diff options
Diffstat (limited to 'arch/s390')
-rw-r--r-- | arch/s390/crypto/aes_s390.c | 2 | ||||
-rw-r--r-- | arch/s390/defconfig | 86 | ||||
-rw-r--r-- | arch/s390/hypfs/hypfs_diag.c | 4 | ||||
-rw-r--r-- | arch/s390/hypfs/hypfs_vm.c | 2 | ||||
-rw-r--r-- | arch/s390/include/asm/bug.h | 4 | ||||
-rw-r--r-- | arch/s390/include/asm/irqflags.h | 9 | ||||
-rw-r--r-- | arch/s390/include/asm/lowcore.h | 4 | ||||
-rw-r--r-- | arch/s390/include/asm/param.h | 28 | ||||
-rw-r--r-- | arch/s390/include/asm/sigp.h | 20 | ||||
-rw-r--r-- | arch/s390/include/asm/thread_info.h | 12 | ||||
-rw-r--r-- | arch/s390/include/asm/unistd.h | 3 | ||||
-rw-r--r-- | arch/s390/kernel/compat_linux.c | 41 | ||||
-rw-r--r-- | arch/s390/kernel/entry.S | 1 | ||||
-rw-r--r-- | arch/s390/kernel/entry64.S | 1 | ||||
-rw-r--r-- | arch/s390/kernel/ipl.c | 6 | ||||
-rw-r--r-- | arch/s390/kernel/process.c | 3 | ||||
-rw-r--r-- | arch/s390/kernel/ptrace.c | 10 | ||||
-rw-r--r-- | arch/s390/kernel/setup.c | 8 | ||||
-rw-r--r-- | arch/s390/kernel/signal.c | 12 | ||||
-rw-r--r-- | arch/s390/kernel/smp.c | 9 | ||||
-rw-r--r-- | arch/s390/kernel/topology.c | 2 | ||||
-rw-r--r-- | arch/s390/kernel/traps.c | 6 | ||||
-rw-r--r-- | arch/s390/kvm/intercept.c | 4 | ||||
-rw-r--r-- | arch/s390/lib/spinlock.c | 2 | ||||
-rw-r--r-- | arch/s390/mm/mmap.c | 4 |
25 files changed, 163 insertions, 120 deletions
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index 9ed05bcd19b0..58f46734465f 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -174,7 +174,7 @@ static int fallback_init_cip(struct crypto_tfm *tfm) if (IS_ERR(sctx->fallback.cip)) { pr_err("Allocating AES fallback algorithm %s failed\n", name); - return PTR_ERR(sctx->fallback.blk); + return PTR_ERR(sctx->fallback.cip); } return 0; diff --git a/arch/s390/defconfig b/arch/s390/defconfig index f4e53c6708dc..b416aa11b91e 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.31 -# Tue Sep 22 17:43:13 2009 +# Linux kernel version: 2.6.33-rc2 +# Mon Jan 4 09:03:07 2010 # CONFIG_SCHED_MC=y CONFIG_MMU=y @@ -51,6 +51,7 @@ CONFIG_AUDIT=y # CONFIG_TREE_RCU=y # CONFIG_TREE_PREEMPT_RCU is not set +# CONFIG_TINY_RCU is not set # CONFIG_RCU_TRACE is not set CONFIG_RCU_FANOUT=64 # CONFIG_RCU_FANOUT_EXACT is not set @@ -113,7 +114,6 @@ CONFIG_HAVE_PERF_EVENTS=y # CONFIG_PERF_EVENTS is not set # CONFIG_PERF_COUNTERS is not set CONFIG_VM_EVENT_COUNTERS=y -# CONFIG_STRIP_ASM_SYMS is not set # CONFIG_COMPAT_BRK is not set CONFIG_SLAB=y # CONFIG_SLUB is not set @@ -149,21 +149,78 @@ CONFIG_STOP_MACHINE=y CONFIG_BLOCK=y CONFIG_BLK_DEV_BSG=y # CONFIG_BLK_DEV_INTEGRITY is not set +# CONFIG_BLK_CGROUP is not set CONFIG_BLOCK_COMPAT=y # # IO Schedulers # CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y CONFIG_IOSCHED_DEADLINE=y CONFIG_IOSCHED_CFQ=y -# CONFIG_DEFAULT_AS is not set +# CONFIG_CFQ_GROUP_IOSCHED is not set CONFIG_DEFAULT_DEADLINE=y # CONFIG_DEFAULT_CFQ is not set # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="deadline" CONFIG_PREEMPT_NOTIFIERS=y +CONFIG_ARCH_INLINE_SPIN_TRYLOCK=y +CONFIG_ARCH_INLINE_SPIN_TRYLOCK_BH=y +CONFIG_ARCH_INLINE_SPIN_LOCK=y +CONFIG_ARCH_INLINE_SPIN_LOCK_BH=y +CONFIG_ARCH_INLINE_SPIN_LOCK_IRQ=y +CONFIG_ARCH_INLINE_SPIN_LOCK_IRQSAVE=y +CONFIG_ARCH_INLINE_SPIN_UNLOCK=y +CONFIG_ARCH_INLINE_SPIN_UNLOCK_BH=y +CONFIG_ARCH_INLINE_SPIN_UNLOCK_IRQ=y +CONFIG_ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE=y +CONFIG_ARCH_INLINE_READ_TRYLOCK=y +CONFIG_ARCH_INLINE_READ_LOCK=y +CONFIG_ARCH_INLINE_READ_LOCK_BH=y +CONFIG_ARCH_INLINE_READ_LOCK_IRQ=y +CONFIG_ARCH_INLINE_READ_LOCK_IRQSAVE=y +CONFIG_ARCH_INLINE_READ_UNLOCK=y +CONFIG_ARCH_INLINE_READ_UNLOCK_BH=y +CONFIG_ARCH_INLINE_READ_UNLOCK_IRQ=y +CONFIG_ARCH_INLINE_READ_UNLOCK_IRQRESTORE=y +CONFIG_ARCH_INLINE_WRITE_TRYLOCK=y +CONFIG_ARCH_INLINE_WRITE_LOCK=y +CONFIG_ARCH_INLINE_WRITE_LOCK_BH=y +CONFIG_ARCH_INLINE_WRITE_LOCK_IRQ=y +CONFIG_ARCH_INLINE_WRITE_LOCK_IRQSAVE=y +CONFIG_ARCH_INLINE_WRITE_UNLOCK=y +CONFIG_ARCH_INLINE_WRITE_UNLOCK_BH=y +CONFIG_ARCH_INLINE_WRITE_UNLOCK_IRQ=y +CONFIG_ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE=y +# CONFIG_INLINE_SPIN_TRYLOCK is not set +# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set +# CONFIG_INLINE_SPIN_LOCK is not set +# CONFIG_INLINE_SPIN_LOCK_BH is not set +# CONFIG_INLINE_SPIN_LOCK_IRQ is not set +# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set +# CONFIG_INLINE_SPIN_UNLOCK is not set +# CONFIG_INLINE_SPIN_UNLOCK_BH is not set +# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set +# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set +# CONFIG_INLINE_READ_TRYLOCK is not set +# CONFIG_INLINE_READ_LOCK is not set +# CONFIG_INLINE_READ_LOCK_BH is not set +# CONFIG_INLINE_READ_LOCK_IRQ is not set +# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set +# CONFIG_INLINE_READ_UNLOCK is not set +# CONFIG_INLINE_READ_UNLOCK_BH is not set +# CONFIG_INLINE_READ_UNLOCK_IRQ is not set +# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set +# CONFIG_INLINE_WRITE_TRYLOCK is not set +# CONFIG_INLINE_WRITE_LOCK is not set +# CONFIG_INLINE_WRITE_LOCK_BH is not set +# CONFIG_INLINE_WRITE_LOCK_IRQ is not set +# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set +# CONFIG_INLINE_WRITE_UNLOCK is not set +# CONFIG_INLINE_WRITE_UNLOCK_BH is not set +# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set +# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set +# CONFIG_MUTEX_SPIN_ON_OWNER is not set CONFIG_FREEZER=y # @@ -227,14 +284,13 @@ CONFIG_MEMORY_HOTPLUG=y CONFIG_MEMORY_HOTPLUG_SPARSE=y CONFIG_MEMORY_HOTREMOVE=y CONFIG_PAGEFLAGS_EXTENDED=y -CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_SPLIT_PTLOCK_CPUS=999999 CONFIG_MIGRATION=y CONFIG_PHYS_ADDR_T_64BIT=y CONFIG_ZONE_DMA_FLAG=1 CONFIG_BOUNCE=y CONFIG_VIRT_TO_BUS=y -CONFIG_HAVE_MLOCK=y -CONFIG_HAVE_MLOCKED_PAGE_BIT=y +# CONFIG_KSM is not set CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 # @@ -339,6 +395,7 @@ CONFIG_INET6_XFRM_MODE_TUNNEL=y CONFIG_INET6_XFRM_MODE_BEET=y # CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set CONFIG_IPV6_SIT=y +# CONFIG_IPV6_SIT_6RD is not set CONFIG_IPV6_NDISC_NODETYPE=y # CONFIG_IPV6_TUNNEL is not set # CONFIG_IPV6_MULTIPLE_TABLES is not set @@ -504,6 +561,10 @@ CONFIG_BLK_DEV=y # CONFIG_BLK_DEV_COW_COMMON is not set CONFIG_BLK_DEV_LOOP=m # CONFIG_BLK_DEV_CRYPTOLOOP is not set + +# +# DRBD disabled because PROC_FS, INET or CONNECTOR not selected +# CONFIG_BLK_DEV_NBD=m # CONFIG_BLK_DEV_OSD is not set CONFIG_BLK_DEV_RAM=y @@ -710,7 +771,6 @@ CONFIG_S390_VMUR=m # CONFIG_PPS is not set # CONFIG_POWER_SUPPLY is not set # CONFIG_THERMAL is not set -# CONFIG_THERMAL_HWMON is not set # CONFIG_WATCHDOG is not set # CONFIG_REGULATOR is not set # CONFIG_MEMSTICK is not set @@ -864,6 +924,7 @@ CONFIG_ENABLE_WARN_DEPRECATED=y CONFIG_ENABLE_MUST_CHECK=y CONFIG_FRAME_WARN=2048 CONFIG_MAGIC_SYSRQ=y +# CONFIG_STRIP_ASM_SYMS is not set # CONFIG_UNUSED_SYMBOLS is not set CONFIG_DEBUG_FS=y # CONFIG_HEADERS_CHECK is not set @@ -931,7 +992,6 @@ CONFIG_BRANCH_PROFILE_NONE=y CONFIG_SAMPLES=y # CONFIG_SAMPLE_KOBJECT is not set # CONFIG_SAMPLE_KPROBES is not set -# CONFIG_KMEMCHECK is not set # # Security options @@ -939,7 +999,11 @@ CONFIG_SAMPLES=y # CONFIG_KEYS is not set # CONFIG_SECURITY is not set # CONFIG_SECURITYFS is not set -# CONFIG_SECURITY_FILE_CAPABILITIES is not set +# CONFIG_DEFAULT_SECURITY_SELINUX is not set +# CONFIG_DEFAULT_SECURITY_SMACK is not set +# CONFIG_DEFAULT_SECURITY_TOMOYO is not set +CONFIG_DEFAULT_SECURITY_DAC=y +CONFIG_DEFAULT_SECURITY="" CONFIG_CRYPTO=y # diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c index 77df726180ba..2b92d501425f 100644 --- a/arch/s390/hypfs/hypfs_diag.c +++ b/arch/s390/hypfs/hypfs_diag.c @@ -164,7 +164,7 @@ static inline void part_hdr__part_name(enum diag204_format type, void *hdr, LPAR_NAME_LEN); EBCASC(name, LPAR_NAME_LEN); name[LPAR_NAME_LEN] = 0; - strstrip(name); + strim(name); } struct cpu_info { @@ -523,7 +523,7 @@ static int diag224_idx2name(int index, char *name) memcpy(name, diag224_cpu_names + ((index + 1) * CPU_NAME_LEN), CPU_NAME_LEN); name[CPU_NAME_LEN] = 0; - strstrip(name); + strim(name); return 0; } diff --git a/arch/s390/hypfs/hypfs_vm.c b/arch/s390/hypfs/hypfs_vm.c index d01fc8f799f0..f0b0d31f0b48 100644 --- a/arch/s390/hypfs/hypfs_vm.c +++ b/arch/s390/hypfs/hypfs_vm.c @@ -124,7 +124,7 @@ static int hpyfs_vm_create_guest(struct super_block *sb, /* guest dir */ memcpy(guest_name, data->guest_name, NAME_LEN); EBCASC(guest_name, NAME_LEN); - strstrip(guest_name); + strim(guest_name); guest_dir = hypfs_mkdir(sb, systems_dir, guest_name); if (IS_ERR(guest_dir)) return PTR_ERR(guest_dir); diff --git a/arch/s390/include/asm/bug.h b/arch/s390/include/asm/bug.h index efb74fd5156e..b1066b9fb5f8 100644 --- a/arch/s390/include/asm/bug.h +++ b/arch/s390/include/asm/bug.h @@ -52,6 +52,10 @@ unreachable(); \ } while (0) +#define __WARN() do { \ + __EMIT_BUG(BUGFLAG_WARNING); \ +} while (0) + #define WARN_ON(x) ({ \ int __ret_warn_on = !!(x); \ if (__builtin_constant_p(__ret_warn_on)) { \ diff --git a/arch/s390/include/asm/irqflags.h b/arch/s390/include/asm/irqflags.h index 3f26131120b7..c2fb432f576a 100644 --- a/arch/s390/include/asm/irqflags.h +++ b/arch/s390/include/asm/irqflags.h @@ -1,14 +1,12 @@ /* - * include/asm-s390/irqflags.h - * - * Copyright (C) IBM Corp. 2006 - * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> + * Copyright IBM Corp. 2006,2010 + * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> */ #ifndef __ASM_IRQFLAGS_H #define __ASM_IRQFLAGS_H -#ifdef __KERNEL__ +#include <linux/types.h> #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2) @@ -102,5 +100,4 @@ static inline int raw_irqs_disabled_flags(unsigned long flags) /* For spinlocks etc */ #define raw_local_irq_save(x) ((x) = raw_local_irq_disable()) -#endif /* __KERNEL__ */ #endif /* __ASM_IRQFLAGS_H */ diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index f2ef4b619ce1..c25dfac7dd76 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -293,12 +293,12 @@ struct _lowcore __u64 clock_comparator; /* 0x02d0 */ __u32 machine_flags; /* 0x02d8 */ __u32 ftrace_func; /* 0x02dc */ - __u8 pad_0x02f0[0x0300-0x02f0]; /* 0x02f0 */ + __u8 pad_0x02e0[0x0300-0x02e0]; /* 0x02e0 */ /* Interrupt response block */ __u8 irb[64]; /* 0x0300 */ - __u8 pad_0x0400[0x0e00-0x0400]; /* 0x0400 */ + __u8 pad_0x0340[0x0e00-0x0340]; /* 0x0340 */ /* * 0xe00 contains the address of the IPL Parameter Information diff --git a/arch/s390/include/asm/param.h b/arch/s390/include/asm/param.h index 34aaa4603347..c616821bf2ac 100644 --- a/arch/s390/include/asm/param.h +++ b/arch/s390/include/asm/param.h @@ -1,30 +1,6 @@ -/* - * include/asm-s390/param.h - * - * S390 version - * - * Derived from "include/asm-i386/param.h" - */ - #ifndef _ASMS390_PARAM_H #define _ASMS390_PARAM_H -#ifdef __KERNEL__ -# define HZ CONFIG_HZ /* Internal kernel timer frequency */ -# define USER_HZ 100 /* .. some user interfaces are in "ticks" */ -# define CLOCKS_PER_SEC (USER_HZ) /* like times() */ -#endif - -#ifndef HZ -#define HZ 100 -#endif - -#define EXEC_PAGESIZE 4096 - -#ifndef NOGROUP -#define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 /* max length of hostname */ +#include <asm-generic/param.h> -#endif +#endif /* _ASMS390_PARAM_H */ diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h index ec403d4304f8..f72d611f7e13 100644 --- a/arch/s390/include/asm/sigp.h +++ b/arch/s390/include/asm/sigp.h @@ -15,11 +15,19 @@ #ifndef __SIGP__ #define __SIGP__ -#include <asm/ptrace.h> -#include <asm/atomic.h> +#include <asm/system.h> /* get real cpu address from logical cpu number */ -extern volatile int __cpu_logical_map[]; +extern int __cpu_logical_map[]; + +static inline int cpu_logical_map(int cpu) +{ +#ifdef CONFIG_SMP + return __cpu_logical_map[cpu]; +#else + return stap(); +#endif +} typedef enum { @@ -79,7 +87,7 @@ signal_processor(__u16 cpu_addr, sigp_order_code order_code) " ipm %0\n" " srl %0,28\n" : "=d" (ccode) - : "d" (reg1), "d" (__cpu_logical_map[cpu_addr]), + : "d" (reg1), "d" (cpu_logical_map(cpu_addr)), "a" (order_code) : "cc" , "memory"); return ccode; } @@ -98,7 +106,7 @@ signal_processor_p(__u32 parameter, __u16 cpu_addr, sigp_order_code order_code) " ipm %0\n" " srl %0,28\n" : "=d" (ccode) - : "d" (reg1), "d" (__cpu_logical_map[cpu_addr]), + : "d" (reg1), "d" (cpu_logical_map(cpu_addr)), "a" (order_code) : "cc" , "memory"); return ccode; } @@ -118,7 +126,7 @@ signal_processor_ps(__u32 *statusptr, __u32 parameter, __u16 cpu_addr, " ipm %0\n" " srl %0,28\n" : "=d" (ccode), "+d" (reg1) - : "d" (__cpu_logical_map[cpu_addr]), "a" (order_code) + : "d" (cpu_logical_map(cpu_addr)), "a" (order_code) : "cc" , "memory"); *statusptr = reg1; return ccode; diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h index 07eb61b2fb3a..66069e736842 100644 --- a/arch/s390/include/asm/thread_info.h +++ b/arch/s390/include/asm/thread_info.h @@ -93,13 +93,12 @@ static inline struct thread_info *current_thread_info(void) #define TIF_SYSCALL_AUDIT 9 /* syscall auditing active */ #define TIF_SECCOMP 10 /* secure computing */ #define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */ -#define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ -#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling +#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ -#define TIF_31BIT 18 /* 32bit process */ -#define TIF_MEMDIE 19 -#define TIF_RESTORE_SIGMASK 20 /* restore signal mask in do_signal() */ -#define TIF_FREEZE 21 /* thread is freezing for suspend */ +#define TIF_31BIT 17 /* 32bit process */ +#define TIF_MEMDIE 18 +#define TIF_RESTORE_SIGMASK 19 /* restore signal mask in do_signal() */ +#define TIF_FREEZE 20 /* thread is freezing for suspend */ #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) @@ -112,7 +111,6 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1<<TIF_SECCOMP) #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) -#define _TIF_USEDFPU (1<<TIF_USEDFPU) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_31BIT (1<<TIF_31BIT) #define _TIF_FREEZE (1<<TIF_FREEZE) diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h index cb5232df151e..6e9f049fa823 100644 --- a/arch/s390/include/asm/unistd.h +++ b/arch/s390/include/asm/unistd.h @@ -376,6 +376,9 @@ #define __IGNORE_migrate_pages #define __IGNORE_move_pages +/* Ignore system calls that are also reachable via sys_socket */ +#define __IGNORE_recvmmsg + #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_SYS_ALARM diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index 22c9e557bb22..11c3aba664ea 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -616,44 +616,35 @@ asmlinkage long sys32_fstatat64(unsigned int dfd, char __user *filename, */ struct mmap_arg_struct_emu31 { - u32 addr; - u32 len; - u32 prot; - u32 flags; - u32 fd; - u32 offset; + compat_ulong_t addr; + compat_ulong_t len; + compat_ulong_t prot; + compat_ulong_t flags; + compat_ulong_t fd; + compat_ulong_t offset; }; -asmlinkage unsigned long -old32_mmap(struct mmap_arg_struct_emu31 __user *arg) +asmlinkage unsigned long old32_mmap(struct mmap_arg_struct_emu31 __user *arg) { struct mmap_arg_struct_emu31 a; - int error = -EFAULT; if (copy_from_user(&a, arg, sizeof(a))) - goto out; - - error = -EINVAL; + return -EFAULT; if (a.offset & ~PAGE_MASK) - goto out; - - error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, - a.offset >> PAGE_SHIFT); -out: - return error; + return -EINVAL; + a.addr = (unsigned long) compat_ptr(a.addr); + return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, + a.offset >> PAGE_SHIFT); } -asmlinkage long -sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg) +asmlinkage long sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg) { struct mmap_arg_struct_emu31 a; - int error = -EFAULT; if (copy_from_user(&a, arg, sizeof(a))) - goto out; - error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset); -out: - return error; + return -EFAULT; + a.addr = (unsigned long) compat_ptr(a.addr); + return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset); } asmlinkage long sys32_read(unsigned int fd, char __user * buf, size_t count) diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 48215d15762b..e8ef21c51bbe 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -571,6 +571,7 @@ pgm_svcper: mvc __THREAD_per+__PER_access_id(1,%r8),__LC_PER_ACCESS_ID oi __TI_flags+3(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP TRACE_IRQS_ON + lm %r2,%r6,SP_R2(%r15) # load svc arguments stosm __SF_EMPTY(%r15),0x03 # reenable interrupts b BASED(sysc_do_svc) diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 9aff1d449b6e..f33658f09dd7 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -549,6 +549,7 @@ pgm_svcper: mvc __THREAD_per+__PER_access_id(1,%r8),__LC_PER_ACCESS_ID oi __TI_flags+7(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP TRACE_IRQS_ON + lmg %r2,%r6,SP_R2(%r15) # load svc arguments stosm __SF_EMPTY(%r15),0x03 # reenable interrupts j sysc_do_svc diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 4890ac6d7faa..4d73296fed74 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -221,7 +221,7 @@ static ssize_t sys_##_prefix##_##_name##_store(struct kobject *kobj, \ const char *buf, size_t len) \ { \ strncpy(_value, buf, sizeof(_value) - 1); \ - strstrip(_value); \ + strim(_value); \ return len; \ } \ static struct kobj_attribute sys_##_prefix##_##_name##_attr = \ @@ -472,7 +472,7 @@ static ssize_t ipl_ccw_loadparm_show(struct kobject *kobj, return sprintf(page, "#unknown#\n"); memcpy(loadparm, &sclp_ipl_info.loadparm, LOADPARM_LEN); EBCASC(loadparm, LOADPARM_LEN); - strstrip(loadparm); + strim(loadparm); return sprintf(page, "%s\n", loadparm); } @@ -776,7 +776,7 @@ static void reipl_get_ascii_loadparm(char *loadparm, memcpy(loadparm, ibp->ipl_info.ccw.load_parm, LOADPARM_LEN); EBCASC(loadparm, LOADPARM_LEN); loadparm[LOADPARM_LEN] = 0; - strstrip(loadparm); + strim(loadparm); } static ssize_t reipl_generic_loadparm_show(struct ipl_parameter_block *ipb, diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 5417eb57271a..00b6d1d292f2 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -153,8 +153,6 @@ void exit_thread(void) void flush_thread(void) { - clear_used_math(); - clear_tsk_thread_flag(current, TIF_USEDFPU); } void release_thread(struct task_struct *dead_task) @@ -217,6 +215,7 @@ int copy_thread(unsigned long clone_flags, unsigned long new_stackp, p->thread.mm_segment = get_fs(); /* Don't copy debug registers */ memset(&p->thread.per_info, 0, sizeof(p->thread.per_info)); + clear_tsk_thread_flag(p, TIF_SINGLE_STEP); /* Initialize per thread user and system timer values */ ti = task_thread_info(p); ti->user_timer = 0; diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 653c6a178740..7cf464234419 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -65,6 +65,7 @@ FixPerRegisters(struct task_struct *task) { struct pt_regs *regs; per_struct *per_info; + per_cr_words cr_words; regs = task_pt_regs(task); per_info = (per_struct *) &task->thread.per_info; @@ -98,6 +99,13 @@ FixPerRegisters(struct task_struct *task) per_info->control_regs.bits.storage_alt_space_ctl = 1; else per_info->control_regs.bits.storage_alt_space_ctl = 0; + + if (task == current) { + __ctl_store(cr_words, 9, 11); + if (memcmp(&cr_words, &per_info->control_regs.words, + sizeof(cr_words)) != 0) + __ctl_load(per_info->control_regs.words, 9, 11); + } } void user_enable_single_step(struct task_struct *task) @@ -959,7 +967,7 @@ static const struct user_regset s390_compat_regsets[] = { .set = s390_fpregs_set, }, [REGSET_GENERAL_EXTENDED] = { - .core_note_type = NT_PRXSTATUS, + .core_note_type = NT_S390_HIGH_GPRS, .n = sizeof(s390_compat_regs_high) / sizeof(compat_long_t), .size = sizeof(compat_long_t), .align = sizeof(compat_long_t), diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 0663287fa1b3..8d8957b38ab3 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -87,7 +87,6 @@ unsigned long elf_hwcap = 0; char elf_platform[ELF_PLATFORM_SIZE]; struct mem_chunk __initdata memory_chunk[MEMORY_CHUNKS]; -volatile int __cpu_logical_map[NR_CPUS]; /* logical cpu to cpu address */ int __initdata memory_end_set; unsigned long __initdata memory_end; @@ -124,12 +123,6 @@ void __cpuinit cpu_init(void) */ get_cpu_id(&S390_lowcore.cpu_id); - /* - * Force FPU initialization: - */ - clear_thread_flag(TIF_USEDFPU); - clear_used_math(); - atomic_inc(&init_mm.mm_count); current->active_mm = &init_mm; BUG_ON(current->mm); @@ -855,7 +848,6 @@ setup_arch(char **cmdline_p) setup_lowcore(); cpu_init(); - __cpu_logical_map[0] = stap(); s390_init_cpu_topology(); /* diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index 6b4fef877f9d..6289945562b0 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -64,7 +64,7 @@ SYSCALL_DEFINE3(sigsuspend, int, history0, int, history1, old_sigset_t, mask) recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - current->state = TASK_INTERRUPTIBLE; + set_current_state(TASK_INTERRUPTIBLE); schedule(); set_thread_flag(TIF_RESTORE_SIGMASK); @@ -500,18 +500,10 @@ void do_signal(struct pt_regs *regs) clear_thread_flag(TIF_RESTORE_SIGMASK); /* - * If we would have taken a single-step trap - * for a normal instruction, act like we took - * one for the handler setup. - */ - if (current->thread.per_info.single_step) - set_thread_flag(TIF_SINGLE_STEP); - - /* * Let tracing know that we've done the handler setup. */ tracehook_signal_handler(signr, &info, &ka, regs, - test_thread_flag(TIF_SINGLE_STEP)); + current->thread.per_info.single_step); } return; } diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 93e52039321b..76a6fdd46c45 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -52,6 +52,9 @@ #include <asm/cpu.h> #include "entry.h" +/* logical cpu to cpu address */ +int __cpu_logical_map[NR_CPUS]; + static struct task_struct *current_set[NR_CPUS]; static u8 smp_cpu_type; @@ -717,6 +720,12 @@ void __init smp_cpus_done(unsigned int max_cpus) { } +void __init smp_setup_processor_id(void) +{ + S390_lowcore.cpu_nr = 0; + __cpu_logical_map[0] = stap(); +} + /* * the frequency of the profiling timer can be changed * by writing a multiplier value into /proc/profile. diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 3c72c9cf22b6..14ef6f05e432 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -114,7 +114,7 @@ static void add_cpus_to_core(struct tl_cpu *tl_cpu, struct core_info *core) rcpu = CPU_BITS - 1 - cpu + tl_cpu->origin; for_each_present_cpu(lcpu) { - if (__cpu_logical_map[lcpu] == rcpu) { + if (cpu_logical_map(lcpu) == rcpu) { cpu_set(lcpu, core->mask); smp_cpu_polarization[lcpu] = tl_cpu->pp; } diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index c2e42cc65ce7..6e7ad63854c0 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -18,7 +18,7 @@ #include <linux/kernel.h> #include <linux/string.h> #include <linux/errno.h> -#include <linux/ptrace.h> +#include <linux/tracehook.h> #include <linux/timer.h> #include <linux/mm.h> #include <linux/smp.h> @@ -382,7 +382,7 @@ void __kprobes do_single_step(struct pt_regs *regs) SIGTRAP) == NOTIFY_STOP){ return; } - if ((current->ptrace & PT_PTRACED) != 0) + if (tracehook_consider_fatal_signal(current, SIGTRAP)) force_sig(SIGTRAP, current); } @@ -483,7 +483,7 @@ static void illegal_op(struct pt_regs * regs, long interruption_code) if (get_user(*((__u16 *) opcode), (__u16 __user *) location)) return; if (*((__u16 *) opcode) == S390_BREAKPOINT_U16) { - if (current->ptrace & PT_PTRACED) + if (tracehook_consider_fatal_signal(current, SIGTRAP)) force_sig(SIGTRAP, current); else signal = SIGILL; diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c index ba9d8a7bc1ac..b40096494e46 100644 --- a/arch/s390/kvm/intercept.c +++ b/arch/s390/kvm/intercept.c @@ -213,7 +213,7 @@ static int handle_instruction_and_prog(struct kvm_vcpu *vcpu) return rc2; } -static const intercept_handler_t intercept_funcs[0x48 >> 2] = { +static const intercept_handler_t intercept_funcs[] = { [0x00 >> 2] = handle_noop, [0x04 >> 2] = handle_instruction, [0x08 >> 2] = handle_prog, @@ -230,7 +230,7 @@ int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu) intercept_handler_t func; u8 code = vcpu->arch.sie_block->icptcode; - if (code & 3 || code > 0x48) + if (code & 3 || (code >> 2) >= ARRAY_SIZE(intercept_funcs)) return -ENOTSUPP; func = intercept_funcs[code >> 2]; if (func) diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c index 10754a375668..cff327f109a8 100644 --- a/arch/s390/lib/spinlock.c +++ b/arch/s390/lib/spinlock.c @@ -34,7 +34,7 @@ static inline void _raw_yield_cpu(int cpu) { if (MACHINE_HAS_DIAG9C) asm volatile("diag %0,0,0x9c" - : : "d" (__cpu_logical_map[cpu])); + : : "d" (cpu_logical_map(cpu))); else _raw_yield(); } diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index f4558ccf02b9..869efbaed3ea 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -40,7 +40,7 @@ static inline unsigned long mmap_base(void) { - unsigned long gap = current->signal->rlim[RLIMIT_STACK].rlim_cur; + unsigned long gap = rlimit(RLIMIT_STACK); if (gap < MIN_GAP) gap = MIN_GAP; @@ -61,7 +61,7 @@ static inline int mmap_is_legacy(void) #endif return sysctl_legacy_va_layout || (current->personality & ADDR_COMPAT_LAYOUT) || - current->signal->rlim[RLIMIT_STACK].rlim_cur == RLIM_INFINITY; + rlimit(RLIMIT_STACK) == RLIM_INFINITY; } #ifndef CONFIG_64BIT |