = (unsigned long) &init_thread_union;
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
if (MACHINE_HAS_IEEE) {
lc->extended_save_area_addr = (__u32)
__alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0);
@@ -562,21 +562,21 @@ setup_arch(char **cmdline_p)
/*
* print what head.S has found out about the machine
*/
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
printk((MACHINE_IS_VM) ?
"We are running under VM (31 bit mode)\n" :
"We are running native (31 bit mode)\n");
printk((MACHINE_HAS_IEEE) ?
"This machine has an IEEE fpu\n" :
"This machine has no IEEE fpu\n");
-#else /* CONFIG_ARCH_S390X */
+#else /* CONFIG_64BIT */
printk((MACHINE_IS_VM) ?
"We are running under VM (64 bit mode)\n" :
"We are running native (64 bit mode)\n");
-#endif /* CONFIG_ARCH_S390X */
+#endif /* CONFIG_64BIT */
ROOT_DEV = Root_RAM0;
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
memory_end = memory_size & ~0x400000UL; /* align memory end to 4MB */
/*
* We need some free virtual space to be able to do vmalloc.
@@ -585,9 +585,9 @@ setup_arch(char **cmdline_p)
*/
if (memory_end > 1920*1024*1024)
memory_end = 1920*1024*1024;
-#else /* CONFIG_ARCH_S390X */
+#else /* CONFIG_64BIT */
memory_end = memory_size & ~0x200000UL; /* detected in head.s */
-#endif /* CONFIG_ARCH_S390X */
+#endif /* CONFIG_64BIT */
init_mm.start_code = PAGE_OFFSET;
init_mm.end_code = (unsigned long) &_etext;
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 6e0110d7119..6ae4a77270b 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -254,9 +254,9 @@ asmlinkage long sys_rt_sigreturn(struct pt_regs *regs)
if (restore_sigregs(regs, &frame->uc.uc_mcontext))
goto badframe;
- /* It is more difficult to avoid calling this function than to
- call it and ignore errors. */
- do_sigaltstack(&frame->uc.uc_stack, NULL, regs->gprs[15]);
+ if (do_sigaltstack(&frame->uc.uc_stack, NULL,
+ regs->gprs[15]) == -EFAULT)
+ goto badframe;
return regs->gprs[2];
badframe:
@@ -501,7 +501,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
if (signr > 0) {
/* Whee! Actually deliver the signal. */
-#ifdef CONFIG_S390_SUPPORT
+#ifdef CONFIG_COMPAT
if (test_thread_flag(TIF_31BIT)) {
extern void handle_signal32(unsigned long sig,
struct k_sigaction *ka,
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 5856b3fda6b..e10f4ca0049 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -263,7 +263,7 @@ static void do_machine_restart(void * __unused)
int cpu;
static atomic_t cpuid = ATOMIC_INIT(-1);
- if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid))
+ if (atomic_cmpxchg(&cpuid, -1, smp_processor_id()) != -1)
signal_processor(smp_processor_id(), sigp_stop);
/* Wait for all other cpus to enter stopped state */
@@ -313,7 +313,7 @@ static void do_machine_halt(void * __unused)
{
static atomic_t cpuid = ATOMIC_INIT(-1);
- if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid) == 0) {
+ if (atomic_cmpxchg(&cpuid, -1, smp_processor_id()) == -1) {
smp_send_stop();
if (MACHINE_IS_VM && strlen(vmhalt_cmd) > 0)
cpcmd(vmhalt_cmd, NULL, 0, NULL);
@@ -332,7 +332,7 @@ static void do_machine_power_off(void * __unused)
{
static atomic_t cpuid = ATOMIC_INIT(-1);
- if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid) == 0) {
+ if (atomic_cmpxchg(&cpuid, -1, smp_processor_id()) == -1) {
smp_send_stop();
if (MACHINE_IS_VM && strlen(vmpoff_cmd) > 0)
cpcmd(vmpoff_cmd, NULL, 0, NULL);
@@ -402,7 +402,7 @@ static void smp_ext_bitcall_others(ec_bit_sig sig)
}
}
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
/*
* this function sends a 'purge tlb' signal to another CPU.
*/
@@ -416,7 +416,7 @@ void smp_ptlb_all(void)
on_each_cpu(smp_ptlb_callback, NULL, 0, 1);
}
EXPORT_SYMBOL(smp_ptlb_all);
-#endif /* ! CONFIG_ARCH_S390X */
+#endif /* ! CONFIG_64BIT */
/*
* this function sends a 'reschedule' IPI to another CPU.
@@ -783,7 +783,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
if (stack == 0ULL)
panic("smp_boot_cpus failed to allocate memory\n");
lowcore_ptr[i]->panic_stack = stack + (PAGE_SIZE);
-#ifndef __s390x__
+#ifndef CONFIG_64BIT
if (MACHINE_HAS_IEEE) {
lowcore_ptr[i]->extended_save_area_addr =
(__u32) __get_free_pages(GFP_KERNEL,0);
@@ -793,7 +793,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
}
#endif
}
-#ifndef __s390x__
+#ifndef CONFIG_64BIT
if (MACHINE_HAS_IEEE)
ctl_set_bit(14, 29); /* enable extended save area */
#endif
diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c
index efe6b83b53f..6a63553493c 100644
--- a/arch/s390/kernel/sys_s390.c
+++ b/arch/s390/kernel/sys_s390.c
@@ -26,9 +26,7 @@
#include <linux/mman.h>
#include <linux/file.h>
#include <linux/utsname.h>
-#ifdef CONFIG_ARCH_S390X
#include <linux/personality.h>
-#endif /* CONFIG_ARCH_S390X */
#include <asm/uaccess.h>
#include <asm/ipc.h>
@@ -121,7 +119,7 @@ out:
return error;
}
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
struct sel_arg_struct {
unsigned long n;
fd_set *inp, *outp, *exp;
@@ -138,7 +136,7 @@ asmlinkage long old_select(struct sel_arg_struct __user *arg)
return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
}
-#endif /* CONFIG_ARCH_S390X */
+#endif /* CONFIG_64BIT */
/*
* sys_ipc() is the de-multiplexer for the SysV IPC calls..
@@ -211,7 +209,7 @@ asmlinkage long sys_ipc(uint call, int first, unsigned long second,
return -EINVAL;
}
-#ifdef CONFIG_ARCH_S390X
+#ifdef CONFIG_64BIT
asmlinkage long s390x_newuname(struct new_utsname __user *name)
{
int ret = sys_newuname(name);
@@ -235,12 +233,12 @@ asmlinkage long s390x_personality(unsigned long personality)
return ret;
}
-#endif /* CONFIG_ARCH_S390X */
+#endif /* CONFIG_64BIT */
/*
* Wrapper function for sys_fadvise64/fadvise64_64
*/
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
asmlinkage long
s390_fadvise64(int fd, u32 offset_high, u32 offset_low, size_t len, int advice)
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index c5bd36fae56..95d10996861 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -67,13 +67,13 @@ extern pgm_check_handler_t do_monitor_call;
#define stack_pointer ({ void **sp; asm("la %0,0(15)" : "=&d" (sp)); sp; })
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
#define FOURLONG "%08lx %08lx %08lx %08lx\n"
static int kstack_depth_to_print = 12;
-#else /* CONFIG_ARCH_S390X */
+#else /* CONFIG_64BIT */
#define FOURLONG "%016lx %016lx %016lx %016lx\n"
static int kstack_depth_to_print = 20;
-#endif /* CONFIG_ARCH_S390X */
+#endif /* CONFIG_64BIT */
/*
* For show_trace we have tree different stack to consider:
@@ -702,12 +702,12 @@ void __init trap_init(void)
pgm_check_table[0x11] = &do_dat_exception;
pgm_check_table[0x12] = &translation_exception;
pgm_check_table[0x13] = &special_op_exception;
-#ifdef CONFIG_ARCH_S390X
+#ifdef CONFIG_64BIT
pgm_check_table[0x38] = &do_dat_exception;
pgm_check_table[0x39] = &do_dat_exception;
pgm_check_table[0x3A] = &do_dat_exception;
pgm_check_table[0x3B] = &do_dat_exception;
-#endif /* CONFIG_ARCH_S390X */
+#endif /* CONFIG_64BIT */
pgm_check_table[0x15] = &operand_exception;
pgm_check_table[0x1C] = &space_switch_exception;
pgm_check_table[0x1D] = &hfp_sqrt_exception;
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index 89fdb3808bc..9289face302 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -5,7 +5,7 @@
#include <asm-generic/vmlinux.lds.h>
#include <linux/config.h>
-#ifndef CONFIG_ARCH_S390X
+#ifndef CONFIG_64BIT
OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390")
OUTPUT_ARCH(s390)
ENTRY(_start)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 20:04:30 +0000