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-rw-r--r--arch/s390/crypto/aes_s390.c2
-rw-r--r--arch/s390/defconfig87
-rw-r--r--arch/s390/include/asm/cputime.h2
-rw-r--r--arch/s390/include/asm/lowcore.h4
-rw-r--r--arch/s390/include/asm/mman.h5
-rw-r--r--arch/s390/include/asm/processor.h5
-rw-r--r--arch/s390/include/asm/setup.h2
-rw-r--r--arch/s390/include/asm/topology.h2
-rw-r--r--arch/s390/kernel/irq.c2
-rw-r--r--arch/s390/kernel/mcount.S6
-rw-r--r--arch/s390/kernel/setup.c9
-rw-r--r--arch/s390/kvm/kvm-s390.c4
-rw-r--r--arch/s390/lib/div64.c2
-rw-r--r--arch/s390/lib/uaccess_pt.c18
-rw-r--r--arch/s390/mm/mmap.c48
-rw-r--r--arch/s390/mm/pgtable.c2
16 files changed, 127 insertions, 73 deletions
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c
index c42cd898f68b..6118890c946d 100644
--- a/arch/s390/crypto/aes_s390.c
+++ b/arch/s390/crypto/aes_s390.c
@@ -556,7 +556,7 @@ static void __exit aes_s390_fini(void)
module_init(aes_s390_init);
module_exit(aes_s390_fini);
-MODULE_ALIAS("aes");
+MODULE_ALIAS("aes-all");
MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm");
MODULE_LICENSE("GPL");
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index a0e748da9909..31e809c77790 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.28-rc6
-# Thu Nov 27 11:00:49 2008
+# Linux kernel version: 2.6.29-rc4
+# Wed Feb 11 10:07:16 2009
#
CONFIG_SCHED_MC=y
CONFIG_MMU=y
@@ -14,12 +14,14 @@ CONFIG_RWSEM_XCHGADD_ALGORITHM=y
# CONFIG_ARCH_HAS_ILOG2_U64 is not set
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_TIME_VSYSCALL=y
CONFIG_GENERIC_CLOCKEVENTS=y
CONFIG_GENERIC_BUG=y
CONFIG_NO_IOMEM=y
CONFIG_NO_DMA=y
CONFIG_GENERIC_LOCKBREAK=y
CONFIG_PGSTE=y
+CONFIG_VIRT_CPU_ACCOUNTING=y
CONFIG_S390=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@@ -39,20 +41,29 @@ CONFIG_POSIX_MQUEUE=y
# CONFIG_TASKSTATS is not set
CONFIG_AUDIT=y
# CONFIG_AUDITSYSCALL is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_CLASSIC_RCU=y
+# CONFIG_TREE_RCU is not set
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_PREEMPT_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
# CONFIG_CGROUP_FREEZER is not set
# CONFIG_CGROUP_DEVICE is not set
# CONFIG_CPUSETS is not set
-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_CGROUP_CPUACCT is not set
# CONFIG_RESOURCE_COUNTERS is not set
CONFIG_SYSFS_DEPRECATED=y
@@ -63,6 +74,7 @@ CONFIG_UTS_NS=y
CONFIG_IPC_NS=y
# CONFIG_USER_NS is not set
# CONFIG_PID_NS is not set
+# CONFIG_NET_NS is not set
CONFIG_BLK_DEV_INITRD=y
CONFIG_INITRAMFS_SOURCE=""
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
@@ -91,17 +103,17 @@ CONFIG_SLAB=y
# CONFIG_SLUB is not set
# CONFIG_SLOB is not set
# CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
CONFIG_HAVE_OPROFILE=y
CONFIG_KPROBES=y
+CONFIG_HAVE_SYSCALL_WRAPPERS=y
CONFIG_KRETPROBES=y
CONFIG_HAVE_KPROBES=y
CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
+CONFIG_USE_GENERIC_SMP_HELPERS=y
# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
CONFIG_SLABINFO=y
CONFIG_RT_MUTEXES=y
-# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
CONFIG_MODULES=y
# CONFIG_MODULE_FORCE_LOAD is not set
@@ -109,7 +121,7 @@ CONFIG_MODULE_UNLOAD=y
# CONFIG_MODULE_FORCE_UNLOAD is not set
CONFIG_MODVERSIONS=y
# CONFIG_MODULE_SRCVERSION_ALL is not set
-CONFIG_KMOD=y
+CONFIG_INIT_ALL_POSSIBLE=y
CONFIG_STOP_MACHINE=y
CONFIG_BLOCK=y
# CONFIG_BLK_DEV_IO_TRACE is not set
@@ -130,7 +142,6 @@ CONFIG_DEFAULT_DEADLINE=y
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="deadline"
CONFIG_PREEMPT_NOTIFIERS=y
-CONFIG_CLASSIC_RCU=y
# CONFIG_FREEZER is not set
#
@@ -161,6 +172,7 @@ CONFIG_S390_EXEC_PROTECT=y
CONFIG_MARCH_Z900=y
# CONFIG_MARCH_Z990 is not set
# CONFIG_MARCH_Z9_109 is not set
+# CONFIG_MARCH_Z10 is not set
CONFIG_PACK_STACK=y
# CONFIG_SMALL_STACK is not set
CONFIG_CHECK_STACK=y
@@ -174,7 +186,6 @@ CONFIG_ARCH_POPULATES_NODE_MAP=y
# CONFIG_PREEMPT_NONE is not set
# CONFIG_PREEMPT_VOLUNTARY is not set
CONFIG_PREEMPT=y
-# CONFIG_PREEMPT_RCU is not set
CONFIG_ARCH_SPARSEMEM_ENABLE=y
CONFIG_ARCH_SPARSEMEM_DEFAULT=y
CONFIG_ARCH_SELECT_MEMORY_MODEL=y
@@ -195,7 +206,6 @@ CONFIG_MEMORY_HOTREMOVE=y
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_SPLIT_PTLOCK_CPUS=4
CONFIG_MIGRATION=y
-CONFIG_RESOURCES_64BIT=y
CONFIG_PHYS_ADDR_T_64BIT=y
CONFIG_ZONE_DMA_FLAG=1
CONFIG_BOUNCE=y
@@ -207,7 +217,6 @@ CONFIG_UNEVICTABLE_LRU=y
#
CONFIG_MACHCHK_WARNING=y
CONFIG_QDIO=y
-# CONFIG_QDIO_DEBUG is not set
CONFIG_CHSC_SCH=m
#
@@ -227,15 +236,13 @@ CONFIG_PFAULT=y
# CONFIG_SHARED_KERNEL is not set
# CONFIG_CMM is not set
# CONFIG_PAGE_STATES is not set
-CONFIG_VIRT_TIMER=y
-CONFIG_VIRT_CPU_ACCOUNTING=y
# CONFIG_APPLDATA_BASE is not set
CONFIG_HZ_100=y
# CONFIG_HZ_250 is not set
# CONFIG_HZ_300 is not set
# CONFIG_HZ_1000 is not set
CONFIG_HZ=100
-# CONFIG_SCHED_HRTICK is not set
+CONFIG_SCHED_HRTICK=y
CONFIG_S390_HYPFS_FS=y
CONFIG_KEXEC=y
# CONFIG_ZFCPDUMP is not set
@@ -245,6 +252,7 @@ CONFIG_NET=y
#
# Networking options
#
+CONFIG_COMPAT_NET_DEV_OPS=y
CONFIG_PACKET=y
# CONFIG_PACKET_MMAP is not set
CONFIG_UNIX=y
@@ -383,6 +391,7 @@ CONFIG_NET_SCH_TBF=m
CONFIG_NET_SCH_GRED=m
CONFIG_NET_SCH_DSMARK=m
# CONFIG_NET_SCH_NETEM is not set
+# CONFIG_NET_SCH_DRR is not set
# CONFIG_NET_SCH_INGRESS is not set
#
@@ -400,6 +409,7 @@ CONFIG_CLS_U32_MARK=y
CONFIG_NET_CLS_RSVP=m
CONFIG_NET_CLS_RSVP6=m
CONFIG_NET_CLS_FLOW=m
+# CONFIG_NET_CLS_CGROUP is not set
# CONFIG_NET_EMATCH is not set
CONFIG_NET_CLS_ACT=y
CONFIG_NET_ACT_POLICE=y
@@ -411,6 +421,7 @@ CONFIG_NET_ACT_NAT=m
# CONFIG_NET_ACT_SKBEDIT is not set
# CONFIG_NET_CLS_IND is not set
CONFIG_NET_SCH_FIFO=y
+# CONFIG_DCB is not set
#
# Network testing
@@ -428,6 +439,7 @@ CONFIG_CAN_VCAN=m
# CONFIG_CAN_DEBUG_DEVICES is not set
# CONFIG_AF_RXRPC is not set
# CONFIG_PHONET is not set
+# CONFIG_WIMAX is not set
# CONFIG_RFKILL is not set
# CONFIG_NET_9P is not set
# CONFIG_PCMCIA is not set
@@ -475,11 +487,15 @@ CONFIG_DASD_DIAG=y
CONFIG_DASD_EER=y
CONFIG_VIRTIO_BLK=m
CONFIG_MISC_DEVICES=y
-# CONFIG_EEPROM_93CX6 is not set
# CONFIG_ENCLOSURE_SERVICES is not set
# CONFIG_C2PORT is not set
#
+# EEPROM support
+#
+# CONFIG_EEPROM_93CX6 is not set
+
+#
# SCSI device support
#
# CONFIG_RAID_ATTRS is not set
@@ -520,6 +536,7 @@ CONFIG_SCSI_FC_ATTRS=y
# CONFIG_SCSI_SRP_ATTRS is not set
CONFIG_SCSI_LOWLEVEL=y
# CONFIG_ISCSI_TCP is not set
+# CONFIG_LIBFC is not set
# CONFIG_SCSI_DEBUG is not set
CONFIG_ZFCP=y
CONFIG_SCSI_DH=m
@@ -566,6 +583,10 @@ CONFIG_NET_ETHERNET=y
CONFIG_NETDEV_1000=y
CONFIG_NETDEV_10000=y
# CONFIG_TR is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
# CONFIG_WAN is not set
#
@@ -593,9 +614,11 @@ CONFIG_VIRTIO_NET=m
#
CONFIG_DEVKMEM=y
CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
CONFIG_LEGACY_PTYS=y
CONFIG_LEGACY_PTY_COUNT=256
CONFIG_HVC_DRIVER=y
+CONFIG_HVC_IUCV=y
CONFIG_VIRTIO_CONSOLE=y
CONFIG_HW_RANDOM=m
CONFIG_HW_RANDOM_VIRTIO=m
@@ -645,7 +668,6 @@ CONFIG_S390_VMUR=m
# CONFIG_NEW_LEDS is not set
CONFIG_ACCESSIBILITY=y
# CONFIG_STAGING is not set
-CONFIG_STAGING_EXCLUDE_BUILD=y
#
# File systems
@@ -668,6 +690,7 @@ CONFIG_FILE_LOCKING=y
# CONFIG_XFS_FS is not set
# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
CONFIG_DNOTIFY=y
CONFIG_INOTIFY=y
CONFIG_INOTIFY_USER=y
@@ -703,10 +726,7 @@ CONFIG_TMPFS_POSIX_ACL=y
# CONFIG_HUGETLBFS is not set
# CONFIG_HUGETLB_PAGE is not set
CONFIG_CONFIGFS_FS=m
-
-#
-# Miscellaneous filesystems
-#
+CONFIG_MISC_FILESYSTEMS=y
# CONFIG_ADFS_FS is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
@@ -715,6 +735,7 @@ CONFIG_CONFIGFS_FS=m
# CONFIG_BFS_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
# CONFIG_VXFS_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_OMFS_FS is not set
@@ -808,6 +829,7 @@ CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_DEBUG_MEMORY_INIT=y
# CONFIG_DEBUG_LIST is not set
# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
# CONFIG_FRAME_POINTER is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
@@ -818,15 +840,19 @@ CONFIG_DEBUG_MEMORY_INIT=y
# CONFIG_FAULT_INJECTION is not set
# CONFIG_LATENCYTOP is not set
CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_HAVE_FUNCTION_TRACER=y
#
# Tracers
#
+# CONFIG_FUNCTION_TRACER is not set
# CONFIG_IRQSOFF_TRACER is not set
# CONFIG_PREEMPT_TRACER is not set
# CONFIG_SCHED_TRACER is not set
# CONFIG_CONTEXT_SWITCH_TRACER is not set
# CONFIG_BOOT_TRACER is not set
+# CONFIG_TRACE_BRANCH_PROFILING is not set
+# CONFIG_STACK_TRACER is not set
# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
CONFIG_SAMPLES=y
# CONFIG_SAMPLE_KOBJECT is not set
@@ -847,11 +873,17 @@ CONFIG_CRYPTO=y
#
CONFIG_CRYPTO_FIPS=y
CONFIG_CRYPTO_ALGAPI=y
-CONFIG_CRYPTO_AEAD=y
+CONFIG_CRYPTO_ALGAPI2=y
+CONFIG_CRYPTO_AEAD=m
+CONFIG_CRYPTO_AEAD2=y
CONFIG_CRYPTO_BLKCIPHER=y
-CONFIG_CRYPTO_HASH=y
-CONFIG_CRYPTO_RNG=y
+CONFIG_CRYPTO_BLKCIPHER2=y
+CONFIG_CRYPTO_HASH=m
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG=m
+CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_MANAGER2=y
CONFIG_CRYPTO_GF128MUL=m
# CONFIG_CRYPTO_NULL is not set
# CONFIG_CRYPTO_CRYPTD is not set
@@ -885,7 +917,7 @@ CONFIG_CRYPTO_HMAC=m
#
# Digest
#
-# CONFIG_CRYPTO_CRC32C is not set
+CONFIG_CRYPTO_CRC32C=m
# CONFIG_CRYPTO_MD4 is not set
CONFIG_CRYPTO_MD5=m
# CONFIG_CRYPTO_MICHAEL_MIC is not set
@@ -942,6 +974,7 @@ CONFIG_S390_PRNG=m
# Library routines
#
CONFIG_BITREVERSE=m
+CONFIG_GENERIC_FIND_LAST_BIT=y
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
CONFIG_CRC_T10DIF=y
diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h
index 521726430afa..95b0f7db3c69 100644
--- a/arch/s390/include/asm/cputime.h
+++ b/arch/s390/include/asm/cputime.h
@@ -145,7 +145,7 @@ cputime_to_timeval(const cputime_t cputime, struct timeval *value)
value->tv_usec = rp.subreg.even / 4096;
value->tv_sec = rp.subreg.odd;
#else
- value->tv_usec = cputime % 4096000000ULL;
+ value->tv_usec = (cputime % 4096000000ULL) / 4096;
value->tv_sec = cputime / 4096000000ULL;
#endif
}
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index ffdef5fe8587..f3720defdd16 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -384,8 +384,8 @@ struct _lowcore
__u32 panic_magic; /* 0xe00 */
/* Per cpu primary space access list */
- __u8 pad_0xe04[0xe3c-0xe04]; /* 0xe04 */
- __u32 vdso_per_cpu_data; /* 0xe3c */
+ __u8 pad_0xe04[0xe38-0xe04]; /* 0xe04 */
+ __u64 vdso_per_cpu_data; /* 0xe38 */
__u32 paste[16]; /* 0xe40 */
__u8 pad13[0x11b8-0xe80]; /* 0xe80 */
diff --git a/arch/s390/include/asm/mman.h b/arch/s390/include/asm/mman.h
index 7839767d837e..da01432e8f44 100644
--- a/arch/s390/include/asm/mman.h
+++ b/arch/s390/include/asm/mman.h
@@ -22,4 +22,9 @@
#define MCL_CURRENT 1 /* lock all current mappings */
#define MCL_FUTURE 2 /* lock all future mappings */
+#if defined(__KERNEL__) && !defined(__ASSEMBLY__) && defined(CONFIG_64BIT)
+int s390_mmap_check(unsigned long addr, unsigned long len);
+#define arch_mmap_check(addr,len,flags) s390_mmap_check(addr,len)
+#endif
+
#endif /* __S390_MMAN_H__ */
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 066b99502e09..db4523fe38ac 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -61,7 +61,7 @@ extern void print_cpu_info(struct cpuinfo_S390 *);
extern int get_cpu_capability(unsigned int *);
/*
- * User space process size: 2GB for 31 bit, 4TB for 64 bit.
+ * User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit.
*/
#ifndef __s390x__
@@ -70,8 +70,7 @@ extern int get_cpu_capability(unsigned int *);
#else /* __s390x__ */
-#define TASK_SIZE_OF(tsk) (test_tsk_thread_flag(tsk,TIF_31BIT) ? \
- (1UL << 31) : (1UL << 53))
+#define TASK_SIZE_OF(tsk) ((tsk)->mm->context.asce_limit)
#define TASK_UNMAPPED_BASE (test_thread_flag(TIF_31BIT) ? \
(1UL << 30) : (1UL << 41))
#define TASK_SIZE TASK_SIZE_OF(current)
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index 2bd9faeb3919..e8bd6ac22c99 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -43,6 +43,8 @@ struct mem_chunk {
extern struct mem_chunk memory_chunk[];
extern unsigned long real_memory_size;
+extern int memory_end_set;
+extern unsigned long memory_end;
void detect_memory_layout(struct mem_chunk chunk[]);
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index c93eb50e1d09..c979c3b56ab0 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -30,6 +30,8 @@ static inline void s390_init_cpu_topology(void)
};
#endif
+#define SD_MC_INIT SD_CPU_INIT
+
#include <asm-generic/topology.h>
#endif /* _ASM_S390_TOPOLOGY_H */
diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index e7c5bfb7c755..026a37a94fc9 100644
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -95,6 +95,7 @@ asmlinkage void do_softirq(void)
local_irq_restore(flags);
}
+#ifdef CONFIG_PROC_FS
void init_irq_proc(void)
{
struct proc_dir_entry *root_irq_dir;
@@ -102,3 +103,4 @@ void init_irq_proc(void)
root_irq_dir = proc_mkdir("irq", NULL);
create_prof_cpu_mask(root_irq_dir);
}
+#endif
diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S
index 397d131a345f..80641224a095 100644
--- a/arch/s390/kernel/mcount.S
+++ b/arch/s390/kernel/mcount.S
@@ -5,6 +5,8 @@
*
*/
+#include <asm/asm-offsets.h>
+
#ifndef CONFIG_64BIT
.globl _mcount
_mcount:
@@ -14,7 +16,7 @@ _mcount:
ahi %r15,-96
l %r3,100(%r15)
la %r2,0(%r14)
- st %r1,0(%r15)
+ st %r1,__SF_BACKCHAIN(%r15)
la %r3,0(%r3)
bras %r14,0f
.long ftrace_trace_function
@@ -38,7 +40,7 @@ _mcount:
stg %r14,112(%r15)
lgr %r1,%r15
aghi %r15,-160
- stg %r1,0(%r15)
+ stg %r1,__SF_BACKCHAIN(%r15)
lgr %r2,%r14
lg %r3,168(%r15)
larl %r14,ftrace_trace_function
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index d825f4950e4e..c5cfb6185eac 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -82,7 +82,9 @@ 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 */
-static unsigned long __initdata memory_end;
+
+int __initdata memory_end_set;
+unsigned long __initdata memory_end;
/*
* This is set up by the setup-routine at boot-time
@@ -281,6 +283,7 @@ void (*pm_power_off)(void) = machine_power_off;
static int __init early_parse_mem(char *p)
{
memory_end = memparse(p, &p);
+ memory_end_set = 1;
return 0;
}
early_param("mem", early_parse_mem);
@@ -508,8 +511,10 @@ static void __init setup_memory_end(void)
int i;
#if defined(CONFIG_ZFCPDUMP) || defined(CONFIG_ZFCPDUMP_MODULE)
- if (ipl_info.type == IPL_TYPE_FCP_DUMP)
+ if (ipl_info.type == IPL_TYPE_FCP_DUMP) {
memory_end = ZFCPDUMP_HSA_SIZE;
+ memory_end_set = 1;
+ }
#endif
memory_size = 0;
memory_end &= PAGE_MASK;
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index be8497186b96..0d33893e1e89 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -212,6 +212,10 @@ static void kvm_free_vcpus(struct kvm *kvm)
}
}
+void kvm_arch_sync_events(struct kvm *kvm)
+{
+}
+
void kvm_arch_destroy_vm(struct kvm *kvm)
{
kvm_free_vcpus(kvm);
diff --git a/arch/s390/lib/div64.c b/arch/s390/lib/div64.c
index a5f8300bf3ee..d9e62c0b576a 100644
--- a/arch/s390/lib/div64.c
+++ b/arch/s390/lib/div64.c
@@ -61,7 +61,7 @@ static uint32_t __div64_31(uint64_t *n, uint32_t base)
" clr %0,%3\n"
" jl 0f\n"
" slr %0,%3\n"
- " alr %1,%2\n"
+ " ahi %1,1\n"
"0:\n"
: "+d" (reg2), "+d" (reg3), "=d" (tmp)
: "d" (base), "2" (1UL) : "cc" );
diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c
index d66215b0fde9..b0b84c35b0ad 100644
--- a/arch/s390/lib/uaccess_pt.c
+++ b/arch/s390/lib/uaccess_pt.c
@@ -119,8 +119,6 @@ retry:
goto fault;
pfn = pte_pfn(*pte);
- if (!pfn_valid(pfn))
- goto out;
offset = uaddr & (PAGE_SIZE - 1);
size = min(n - done, PAGE_SIZE - offset);
@@ -135,7 +133,6 @@ retry:
done += size;
uaddr += size;
} while (done < n);
-out:
spin_unlock(&mm->page_table_lock);
return n - done;
fault:
@@ -163,9 +160,6 @@ retry:
goto fault;
pfn = pte_pfn(*pte);
- if (!pfn_valid(pfn))
- goto out;
-
ret = (pfn << PAGE_SHIFT) + (uaddr & (PAGE_SIZE - 1));
out:
return ret;
@@ -244,11 +238,6 @@ retry:
goto fault;
pfn = pte_pfn(*pte);
- if (!pfn_valid(pfn)) {
- done = -1;
- goto out;
- }
-
offset = uaddr & (PAGE_SIZE-1);
addr = (char *)(pfn << PAGE_SHIFT) + offset;
len = min(count - done, PAGE_SIZE - offset);
@@ -256,7 +245,6 @@ retry:
done += len_str;
uaddr += len_str;
} while ((len_str == len) && (done < count));
-out:
spin_unlock(&mm->page_table_lock);
return done + 1;
fault:
@@ -325,12 +313,7 @@ retry:
}
pfn_from = pte_pfn(*pte_from);
- if (!pfn_valid(pfn_from))
- goto out;
pfn_to = pte_pfn(*pte_to);
- if (!pfn_valid(pfn_to))
- goto out;
-
offset_from = uaddr_from & (PAGE_SIZE-1);
offset_to = uaddr_from & (PAGE_SIZE-1);
offset_max = max(offset_from, offset_to);
@@ -342,7 +325,6 @@ retry:
uaddr_from += size;
uaddr_to += size;
} while (done < n);
-out:
spin_unlock(&mm->page_table_lock);
return n - done;
fault:
diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c
index 5932a824547a..e008d236cc15 100644
--- a/arch/s390/mm/mmap.c
+++ b/arch/s390/mm/mmap.c
@@ -35,7 +35,7 @@
* Leave an at least ~128 MB hole.
*/
#define MIN_GAP (128*1024*1024)
-#define MAX_GAP (TASK_SIZE/6*5)
+#define MAX_GAP (STACK_TOP/6*5)
static inline unsigned long mmap_base(void)
{
@@ -46,7 +46,7 @@ static inline unsigned long mmap_base(void)
else if (gap > MAX_GAP)
gap = MAX_GAP;
- return TASK_SIZE - (gap & PAGE_MASK);
+ return STACK_TOP - (gap & PAGE_MASK);
}
static inline int mmap_is_legacy(void)
@@ -89,42 +89,58 @@ EXPORT_SYMBOL_GPL(arch_pick_mmap_layout);
#else
+int s390_mmap_check(unsigned long addr, unsigned long len)
+{
+ if (!test_thread_flag(TIF_31BIT) &&
+ len >= TASK_SIZE && TASK_SIZE < (1UL << 53))
+ return crst_table_upgrade(current->mm, 1UL << 53);
+ return 0;
+}
+
static unsigned long
s390_get_unmapped_area(struct file *filp, unsigned long addr,
unsigned long len, unsigned long pgoff, unsigned long flags)
{
struct mm_struct *mm = current->mm;
+ unsigned long area;
int rc;
- addr = arch_get_unmapped_area(filp, addr, len, pgoff, flags);
- if (addr & ~PAGE_MASK)
- return addr;
- if (unlikely(mm->context.asce_limit < addr + len)) {
- rc = crst_table_upgrade(mm, addr + len);
+ area = arch_get_unmapped_area(filp, addr, len, pgoff, flags);
+ if (!(area & ~PAGE_MASK))
+ return area;
+ if (area == -ENOMEM &&
+ !test_thread_flag(TIF_31BIT) && TASK_SIZE < (1UL << 53)) {
+ /* Upgrade the page table to 4 levels and retry. */
+ rc = crst_table_upgrade(mm, 1UL << 53);
if (rc)
return (unsigned long) rc;
+ area = arch_get_unmapped_area(filp, addr, len, pgoff, flags);
}
- return addr;
+ return area;
}
static unsigned long
-s390_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
+s390_get_unmapped_area_topdown(struct file *filp, const unsigned long addr,
const unsigned long len, const unsigned long pgoff,
const unsigned long flags)
{
struct mm_struct *mm = current->mm;
- unsigned long addr = addr0;
+ unsigned long area;
int rc;
- addr = arch_get_unmapped_area_topdown(filp, addr, len, pgoff, flags);
- if (addr & ~PAGE_MASK)
- return addr;
- if (unlikely(mm->context.asce_limit < addr + len)) {
- rc = crst_table_upgrade(mm, addr + len);
+ area = arch_get_unmapped_area_topdown(filp, addr, len, pgoff, flags);
+ if (!(area & ~PAGE_MASK))
+ return area;
+ if (area == -ENOMEM &&
+ !test_thread_flag(TIF_31BIT) && TASK_SIZE < (1UL << 53)) {
+ /* Upgrade the page table to 4 levels and retry. */
+ rc = crst_table_upgrade(mm, 1UL << 53);
if (rc)
return (unsigned long) rc;
+ area = arch_get_unmapped_area_topdown(filp, addr, len,
+ pgoff, flags);
}
- return addr;
+ return area;
}
/*
* This function, called very early during the creation of a new
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index 0767827540b1..6b6ddc4ea02b 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -117,6 +117,7 @@ repeat:
crst_table_init(table, entry);
pgd_populate(mm, (pgd_t *) table, (pud_t *) pgd);
mm->pgd = (pgd_t *) table;
+ mm->task_size = mm->context.asce_limit;
table = NULL;
}
spin_unlock(&mm->page_table_lock);
@@ -154,6 +155,7 @@ void crst_table_downgrade(struct mm_struct *mm, unsigned long limit)
BUG();
}
mm->pgd = (pgd_t *) (pgd_val(*pgd) & _REGION_ENTRY_ORIGIN);
+ mm->task_size = mm->context.asce_limit;
crst_table_free(mm, (unsigned long *) pgd);
}
update_mm(mm, current);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 06:00:42 +0000