diff options
Diffstat (limited to 'arch/s390')
32 files changed, 114 insertions, 48 deletions
diff --git a/arch/s390/appldata/appldata_mem.c b/arch/s390/appldata/appldata_mem.c index 4188cbe63a54..e43fe7537031 100644 --- a/arch/s390/appldata/appldata_mem.c +++ b/arch/s390/appldata/appldata_mem.c @@ -11,7 +11,6 @@ #include <linux/module.h> #include <linux/init.h> -#include <linux/slab.h> #include <linux/errno.h> #include <linux/kernel_stat.h> #include <linux/pagemap.h> diff --git a/arch/s390/appldata/appldata_net_sum.c b/arch/s390/appldata/appldata_net_sum.c index 4ce7fa95880f..9a9586f4103f 100644 --- a/arch/s390/appldata/appldata_net_sum.c +++ b/arch/s390/appldata/appldata_net_sum.c @@ -12,7 +12,6 @@ #include <linux/module.h> #include <linux/init.h> -#include <linux/slab.h> #include <linux/errno.h> #include <linux/kernel_stat.h> #include <linux/netdevice.h> diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c index a97d69525829..14e0479d3888 100644 --- a/arch/s390/boot/compressed/misc.c +++ b/arch/s390/boot/compressed/misc.c @@ -24,8 +24,8 @@ /* Symbols defined by linker scripts */ extern char input_data[]; extern int input_len; -extern int _text; -extern int _end; +extern char _text, _end; +extern char _bss, _ebss; static void error(char *m); @@ -129,12 +129,12 @@ unsigned long decompress_kernel(void) unsigned long output_addr; unsigned char *output; + check_ipl_parmblock((void *) 0, (unsigned long) output + SZ__bss_start); + memset(&_bss, 0, &_ebss - &_bss); free_mem_ptr = (unsigned long)&_end; free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; output = (unsigned char *) ((free_mem_end_ptr + 4095UL) & -4096UL); - check_ipl_parmblock((void *) 0, (unsigned long) output + SZ__bss_start); - #ifdef CONFIG_BLK_DEV_INITRD /* * Move the initrd right behind the end of the decompressed diff --git a/arch/s390/crypto/prng.c b/arch/s390/crypto/prng.c index a3209906739e..aa819dac2360 100644 --- a/arch/s390/crypto/prng.c +++ b/arch/s390/crypto/prng.c @@ -10,6 +10,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/random.h> +#include <linux/slab.h> #include <asm/debug.h> #include <asm/uaccess.h> diff --git a/arch/s390/defconfig b/arch/s390/defconfig index 7ae71cc56973..bcd6884985ad 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/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c index 87cf523192e9..5b1acdba6495 100644 --- a/arch/s390/hypfs/hypfs_diag.c +++ b/arch/s390/hypfs/hypfs_diag.c @@ -12,7 +12,6 @@ #include <linux/types.h> #include <linux/errno.h> -#include <linux/gfp.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/vmalloc.h> diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index cd128b07beda..c53f8ac825ca 100644 --- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -14,8 +14,8 @@ #include <linux/fs.h> #include <linux/namei.h> #include <linux/vfs.h> +#include <linux/slab.h> #include <linux/pagemap.h> -#include <linux/gfp.h> #include <linux/time.h> #include <linux/parser.h> #include <linux/sysfs.h> diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 9b5b9189c15e..89a504c3f12e 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/include/asm/system.h b/arch/s390/include/asm/system.h index 67ee6c3c6bb3..1741c1556a4e 100644 --- a/arch/s390/include/asm/system.h +++ b/arch/s390/include/asm/system.h @@ -110,6 +110,7 @@ extern void pfault_fini(void); #endif /* CONFIG_PFAULT */ extern void cmma_init(void); +extern int memcpy_real(void *, void *, size_t); #define finish_arch_switch(prev) do { \ set_fs(current->thread.mm_segment); \ @@ -218,8 +219,8 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) " l %0,%2\n" "0: nr %0,%5\n" " lr %1,%0\n" - " or %0,%2\n" - " or %1,%3\n" + " or %0,%3\n" + " or %1,%4\n" " cs %0,%1,%2\n" " jnl 1f\n" " xr %1,%0\n" @@ -239,8 +240,8 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) " l %0,%2\n" "0: nr %0,%5\n" " lr %1,%0\n" - " or %0,%2\n" - " or %1,%3\n" + " or %0,%3\n" + " or %1,%4\n" " cs %0,%1,%2\n" " jnl 1f\n" " xr %1,%0\n" diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index 11c3aba664ea..73b624ed9cd8 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -29,7 +29,6 @@ #include <linux/sem.h> #include <linux/msg.h> #include <linux/shm.h> -#include <linux/slab.h> #include <linux/uio.h> #include <linux/quota.h> #include <linux/module.h> @@ -52,6 +51,7 @@ #include <linux/ptrace.h> #include <linux/fadvise.h> #include <linux/ipc.h> +#include <linux/slab.h> #include <asm/types.h> #include <asm/uaccess.h> diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 31d618a443af..2d92c2cf92d7 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 4348f9bc5393..6af7045280a8 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 29fd0f1e6ec4..52106d53271c 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/head.S b/arch/s390/kernel/head.S index ca4a62bd862f..9d1f76702d47 100644 --- a/arch/s390/kernel/head.S +++ b/arch/s390/kernel/head.S @@ -517,7 +517,10 @@ startup: lhi %r1,2 # mode 2 = esame (dump) sigp %r1,%r0,0x12 # switch to esame mode sam64 # switch to 64 bit mode + larl %r13,4f + lmh %r0,%r15,0(%r13) # clear high-order half jg startup_continue +4: .fill 16,4,0x0 #else mvi __LC_AR_MODE_ID,0 # set ESA flag (mode 0) l %r13,4f-.LPG0(%r13) diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S index 39580e768658..1f70970de0aa 100644 --- a/arch/s390/kernel/head64.S +++ b/arch/s390/kernel/head64.S @@ -21,7 +21,6 @@ startup_continue: larl %r1,sched_clock_base_cc mvc 0(8,%r1),__LC_LAST_UPDATE_CLOCK larl %r13,.LPG1 # get base - lmh %r0,%r15,.Lzero64-.LPG1(%r13) # clear high-order half lctlg %c0,%c15,.Lctl-.LPG1(%r13) # load control registers lg %r12,.Lparmaddr-.LPG1(%r13) # pointer to parameter area # move IPL device to lowcore @@ -67,7 +66,6 @@ startup_continue: .L4malign:.quad 0xffffffffffc00000 .Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8 .Lnop: .long 0x07000700 -.Lzero64:.fill 16,4,0x0 .Lparmaddr: .quad PARMAREA .align 64 diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 7eedbbcb54aa..72c8b0d070c8 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -15,6 +15,7 @@ #include <linux/reboot.h> #include <linux/ctype.h> #include <linux/fs.h> +#include <linux/gfp.h> #include <asm/ipl.h> #include <asm/smp.h> #include <asm/setup.h> diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index 86783efa24ee..3d34eef5a2c3 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -29,6 +29,7 @@ #include <asm/cacheflush.h> #include <asm/sections.h> #include <linux/module.h> +#include <linux/slab.h> DEFINE_PER_CPU(struct kprobe *, current_kprobe) = NULL; DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 00b6d1d292f2..1039fdea15b5 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -16,9 +16,9 @@ #include <linux/fs.h> #include <linux/smp.h> #include <linux/stddef.h> +#include <linux/slab.h> #include <linux/unistd.h> #include <linux/ptrace.h> -#include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/user.h> #include <linux/interrupt.h> diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 77a63ae419f0..91625f759ccd 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -25,7 +25,6 @@ #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> -#include <linux/slab.h> #include <linux/user.h> #include <linux/tty.h> #include <linux/ioport.h> @@ -401,7 +400,7 @@ setup_lowcore(void) * Setup lowcore for boot cpu */ BUILD_BUG_ON(sizeof(struct _lowcore) != LC_PAGES * 4096); - lc = __alloc_bootmem(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0); + lc = __alloc_bootmem_low(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0); lc->restart_psw.mask = PSW_BASE_BITS | PSW_DEFAULT_KEY; lc->restart_psw.addr = PSW_ADDR_AMODE | (unsigned long) restart_int_handler; @@ -433,7 +432,7 @@ setup_lowcore(void) #ifndef CONFIG_64BIT if (MACHINE_HAS_IEEE) { lc->extended_save_area_addr = (__u32) - __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0); + __alloc_bootmem_low(PAGE_SIZE, PAGE_SIZE, 0); /* enable extended save area */ __ctl_set_bit(14, 29); } diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 29f65bce55e1..e4d98de83dd8 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -36,6 +36,7 @@ #include <linux/cpu.h> #include <linux/timex.h> #include <linux/bootmem.h> +#include <linux/slab.h> #include <asm/asm-offsets.h> #include <asm/ipl.h> #include <asm/setup.h> @@ -292,9 +293,9 @@ static void __init smp_get_save_area(unsigned int cpu, unsigned int phy_cpu) zfcpdump_save_areas[cpu] = kmalloc(sizeof(struct save_area), GFP_KERNEL); while (raw_sigp(phy_cpu, sigp_stop_and_store_status) == sigp_busy) cpu_relax(); - memcpy(zfcpdump_save_areas[cpu], - (void *)(unsigned long) store_prefix() + SAVE_AREA_BASE, - sizeof(struct save_area)); + memcpy_real(zfcpdump_save_areas[cpu], + (void *)(unsigned long) store_prefix() + SAVE_AREA_BASE, + sizeof(struct save_area)); } struct save_area *zfcpdump_save_areas[NR_CPUS + 1]; diff --git a/arch/s390/kernel/sysinfo.c b/arch/s390/kernel/sysinfo.c index b5e75e1061c8..a0ffc7717ed6 100644 --- a/arch/s390/kernel/sysinfo.c +++ b/arch/s390/kernel/sysinfo.c @@ -11,6 +11,7 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/module.h> +#include <linux/slab.h> #include <asm/ebcdic.h> #include <asm/sysinfo.h> #include <asm/cpcmd.h> diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index aa2483e460f3..fba6dec156bf 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -36,6 +36,7 @@ #include <linux/notifier.h> #include <linux/clocksource.h> #include <linux/clockchips.h> +#include <linux/gfp.h> #include <asm/uaccess.h> #include <asm/delay.h> #include <asm/s390_ext.h> diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 14ef6f05e432..247b4c2d1e51 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/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index 834774d8d5f3..35c21bf910c5 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -14,6 +14,7 @@ #include <linux/kvm_host.h> #include <linux/hrtimer.h> #include <linux/signal.h> +#include <linux/slab.h> #include <asm/asm-offsets.h> #include <asm/uaccess.h> #include "kvm-s390.h" diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index 28c55677eb39..44205507717c 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -12,6 +12,7 @@ */ #include <linux/kvm.h> +#include <linux/gfp.h> #include <linux/errno.h> #include <asm/current.h> #include <asm/debug.h> diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c index 241a48459b66..eff3c5989b46 100644 --- a/arch/s390/kvm/sigp.c +++ b/arch/s390/kvm/sigp.c @@ -14,6 +14,7 @@ #include <linux/kvm.h> #include <linux/kvm_host.h> +#include <linux/slab.h> #include "gaccess.h" #include "kvm-s390.h" diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c index f16bd04e39e9..f87b34731e1d 100644 --- a/arch/s390/mm/cmm.c +++ b/arch/s390/mm/cmm.c @@ -12,6 +12,7 @@ #include <linux/fs.h> #include <linux/init.h> #include <linux/module.h> +#include <linux/gfp.h> #include <linux/sched.h> #include <linux/sysctl.h> #include <linux/ctype.h> diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index d5865e4024ce..acc91c75bc94 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -26,6 +26,7 @@ #include <linux/pfn.h> #include <linux/poison.h> #include <linux/initrd.h> +#include <linux/gfp.h> #include <asm/processor.h> #include <asm/system.h> #include <asm/uaccess.h> diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c index 81756271dc44..a8c2af8c650f 100644 --- a/arch/s390/mm/maccess.c +++ b/arch/s390/mm/maccess.c @@ -59,3 +59,29 @@ long probe_kernel_write(void *dst, void *src, size_t size) } return copied < 0 ? -EFAULT : 0; } + +int memcpy_real(void *dest, void *src, size_t count) +{ + register unsigned long _dest asm("2") = (unsigned long) dest; + register unsigned long _len1 asm("3") = (unsigned long) count; + register unsigned long _src asm("4") = (unsigned long) src; + register unsigned long _len2 asm("5") = (unsigned long) count; + unsigned long flags; + int rc = -EFAULT; + + if (!count) + return 0; + flags = __raw_local_irq_stnsm(0xf8UL); + asm volatile ( + "0: mvcle %1,%2,0x0\n" + "1: jo 0b\n" + " lhi %0,0x0\n" + "2:\n" + EX_TABLE(1b,2b) + : "+d" (rc), "+d" (_dest), "+d" (_src), "+d" (_len1), + "+d" (_len2), "=m" (*((long *) dest)) + : "m" (*((long *) src)) + : "cc", "memory"); + __raw_local_irq_ssm(flags); + return rc; +} diff --git a/arch/s390/mm/page-states.c b/arch/s390/mm/page-states.c index 098923ae458f..a90d45e9dfb0 100644 --- a/arch/s390/mm/page-states.c +++ b/arch/s390/mm/page-states.c @@ -10,6 +10,7 @@ #include <linux/errno.h> #include <linux/types.h> #include <linux/mm.h> +#include <linux/gfp.h> #include <linux/init.h> #define ESSA_SET_STABLE 1 diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index ad621e06ada3..8d999249d357 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -6,11 +6,11 @@ #include <linux/sched.h> #include <linux/kernel.h> #include <linux/errno.h> +#include <linux/gfp.h> #include <linux/mm.h> #include <linux/swap.h> #include <linux/smp.h> #include <linux/highmem.h> -#include <linux/slab.h> #include <linux/pagemap.h> #include <linux/spinlock.h> #include <linux/module.h> diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 300ab012b0fd..90165e7ca04e 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/list.h> #include <linux/hugetlb.h> +#include <linux/slab.h> #include <asm/pgalloc.h> #include <asm/pgtable.h> #include <asm/setup.h> @@ -70,12 +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; } @@ -116,8 +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; |