Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753432Ab0DIOSO (ORCPT ); Fri, 9 Apr 2010 10:18:14 -0400 Received: from mtagate6.de.ibm.com ([195.212.17.166]:48025 "EHLO mtagate6.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753067Ab0DIOSJ (ORCPT ); Fri, 9 Apr 2010 10:18:09 -0400 Date: Fri, 9 Apr 2010 16:18:04 +0200 From: Martin Schwidefsky To: Linus Torvalds Cc: linux-kernel , linux-s390 , Heiko Carstens Subject: [GIT PULL] s390 patches for 2.6.34-rc3 Message-ID: <20100409161804.32e14161@mschwide.boeblingen.de.ibm.com> Organization: IBM Corporation X-Mailer: Claws Mail 3.7.5 (GTK+ 2.18.9; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 11731 Lines: 392 Hi Linus, please pull from 'for-linus' branch of git://git390.marist.edu/pub/scm/linux-2.6.git for-linus to receive the following updates: Christian Borntraeger (1): [S390] s390: disable change bit override Dan Carpenter (1): [S390] sclp_async: potential buffer overflow Heiko Carstens (1): [S390] nss: add missing .previous statement to asm function Julia Lawall (1): [S390] arch/s390/kernel: Add missing unlock Martin Schwidefsky (3): [S390] fix io_return critical section cleanup [S390] increase default size of vmalloc area [S390] Update default configuration. arch/s390/defconfig | 40 +++++++++++++++++++++++++++++--------- arch/s390/include/asm/pgtable.h | 6 ++-- arch/s390/kernel/early.c | 3 +- arch/s390/kernel/entry.S | 8 ++++++- arch/s390/kernel/entry64.S | 8 ++++++- arch/s390/kernel/topology.c | 3 +- arch/s390/mm/vmem.c | 11 ++------- drivers/s390/char/sclp_async.c | 2 +- 8 files changed, 55 insertions(+), 26 deletions(-) diff --git a/arch/s390/defconfig b/arch/s390/defconfig index 7ae71cc..bcd6884 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.33-rc2 -# Mon Jan 4 09:03:07 2010 +# Linux kernel version: 2.6.34-rc3 +# Fri Apr 9 09:57:10 2010 # CONFIG_SCHED_MC=y CONFIG_MMU=y @@ -17,6 +17,7 @@ CONFIG_GENERIC_TIME=y CONFIG_GENERIC_TIME_VSYSCALL=y CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_GENERIC_BUG=y +CONFIG_GENERIC_BUG_RELATIVE_POINTERS=y CONFIG_NO_IOMEM=y CONFIG_NO_DMA=y CONFIG_GENERIC_LOCKBREAK=y @@ -62,15 +63,11 @@ CONFIG_TREE_RCU=y # CONFIG_RCU_TRACE is not set CONFIG_RCU_FANOUT=64 # CONFIG_RCU_FANOUT_EXACT is not set +# CONFIG_RCU_FAST_NO_HZ is not set # CONFIG_TREE_RCU_TRACE is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=17 -CONFIG_GROUP_SCHED=y -CONFIG_FAIR_GROUP_SCHED=y -# CONFIG_RT_GROUP_SCHED is not set -CONFIG_USER_SCHED=y -# CONFIG_CGROUP_SCHED is not set CONFIG_CGROUPS=y # CONFIG_CGROUP_DEBUG is not set CONFIG_CGROUP_NS=y @@ -79,6 +76,7 @@ CONFIG_CGROUP_NS=y # CONFIG_CPUSETS is not set # CONFIG_CGROUP_CPUACCT is not set # CONFIG_RESOURCE_COUNTERS is not set +# CONFIG_CGROUP_SCHED is not set CONFIG_SYSFS_DEPRECATED=y CONFIG_SYSFS_DEPRECATED_V2=y # CONFIG_RELAY is not set @@ -93,6 +91,7 @@ CONFIG_INITRAMFS_SOURCE="" CONFIG_RD_GZIP=y CONFIG_RD_BZIP2=y CONFIG_RD_LZMA=y +CONFIG_RD_LZO=y # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y CONFIG_ANON_INODES=y @@ -126,6 +125,7 @@ CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_SLOB is not set # CONFIG_PROFILING is not set +CONFIG_TRACEPOINTS=y CONFIG_HAVE_OPROFILE=y CONFIG_KPROBES=y CONFIG_HAVE_SYSCALL_WRAPPERS=y @@ -134,6 +134,7 @@ CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y CONFIG_HAVE_ARCH_TRACEHOOK=y CONFIG_USE_GENERIC_SMP_HELPERS=y +CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y CONFIG_HAVE_DEFAULT_NO_SPIN_MUTEXES=y # @@ -246,6 +247,7 @@ CONFIG_64BIT=y CONFIG_SMP=y CONFIG_NR_CPUS=32 CONFIG_HOTPLUG_CPU=y +# CONFIG_SCHED_BOOK is not set CONFIG_COMPAT=y CONFIG_SYSVIPC_COMPAT=y CONFIG_AUDIT_ARCH=y @@ -345,13 +347,13 @@ CONFIG_PM_SLEEP=y CONFIG_HIBERNATION=y CONFIG_PM_STD_PARTITION="" # CONFIG_PM_RUNTIME is not set +CONFIG_PM_OPS=y CONFIG_NET=y # # Networking options # CONFIG_PACKET=y -# CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y CONFIG_XFRM=y # CONFIG_XFRM_USER is not set @@ -529,6 +531,7 @@ CONFIG_NET_SCH_FIFO=y # # CONFIG_NET_PKTGEN is not set # CONFIG_NET_TCPPROBE is not set +# CONFIG_NET_DROP_MONITOR is not set CONFIG_CAN=m CONFIG_CAN_RAW=m CONFIG_CAN_BCM=m @@ -605,6 +608,7 @@ CONFIG_MISC_DEVICES=y # # SCSI device support # +CONFIG_SCSI_MOD=y # CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y # CONFIG_SCSI_DMA is not set @@ -863,6 +867,7 @@ CONFIG_MISC_FILESYSTEMS=y # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set +# CONFIG_LOGFS is not set # CONFIG_CRAMFS is not set # CONFIG_SQUASHFS is not set # CONFIG_VXFS_FS is not set @@ -891,6 +896,7 @@ CONFIG_SUNRPC=y # CONFIG_RPCSEC_GSS_KRB5 is not set # CONFIG_RPCSEC_GSS_SPKM3 is not set # CONFIG_SMB_FS is not set +# CONFIG_CEPH_FS is not set # CONFIG_CIFS is not set # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set @@ -952,6 +958,7 @@ CONFIG_DEBUG_MUTEXES=y # CONFIG_LOCK_STAT is not set CONFIG_DEBUG_SPINLOCK_SLEEP=y # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set +CONFIG_STACKTRACE=y # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set @@ -973,12 +980,17 @@ CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y # CONFIG_LATENCYTOP is not set CONFIG_SYSCTL_SYSCALL_CHECK=y # CONFIG_DEBUG_PAGEALLOC is not set +CONFIG_NOP_TRACER=y CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y CONFIG_HAVE_DYNAMIC_FTRACE=y CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y CONFIG_HAVE_SYSCALL_TRACEPOINTS=y +CONFIG_RING_BUFFER=y +CONFIG_EVENT_TRACING=y +CONFIG_CONTEXT_SWITCH_TRACER=y +CONFIG_TRACING=y CONFIG_TRACING_SUPPORT=y CONFIG_FTRACE=y # CONFIG_FUNCTION_TRACER is not set @@ -995,10 +1007,15 @@ CONFIG_BRANCH_PROFILE_NONE=y # CONFIG_KMEMTRACE is not set # CONFIG_WORKQUEUE_TRACER is not set # CONFIG_BLK_DEV_IO_TRACE is not set +CONFIG_KPROBE_EVENT=y +# CONFIG_RING_BUFFER_BENCHMARK is not set # CONFIG_DYNAMIC_DEBUG is not set CONFIG_SAMPLES=y +# CONFIG_SAMPLE_TRACEPOINTS is not set +# CONFIG_SAMPLE_TRACE_EVENTS is not set # CONFIG_SAMPLE_KOBJECT is not set # CONFIG_SAMPLE_KPROBES is not set +# CONFIG_DEBUG_STRICT_USER_COPY_CHECKS is not set # # Security options @@ -1032,6 +1049,7 @@ CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_MANAGER2=y CONFIG_CRYPTO_GF128MUL=m # CONFIG_CRYPTO_NULL is not set +# CONFIG_CRYPTO_PCRYPT is not set CONFIG_CRYPTO_WORKQUEUE=y # CONFIG_CRYPTO_CRYPTD is not set CONFIG_CRYPTO_AUTHENC=m @@ -1119,7 +1137,7 @@ CONFIG_CRYPTO_SHA512_S390=m # CONFIG_CRYPTO_DES_S390 is not set # CONFIG_CRYPTO_AES_S390 is not set CONFIG_S390_PRNG=m -# CONFIG_BINARY_PRINTF is not set +CONFIG_BINARY_PRINTF=y # # Library routines @@ -1136,14 +1154,16 @@ CONFIG_LIBCRC32C=m CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=m CONFIG_LZO_COMPRESS=m -CONFIG_LZO_DECOMPRESS=m +CONFIG_LZO_DECOMPRESS=y CONFIG_DECOMPRESS_GZIP=y CONFIG_DECOMPRESS_BZIP2=y CONFIG_DECOMPRESS_LZMA=y +CONFIG_DECOMPRESS_LZO=y CONFIG_NLATTR=y CONFIG_HAVE_KVM=y CONFIG_VIRTUALIZATION=y CONFIG_KVM=m +# CONFIG_VHOST_NET is not set CONFIG_VIRTIO=y CONFIG_VIRTIO_RING=y CONFIG_VIRTIO_BALLOON=m diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 9b5b918..89a504c 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -105,7 +105,7 @@ extern char empty_zero_page[PAGE_SIZE]; #ifndef __ASSEMBLY__ /* * The vmalloc area will always be on the topmost area of the kernel - * mapping. We reserve 96MB (31bit) / 1GB (64bit) for vmalloc, + * mapping. We reserve 96MB (31bit) / 128GB (64bit) for vmalloc, * which should be enough for any sane case. * By putting vmalloc at the top, we maximise the gap between physical * memory and vmalloc to catch misplaced memory accesses. As a side @@ -120,8 +120,8 @@ extern unsigned long VMALLOC_START; #define VMALLOC_END 0x7e000000UL #define VMEM_MAP_END 0x80000000UL #else /* __s390x__ */ -#define VMALLOC_SIZE (1UL << 30) -#define VMALLOC_END 0x3e040000000UL +#define VMALLOC_SIZE (128UL << 30) +#define VMALLOC_END 0x3e000000000UL #define VMEM_MAP_END 0x40000000000UL #endif /* __s390x__ */ diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 31d618a..2d92c2c 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -82,7 +82,8 @@ asm( " lm 6,15,24(15)\n" #endif " br 14\n" - " .size savesys_ipl_nss, .-savesys_ipl_nss\n"); + " .size savesys_ipl_nss, .-savesys_ipl_nss\n" + " .previous\n"); static __initdata char upper_command_line[COMMAND_LINE_SIZE]; diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 4348f9b..6af7045 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -964,7 +964,7 @@ cleanup_critical: clc 4(4,%r12),BASED(cleanup_table_io_work_loop) bl BASED(0f) clc 4(4,%r12),BASED(cleanup_table_io_work_loop+4) - bl BASED(cleanup_io_return) + bl BASED(cleanup_io_work_loop) 0: br %r14 @@ -1039,6 +1039,12 @@ cleanup_sysc_leave_insn: cleanup_io_return: mvc __LC_RETURN_PSW(4),0(%r12) + mvc __LC_RETURN_PSW+4(4),BASED(cleanup_table_io_return) + la %r12,__LC_RETURN_PSW + br %r14 + +cleanup_io_work_loop: + mvc __LC_RETURN_PSW(4),0(%r12) mvc __LC_RETURN_PSW+4(4),BASED(cleanup_table_io_work_loop) la %r12,__LC_RETURN_PSW br %r14 diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 29fd0f1..52106d5 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -946,7 +946,7 @@ cleanup_critical: clc 8(8,%r12),BASED(cleanup_table_io_work_loop) jl 0f clc 8(8,%r12),BASED(cleanup_table_io_work_loop+8) - jl cleanup_io_return + jl cleanup_io_work_loop 0: br %r14 @@ -1021,6 +1021,12 @@ cleanup_sysc_leave_insn: cleanup_io_return: mvc __LC_RETURN_PSW(8),0(%r12) + mvc __LC_RETURN_PSW+8(8),BASED(cleanup_table_io_return) + la %r12,__LC_RETURN_PSW + br %r14 + +cleanup_io_work_loop: + mvc __LC_RETURN_PSW(8),0(%r12) mvc __LC_RETURN_PSW+8(8),BASED(cleanup_table_io_work_loop) la %r12,__LC_RETURN_PSW br %r14 diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 14ef6f0..247b4c2 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -165,10 +165,11 @@ static void tl_to_cores(struct tl_info *info) default: clear_cores(); machine_has_topology = 0; - return; + goto out; } tle = next_tle(tle); } +out: spin_unlock_irq(&topology_lock); } diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 8ea3144..90165e7 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -71,12 +71,8 @@ static pte_t __ref *vmem_pte_alloc(void) pte = alloc_bootmem(PTRS_PER_PTE * sizeof(pte_t)); if (!pte) return NULL; - if (MACHINE_HAS_HPAGE) - clear_table((unsigned long *) pte, _PAGE_TYPE_EMPTY | _PAGE_CO, - PTRS_PER_PTE * sizeof(pte_t)); - else - clear_table((unsigned long *) pte, _PAGE_TYPE_EMPTY, - PTRS_PER_PTE * sizeof(pte_t)); + clear_table((unsigned long *) pte, _PAGE_TYPE_EMPTY, + PTRS_PER_PTE * sizeof(pte_t)); return pte; } @@ -117,8 +113,7 @@ static int vmem_add_mem(unsigned long start, unsigned long size, int ro) if (MACHINE_HAS_HPAGE && !(address & ~HPAGE_MASK) && (address + HPAGE_SIZE <= start + size) && (address >= HPAGE_SIZE)) { - pte_val(pte) |= _SEGMENT_ENTRY_LARGE | - _SEGMENT_ENTRY_CO; + pte_val(pte) |= _SEGMENT_ENTRY_LARGE; pmd_val(*pm_dir) = pte_val(pte); address += HPAGE_SIZE - PAGE_SIZE; continue; diff --git a/drivers/s390/char/sclp_async.c b/drivers/s390/char/sclp_async.c index 2aecf7f..7ad30e7 100644 --- a/drivers/s390/char/sclp_async.c +++ b/drivers/s390/char/sclp_async.c @@ -85,7 +85,7 @@ static int proc_handler_callhome(struct ctl_table *ctl, int write, rc = copy_from_user(buf, buffer, sizeof(buf)); if (rc != 0) return -EFAULT; - buf[len - 1] = '\0'; + buf[sizeof(buf) - 1] = '\0'; if (strict_strtoul(buf, 0, &val) != 0) return -EINVAL; if (val != 0 && val != 1) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/