forked from luck/tmp_suning_uos_patched
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] Update default configuration. [S390] Fix alignment of initial kernel stack. [S390] pgtable.h: Fix oops in unmap_vmas for KVM processes [S390] fix/cleanup sched_clock [S390] fix system call parameter functions.
This commit is contained in:
commit
f1ba3bc7b9
|
@ -1,7 +1,7 @@
|
|||
#
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||||
# Automatically generated make config: don't edit
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||||
# Linux kernel version: 2.6.27-rc4
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# Thu Aug 21 19:43:29 2008
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# Linux kernel version: 2.6.28-rc6
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# Thu Nov 27 11:00:49 2008
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#
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CONFIG_SCHED_MC=y
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CONFIG_MMU=y
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|
@ -45,6 +45,7 @@ CONFIG_LOG_BUF_SHIFT=17
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|||
CONFIG_CGROUPS=y
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||||
# CONFIG_CGROUP_DEBUG is not set
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||||
CONFIG_CGROUP_NS=y
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||||
# CONFIG_CGROUP_FREEZER is not set
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||||
# CONFIG_CGROUP_DEVICE is not set
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||||
# CONFIG_CPUSETS is not set
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||||
CONFIG_GROUP_SCHED=y
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||||
|
@ -84,6 +85,7 @@ CONFIG_SIGNALFD=y
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|||
CONFIG_TIMERFD=y
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CONFIG_EVENTFD=y
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CONFIG_SHMEM=y
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||||
CONFIG_AIO=y
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||||
CONFIG_VM_EVENT_COUNTERS=y
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||||
CONFIG_SLAB=y
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||||
# CONFIG_SLUB is not set
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||||
|
@ -92,16 +94,10 @@ CONFIG_SLAB=y
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|||
# CONFIG_MARKERS is not set
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||||
CONFIG_HAVE_OPROFILE=y
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||||
CONFIG_KPROBES=y
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||||
# CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is not set
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||||
CONFIG_KRETPROBES=y
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||||
# CONFIG_HAVE_IOREMAP_PROT is not set
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||||
CONFIG_HAVE_KPROBES=y
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||||
CONFIG_HAVE_KRETPROBES=y
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||||
# CONFIG_HAVE_ARCH_TRACEHOOK is not set
|
||||
# CONFIG_HAVE_DMA_ATTRS is not set
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||||
# CONFIG_USE_GENERIC_SMP_HELPERS is not set
|
||||
# CONFIG_HAVE_CLK is not set
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||||
CONFIG_PROC_PAGE_MONITOR=y
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||||
CONFIG_HAVE_ARCH_TRACEHOOK=y
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||||
# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
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||||
CONFIG_SLABINFO=y
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||||
CONFIG_RT_MUTEXES=y
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||||
|
@ -135,6 +131,7 @@ CONFIG_DEFAULT_DEADLINE=y
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|||
CONFIG_DEFAULT_IOSCHED="deadline"
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CONFIG_PREEMPT_NOTIFIERS=y
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CONFIG_CLASSIC_RCU=y
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# CONFIG_FREEZER is not set
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#
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||||
# Base setup
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|
@ -189,7 +186,6 @@ CONFIG_SELECT_MEMORY_MODEL=y
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CONFIG_SPARSEMEM_MANUAL=y
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CONFIG_SPARSEMEM=y
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||||
CONFIG_HAVE_MEMORY_PRESENT=y
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# CONFIG_SPARSEMEM_STATIC is not set
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CONFIG_SPARSEMEM_EXTREME=y
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CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y
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CONFIG_SPARSEMEM_VMEMMAP=y
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|
@ -200,9 +196,11 @@ CONFIG_PAGEFLAGS_EXTENDED=y
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CONFIG_SPLIT_PTLOCK_CPUS=4
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CONFIG_MIGRATION=y
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CONFIG_RESOURCES_64BIT=y
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CONFIG_PHYS_ADDR_T_64BIT=y
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CONFIG_ZONE_DMA_FLAG=1
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CONFIG_BOUNCE=y
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CONFIG_VIRT_TO_BUS=y
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CONFIG_UNEVICTABLE_LRU=y
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#
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# I/O subsystem configuration
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|
@ -220,6 +218,8 @@ CONFIG_IPL=y
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CONFIG_IPL_VM=y
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CONFIG_BINFMT_ELF=y
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CONFIG_COMPAT_BINFMT_ELF=y
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||||
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
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# CONFIG_HAVE_AOUT is not set
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CONFIG_BINFMT_MISC=m
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CONFIG_FORCE_MAX_ZONEORDER=9
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# CONFIG_PROCESS_DEBUG is not set
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|
@ -255,7 +255,7 @@ CONFIG_XFRM=y
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|||
# CONFIG_XFRM_STATISTICS is not set
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CONFIG_NET_KEY=y
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||||
# CONFIG_NET_KEY_MIGRATE is not set
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||||
CONFIG_IUCV=m
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||||
CONFIG_IUCV=y
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CONFIG_AFIUCV=m
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CONFIG_INET=y
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CONFIG_IP_MULTICAST=y
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||||
|
@ -282,7 +282,6 @@ CONFIG_INET_TCP_DIAG=y
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|||
CONFIG_TCP_CONG_CUBIC=y
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||||
CONFIG_DEFAULT_TCP_CONG="cubic"
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||||
# CONFIG_TCP_MD5SIG is not set
|
||||
# CONFIG_IP_VS is not set
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||||
CONFIG_IPV6=y
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||||
# CONFIG_IPV6_PRIVACY is not set
|
||||
# CONFIG_IPV6_ROUTER_PREF is not set
|
||||
|
@ -331,10 +330,12 @@ CONFIG_NF_CONNTRACK=m
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|||
# CONFIG_NF_CONNTRACK_TFTP is not set
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||||
# CONFIG_NF_CT_NETLINK is not set
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||||
# CONFIG_NETFILTER_XTABLES is not set
|
||||
# CONFIG_IP_VS is not set
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||||
|
||||
#
|
||||
# IP: Netfilter Configuration
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||||
#
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||||
# CONFIG_NF_DEFRAG_IPV4 is not set
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||||
# CONFIG_NF_CONNTRACK_IPV4 is not set
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||||
# CONFIG_IP_NF_QUEUE is not set
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||||
# CONFIG_IP_NF_IPTABLES is not set
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||||
|
@ -374,6 +375,7 @@ CONFIG_NET_SCH_CBQ=m
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|||
# CONFIG_NET_SCH_HTB is not set
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# CONFIG_NET_SCH_HFSC is not set
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||||
CONFIG_NET_SCH_PRIO=m
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||||
CONFIG_NET_SCH_MULTIQ=y
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||||
CONFIG_NET_SCH_RED=m
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CONFIG_NET_SCH_SFQ=m
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CONFIG_NET_SCH_TEQL=m
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||||
|
@ -406,6 +408,7 @@ CONFIG_NET_ACT_POLICE=y
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|||
CONFIG_NET_ACT_NAT=m
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||||
# CONFIG_NET_ACT_PEDIT is not set
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||||
# CONFIG_NET_ACT_SIMP is not set
|
||||
# CONFIG_NET_ACT_SKBEDIT is not set
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||||
# CONFIG_NET_CLS_IND is not set
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||||
CONFIG_NET_SCH_FIFO=y
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||||
|
||||
|
@ -424,6 +427,7 @@ CONFIG_CAN_BCM=m
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|||
CONFIG_CAN_VCAN=m
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# CONFIG_CAN_DEBUG_DEVICES is not set
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||||
# CONFIG_AF_RXRPC is not set
|
||||
# CONFIG_PHONET is not set
|
||||
# CONFIG_RFKILL is not set
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||||
# CONFIG_NET_9P is not set
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||||
# CONFIG_PCMCIA is not set
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||||
|
@ -473,7 +477,7 @@ CONFIG_VIRTIO_BLK=m
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|||
CONFIG_MISC_DEVICES=y
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# CONFIG_EEPROM_93CX6 is not set
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||||
# CONFIG_ENCLOSURE_SERVICES is not set
|
||||
# CONFIG_HAVE_IDE is not set
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||||
# CONFIG_C2PORT is not set
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|
||||
#
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||||
# SCSI device support
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||||
|
@ -525,6 +529,7 @@ CONFIG_SCSI_DH_EMC=m
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CONFIG_SCSI_DH_ALUA=m
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||||
CONFIG_MD=y
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||||
CONFIG_BLK_DEV_MD=y
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||||
CONFIG_MD_AUTODETECT=y
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||||
CONFIG_MD_LINEAR=m
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||||
CONFIG_MD_RAID0=m
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||||
CONFIG_MD_RAID1=m
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||||
|
@ -555,6 +560,9 @@ CONFIG_NET_ETHERNET=y
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|||
# CONFIG_IBM_NEW_EMAC_RGMII is not set
|
||||
# CONFIG_IBM_NEW_EMAC_TAH is not set
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||||
# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
|
||||
# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
|
||||
# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
|
||||
# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
|
||||
CONFIG_NETDEV_1000=y
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||||
CONFIG_NETDEV_10000=y
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||||
# CONFIG_TR is not set
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||||
|
@ -632,13 +640,12 @@ CONFIG_S390_VMUR=m
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|||
# CONFIG_THERMAL is not set
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||||
# CONFIG_THERMAL_HWMON is not set
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||||
# CONFIG_WATCHDOG is not set
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||||
|
||||
#
|
||||
# Sonics Silicon Backplane
|
||||
#
|
||||
# CONFIG_REGULATOR is not set
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||||
# CONFIG_MEMSTICK is not set
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||||
# CONFIG_NEW_LEDS is not set
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||||
CONFIG_ACCESSIBILITY=y
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||||
# CONFIG_STAGING is not set
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||||
CONFIG_STAGING_EXCLUDE_BUILD=y
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||||
|
||||
#
|
||||
# File systems
|
||||
|
@ -650,13 +657,14 @@ CONFIG_EXT3_FS=y
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|||
CONFIG_EXT3_FS_XATTR=y
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||||
# CONFIG_EXT3_FS_POSIX_ACL is not set
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||||
# CONFIG_EXT3_FS_SECURITY is not set
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||||
# CONFIG_EXT4DEV_FS is not set
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||||
# CONFIG_EXT4_FS is not set
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||||
CONFIG_JBD=y
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||||
# CONFIG_JBD_DEBUG is not set
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||||
CONFIG_FS_MBCACHE=y
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||||
# CONFIG_REISERFS_FS is not set
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||||
# CONFIG_JFS_FS is not set
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||||
CONFIG_FS_POSIX_ACL=y
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||||
CONFIG_FILE_LOCKING=y
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# CONFIG_XFS_FS is not set
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||||
# CONFIG_GFS2_FS is not set
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||||
# CONFIG_OCFS2_FS is not set
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||||
|
@ -688,6 +696,7 @@ CONFIG_GENERIC_ACL=y
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|||
CONFIG_PROC_FS=y
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||||
CONFIG_PROC_KCORE=y
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||||
CONFIG_PROC_SYSCTL=y
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||||
CONFIG_PROC_PAGE_MONITOR=y
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||||
CONFIG_SYSFS=y
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||||
CONFIG_TMPFS=y
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||||
CONFIG_TMPFS_POSIX_ACL=y
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||||
|
@ -728,6 +737,7 @@ CONFIG_LOCKD_V4=y
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|||
CONFIG_EXPORTFS=y
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||||
CONFIG_NFS_COMMON=y
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||||
CONFIG_SUNRPC=y
|
||||
# CONFIG_SUNRPC_REGISTER_V4 is not set
|
||||
# CONFIG_RPCSEC_GSS_KRB5 is not set
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||||
# CONFIG_RPCSEC_GSS_SPKM3 is not set
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||||
# CONFIG_SMB_FS is not set
|
||||
|
@ -800,12 +810,24 @@ CONFIG_DEBUG_MEMORY_INIT=y
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|||
# CONFIG_DEBUG_SG is not set
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||||
# CONFIG_FRAME_POINTER is not set
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||||
# CONFIG_RCU_TORTURE_TEST is not set
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||||
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
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||||
# CONFIG_KPROBES_SANITY_TEST is not set
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||||
# CONFIG_BACKTRACE_SELF_TEST is not set
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||||
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
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||||
# CONFIG_LKDTM is not set
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||||
# CONFIG_FAULT_INJECTION is not set
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# CONFIG_LATENCYTOP is not set
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CONFIG_SYSCTL_SYSCALL_CHECK=y
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||||
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#
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# Tracers
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||||
#
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||||
# CONFIG_IRQSOFF_TRACER is not set
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# CONFIG_PREEMPT_TRACER is not set
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# CONFIG_SCHED_TRACER is not set
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||||
# CONFIG_CONTEXT_SWITCH_TRACER is not set
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# CONFIG_BOOT_TRACER is not set
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# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
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CONFIG_SAMPLES=y
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# CONFIG_SAMPLE_KOBJECT is not set
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# CONFIG_SAMPLE_KPROBES is not set
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|
@ -816,16 +838,19 @@ CONFIG_SAMPLES=y
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|||
#
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||||
# CONFIG_KEYS is not set
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# CONFIG_SECURITY is not set
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||||
# CONFIG_SECURITYFS is not set
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# CONFIG_SECURITY_FILE_CAPABILITIES is not set
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CONFIG_CRYPTO=y
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#
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# Crypto core or helper
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#
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||||
CONFIG_CRYPTO_FIPS=y
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CONFIG_CRYPTO_ALGAPI=y
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CONFIG_CRYPTO_AEAD=m
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CONFIG_CRYPTO_AEAD=y
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CONFIG_CRYPTO_BLKCIPHER=y
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CONFIG_CRYPTO_HASH=m
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CONFIG_CRYPTO_HASH=y
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CONFIG_CRYPTO_RNG=y
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CONFIG_CRYPTO_MANAGER=y
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CONFIG_CRYPTO_GF128MUL=m
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# CONFIG_CRYPTO_NULL is not set
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|
@ -877,7 +902,7 @@ CONFIG_CRYPTO_SHA1=m
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#
|
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# Ciphers
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#
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# CONFIG_CRYPTO_AES is not set
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CONFIG_CRYPTO_AES=m
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# CONFIG_CRYPTO_ANUBIS is not set
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# CONFIG_CRYPTO_ARC4 is not set
|
||||
# CONFIG_CRYPTO_BLOWFISH is not set
|
||||
|
@ -898,6 +923,11 @@ CONFIG_CRYPTO_SEED=m
|
|||
#
|
||||
# CONFIG_CRYPTO_DEFLATE is not set
|
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CONFIG_CRYPTO_LZO=m
|
||||
|
||||
#
|
||||
# Random Number Generation
|
||||
#
|
||||
CONFIG_CRYPTO_ANSI_CPRNG=m
|
||||
CONFIG_CRYPTO_HW=y
|
||||
CONFIG_ZCRYPT=m
|
||||
# CONFIG_ZCRYPT_MONOLITHIC is not set
|
||||
|
@ -912,8 +942,6 @@ CONFIG_S390_PRNG=m
|
|||
# Library routines
|
||||
#
|
||||
CONFIG_BITREVERSE=m
|
||||
# CONFIG_GENERIC_FIND_FIRST_BIT is not set
|
||||
# CONFIG_GENERIC_FIND_NEXT_BIT is not set
|
||||
# CONFIG_CRC_CCITT is not set
|
||||
# CONFIG_CRC16 is not set
|
||||
CONFIG_CRC_T10DIF=y
|
||||
|
|
|
@ -679,8 +679,6 @@ static inline void pmd_clear(pmd_t *pmd)
|
|||
|
||||
static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
|
||||
{
|
||||
if (mm->context.has_pgste)
|
||||
ptep_rcp_copy(ptep);
|
||||
pte_val(*ptep) = _PAGE_TYPE_EMPTY;
|
||||
if (mm->context.noexec)
|
||||
pte_val(ptep[PTRS_PER_PTE]) = _PAGE_TYPE_EMPTY;
|
||||
|
|
|
@ -321,8 +321,8 @@ struct pt_regs
|
|||
psw_t psw;
|
||||
unsigned long gprs[NUM_GPRS];
|
||||
unsigned long orig_gpr2;
|
||||
unsigned short svcnr;
|
||||
unsigned short ilc;
|
||||
unsigned short trap;
|
||||
};
|
||||
#endif
|
||||
|
||||
|
|
|
@ -17,9 +17,7 @@
|
|||
static inline long syscall_get_nr(struct task_struct *task,
|
||||
struct pt_regs *regs)
|
||||
{
|
||||
if (regs->trap != __LC_SVC_OLD_PSW)
|
||||
return -1;
|
||||
return regs->gprs[2];
|
||||
return regs->svcnr ? regs->svcnr : -1;
|
||||
}
|
||||
|
||||
static inline void syscall_rollback(struct task_struct *task,
|
||||
|
@ -52,18 +50,20 @@ static inline void syscall_get_arguments(struct task_struct *task,
|
|||
unsigned int i, unsigned int n,
|
||||
unsigned long *args)
|
||||
{
|
||||
unsigned long mask = -1UL;
|
||||
|
||||
BUG_ON(i + n > 6);
|
||||
#ifdef CONFIG_COMPAT
|
||||
if (test_tsk_thread_flag(task, TIF_31BIT)) {
|
||||
if (i + n == 6)
|
||||
args[--n] = (u32) regs->args[0];
|
||||
while (n-- > 0)
|
||||
args[n] = (u32) regs->gprs[2 + i + n];
|
||||
}
|
||||
if (test_tsk_thread_flag(task, TIF_31BIT))
|
||||
mask = 0xffffffff;
|
||||
#endif
|
||||
if (i + n == 6)
|
||||
args[--n] = regs->args[0];
|
||||
memcpy(args, ®s->gprs[2 + i], n * sizeof(args[0]));
|
||||
args[--n] = regs->args[0] & mask;
|
||||
while (n-- > 0)
|
||||
if (i + n > 0)
|
||||
args[n] = regs->gprs[2 + i + n] & mask;
|
||||
if (i == 0)
|
||||
args[0] = regs->orig_gpr2 & mask;
|
||||
}
|
||||
|
||||
static inline void syscall_set_arguments(struct task_struct *task,
|
||||
|
@ -74,7 +74,11 @@ static inline void syscall_set_arguments(struct task_struct *task,
|
|||
BUG_ON(i + n > 6);
|
||||
if (i + n == 6)
|
||||
regs->args[0] = args[--n];
|
||||
memcpy(®s->gprs[2 + i], args, n * sizeof(args[0]));
|
||||
while (n-- > 0)
|
||||
if (i + n > 0)
|
||||
regs->gprs[2 + i + n] = args[n];
|
||||
if (i == 0)
|
||||
regs->orig_gpr2 = args[0];
|
||||
}
|
||||
|
||||
#endif /* _ASM_SYSCALL_H */
|
||||
|
|
|
@ -32,7 +32,7 @@ int main(void)
|
|||
DEFINE(__PT_GPRS, offsetof(struct pt_regs, gprs));
|
||||
DEFINE(__PT_ORIG_GPR2, offsetof(struct pt_regs, orig_gpr2));
|
||||
DEFINE(__PT_ILC, offsetof(struct pt_regs, ilc));
|
||||
DEFINE(__PT_TRAP, offsetof(struct pt_regs, trap));
|
||||
DEFINE(__PT_SVCNR, offsetof(struct pt_regs, svcnr));
|
||||
DEFINE(__PT_SIZE, sizeof(struct pt_regs));
|
||||
BLANK();
|
||||
DEFINE(__SF_BACKCHAIN, offsetof(struct stack_frame, back_chain));
|
||||
|
|
|
@ -340,7 +340,7 @@ static int restore_sigregs32(struct pt_regs *regs,_sigregs32 __user *sregs)
|
|||
return err;
|
||||
|
||||
restore_fp_regs(¤t->thread.fp_regs);
|
||||
regs->trap = -1; /* disable syscall checks */
|
||||
regs->svcnr = 0; /* disable syscall checks */
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
|
@ -46,7 +46,7 @@ SP_R14 = STACK_FRAME_OVERHEAD + __PT_GPRS + 56
|
|||
SP_R15 = STACK_FRAME_OVERHEAD + __PT_GPRS + 60
|
||||
SP_ORIG_R2 = STACK_FRAME_OVERHEAD + __PT_ORIG_GPR2
|
||||
SP_ILC = STACK_FRAME_OVERHEAD + __PT_ILC
|
||||
SP_TRAP = STACK_FRAME_OVERHEAD + __PT_TRAP
|
||||
SP_SVCNR = STACK_FRAME_OVERHEAD + __PT_SVCNR
|
||||
SP_SIZE = STACK_FRAME_OVERHEAD + __PT_SIZE
|
||||
|
||||
_TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \
|
||||
|
@ -183,11 +183,10 @@ STACK_SIZE = 1 << STACK_SHIFT
|
|||
.macro CREATE_STACK_FRAME psworg,savearea
|
||||
s %r15,BASED(.Lc_spsize) # make room for registers & psw
|
||||
mvc SP_PSW(8,%r15),0(%r12) # move user PSW to stack
|
||||
la %r12,\psworg
|
||||
st %r2,SP_ORIG_R2(%r15) # store original content of gpr 2
|
||||
icm %r12,12,__LC_SVC_ILC
|
||||
icm %r12,3,__LC_SVC_ILC
|
||||
stm %r0,%r11,SP_R0(%r15) # store gprs %r0-%r11 to kernel stack
|
||||
st %r12,SP_ILC(%r15)
|
||||
st %r12,SP_SVCNR(%r15)
|
||||
mvc SP_R12(16,%r15),\savearea # move %r12-%r15 to stack
|
||||
la %r12,0
|
||||
st %r12,__SF_BACKCHAIN(%r15) # clear back chain
|
||||
|
@ -264,16 +263,17 @@ sysc_update:
|
|||
#endif
|
||||
sysc_do_svc:
|
||||
l %r9,__LC_THREAD_INFO # load pointer to thread_info struct
|
||||
sla %r7,2 # *4 and test for svc 0
|
||||
ltr %r7,%r7 # test for svc 0
|
||||
bnz BASED(sysc_nr_ok) # svc number > 0
|
||||
# svc 0: system call number in %r1
|
||||
cl %r1,BASED(.Lnr_syscalls)
|
||||
bnl BASED(sysc_nr_ok)
|
||||
lr %r7,%r1 # copy svc number to %r7
|
||||
sla %r7,2 # *4
|
||||
sysc_nr_ok:
|
||||
mvc SP_ARGS(4,%r15),SP_R7(%r15)
|
||||
sysc_do_restart:
|
||||
sth %r7,SP_SVCNR(%r15)
|
||||
sll %r7,2 # svc number *4
|
||||
l %r8,BASED(.Lsysc_table)
|
||||
tm __TI_flags+3(%r9),(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT)
|
||||
l %r8,0(%r7,%r8) # get system call addr.
|
||||
|
@ -376,7 +376,6 @@ sysc_notify_resume:
|
|||
sysc_restart:
|
||||
ni __TI_flags+3(%r9),255-_TIF_RESTART_SVC # clear TIF_RESTART_SVC
|
||||
l %r7,SP_R2(%r15) # load new svc number
|
||||
sla %r7,2
|
||||
mvc SP_R2(4,%r15),SP_ORIG_R2(%r15) # restore first argument
|
||||
lm %r2,%r6,SP_R2(%r15) # load svc arguments
|
||||
b BASED(sysc_do_restart) # restart svc
|
||||
|
@ -386,7 +385,8 @@ sysc_restart:
|
|||
#
|
||||
sysc_singlestep:
|
||||
ni __TI_flags+3(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP
|
||||
mvi SP_TRAP+1(%r15),0x28 # set trap indication to pgm check
|
||||
mvi SP_SVCNR(%r15),0xff # set trap indication to pgm check
|
||||
mvi SP_SVCNR+1(%r15),0xff
|
||||
la %r2,SP_PTREGS(%r15) # address of register-save area
|
||||
l %r1,BASED(.Lhandle_per) # load adr. of per handler
|
||||
la %r14,BASED(sysc_return) # load adr. of system return
|
||||
|
@ -407,7 +407,7 @@ sysc_tracesys:
|
|||
bnl BASED(sysc_tracenogo)
|
||||
l %r8,BASED(.Lsysc_table)
|
||||
lr %r7,%r2
|
||||
sll %r7,2 # *4
|
||||
sll %r7,2 # svc number *4
|
||||
l %r8,0(%r7,%r8)
|
||||
sysc_tracego:
|
||||
lm %r3,%r6,SP_R3(%r15)
|
||||
|
@ -586,7 +586,8 @@ pgm_svcper:
|
|||
# per was called from kernel, must be kprobes
|
||||
#
|
||||
kernel_per:
|
||||
mvi SP_TRAP+1(%r15),0x28 # set trap indication to pgm check
|
||||
mvi SP_SVCNR(%r15),0xff # set trap indication to pgm check
|
||||
mvi SP_SVCNR+1(%r15),0xff
|
||||
la %r2,SP_PTREGS(%r15) # address of register-save area
|
||||
l %r1,BASED(.Lhandle_per) # load adr. of per handler
|
||||
la %r14,BASED(sysc_restore)# load adr. of system return
|
||||
|
|
|
@ -46,7 +46,7 @@ SP_R14 = STACK_FRAME_OVERHEAD + __PT_GPRS + 112
|
|||
SP_R15 = STACK_FRAME_OVERHEAD + __PT_GPRS + 120
|
||||
SP_ORIG_R2 = STACK_FRAME_OVERHEAD + __PT_ORIG_GPR2
|
||||
SP_ILC = STACK_FRAME_OVERHEAD + __PT_ILC
|
||||
SP_TRAP = STACK_FRAME_OVERHEAD + __PT_TRAP
|
||||
SP_SVCNR = STACK_FRAME_OVERHEAD + __PT_SVCNR
|
||||
SP_SIZE = STACK_FRAME_OVERHEAD + __PT_SIZE
|
||||
|
||||
STACK_SHIFT = PAGE_SHIFT + THREAD_ORDER
|
||||
|
@ -171,11 +171,10 @@ _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \
|
|||
.macro CREATE_STACK_FRAME psworg,savearea
|
||||
aghi %r15,-SP_SIZE # make room for registers & psw
|
||||
mvc SP_PSW(16,%r15),0(%r12) # move user PSW to stack
|
||||
la %r12,\psworg
|
||||
stg %r2,SP_ORIG_R2(%r15) # store original content of gpr 2
|
||||
icm %r12,12,__LC_SVC_ILC
|
||||
icm %r12,3,__LC_SVC_ILC
|
||||
stmg %r0,%r11,SP_R0(%r15) # store gprs %r0-%r11 to kernel stack
|
||||
st %r12,SP_ILC(%r15)
|
||||
st %r12,SP_SVCNR(%r15)
|
||||
mvc SP_R12(32,%r15),\savearea # move %r12-%r15 to stack
|
||||
la %r12,0
|
||||
stg %r12,__SF_BACKCHAIN(%r15)
|
||||
|
@ -250,16 +249,17 @@ sysc_update:
|
|||
#endif
|
||||
sysc_do_svc:
|
||||
lg %r9,__LC_THREAD_INFO # load pointer to thread_info struct
|
||||
slag %r7,%r7,2 # *4 and test for svc 0
|
||||
ltgr %r7,%r7 # test for svc 0
|
||||
jnz sysc_nr_ok
|
||||
# svc 0: system call number in %r1
|
||||
cl %r1,BASED(.Lnr_syscalls)
|
||||
jnl sysc_nr_ok
|
||||
lgfr %r7,%r1 # clear high word in r1
|
||||
slag %r7,%r7,2 # svc 0: system call number in %r1
|
||||
sysc_nr_ok:
|
||||
mvc SP_ARGS(8,%r15),SP_R7(%r15)
|
||||
sysc_do_restart:
|
||||
sth %r7,SP_SVCNR(%r15)
|
||||
sllg %r7,%r7,2 # svc number * 4
|
||||
larl %r10,sys_call_table
|
||||
#ifdef CONFIG_COMPAT
|
||||
tm __TI_flags+5(%r9),(_TIF_31BIT>>16) # running in 31 bit mode ?
|
||||
|
@ -363,7 +363,6 @@ sysc_notify_resume:
|
|||
sysc_restart:
|
||||
ni __TI_flags+7(%r9),255-_TIF_RESTART_SVC # clear TIF_RESTART_SVC
|
||||
lg %r7,SP_R2(%r15) # load new svc number
|
||||
slag %r7,%r7,2 # *4
|
||||
mvc SP_R2(8,%r15),SP_ORIG_R2(%r15) # restore first argument
|
||||
lmg %r2,%r6,SP_R2(%r15) # load svc arguments
|
||||
j sysc_do_restart # restart svc
|
||||
|
@ -372,9 +371,8 @@ sysc_restart:
|
|||
# _TIF_SINGLE_STEP is set, call do_single_step
|
||||
#
|
||||
sysc_singlestep:
|
||||
ni __TI_flags+7(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP
|
||||
lhi %r0,__LC_PGM_OLD_PSW
|
||||
sth %r0,SP_TRAP(%r15) # set trap indication to pgm check
|
||||
ni __TI_flags+7(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP
|
||||
xc SP_SVCNR(2,%r15),SP_SVCNR(%r15) # clear svc number
|
||||
la %r2,SP_PTREGS(%r15) # address of register-save area
|
||||
larl %r14,sysc_return # load adr. of system return
|
||||
jg do_single_step # branch to do_sigtrap
|
||||
|
@ -392,7 +390,7 @@ sysc_tracesys:
|
|||
lghi %r0,NR_syscalls
|
||||
clgr %r0,%r2
|
||||
jnh sysc_tracenogo
|
||||
slag %r7,%r2,2 # *4
|
||||
sllg %r7,%r2,2 # svc number *4
|
||||
lgf %r8,0(%r7,%r10)
|
||||
sysc_tracego:
|
||||
lmg %r3,%r6,SP_R3(%r15)
|
||||
|
@ -567,8 +565,7 @@ pgm_svcper:
|
|||
# per was called from kernel, must be kprobes
|
||||
#
|
||||
kernel_per:
|
||||
lhi %r0,__LC_PGM_OLD_PSW
|
||||
sth %r0,SP_TRAP(%r15) # set trap indication to pgm check
|
||||
xc SP_SVCNR(2,%r15),SP_SVCNR(%r15) # clear svc number
|
||||
la %r2,SP_PTREGS(%r15) # address of register-save area
|
||||
larl %r14,sysc_restore # load adr. of system ret, no work
|
||||
jg do_single_step # branch to do_single_step
|
||||
|
|
|
@ -26,7 +26,7 @@ EXPORT_SYMBOL(init_mm);
|
|||
/*
|
||||
* Initial thread structure.
|
||||
*
|
||||
* We need to make sure that this is 8192-byte aligned due to the
|
||||
* We need to make sure that this is THREAD_SIZE aligned due to the
|
||||
* way process stacks are handled. This is done by having a special
|
||||
* "init_task" linker map entry..
|
||||
*/
|
||||
|
|
|
@ -657,7 +657,7 @@ asmlinkage long do_syscall_trace_enter(struct pt_regs *regs)
|
|||
* debugger stored an invalid system call number. Skip
|
||||
* the system call and the system call restart handling.
|
||||
*/
|
||||
regs->trap = -1;
|
||||
regs->svcnr = 0;
|
||||
ret = -1;
|
||||
}
|
||||
|
||||
|
|
|
@ -160,7 +160,7 @@ static int restore_sigregs(struct pt_regs *regs, _sigregs __user *sregs)
|
|||
current->thread.fp_regs.fpc &= FPC_VALID_MASK;
|
||||
|
||||
restore_fp_regs(¤t->thread.fp_regs);
|
||||
regs->trap = -1; /* disable syscall checks */
|
||||
regs->svcnr = 0; /* disable syscall checks */
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -445,7 +445,7 @@ void do_signal(struct pt_regs *regs)
|
|||
oldset = ¤t->blocked;
|
||||
|
||||
/* Are we from a system call? */
|
||||
if (regs->trap == __LC_SVC_OLD_PSW) {
|
||||
if (regs->svcnr) {
|
||||
continue_addr = regs->psw.addr;
|
||||
restart_addr = continue_addr - regs->ilc;
|
||||
retval = regs->gprs[2];
|
||||
|
@ -462,7 +462,7 @@ void do_signal(struct pt_regs *regs)
|
|||
case -ERESTART_RESTARTBLOCK:
|
||||
regs->gprs[2] = -EINTR;
|
||||
}
|
||||
regs->trap = -1; /* Don't deal with this again. */
|
||||
regs->svcnr = 0; /* Don't deal with this again. */
|
||||
}
|
||||
|
||||
/* Get signal to deliver. When running under ptrace, at this point
|
||||
|
|
|
@ -59,7 +59,7 @@
|
|||
|
||||
static ext_int_info_t ext_int_info_cc;
|
||||
static ext_int_info_t ext_int_etr_cc;
|
||||
static u64 jiffies_timer_cc;
|
||||
static u64 sched_clock_base_cc;
|
||||
|
||||
static DEFINE_PER_CPU(struct clock_event_device, comparators);
|
||||
|
||||
|
@ -68,7 +68,7 @@ static DEFINE_PER_CPU(struct clock_event_device, comparators);
|
|||
*/
|
||||
unsigned long long sched_clock(void)
|
||||
{
|
||||
return ((get_clock_xt() - jiffies_timer_cc) * 125) >> 9;
|
||||
return ((get_clock_xt() - sched_clock_base_cc) * 125) >> 9;
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -229,13 +229,10 @@ static struct clocksource clocksource_tod = {
|
|||
*/
|
||||
void __init time_init(void)
|
||||
{
|
||||
u64 init_timer_cc;
|
||||
|
||||
init_timer_cc = reset_tod_clock();
|
||||
jiffies_timer_cc = init_timer_cc - jiffies_64 * CLK_TICKS_PER_JIFFY;
|
||||
sched_clock_base_cc = reset_tod_clock();
|
||||
|
||||
/* set xtime */
|
||||
tod_to_timeval(init_timer_cc - TOD_UNIX_EPOCH, &xtime);
|
||||
tod_to_timeval(sched_clock_base_cc - TOD_UNIX_EPOCH, &xtime);
|
||||
set_normalized_timespec(&wall_to_monotonic,
|
||||
-xtime.tv_sec, -xtime.tv_nsec);
|
||||
|
||||
|
@ -289,7 +286,7 @@ static unsigned long long adjust_time(unsigned long long old,
|
|||
delta = -delta;
|
||||
adjust.offset = -ticks * (1000000 / HZ);
|
||||
}
|
||||
jiffies_timer_cc += delta;
|
||||
sched_clock_base_cc += delta;
|
||||
if (adjust.offset != 0) {
|
||||
printk(KERN_NOTICE "etr: time adjusted by %li micro-seconds\n",
|
||||
adjust.offset);
|
||||
|
|
|
@ -2,6 +2,7 @@
|
|||
* Written by Martin Schwidefsky (schwidefsky@de.ibm.com)
|
||||
*/
|
||||
|
||||
#include <asm/thread_info.h>
|
||||
#include <asm/page.h>
|
||||
#include <asm-generic/vmlinux.lds.h>
|
||||
|
||||
|
@ -86,7 +87,7 @@ SECTIONS
|
|||
}
|
||||
_edata = .; /* End of data section */
|
||||
|
||||
. = ALIGN(2 * PAGE_SIZE); /* init_task */
|
||||
. = ALIGN(THREAD_SIZE); /* init_task */
|
||||
.data.init_task : {
|
||||
*(.data.init_task)
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue
Block a user