diff options
author | David Woodhouse <dwmw2@infradead.org> | 2006-10-21 16:46:04 +0100 |
---|---|---|
committer | David Woodhouse <dwmw2@infradead.org> | 2006-10-21 16:46:04 +0100 |
commit | 513b046c96cc2fbce730a3474f6f7ff0c4fdd05c (patch) | |
tree | e8006368b6f643067486f92405a404757807d6da /arch/s390 | |
parent | 82810b7b6cc7a74c68881a13b0eb66c7a6370fcc (diff) | |
parent | c7a3bd177f248d01ee18a01d22048c80e071c331 (diff) | |
download | op-kernel-dev-513b046c96cc2fbce730a3474f6f7ff0c4fdd05c.zip op-kernel-dev-513b046c96cc2fbce730a3474f6f7ff0c4fdd05c.tar.gz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/s390')
-rw-r--r-- | arch/s390/Kconfig | 6 | ||||
-rw-r--r-- | arch/s390/appldata/appldata_base.c | 2 | ||||
-rw-r--r-- | arch/s390/defconfig | 58 | ||||
-rw-r--r-- | arch/s390/kernel/compat_linux.c | 2 | ||||
-rw-r--r-- | arch/s390/kernel/compat_wrapper.S | 7 | ||||
-rw-r--r-- | arch/s390/kernel/head31.S | 8 | ||||
-rw-r--r-- | arch/s390/kernel/head64.S | 12 | ||||
-rw-r--r-- | arch/s390/kernel/kprobes.c | 1 | ||||
-rw-r--r-- | arch/s390/kernel/s390_ext.c | 9 | ||||
-rw-r--r-- | arch/s390/kernel/s390_ksyms.c | 1 | ||||
-rw-r--r-- | arch/s390/kernel/setup.c | 55 | ||||
-rw-r--r-- | arch/s390/kernel/signal.c | 17 | ||||
-rw-r--r-- | arch/s390/kernel/smp.c | 2 | ||||
-rw-r--r-- | arch/s390/kernel/stacktrace.c | 17 | ||||
-rw-r--r-- | arch/s390/kernel/syscalls.S | 3 | ||||
-rw-r--r-- | arch/s390/kernel/time.c | 103 | ||||
-rw-r--r-- | arch/s390/kernel/traps.c | 12 | ||||
-rw-r--r-- | arch/s390/kernel/vtime.c | 11 | ||||
-rw-r--r-- | arch/s390/mm/fault.c | 2 | ||||
-rw-r--r-- | arch/s390/mm/init.c | 45 |
20 files changed, 167 insertions, 206 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index f900a51..608193c 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -30,6 +30,9 @@ config GENERIC_CALIBRATE_DELAY bool default y +config GENERIC_TIME + def_bool y + config GENERIC_BUST_SPINLOCK bool @@ -233,6 +236,9 @@ config WARN_STACK_SIZE This allows you to specify the maximum frame size a function may have without the compiler complaining about it. +config ARCH_POPULATES_NODE_MAP + def_bool y + source "mm/Kconfig" comment "I/O subsystem configuration" diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index 2b1e6c9..45c9fa7 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -109,7 +109,7 @@ static LIST_HEAD(appldata_ops_list); * * schedule work and reschedule timer */ -static void appldata_timer_function(unsigned long data, struct pt_regs *regs) +static void appldata_timer_function(unsigned long data) { P_DEBUG(" -= Timer =-\n"); P_DEBUG("CPU: %i, expire_count: %i\n", smp_processor_id(), diff --git a/arch/s390/defconfig b/arch/s390/defconfig index 35da539..c313e9a 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.18-rc2 -# Thu Jul 27 13:51:07 2006 +# Linux kernel version: 2.6.19-rc2 +# Wed Oct 18 17:11:10 2006 # CONFIG_MMU=y CONFIG_LOCKDEP_SUPPORT=y @@ -9,6 +9,7 @@ CONFIG_STACKTRACE_SUPPORT=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_CALIBRATE_DELAY=y +CONFIG_GENERIC_TIME=y CONFIG_S390=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" @@ -26,10 +27,11 @@ CONFIG_LOCALVERSION="" CONFIG_LOCALVERSION_AUTO=y CONFIG_SWAP=y CONFIG_SYSVIPC=y +# CONFIG_IPC_NS is not set CONFIG_POSIX_MQUEUE=y # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set -CONFIG_SYSCTL=y +# CONFIG_UTS_NS is not set CONFIG_AUDIT=y # CONFIG_AUDITSYSCALL is not set CONFIG_IKCONFIG=y @@ -38,7 +40,9 @@ CONFIG_IKCONFIG_PROC=y # CONFIG_RELAY is not set CONFIG_INITRAMFS_SOURCE="" # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_SYSCTL=y # CONFIG_EMBEDDED is not set +# CONFIG_SYSCTL_SYSCALL is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set @@ -47,12 +51,12 @@ CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y -CONFIG_RT_MUTEXES=y CONFIG_FUTEX=y CONFIG_EPOLL=y CONFIG_SHMEM=y CONFIG_SLAB=y CONFIG_VM_EVENT_COUNTERS=y +CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 # CONFIG_SLOB is not set @@ -71,6 +75,7 @@ CONFIG_STOP_MACHINE=y # # Block layer # +CONFIG_BLOCK=y # CONFIG_BLK_DEV_IO_TRACE is not set # @@ -100,6 +105,7 @@ CONFIG_HOTPLUG_CPU=y CONFIG_DEFAULT_MIGRATION_COST=1000000 CONFIG_COMPAT=y CONFIG_SYSVIPC_COMPAT=y +CONFIG_AUDIT_ARCH=y # # Code generation options @@ -107,11 +113,13 @@ CONFIG_SYSVIPC_COMPAT=y # CONFIG_MARCH_G5 is not set CONFIG_MARCH_Z900=y # CONFIG_MARCH_Z990 is not set +# CONFIG_MARCH_Z9_109 is not set CONFIG_PACK_STACK=y # CONFIG_SMALL_STACK is not set CONFIG_CHECK_STACK=y CONFIG_STACK_GUARD=256 # CONFIG_WARN_STACK is not set +CONFIG_ARCH_POPULATES_NODE_MAP=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y # CONFIG_DISCONTIGMEM_MANUAL is not set @@ -165,6 +173,7 @@ CONFIG_PACKET=y CONFIG_UNIX=y CONFIG_XFRM=y # CONFIG_XFRM_USER is not set +# CONFIG_XFRM_SUB_POLICY is not set CONFIG_NET_KEY=y CONFIG_INET=y CONFIG_IP_MULTICAST=y @@ -183,21 +192,29 @@ CONFIG_IP_FIB_HASH=y # CONFIG_INET_TUNNEL is not set CONFIG_INET_XFRM_MODE_TRANSPORT=y CONFIG_INET_XFRM_MODE_TUNNEL=y +CONFIG_INET_XFRM_MODE_BEET=y CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set -CONFIG_TCP_CONG_BIC=y +CONFIG_TCP_CONG_CUBIC=y +CONFIG_DEFAULT_TCP_CONG="cubic" CONFIG_IPV6=y # CONFIG_IPV6_PRIVACY is not set # CONFIG_IPV6_ROUTER_PREF is not set # CONFIG_INET6_AH is not set # CONFIG_INET6_ESP is not set # CONFIG_INET6_IPCOMP is not set +# CONFIG_IPV6_MIP6 is not set # CONFIG_INET6_XFRM_TUNNEL is not set # CONFIG_INET6_TUNNEL is not set CONFIG_INET6_XFRM_MODE_TRANSPORT=y 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_TUNNEL is not set +# CONFIG_IPV6_SUBTREES is not set +# CONFIG_IPV6_MULTIPLE_TABLES is not set # CONFIG_NETWORK_SECMARK is not set # CONFIG_NETFILTER is not set @@ -224,7 +241,6 @@ CONFIG_INET6_XFRM_MODE_TUNNEL=y # CONFIG_ATALK is not set # CONFIG_X25 is not set # CONFIG_LAPB is not set -# CONFIG_NET_DIVERT is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set @@ -301,6 +317,7 @@ CONFIG_SYS_HYPERVISOR=y # # CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y +CONFIG_SCSI_NETLINK=y CONFIG_SCSI_PROC_FS=y # @@ -322,18 +339,18 @@ CONFIG_SCSI_CONSTANTS=y CONFIG_SCSI_LOGGING=y # -# SCSI Transport Attributes +# SCSI Transports # # CONFIG_SCSI_SPI_ATTRS is not set CONFIG_SCSI_FC_ATTRS=y # CONFIG_SCSI_ISCSI_ATTRS is not set # CONFIG_SCSI_SAS_ATTRS is not set +# CONFIG_SCSI_SAS_LIBSAS is not set # # SCSI low-level drivers # # CONFIG_ISCSI_TCP is not set -# CONFIG_SCSI_SATA is not set # CONFIG_SCSI_DEBUG is not set CONFIG_ZFCP=y CONFIG_CCW=y @@ -378,6 +395,7 @@ CONFIG_MD_RAID1=m CONFIG_MD_MULTIPATH=m # CONFIG_MD_FAULTY is not set CONFIG_BLK_DEV_DM=y +# CONFIG_DM_DEBUG is not set CONFIG_DM_CRYPT=y CONFIG_DM_SNAPSHOT=y CONFIG_DM_MIRROR=y @@ -487,14 +505,12 @@ CONFIG_IUCV=m # CONFIG_NETIUCV is not set # CONFIG_SMSGIUCV is not set # CONFIG_CLAW is not set -# CONFIG_MPC is not set CONFIG_QETH=y # # Gigabit Ethernet default settings # # CONFIG_QETH_IPV6 is not set -# CONFIG_QETH_PERF_STATS is not set CONFIG_CCWGROUP=y # CONFIG_PPP is not set # CONFIG_SLIP is not set @@ -513,13 +529,15 @@ CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y # CONFIG_EXT3_FS_POSIX_ACL is not set # CONFIG_EXT3_FS_SECURITY is not set +# CONFIG_EXT4DEV_FS is not set CONFIG_JBD=y # CONFIG_JBD_DEBUG is not set CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set -# CONFIG_FS_POSIX_ACL is not set +CONFIG_FS_POSIX_ACL=y # CONFIG_XFS_FS is not set +# CONFIG_GFS2_FS is not set # CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set @@ -549,8 +567,10 @@ CONFIG_DNOTIFY=y # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y +CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y # CONFIG_HUGETLB_PAGE is not set CONFIG_RAMFS=y # CONFIG_CONFIGFS_FS is not set @@ -598,6 +618,7 @@ CONFIG_SUNRPC=y # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set # CONFIG_9P_FS is not set +CONFIG_GENERIC_ACL=y # # Partition Types @@ -629,8 +650,11 @@ CONFIG_MSDOS_PARTITION=y # # Instrumentation Support # + +# +# Profiling support +# # CONFIG_PROFILING is not set -CONFIG_STATISTICS=y CONFIG_KPROBES=y # @@ -638,11 +662,11 @@ CONFIG_KPROBES=y # CONFIG_TRACE_IRQFLAGS_SUPPORT=y # CONFIG_PRINTK_TIME is not set +CONFIG_ENABLE_MUST_CHECK=y CONFIG_MAGIC_SYSRQ=y # CONFIG_UNUSED_SYMBOLS is not set CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=17 -# CONFIG_DETECT_SOFTLOCKUP is not set # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set CONFIG_DEBUG_PREEMPT=y @@ -659,10 +683,13 @@ CONFIG_DEBUG_SPINLOCK_SLEEP=y # CONFIG_DEBUG_INFO is not set CONFIG_DEBUG_FS=y # CONFIG_DEBUG_VM is not set +# CONFIG_DEBUG_LIST is not set # CONFIG_FRAME_POINTER is not set # CONFIG_UNWIND_INFO is not set CONFIG_FORCED_INLINING=y +CONFIG_HEADERS_CHECK=y # CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_LKDTM is not set # # Security options @@ -674,6 +701,9 @@ CONFIG_FORCED_INLINING=y # Cryptographic options # CONFIG_CRYPTO=y +CONFIG_CRYPTO_ALGAPI=m +CONFIG_CRYPTO_BLKCIPHER=m +CONFIG_CRYPTO_MANAGER=m # CONFIG_CRYPTO_HMAC is not set # CONFIG_CRYPTO_NULL is not set # CONFIG_CRYPTO_MD4 is not set @@ -685,6 +715,8 @@ CONFIG_CRYPTO=y # CONFIG_CRYPTO_SHA512 is not set # CONFIG_CRYPTO_WP512 is not set # CONFIG_CRYPTO_TGR192 is not set +CONFIG_CRYPTO_ECB=m +CONFIG_CRYPTO_CBC=m # CONFIG_CRYPTO_DES is not set # CONFIG_CRYPTO_DES_S390 is not set # CONFIG_CRYPTO_BLOWFISH is not set diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index e15e148..2001767 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -295,6 +295,7 @@ static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i) * * This is really horribly ugly. */ +#ifdef CONFIG_SYSVIPC asmlinkage long sys32_ipc(u32 call, int first, int second, int third, u32 ptr) { if (call >> 16) /* hack for backward compatibility */ @@ -338,6 +339,7 @@ asmlinkage long sys32_ipc(u32 call, int first, int second, int third, u32 ptr) return -ENOSYS; } +#endif asmlinkage long sys32_truncate64(const char __user * path, unsigned long high, unsigned long low) { diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 4aabeea..cb0efae 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -1658,3 +1658,10 @@ compat_sys_vmsplice_wrapper: llgfr %r4,%r4 # unsigned int llgfr %r5,%r5 # unsigned int jg compat_sys_vmsplice + + .globl sys_getcpu_wrapper +sys_getcpu_wrapper: + llgtr %r2,%r2 # unsigned * + llgtr %r3,%r3 # unsigned * + llgtr %r4,%r4 # struct getcpu_cache * + jg sys_tee diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S index 1b952a3..0a2c929 100644 --- a/arch/s390/kernel/head31.S +++ b/arch/s390/kernel/head31.S @@ -258,10 +258,10 @@ startup_continue: # find out if the diag 0x9c is available # mvc __LC_PGM_NEW_PSW(8),.Lpcdiag9c-.LPG1(%r13) - stap __LC_CPUID+4 # store cpu address - lh %r1,__LC_CPUID+4 - diag %r1,0,0x9c # test diag 0x9c - oi 2(%r12),1 # set diag9c flag + stap __LC_CPUID+4 # store cpu address + lh %r1,__LC_CPUID+4 + diag %r1,0,0x9c # test diag 0x9c + oi 2(%r12),1 # set diag9c flag .Lchkdiag9c: lpsw .Lentry-.LPG1(13) # jump to _stext in primary-space, diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index b30e589..42f54d4 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S @@ -253,12 +253,12 @@ startup_continue: # # find out if the diag 0x9c is available # - la %r1,0f-.LPG1(%r13) # set program check address - stg %r1,__LC_PGM_NEW_PSW+8 - stap __LC_CPUID+4 # store cpu address - lh %r1,__LC_CPUID+4 - diag %r1,0,0x9c # test diag 0x9c - oi 6(%r12),1 # set diag9c flag + la %r1,0f-.LPG1(%r13) # set program check address + stg %r1,__LC_PGM_NEW_PSW+8 + stap __LC_CPUID+4 # store cpu address + lh %r1,__LC_CPUID+4 + diag %r1,0,0x9c # test diag 0x9c + oi 6(%r12),1 # set diag9c flag 0: # diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index 4d9ff5c..67914fe 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -20,7 +20,6 @@ * s390 port, used ppc64 as template. Mike Grundy <grundym@us.ibm.com> */ -#include <linux/config.h> #include <linux/kprobes.h> #include <linux/ptrace.h> #include <linux/preempt.h> diff --git a/arch/s390/kernel/s390_ext.c b/arch/s390/kernel/s390_ext.c index c1b3835..4faf96f 100644 --- a/arch/s390/kernel/s390_ext.c +++ b/arch/s390/kernel/s390_ext.c @@ -16,6 +16,7 @@ #include <asm/lowcore.h> #include <asm/s390_ext.h> +#include <asm/irq_regs.h> #include <asm/irq.h> /* @@ -114,7 +115,9 @@ void do_extint(struct pt_regs *regs, unsigned short code) { ext_int_info_t *p; int index; + struct pt_regs *old_regs; + old_regs = set_irq_regs(regs); irq_enter(); asm volatile ("mc 0,0"); if (S390_lowcore.int_clock >= S390_lowcore.jiffy_timer) @@ -122,18 +125,18 @@ void do_extint(struct pt_regs *regs, unsigned short code) * Make sure that the i/o interrupt did not "overtake" * the last HZ timer interrupt. */ - account_ticks(regs); + account_ticks(); kstat_cpu(smp_processor_id()).irqs[EXTERNAL_INTERRUPT]++; index = ext_hash(code); for (p = ext_int_hash[index]; p; p = p->next) { if (likely(p->code == code)) { if (likely(p->handler)) - p->handler(regs, code); + p->handler(code); } } irq_exit(); + set_irq_regs(old_regs); } EXPORT_SYMBOL(register_external_interrupt); EXPORT_SYMBOL(unregister_external_interrupt); - diff --git a/arch/s390/kernel/s390_ksyms.c b/arch/s390/kernel/s390_ksyms.c index 9f19e83..90b5ef5 100644 --- a/arch/s390/kernel/s390_ksyms.c +++ b/arch/s390/kernel/s390_ksyms.c @@ -51,4 +51,3 @@ EXPORT_SYMBOL(csum_fold); EXPORT_SYMBOL(console_mode); EXPORT_SYMBOL(console_devno); EXPORT_SYMBOL(console_irq); -EXPORT_SYMBOL(sys_wait4); diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index a21cfbb..49f2b68 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -70,7 +70,6 @@ struct { #define CHUNK_READ_WRITE 0 #define CHUNK_READ_ONLY 1 volatile int __cpu_logical_map[NR_CPUS]; /* logical cpu to cpu address */ -unsigned long __initdata zholes_size[MAX_NR_ZONES]; static unsigned long __initdata memory_end; /* @@ -358,21 +357,6 @@ void machine_power_off(void) */ void (*pm_power_off)(void) = machine_power_off; -static void __init -add_memory_hole(unsigned long start, unsigned long end) -{ - unsigned long dma_pfn = MAX_DMA_ADDRESS >> PAGE_SHIFT; - - if (end <= dma_pfn) - zholes_size[ZONE_DMA] += end - start + 1; - else if (start > dma_pfn) - zholes_size[ZONE_NORMAL] += end - start + 1; - else { - zholes_size[ZONE_DMA] += dma_pfn - start + 1; - zholes_size[ZONE_NORMAL] += end - dma_pfn; - } -} - static int __init early_parse_mem(char *p) { memory_end = memparse(p, &p); @@ -494,7 +478,6 @@ setup_memory(void) { unsigned long bootmap_size; unsigned long start_pfn, end_pfn, init_pfn; - unsigned long last_rw_end; int i; /* @@ -543,46 +526,34 @@ setup_memory(void) #endif /* - * Initialize the boot-time allocator (with low memory only): + * Initialize the boot-time allocator */ bootmap_size = init_bootmem(start_pfn, end_pfn); /* * Register RAM areas with the bootmem allocator. */ - last_rw_end = start_pfn; for (i = 0; i < MEMORY_CHUNKS && memory_chunk[i].size > 0; i++) { - unsigned long start_chunk, end_chunk; + unsigned long start_chunk, end_chunk, pfn; if (memory_chunk[i].type != CHUNK_READ_WRITE) continue; - start_chunk = (memory_chunk[i].addr + PAGE_SIZE - 1); - start_chunk >>= PAGE_SHIFT; - end_chunk = (memory_chunk[i].addr + memory_chunk[i].size); - end_chunk >>= PAGE_SHIFT; - if (start_chunk < start_pfn) - start_chunk = start_pfn; - if (end_chunk > end_pfn) - end_chunk = end_pfn; - if (start_chunk < end_chunk) { - /* Initialize storage key for RAM pages */ - for (init_pfn = start_chunk ; init_pfn < end_chunk; - init_pfn++) - page_set_storage_key(init_pfn << PAGE_SHIFT, - PAGE_DEFAULT_KEY); - free_bootmem(start_chunk << PAGE_SHIFT, - (end_chunk - start_chunk) << PAGE_SHIFT); - if (last_rw_end < start_chunk) - add_memory_hole(last_rw_end, start_chunk - 1); - last_rw_end = end_chunk; - } + start_chunk = PFN_DOWN(memory_chunk[i].addr); + end_chunk = start_chunk + PFN_DOWN(memory_chunk[i].size) - 1; + end_chunk = min(end_chunk, end_pfn); + if (start_chunk >= end_chunk) + continue; + add_active_range(0, start_chunk, end_chunk); + pfn = max(start_chunk, start_pfn); + for (; pfn <= end_chunk; pfn++) + page_set_storage_key(PFN_PHYS(pfn), PAGE_DEFAULT_KEY); } psw_set_key(PAGE_DEFAULT_KEY); - if (last_rw_end < end_pfn - 1) - add_memory_hole(last_rw_end, end_pfn - 1); + free_bootmem_with_active_regions(0, max_pfn); + reserve_bootmem(0, PFN_PHYS(start_pfn)); /* * Reserve the bootmem bitmap itself as well. We do this in two diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index 642095e..4392a77 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -113,17 +113,15 @@ sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss, /* Returns non-zero on fault. */ static int save_sigregs(struct pt_regs *regs, _sigregs __user *sregs) { - unsigned long old_mask = regs->psw.mask; _sigregs user_sregs; save_access_regs(current->thread.acrs); /* Copy a 'clean' PSW mask to the user to avoid leaking information about whether PER is currently on. */ - regs->psw.mask = PSW_MASK_MERGE(PSW_USER_BITS, regs->psw.mask); - memcpy(&user_sregs.regs.psw, ®s->psw, sizeof(sregs->regs.psw) + - sizeof(sregs->regs.gprs)); - regs->psw.mask = old_mask; + user_sregs.regs.psw.mask = PSW_MASK_MERGE(PSW_USER_BITS, regs->psw.mask); + user_sregs.regs.psw.addr = regs->psw.addr; + memcpy(&user_sregs.regs.gprs, ®s->gprs, sizeof(sregs->regs.gprs)); memcpy(&user_sregs.regs.acrs, current->thread.acrs, sizeof(sregs->regs.acrs)); /* @@ -139,7 +137,6 @@ static int save_sigregs(struct pt_regs *regs, _sigregs __user *sregs) /* Returns positive number on error */ static int restore_sigregs(struct pt_regs *regs, _sigregs __user *sregs) { - unsigned long old_mask = regs->psw.mask; int err; _sigregs user_sregs; @@ -147,12 +144,12 @@ static int restore_sigregs(struct pt_regs *regs, _sigregs __user *sregs) current_thread_info()->restart_block.fn = do_no_restart_syscall; err = __copy_from_user(&user_sregs, sregs, sizeof(_sigregs)); - regs->psw.mask = PSW_MASK_MERGE(old_mask, regs->psw.mask); - regs->psw.addr |= PSW_ADDR_AMODE; if (err) return err; - memcpy(®s->psw, &user_sregs.regs.psw, sizeof(sregs->regs.psw) + - sizeof(sregs->regs.gprs)); + regs->psw.mask = PSW_MASK_MERGE(regs->psw.mask, + user_sregs.regs.psw.mask); + regs->psw.addr = PSW_ADDR_AMODE | user_sregs.regs.psw.addr; + memcpy(®s->gprs, &user_sregs.regs.gprs, sizeof(sregs->regs.gprs)); memcpy(¤t->thread.acrs, &user_sregs.regs.acrs, sizeof(sregs->regs.acrs)); restore_access_regs(current->thread.acrs); diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index a8e6199..6282224 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -339,7 +339,7 @@ void machine_power_off_smp(void) * cpus are handled. */ -void do_ext_call_interrupt(struct pt_regs *regs, __u16 code) +void do_ext_call_interrupt(__u16 code) { unsigned long bits; diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c index d9428a0..0d14a47 100644 --- a/arch/s390/kernel/stacktrace.c +++ b/arch/s390/kernel/stacktrace.c @@ -62,27 +62,26 @@ static inline unsigned long save_context_stack(struct stack_trace *trace, void save_stack_trace(struct stack_trace *trace, struct task_struct *task) { register unsigned long sp asm ("15"); - unsigned long orig_sp; + unsigned long orig_sp, new_sp; - sp &= PSW_ADDR_INSN; - orig_sp = sp; + orig_sp = sp & PSW_ADDR_INSN; - sp = save_context_stack(trace, &trace->skip, sp, + new_sp = save_context_stack(trace, &trace->skip, orig_sp, S390_lowcore.panic_stack - PAGE_SIZE, S390_lowcore.panic_stack); - if ((sp != orig_sp) && !trace->all_contexts) + if ((new_sp != orig_sp) && !trace->all_contexts) return; - sp = save_context_stack(trace, &trace->skip, sp, + new_sp = save_context_stack(trace, &trace->skip, new_sp, S390_lowcore.async_stack - ASYNC_SIZE, S390_lowcore.async_stack); - if ((sp != orig_sp) && !trace->all_contexts) + if ((new_sp != orig_sp) && !trace->all_contexts) return; if (task) - save_context_stack(trace, &trace->skip, sp, + save_context_stack(trace, &trace->skip, new_sp, (unsigned long) task_stack_page(task), (unsigned long) task_stack_page(task) + THREAD_SIZE); else - save_context_stack(trace, &trace->skip, sp, + save_context_stack(trace, &trace->skip, new_sp, S390_lowcore.thread_info, S390_lowcore.thread_info + THREAD_SIZE); return; diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index 93be1d5..a4ceae3 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -318,3 +318,6 @@ SYSCALL(sys_splice,sys_splice,sys_splice_wrapper) SYSCALL(sys_sync_file_range,sys_sync_file_range,sys_sync_file_range_wrapper) SYSCALL(sys_tee,sys_tee,sys_tee_wrapper) SYSCALL(sys_vmsplice,sys_vmsplice,compat_sys_vmsplice_wrapper) +NI_SYSCALL /* 310 sys_move_pages */ +SYSCALL(sys_getcpu,sys_getcpu,sys_getcpu_wrapper) +SYSCALL(sys_epoll_pwait,sys_epoll_pwait,sys_ni_syscall) diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index 4bf66cc..6cceed4 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -28,12 +28,14 @@ #include <linux/profile.h> #include <linux/timex.h> #include <linux/notifier.h> +#include <linux/clocksource.h> #include <asm/uaccess.h> #include <asm/delay.h> #include <asm/s390_ext.h> #include <asm/div64.h> #include <asm/irq.h> +#include <asm/irq_regs.h> #include <asm/timer.h> /* change this if you have some constant time drift */ @@ -81,78 +83,10 @@ void tod_to_timeval(__u64 todval, struct timespec *xtime) xtime->tv_nsec = ((todval * 1000) >> 12); } -static inline unsigned long do_gettimeoffset(void) -{ - __u64 now; - - now = (get_clock() - jiffies_timer_cc) >> 12; - now -= (__u64) jiffies * USECS_PER_JIFFY; - return (unsigned long) now; -} - -/* - * This version of gettimeofday has microsecond resolution. - */ -void do_gettimeofday(struct timeval *tv) -{ - unsigned long flags; - unsigned long seq; - unsigned long usec, sec; - - do { - seq = read_seqbegin_irqsave(&xtime_lock, flags); - - sec = xtime.tv_sec; - usec = xtime.tv_nsec / 1000 + do_gettimeoffset(); - } while (read_seqretry_irqrestore(&xtime_lock, seq, flags)); - - while (usec >= 1000000) { - usec -= 1000000; - sec++; - } - - tv->tv_sec = sec; - tv->tv_usec = usec; -} - -EXPORT_SYMBOL(do_gettimeofday); - -int do_settimeofday(struct timespec *tv) -{ - time_t wtm_sec, sec = tv->tv_sec; - long wtm_nsec, nsec = tv->tv_nsec; - - if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC) - return -EINVAL; - - write_seqlock_irq(&xtime_lock); - /* This is revolting. We need to set the xtime.tv_nsec - * correctly. However, the value in this location is - * is value at the last tick. - * Discover what correction gettimeofday - * would have done, and then undo it! - */ - nsec -= do_gettimeoffset() * 1000; - - wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec); - wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec); - - set_normalized_timespec(&xtime, sec, nsec); - set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec); - - ntp_clear(); - write_sequnlock_irq(&xtime_lock); - clock_was_set(); - return 0; -} - -EXPORT_SYMBOL(do_settimeofday); - - #ifdef CONFIG_PROFILING -#define s390_do_profile(regs) profile_tick(CPU_PROFILING, regs) +#define s390_do_profile() profile_tick(CPU_PROFILING) #else -#define s390_do_profile(regs) do { ; } while(0) +#define s390_do_profile() do { ; } while(0) #endif /* CONFIG_PROFILING */ @@ -160,7 +94,7 @@ EXPORT_SYMBOL(do_settimeofday); * timer_interrupt() needs to keep up the real-time clock, * as well as call the "do_timer()" routine every clocktick */ -void account_ticks(struct pt_regs *regs) +void account_ticks(void) { __u64 tmp; __u32 ticks; @@ -221,10 +155,10 @@ void account_ticks(struct pt_regs *regs) account_tick_vtime(current); #else while (ticks--) - update_process_times(user_mode(regs)); + update_process_times(user_mode(get_irq_regs())); #endif - s390_do_profile(regs); + s390_do_profile(); } #ifdef CONFIG_NO_IDLE_HZ @@ -285,9 +219,11 @@ static inline void stop_hz_timer(void) */ static inline void start_hz_timer(void) { + BUG_ON(!in_interrupt()); + if (!cpu_isset(smp_processor_id(), nohz_cpu_mask)) return; - account_ticks(task_pt_regs(current)); + account_ticks(); cpu_clear(smp_processor_id(), nohz_cpu_mask); } @@ -337,6 +273,22 @@ void init_cpu_timer(void) extern void vtime_init(void); +static cycle_t read_tod_clock(void) +{ + return get_clock(); +} + +static struct clocksource clocksource_tod = { + .name = "tod", + .rating = 100, + .read = read_tod_clock, + .mask = -1ULL, + .mult = 1000, + .shift = 12, + .is_continuous = 1, +}; + + /* * Initialize the TOD clock and the CPU timer of * the boot cpu. @@ -381,6 +333,9 @@ void __init time_init(void) &ext_int_info_cc) != 0) panic("Couldn't request external interrupt 0x1004"); + if (clocksource_register(&clocksource_tod) != 0) + panic("Could not register TOD clock source"); + init_cpu_timer(); #ifdef CONFIG_NO_IDLE_HZ diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 3eb4fab..66375a5 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -61,7 +61,7 @@ extern pgm_check_handler_t do_dat_exception; #ifdef CONFIG_PFAULT extern int pfault_init(void); extern void pfault_fini(void); -extern void pfault_interrupt(struct pt_regs *regs, __u16 error_code); +extern void pfault_interrupt(__u16 error_code); static ext_int_info_t ext_int_pfault; #endif extern pgm_check_handler_t do_monitor_call; @@ -474,7 +474,7 @@ asmlinkage void illegal_op(struct pt_regs * regs, long interruption_code) signal = math_emu_b3(opcode, regs); } else if (opcode[0] == 0xed) { get_user(*((__u32 *) (opcode+2)), - (__u32 *)(location+1)); + (__u32 __user *)(location+1)); signal = math_emu_ed(opcode, regs); } else if (*((__u16 *) opcode) == 0xb299) { get_user(*((__u16 *) (opcode+2)), location+1); @@ -499,7 +499,7 @@ asmlinkage void illegal_op(struct pt_regs * regs, long interruption_code) info.si_signo = signal; info.si_errno = 0; info.si_code = SEGV_MAPERR; - info.si_addr = (void *) location; + info.si_addr = (void __user *) location; do_trap(interruption_code, signal, "user address fault", regs, &info); } else @@ -520,10 +520,10 @@ asmlinkage void specification_exception(struct pt_regs * regs, long interruption_code) { __u8 opcode[6]; - __u16 *location = NULL; + __u16 __user *location = NULL; int signal = 0; - location = (__u16 *) get_check_address(regs); + location = (__u16 __user *) get_check_address(regs); /* * We got all needed information from the lowcore and can @@ -632,7 +632,7 @@ asmlinkage void data_exception(struct pt_regs * regs, long interruption_code) break; case 0xed: get_user(*((__u32 *) (opcode+2)), - (__u32 *)(location+1)); + (__u32 __user *)(location+1)); signal = math_emu_ed(opcode, regs); break; case 0xb2: diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c index 2306cd8..21baaf5 100644 --- a/arch/s390/kernel/vtime.c +++ b/arch/s390/kernel/vtime.c @@ -22,6 +22,7 @@ #include <asm/s390_ext.h> #include <asm/timer.h> +#include <asm/irq_regs.h> static ext_int_info_t ext_int_info_timer; DEFINE_PER_CPU(struct vtimer_queue, virt_cpu_timer); @@ -208,11 +209,11 @@ static void list_add_sorted(struct vtimer_list *timer, struct list_head *head) * Do the callback functions of expired vtimer events. * Called from within the interrupt handler. */ -static void do_callbacks(struct list_head *cb_list, struct pt_regs *regs) +static void do_callbacks(struct list_head *cb_list) { struct vtimer_queue *vt_list; struct vtimer_list *event, *tmp; - void (*fn)(unsigned long, struct pt_regs*); + void (*fn)(unsigned long); unsigned long data; if (list_empty(cb_list)) @@ -223,7 +224,7 @@ static void do_callbacks(struct list_head *cb_list, struct pt_regs *regs) list_for_each_entry_safe(event, tmp, cb_list, entry) { fn = event->function; data = event->data; - fn(data, regs); + fn(data); if (!event->interval) /* delete one shot timer */ @@ -241,7 +242,7 @@ static void do_callbacks(struct list_head *cb_list, struct pt_regs *regs) /* * Handler for the virtual CPU timer. */ -static void do_cpu_timer_interrupt(struct pt_regs *regs, __u16 error_code) +static void do_cpu_timer_interrupt(__u16 error_code) { int cpu; __u64 next, delta; @@ -274,7 +275,7 @@ static void do_cpu_timer_interrupt(struct pt_regs *regs, __u16 error_code) list_move_tail(&event->entry, &cb_list); } spin_unlock(&vt_list->lock); - do_callbacks(&cb_list, regs); + do_callbacks(&cb_list); /* next event is first in list */ spin_lock(&vt_list->lock); diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 9c3c19f..1c323bb 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -451,7 +451,7 @@ void pfault_fini(void) } asmlinkage void -pfault_interrupt(struct pt_regs *regs, __u16 error_code) +pfault_interrupt(__u16 error_code) { struct task_struct *tsk; __u16 subcode; diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index 127044e..d998917 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -62,19 +62,21 @@ void show_mem(void) { int i, total = 0, reserved = 0; int shared = 0, cached = 0; + struct page *page; printk("Mem-info:\n"); show_free_areas(); printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10)); i = max_mapnr; while (i-- > 0) { + page = pfn_to_page(i); total++; - if (PageReserved(mem_map+i)) + if (PageReserved(page)) reserved++; - else if (PageSwapCache(mem_map+i)) + else if (PageSwapCache(page)) cached++; - else if (page_count(mem_map+i)) - shared += page_count(mem_map+i) - 1; + else if (page_count(page)) + shared += page_count(page) - 1; } printk("%d pages of RAM\n",total); printk("%d reserved pages\n",reserved); @@ -82,7 +84,6 @@ void show_mem(void) printk("%d pages swap cached\n",cached); } -extern unsigned long __initdata zholes_size[]; /* * paging_init() sets up the page tables */ @@ -99,16 +100,15 @@ void __init paging_init(void) unsigned long pgdir_k = (__pa(swapper_pg_dir) & PAGE_MASK) | _KERNSEG_TABLE; static const int ssm_mask = 0x04000000L; unsigned long ro_start_pfn, ro_end_pfn; - unsigned long zones_size[MAX_NR_ZONES]; + unsigned long max_zone_pfns[MAX_NR_ZONES]; ro_start_pfn = PFN_DOWN((unsigned long)&__start_rodata); ro_end_pfn = PFN_UP((unsigned long)&__end_rodata); - memset(zones_size, 0, sizeof(zones_size)); - zones_size[ZONE_DMA] = max_low_pfn; - free_area_init_node(0, &contig_page_data, zones_size, - __pa(PAGE_OFFSET) >> PAGE_SHIFT, - zholes_size); + memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); + max_zone_pfns[ZONE_DMA] = max_low_pfn; + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; + free_area_init_nodes(max_zone_pfns); /* unmap whole virtual address space */ @@ -153,7 +153,6 @@ void __init paging_init(void) __raw_local_irq_ssm(ssm_mask); local_flush_tlb(); - return; } #else /* CONFIG_64BIT */ @@ -169,26 +168,16 @@ void __init paging_init(void) unsigned long pgdir_k = (__pa(swapper_pg_dir) & PAGE_MASK) | _KERN_REGION_TABLE; static const int ssm_mask = 0x04000000L; - unsigned long zones_size[MAX_NR_ZONES]; - unsigned long dma_pfn, high_pfn; unsigned long ro_start_pfn, ro_end_pfn; + unsigned long max_zone_pfns[MAX_NR_ZONES]; - memset(zones_size, 0, sizeof(zones_size)); - dma_pfn = MAX_DMA_ADDRESS >> PAGE_SHIFT; - high_pfn = max_low_pfn; ro_start_pfn = PFN_DOWN((unsigned long)&__start_rodata); ro_end_pfn = PFN_UP((unsigned long)&__end_rodata); - if (dma_pfn > high_pfn) - zones_size[ZONE_DMA] = high_pfn; - else { - zones_size[ZONE_DMA] = dma_pfn; - zones_size[ZONE_NORMAL] = high_pfn - dma_pfn; - } - - /* Initialize mem_map[]. */ - free_area_init_node(0, &contig_page_data, zones_size, - __pa(PAGE_OFFSET) >> PAGE_SHIFT, zholes_size); + memset(max_zone_pfns, 0, sizeof(max_zone_pfns)); + max_zone_pfns[ZONE_DMA] = PFN_DOWN(MAX_DMA_ADDRESS); + max_zone_pfns[ZONE_NORMAL] = max_low_pfn; + free_area_init_nodes(max_zone_pfns); /* * map whole physical memory to virtual memory (identity mapping) @@ -237,8 +226,6 @@ void __init paging_init(void) __raw_local_irq_ssm(ssm_mask); local_flush_tlb(); - - return; } #endif /* CONFIG_64BIT */ |