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-rw-r--r--arch/s390/appldata/appldata_base.c6
-rw-r--r--arch/s390/defconfig253
-rw-r--r--arch/s390/kernel/compat_wrapper.S26
-rw-r--r--arch/s390/kernel/entry.S6
-rw-r--r--arch/s390/kernel/entry64.S6
-rw-r--r--arch/s390/kernel/head.S16
-rw-r--r--arch/s390/kernel/head64.S12
-rw-r--r--arch/s390/kernel/machine_kexec.c7
-rw-r--r--arch/s390/kernel/relocate_kernel.S41
-rw-r--r--arch/s390/kernel/relocate_kernel64.S45
-rw-r--r--arch/s390/kernel/s390_ext.c16
-rw-r--r--arch/s390/kernel/setup.c6
-rw-r--r--arch/s390/kernel/smp.c16
-rw-r--r--arch/s390/kernel/syscalls.S5
-rw-r--r--arch/s390/kernel/traps.c15
-rw-r--r--arch/s390/lib/Makefile4
-rw-r--r--arch/s390/lib/spinlock.c133
17 files changed, 465 insertions, 148 deletions
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index c067435bae45..c9f2f60cfa58 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -232,7 +232,11 @@ static int appldata_diag(char record_nr, u16 function, unsigned long buffer,
 	ry = -1;
 	asm volatile(
 			"diag %1,%0,0xDC\n\t"
-			: "=d" (ry) : "d" (&(appldata_parameter_list)) : "cc");
+			: "=d" (ry)
+			: "d" (&appldata_parameter_list),
+			  "m" (appldata_parameter_list),
+			  "m" (appldata_product_id)
+			: "cc");
 	return (int) ry;
 }
 /************************ timer, work, DIAG <END> ****************************/
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index 89850b2c27ea..0865251a3f44 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc3
-# Fri Apr 22 15:30:58 2005
+# Linux kernel version: 2.6.13-rc4
+# Fri Jul 29 14:49:30 2005
 #
 CONFIG_MMU=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
@@ -23,10 +23,11 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
-# CONFIG_POSIX_MQUEUE is not set
+CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
-# CONFIG_AUDIT is not set
+CONFIG_AUDIT=y
+# CONFIG_AUDITSYSCALL is not set
 CONFIG_HOTPLUG=y
 CONFIG_KOBJECT_UEVENT=y
 CONFIG_IKCONFIG=y
@@ -36,6 +37,8 @@ CONFIG_IKCONFIG_PROC=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -51,9 +54,10 @@ CONFIG_BASE_SMALL=0
 # Loadable module support
 #
 CONFIG_MODULES=y
-# CONFIG_MODULE_UNLOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
 CONFIG_OBSOLETE_MODPARM=y
-# CONFIG_MODVERSIONS is not set
+CONFIG_MODVERSIONS=y
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_KMOD=y
 CONFIG_STOP_MACHINE=y
@@ -81,8 +85,15 @@ CONFIG_MARCH_G5=y
 # CONFIG_MARCH_Z990 is not set
 CONFIG_PACK_STACK=y
 # CONFIG_SMALL_STACK is not set
-# CONFIG_CHECK_STACK is not set
+CONFIG_CHECK_STACK=y
+CONFIG_STACK_GUARD=256
 # CONFIG_WARN_STACK is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
 
 #
 # I/O subsystem configuration
@@ -95,7 +106,7 @@ CONFIG_QDIO=y
 #
 # Misc
 #
-# CONFIG_PREEMPT is not set
+CONFIG_PREEMPT=y
 CONFIG_IPL=y
 # CONFIG_IPL_TAPE is not set
 CONFIG_IPL_VM=y
@@ -105,9 +116,110 @@ CONFIG_BINFMT_MISC=m
 CONFIG_PFAULT=y
 # CONFIG_SHARED_KERNEL is not set
 # CONFIG_CMM is not set
-# CONFIG_VIRT_TIMER is not set
+CONFIG_VIRT_TIMER=y
+CONFIG_VIRT_CPU_ACCOUNTING=y
+# CONFIG_APPLDATA_BASE is not set
 CONFIG_NO_IDLE_HZ=y
 CONFIG_NO_IDLE_HZ_INIT=y
+# CONFIG_KEXEC is not set
+
+#
+# Networking
+#
+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
+CONFIG_NET_KEY=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_PNP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_IP_MROUTE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_IP_TCPDIAG=y
+CONFIG_IP_TCPDIAG_IPV6=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+CONFIG_IPV6=y
+# CONFIG_IPV6_PRIVACY is not set
+# CONFIG_INET6_AH is not set
+# CONFIG_INET6_ESP is not set
+# CONFIG_INET6_IPCOMP is not set
+# CONFIG_INET6_TUNNEL is not set
+# CONFIG_IPV6_TUNNEL is not set
+# CONFIG_NETFILTER is not set
+
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# 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
+CONFIG_NET_SCHED=y
+CONFIG_NET_SCH_CLK_JIFFIES=y
+# CONFIG_NET_SCH_CLK_GETTIMEOFDAY is not set
+# CONFIG_NET_SCH_CLK_CPU is not set
+CONFIG_NET_SCH_CBQ=m
+# CONFIG_NET_SCH_HTB is not set
+# CONFIG_NET_SCH_HFSC is not set
+CONFIG_NET_SCH_PRIO=m
+CONFIG_NET_SCH_RED=m
+CONFIG_NET_SCH_SFQ=m
+CONFIG_NET_SCH_TEQL=m
+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_INGRESS is not set
+CONFIG_NET_QOS=y
+CONFIG_NET_ESTIMATOR=y
+CONFIG_NET_CLS=y
+# CONFIG_NET_CLS_BASIC is not set
+CONFIG_NET_CLS_TCINDEX=m
+CONFIG_NET_CLS_ROUTE4=m
+CONFIG_NET_CLS_ROUTE=y
+CONFIG_NET_CLS_FW=m
+CONFIG_NET_CLS_U32=m
+# CONFIG_CLS_U32_PERF is not set
+# CONFIG_NET_CLS_IND is not set
+CONFIG_NET_CLS_RSVP=m
+CONFIG_NET_CLS_RSVP6=m
+# CONFIG_NET_EMATCH is not set
+# CONFIG_NET_CLS_ACT is not set
+CONFIG_NET_CLS_POLICE=y
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
 # CONFIG_PCMCIA is not set
 
 #
@@ -133,6 +245,7 @@ CONFIG_CHR_DEV_ST=y
 CONFIG_BLK_DEV_SR=y
 CONFIG_BLK_DEV_SR_VENDOR=y
 CONFIG_CHR_DEV_SG=y
+# CONFIG_CHR_DEV_SCH is not set
 
 #
 # Some SCSI devices (e.g. CD jukebox) support multiple LUNs
@@ -205,7 +318,13 @@ CONFIG_MD_RAID5=m
 # CONFIG_MD_RAID6 is not set
 CONFIG_MD_MULTIPATH=m
 # CONFIG_MD_FAULTY is not set
-# CONFIG_BLK_DEV_DM is not set
+CONFIG_BLK_DEV_DM=y
+CONFIG_DM_CRYPT=y
+CONFIG_DM_SNAPSHOT=y
+CONFIG_DM_MIRROR=y
+CONFIG_DM_ZERO=y
+CONFIG_DM_MULTIPATH=y
+# CONFIG_DM_MULTIPATH_EMC is not set
 
 #
 # Character device drivers
@@ -231,7 +350,8 @@ CONFIG_CCW_CONSOLE=y
 CONFIG_SCLP=y
 CONFIG_SCLP_TTY=y
 CONFIG_SCLP_CONSOLE=y
-# CONFIG_SCLP_VT220_TTY is not set
+CONFIG_SCLP_VT220_TTY=y
+CONFIG_SCLP_VT220_CONSOLE=y
 CONFIG_SCLP_CPI=m
 CONFIG_S390_TAPE=m
 
@@ -255,105 +375,8 @@ CONFIG_S390_TAPE_34XX=m
 CONFIG_Z90CRYPT=m
 
 #
-# Networking support
-#
-CONFIG_NET=y
-
-#
-# Networking options
-#
-CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
-CONFIG_UNIX=y
-CONFIG_NET_KEY=y
-CONFIG_INET=y
-CONFIG_IP_MULTICAST=y
-# CONFIG_IP_ADVANCED_ROUTER is not set
-# CONFIG_IP_PNP is not set
-# CONFIG_NET_IPIP is not set
-# CONFIG_NET_IPGRE is not set
-# CONFIG_IP_MROUTE is not set
-# CONFIG_ARPD is not set
-# CONFIG_SYN_COOKIES is not set
-# CONFIG_INET_AH is not set
-# CONFIG_INET_ESP is not set
-# CONFIG_INET_IPCOMP is not set
-# CONFIG_INET_TUNNEL is not set
-CONFIG_IP_TCPDIAG=y
-CONFIG_IP_TCPDIAG_IPV6=y
-CONFIG_IPV6=y
-# CONFIG_IPV6_PRIVACY is not set
-# CONFIG_INET6_AH is not set
-# CONFIG_INET6_ESP is not set
-# CONFIG_INET6_IPCOMP is not set
-# CONFIG_INET6_TUNNEL is not set
-# CONFIG_IPV6_TUNNEL is not set
-# CONFIG_NETFILTER is not set
-CONFIG_XFRM=y
-# CONFIG_XFRM_USER is not set
-
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
-# CONFIG_IP_SCTP is not set
-# CONFIG_ATM is not set
-# CONFIG_BRIDGE is not set
-# CONFIG_VLAN_8021Q is not set
-# CONFIG_DECNET is not set
-# CONFIG_LLC2 is not set
-# CONFIG_IPX is not set
-# 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
-
-#
-# QoS and/or fair queueing
-#
-CONFIG_NET_SCHED=y
-CONFIG_NET_SCH_CLK_JIFFIES=y
-# CONFIG_NET_SCH_CLK_GETTIMEOFDAY is not set
-# CONFIG_NET_SCH_CLK_CPU is not set
-CONFIG_NET_SCH_CBQ=m
-# CONFIG_NET_SCH_HTB is not set
-# CONFIG_NET_SCH_HFSC is not set
-CONFIG_NET_SCH_PRIO=m
-CONFIG_NET_SCH_RED=m
-CONFIG_NET_SCH_SFQ=m
-CONFIG_NET_SCH_TEQL=m
-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_INGRESS is not set
-CONFIG_NET_QOS=y
-CONFIG_NET_ESTIMATOR=y
-CONFIG_NET_CLS=y
-# CONFIG_NET_CLS_BASIC is not set
-CONFIG_NET_CLS_TCINDEX=m
-CONFIG_NET_CLS_ROUTE4=m
-CONFIG_NET_CLS_ROUTE=y
-CONFIG_NET_CLS_FW=m
-CONFIG_NET_CLS_U32=m
-# CONFIG_CLS_U32_PERF is not set
-# CONFIG_NET_CLS_IND is not set
-CONFIG_NET_CLS_RSVP=m
-CONFIG_NET_CLS_RSVP6=m
-# CONFIG_NET_EMATCH is not set
-# CONFIG_NET_CLS_ACT is not set
-CONFIG_NET_CLS_POLICE=y
-
-#
-# Network testing
+# Network device support
 #
-# CONFIG_NET_PKTGEN is not set
-# CONFIG_NETPOLL is not set
-# CONFIG_NET_POLL_CONTROLLER is not set
-# CONFIG_HAMRADIO is not set
-# CONFIG_IRDA is not set
-# CONFIG_BT is not set
 CONFIG_NETDEVICES=y
 CONFIG_DUMMY=m
 CONFIG_BONDING=m
@@ -411,12 +434,15 @@ CONFIG_CCWGROUP=y
 # CONFIG_SLIP is not set
 # CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
 
 #
 # File systems
 #
 CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
 CONFIG_EXT3_FS=y
 CONFIG_EXT3_FS_XATTR=y
 # CONFIG_EXT3_FS_POSIX_ACL is not set
@@ -426,6 +452,7 @@ CONFIG_JBD=y
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
 
 #
 # XFS support
@@ -433,6 +460,7 @@ CONFIG_FS_MBCACHE=y
 # CONFIG_XFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
 # CONFIG_QUOTA is not set
 CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
@@ -457,7 +485,6 @@ CONFIG_DNOTIFY=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_DEVFS_FS is not set
 # CONFIG_DEVPTS_FS_XATTR is not set
 CONFIG_TMPFS=y
 # CONFIG_TMPFS_XATTR is not set
@@ -486,15 +513,18 @@ CONFIG_RAMFS=y
 #
 CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
 # CONFIG_NFS_V4 is not set
 # CONFIG_NFS_DIRECTIO is not set
 CONFIG_NFSD=y
 CONFIG_NFSD_V3=y
+# CONFIG_NFSD_V3_ACL is not set
 # CONFIG_NFSD_V4 is not set
 CONFIG_NFSD_TCP=y
 CONFIG_LOCKD=y
 CONFIG_LOCKD_V4=y
 CONFIG_EXPORTFS=y
+CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
@@ -544,11 +574,12 @@ CONFIG_MAGIC_SYSRQ=y
 CONFIG_LOG_BUF_SHIFT=17
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
+CONFIG_DEBUG_PREEMPT=y
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_INFO is not set
-# CONFIG_DEBUG_FS is not set
+CONFIG_DEBUG_FS=y
 
 #
 # Security options
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 799a98eac92d..23fe94e58688 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1449,3 +1449,29 @@ compat_sys_kexec_load_wrapper:
 	llgtr	%r4,%r4			# struct kexec_segment *
 	llgfr	%r5,%r5			# unsigned long
 	jg	compat_sys_kexec_load
+
+	.globl	sys_ioprio_set_wrapper
+sys_ioprio_set_wrapper:
+	lgfr	%r2,%r2			# int
+	lgfr	%r3,%r3			# int
+	lgfr	%r4,%r4			# int
+	jg	sys_ioprio_set
+
+	.globl	sys_ioprio_get_wrapper
+sys_ioprio_get_wrapper:
+	lgfr	%r2,%r2			# int
+	lgfr	%r3,%r3			# int
+	jg	sys_ioprio_get
+
+	.globl	sys_inotify_add_watch_wrapper
+sys_inotify_add_watch_wrapper:
+	lgfr	%r2,%r2			# int
+	llgtr	%r3,%r3			# const char *
+	llgfr	%r4,%r4			# u32
+	jg	sys_inotify_add_watch
+
+	.globl	sys_inotify_rm_watch_wrapper
+sys_inotify_rm_watch_wrapper:
+	lgfr	%r2,%r2			# int
+	llgfr	%r3,%r3			# u32
+	jg	sys_inotify_rm_watch
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 5b262b5d869f..1a271b16cb5c 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -690,9 +690,9 @@ mcck_int_handler:
 	bo	BASED(0f)
 	spt	__LC_LAST_UPDATE_TIMER	# revalidate cpu timer
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING
-	mvc	__LC_LAST_UPDATE_TIMER(8),__LC_ASYNC_ENTER_TIMER
-	mvc	__LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER
-	mvc	__LC_LAST_UPDATE_TIMER(8),__LC_EXIT_TIMER
+	mvc	__LC_ASYNC_ENTER_TIMER(8),__LC_LAST_UPDATE_TIMER
+	mvc	__LC_SYNC_ENTER_TIMER(8),__LC_LAST_UPDATE_TIMER
+	mvc	__LC_EXIT_TIMER(8),__LC_LAST_UPDATE_TIMER
 0:	tm	__LC_MCCK_CODE+2,0x08   # mwp of old psw valid?
 	bno	BASED(mcck_no_vtime)	# no -> skip cleanup critical
 	tm	__LC_MCK_OLD_PSW+1,0x01 # interrupting from user ?
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 57ca75d0ad7f..d9f22915008c 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -727,9 +727,9 @@ mcck_int_handler:
 	jo	0f
 	spt	__LC_LAST_UPDATE_TIMER
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING
-	mvc	__LC_LAST_UPDATE_TIMER(8),__LC_ASYNC_ENTER_TIMER
-	mvc	__LC_LAST_UPDATE_TIMER(8),__LC_SYNC_ENTER_TIMER
-	mvc	__LC_LAST_UPDATE_TIMER(8),__LC_EXIT_TIMER
+	mvc	__LC_ASYNC_ENTER_TIMER(8),__LC_LAST_UPDATE_TIMER
+	mvc	__LC_SYNC_ENTER_TIMER(8),__LC_LAST_UPDATE_TIMER
+	mvc	__LC_EXIT_TIMER(8),__LC_LAST_UPDATE_TIMER
 0:	tm	__LC_MCCK_CODE+2,0x08	# mwp of old psw valid?
 	jno	mcck_no_vtime		# no -> no timer update
 	tm      __LC_MCK_OLD_PSW+1,0x01 # interrupting from user ?
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index fc8bf5e285f6..2710e66fefba 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -346,6 +346,13 @@ iplstart:
         la    %r2,.Lreset              
         lhi   %r3,26
 	diag  %r2,%r3,8
+	la    %r5,.Lirb
+	stsch 0(%r5)			       # check if irq is pending
+	tm    30(%r5),0x0f		       # by verifying if any of the
+	bnz   .Lwaitforirq		       # activity or status control
+	tm    31(%r5),0xff		       # bits is set in the schib
+	bz    .Lnoreset
+.Lwaitforirq:
 	mvc   0x78(8),.Lrdrnewpsw              # set up IO interrupt psw
 .Lwaitrdrirq:
 	lpsw  .Lrdrwaitpsw
@@ -535,8 +542,13 @@ startup:basr  %r13,0                     # get base
 	lhi   %r1,0
 	icm   %r1,3,.Lscpincr1-PARMAREA(%r4) # use this one if != 0
 	jnz   .Lscnd
-	l     %r1,.Lscpincr2-PARMAREA+4(%r4) # otherwise use this one
+	lhi   %r1,0x800			# otherwise report 2GB
 .Lscnd:
+	lhi   %r3,0x800			# limit reported memory size to 2GB
+	cr    %r1,%r3
+	jl    .Lno2gb
+	lr    %r1,%r3
+.Lno2gb:
 	xr    %r3,%r3			# same logic
 	ic    %r3,.Lscpa1-PARMAREA(%r4)
 	chi   %r3,0x00
@@ -765,7 +777,7 @@ _stext:	basr  %r13,0                    # get base
 
 # check control registers
         stctl  %c0,%c15,0(%r15)
-	oi     2(%r15),0x20             # enable sigp external interrupts
+	oi     2(%r15),0x40             # enable sigp emergency signal
 	oi     0(%r15),0x10             # switch on low address protection
         lctl   %c0,%c15,0(%r15)
 
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index f525c0c21250..9a8263a153cb 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -345,6 +345,13 @@ iplstart:
         la    %r2,.Lreset              
         lhi   %r3,26
 	diag  %r2,%r3,8
+	la    %r5,.Lirb
+	stsch 0(%r5)			       # check if irq is pending
+	tm    30(%r5),0x0f		       # by verifying if any of the
+	bnz   .Lwaitforirq		       # activity or status control
+	tm    31(%r5),0xff		       # bits is set in the schib
+	bz    .Lnoreset
+.Lwaitforirq:
 	mvc   0x78(8),.Lrdrnewpsw	       # set up IO interrupt psw
 .Lwaitrdrirq:
 	lpsw  .Lrdrwaitpsw
@@ -658,10 +665,8 @@ startup:basr  %r13,0                     # get base
 #
 	la     %r1,0f-.LPG1(%r13)	# set program check address
 	stg    %r1,__LC_PGM_NEW_PSW+8
-	mvc    __LC_DIAG44_OPCODE(8),.Lnop-.LPG1(%r13)
 	diag   0,0,0x44			# test diag 0x44
 	oi     7(%r12),32		# set diag44 flag
-	mvc    __LC_DIAG44_OPCODE(8),.Ldiag44-.LPG1(%r13)
 0:	
 
 #
@@ -702,7 +707,6 @@ startup:basr  %r13,0                     # get base
 .L4malign:.quad 0xffffffffffc00000
 .Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8
 .Lnop:	.long  0x07000700
-.Ldiag44:.long 0x83000044
 
 	.org PARMAREA-64
 .Lduct:	.long 0,0,0,0,0,0,0,0
@@ -765,7 +769,7 @@ _stext:	basr  %r13,0                    # get base
 
 # check control registers
         stctg  %c0,%c15,0(%r15)
-	oi     6(%r15),0x20             # enable sigp external interrupts
+	oi     6(%r15),0x40             # enable sigp emergency signal
 	oi     4(%r15),0x10             # switch on low address proctection
         lctlg  %c0,%c15,0(%r15)
 
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index 2721c3a32b84..5aa71b05b8ae 100644
--- a/arch/s390/kernel/machine_kexec.c
+++ b/arch/s390/kernel/machine_kexec.c
@@ -70,6 +70,8 @@ machine_kexec(struct kimage *image)
 	for (;;);
 }
 
+extern void pfault_fini(void);
+
 static void
 kexec_halt_all_cpus(void *kernel_image)
 {
@@ -78,6 +80,11 @@ kexec_halt_all_cpus(void *kernel_image)
 	struct kimage *image;
 	relocate_kernel_t data_mover;
 
+#ifdef CONFIG_PFAULT
+	if (MACHINE_IS_VM)
+		pfault_fini();
+#endif
+
 	if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid))
 		signal_processor(smp_processor_id(), sigp_stop);
 
diff --git a/arch/s390/kernel/relocate_kernel.S b/arch/s390/kernel/relocate_kernel.S
index d5e4a62fbb79..2a25ec7147ff 100644
--- a/arch/s390/kernel/relocate_kernel.S
+++ b/arch/s390/kernel/relocate_kernel.S
@@ -4,6 +4,7 @@
  * (C) Copyright IBM Corp. 2005
  *
  * Author(s): Rolf Adelsberger <adelsberger@de.ibm.com>
+ *	      Heiko Carstens <heiko.carstens@de.ibm.com>
  *
  */
 
@@ -25,8 +26,31 @@
 	relocate_kernel:
 		basr	%r13,0		#base address
 	.base:
-		spx	zero64-.base(%r13)	#absolute addressing mode
 		stnsm	sys_msk-.base(%r13),0xf8	#disable DAT and IRQ (external)
+		spx	zero64-.base(%r13)	#absolute addressing mode
+		stctl	%c0,%c15,ctlregs-.base(%r13)
+		stm	%r0,%r15,gprregs-.base(%r13)
+		la	%r1,load_psw-.base(%r13)
+		mvc     0(8,%r0),0(%r1)
+		la	%r0,.back-.base(%r13)
+		st	%r0,4(%r0)
+		oi	4(%r0),0x80
+		mvc	0x68(8,%r0),0(%r1)
+		la	%r0,.back_pgm-.base(%r13)
+		st	%r0,0x6c(%r0)
+		oi	0x6c(%r0),0x80
+		lhi	%r0,0
+		diag	%r0,%r0,0x308
+	.back:
+		basr	%r13,0
+	.back_base:
+		oi	have_diag308-.back_base(%r13),0x01
+		lctl	%c0,%c15,ctlregs-.back_base(%r13)
+		lm	%r0,%r15,gprregs-.back_base(%r13)
+		j	.start_reloc
+	.back_pgm:
+		lm	%r0,%r15,gprregs-.base(%r13)
+	.start_reloc:
 		lhi	%r10,-1		#preparing the mask
 		sll	%r10,12		#shift it such that it becomes 0xf000
 	.top:
@@ -63,6 +87,10 @@
 		o	%r3,4(%r4)	#or load address into psw
 		st	%r3,4(%r4)
 		mvc	0(8,%r0),0(%r4)	#copy psw to absolute address 0
+		tm	have_diag308-.base(%r13),0x01
+		jno	.no_diag308
+		diag	%r0,%r0,0x308
+	.no_diag308:
 		sr	%r1,%r1		#clear %r1
 		sr	%r2,%r2		#clear %r2
 		sigp	%r1,%r2,0x12	#set cpuid to zero
@@ -75,6 +103,17 @@
 		.long	0x00080000,0x80000000
 	sys_msk:
 		.quad	0
+	ctlregs:
+		.rept	16
+		.long	0
+		.endr
+	gprregs:
+		.rept	16
+		.long	0
+		.endr
+	have_diag308:
+		.byte	0
+		.align	8
 	relocate_kernel_end:
 	.globl	relocate_kernel_len
 	relocate_kernel_len:
diff --git a/arch/s390/kernel/relocate_kernel64.S b/arch/s390/kernel/relocate_kernel64.S
index 96290cc4eb3c..8cdb86e8911f 100644
--- a/arch/s390/kernel/relocate_kernel64.S
+++ b/arch/s390/kernel/relocate_kernel64.S
@@ -4,6 +4,7 @@
  * (C) Copyright IBM Corp. 2005
  *
  * Author(s): Rolf Adelsberger <adelsberger@de.ibm.com>
+ *	      Heiko Carstens <heiko.carstens@de.ibm.com>
  *
  */
 
@@ -26,8 +27,34 @@
 	relocate_kernel:
 		basr	%r13,0		#base address
 	.base:
+		stnsm	sys_msk-.base(%r13),0xf8	#disable DAT and IRQs
 		spx	zero64-.base(%r13)	#absolute addressing mode
-		stnsm	sys_msk-.base(%r13),0xf8	#disable DAT and IRQ (external)
+		stctg	%c0,%c15,ctlregs-.base(%r13)
+		stmg	%r0,%r15,gprregs-.base(%r13)
+		lghi	%r0,3
+		sllg	%r0,%r0,31
+		stg	%r0,0x1d0(%r0)
+		la	%r0,.back_pgm-.base(%r13)
+		stg	%r0,0x1d8(%r0)
+		la	%r1,load_psw-.base(%r13)
+		mvc     0(8,%r0),0(%r1)
+		la	%r0,.back-.base(%r13)
+		st	%r0,4(%r0)
+		oi	4(%r0),0x80
+		lghi	%r0,0
+		diag	%r0,%r0,0x308
+	.back:
+		lhi	%r1,1		#mode 1 = esame
+		sigp	%r1,%r0,0x12	#switch to esame mode
+		sam64			#switch to 64 bit addressing mode
+		basr	%r13,0
+	.back_base:
+		oi	have_diag308-.back_base(%r13),0x01
+		lctlg	%c0,%c15,ctlregs-.back_base(%r13)
+		lmg	%r0,%r15,gprregs-.back_base(%r13)
+		j	.top
+	.back_pgm:
+		lmg	%r0,%r15,gprregs-.base(%r13)
 	.top:
 		lghi	%r7,4096	#load PAGE_SIZE in r7
 		lghi	%r9,4096	#load PAGE_SIZE in r9
@@ -62,6 +89,10 @@
 		o	%r3,4(%r4)	#or load address into psw
 		st	%r3,4(%r4)
 		mvc     0(8,%r0),0(%r4)	#copy psw to absolute address 0
+		tm	have_diag308-.base(%r13),0x01
+		jno	.no_diag308
+		diag	%r0,%r0,0x308
+	.no_diag308:
 		sam31			#31 bit mode
 		sr      %r1,%r1		#erase register r1
 		sr      %r2,%r2		#erase register r2
@@ -75,8 +106,18 @@
 		.long	0x00080000,0x80000000
 	sys_msk:
 		.quad	0
+	ctlregs:
+		.rept	16
+		.quad	0
+		.endr
+	gprregs:
+		.rept	16
+		.quad	0
+		.endr
+	have_diag308:
+		.byte	0
+		.align	8
 	relocate_kernel_end:
 	.globl	relocate_kernel_len
 	relocate_kernel_len:
 		.quad	relocate_kernel_end - relocate_kernel
-
diff --git a/arch/s390/kernel/s390_ext.c b/arch/s390/kernel/s390_ext.c
index 3bdd38ec71da..207bc511a6e3 100644
--- a/arch/s390/kernel/s390_ext.c
+++ b/arch/s390/kernel/s390_ext.c
@@ -19,7 +19,6 @@
 #include <asm/irq.h>
 
 /*
- * Simple hash strategy: index = code & 0xff;
  * ext_int_hash[index] is the start of the list for all external interrupts
  * that hash to this index. With the current set of external interrupts 
  * (0x1202 external call, 0x1004 cpu timer, 0x2401 hwc console, 0x4000
@@ -27,6 +26,11 @@
  */
 ext_int_info_t *ext_int_hash[256] = { 0, };
 
+static inline int ext_hash(__u16 code)
+{
+	return (code + (code >> 9)) & 0xff;
+}
+
 int register_external_interrupt(__u16 code, ext_int_handler_t handler)
 {
         ext_int_info_t *p;
@@ -37,7 +41,7 @@ int register_external_interrupt(__u16 code, ext_int_handler_t handler)
                 return -ENOMEM;
         p->code = code;
         p->handler = handler;
-        index = code & 0xff;
+	index = ext_hash(code);
         p->next = ext_int_hash[index];
         ext_int_hash[index] = p;
         return 0;
@@ -52,7 +56,7 @@ int register_early_external_interrupt(__u16 code, ext_int_handler_t handler,
                 return -EINVAL;
         p->code = code;
         p->handler = handler;
-        index = code & 0xff;
+	index = ext_hash(code);
         p->next = ext_int_hash[index];
         ext_int_hash[index] = p;
         return 0;
@@ -63,7 +67,7 @@ int unregister_external_interrupt(__u16 code, ext_int_handler_t handler)
         ext_int_info_t *p, *q;
         int index;
 
-        index = code & 0xff;
+	index = ext_hash(code);
         q = NULL;
         p = ext_int_hash[index];
         while (p != NULL) {
@@ -90,7 +94,7 @@ int unregister_early_external_interrupt(__u16 code, ext_int_handler_t handler,
 
 	if (p == NULL || p->code != code || p->handler != handler)
 		return -EINVAL;
-	index = code & 0xff;
+	index = ext_hash(code);
 	q = ext_int_hash[index];
 	if (p != q) {
 		while (q != NULL) {
@@ -120,7 +124,7 @@ void do_extint(struct pt_regs *regs, unsigned short code)
 		 */
 		account_ticks(regs);
 	kstat_cpu(smp_processor_id()).irqs[EXTERNAL_INTERRUPT]++;
-        index = code & 0xff;
+        index = ext_hash(code);
 	for (p = ext_int_hash[index]; p; p = p->next) {
 		if (likely(p->code == code)) {
 			if (likely(p->handler))
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index a12183989a79..5ba5a5485da9 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -431,12 +431,6 @@ setup_lowcore(void)
 		ctl_set_bit(14, 29);
 	}
 #endif
-#ifdef CONFIG_ARCH_S390X
-	if (MACHINE_HAS_DIAG44)
-		lc->diag44_opcode = 0x83000044;
-	else
-		lc->diag44_opcode = 0x07000700;
-#endif /* CONFIG_ARCH_S390X */
 	set_prefix((u32)(unsigned long) lc);
 }
 
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 642572a8e334..85222fee4361 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -375,7 +375,7 @@ static void smp_ext_bitcall(int cpu, ec_bit_sig sig)
          * Set signaling bit in lowcore of target cpu and kick it
          */
 	set_bit(sig, (unsigned long *) &lowcore_ptr[cpu]->ext_call_fast);
-	while(signal_processor(cpu, sigp_external_call) == sigp_busy)
+	while(signal_processor(cpu, sigp_emergency_signal) == sigp_busy)
 		udelay(10);
 }
 
@@ -394,7 +394,7 @@ static void smp_ext_bitcall_others(ec_bit_sig sig)
                  * Set signaling bit in lowcore of target cpu and kick it
                  */
 		set_bit(sig, (unsigned long *) &lowcore_ptr[cpu]->ext_call_fast);
-		while (signal_processor(cpu, sigp_external_call) == sigp_busy)
+		while (signal_processor(cpu, sigp_emergency_signal) == sigp_busy)
 			udelay(10);
         }
 }
@@ -537,7 +537,8 @@ int __devinit start_secondary(void *cpuvoid)
 #endif
 #ifdef CONFIG_PFAULT
 	/* Enable pfault pseudo page faults on this cpu. */
-	pfault_init();
+	if (MACHINE_IS_VM)
+		pfault_init();
 #endif
 	/* Mark this cpu as online */
 	cpu_set(smp_processor_id(), cpu_online_map);
@@ -690,7 +691,8 @@ __cpu_disable(void)
 
 #ifdef CONFIG_PFAULT
 	/* Disable pfault pseudo page faults on this cpu. */
-	pfault_fini();
+	if (MACHINE_IS_VM)
+		pfault_fini();
 #endif
 
 	/* disable all external interrupts */
@@ -751,9 +753,9 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 	unsigned int cpu;
         int i;
 
-        /* request the 0x1202 external interrupt */
-        if (register_external_interrupt(0x1202, do_ext_call_interrupt) != 0)
-                panic("Couldn't request external interrupt 0x1202");
+        /* request the 0x1201 emergency signal external interrupt */
+        if (register_external_interrupt(0x1201, do_ext_call_interrupt) != 0)
+                panic("Couldn't request external interrupt 0x1201");
         smp_check_cpus(max_cpus);
         memset(lowcore_ptr,0,sizeof(lowcore_ptr));  
         /*
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index a8668afb5f87..426d7cafdab3 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -290,3 +290,8 @@ SYSCALL(sys_add_key,sys_add_key,compat_sys_add_key_wrapper)
 SYSCALL(sys_request_key,sys_request_key,compat_sys_request_key_wrapper)
 SYSCALL(sys_keyctl,sys_keyctl,compat_sys_keyctl)		/* 280 */
 SYSCALL(sys_waitid,sys_waitid,compat_sys_waitid_wrapper)
+SYSCALL(sys_ioprio_set,sys_ioprio_set,sys_ioprio_set_wrapper)
+SYSCALL(sys_ioprio_get,sys_ioprio_get,sys_ioprio_get_wrapper)
+SYSCALL(sys_inotify_init,sys_inotify_init,sys_inotify_init)
+SYSCALL(sys_inotify_add_watch,sys_inotify_add_watch,sys_inotify_add_watch_wrapper)
+SYSCALL(sys_inotify_rm_watch,sys_inotify_rm_watch,sys_inotify_rm_watch_wrapper)
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index bc7b7be7acbe..6b8703ec2ae6 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -29,6 +29,7 @@
 #include <linux/delay.h>
 #include <linux/module.h>
 #include <linux/kallsyms.h>
+#include <linux/reboot.h>
 
 #include <asm/system.h>
 #include <asm/uaccess.h>
@@ -675,6 +676,19 @@ asmlinkage void kernel_stack_overflow(struct pt_regs * regs)
 	panic("Corrupt kernel stack, can't continue.");
 }
 
+#ifndef CONFIG_ARCH_S390X
+static int
+pagex_reboot_event(struct notifier_block *this, unsigned long event, void *ptr)
+{
+	if (MACHINE_IS_VM)
+		cpcmd("SET PAGEX OFF", NULL, 0, NULL);
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block pagex_reboot_notifier = {
+	.notifier_call = &pagex_reboot_event,
+};
+#endif
 
 /* init is done in lowcore.S and head.S */
 
@@ -735,6 +749,7 @@ void __init trap_init(void)
 						    &ext_int_pfault);
 #endif
 #ifndef CONFIG_ARCH_S390X
+		register_reboot_notifier(&pagex_reboot_notifier);
 		cpcmd("SET PAGEX ON", NULL, 0, NULL);
 #endif
 	}
diff --git a/arch/s390/lib/Makefile b/arch/s390/lib/Makefile
index a8758b1d20a9..b701efa1f00e 100644
--- a/arch/s390/lib/Makefile
+++ b/arch/s390/lib/Makefile
@@ -5,5 +5,5 @@
 EXTRA_AFLAGS := -traditional
 
 lib-y += delay.o string.o
-lib-$(CONFIG_ARCH_S390_31) += uaccess.o
-lib-$(CONFIG_ARCH_S390X) += uaccess64.o
+lib-$(CONFIG_ARCH_S390_31) += uaccess.o spinlock.o
+lib-$(CONFIG_ARCH_S390X) += uaccess64.o spinlock.o
diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c
new file mode 100644
index 000000000000..888b5596c195
--- /dev/null
+++ b/arch/s390/lib/spinlock.c
@@ -0,0 +1,133 @@
+/*
+ *  arch/s390/lib/spinlock.c
+ *    Out of line spinlock code.
+ *
+ *  S390 version
+ *    Copyright (C) 2004 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
+ */
+
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/init.h>
+#include <asm/io.h>
+
+atomic_t spin_retry_counter;
+int spin_retry = 1000;
+
+/**
+ * spin_retry= parameter
+ */
+static int __init spin_retry_setup(char *str)
+{
+	spin_retry = simple_strtoul(str, &str, 0);
+	return 1;
+}
+__setup("spin_retry=", spin_retry_setup);
+
+static inline void
+_diag44(void)
+{
+#ifdef __s390x__
+	if (MACHINE_HAS_DIAG44)
+#endif
+		asm volatile("diag 0,0,0x44");
+}
+
+void
+_raw_spin_lock_wait(spinlock_t *lp, unsigned int pc)
+{
+	int count = spin_retry;
+
+	while (1) {
+		if (count-- <= 0) {
+			_diag44();
+			count = spin_retry;
+		}
+		atomic_inc(&spin_retry_counter);
+		if (_raw_compare_and_swap(&lp->lock, 0, pc) == 0)
+			return;
+	}
+}
+EXPORT_SYMBOL(_raw_spin_lock_wait);
+
+int
+_raw_spin_trylock_retry(spinlock_t *lp, unsigned int pc)
+{
+	int count = spin_retry;
+
+	while (count-- > 0) {
+		atomic_inc(&spin_retry_counter);
+		if (_raw_compare_and_swap(&lp->lock, 0, pc) == 0)
+			return 1;
+	}
+	return 0;
+}
+EXPORT_SYMBOL(_raw_spin_trylock_retry);
+
+void
+_raw_read_lock_wait(rwlock_t *rw)
+{
+	unsigned int old;
+	int count = spin_retry;
+
+	while (1) {
+		if (count-- <= 0) {
+			_diag44();
+			count = spin_retry;
+		}
+		atomic_inc(&spin_retry_counter);
+		old = rw->lock & 0x7fffffffU;
+		if (_raw_compare_and_swap(&rw->lock, old, old + 1) == old)
+			return;
+	}
+}
+EXPORT_SYMBOL(_raw_read_lock_wait);
+
+int
+_raw_read_trylock_retry(rwlock_t *rw)
+{
+	unsigned int old;
+	int count = spin_retry;
+
+	while (count-- > 0) {
+		atomic_inc(&spin_retry_counter);
+		old = rw->lock & 0x7fffffffU;
+		if (_raw_compare_and_swap(&rw->lock, old, old + 1) == old)
+			return 1;
+	}
+	return 0;
+}
+EXPORT_SYMBOL(_raw_read_trylock_retry);
+
+void
+_raw_write_lock_wait(rwlock_t *rw)
+{
+	int count = spin_retry;
+
+	while (1) {
+		if (count-- <= 0) {
+			_diag44();
+			count = spin_retry;
+		}
+		atomic_inc(&spin_retry_counter);
+		if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0)
+			return;
+	}
+}
+EXPORT_SYMBOL(_raw_write_lock_wait);
+
+int
+_raw_write_trylock_retry(rwlock_t *rw)
+{
+	int count = spin_retry;
+
+	while (count-- > 0) {
+		atomic_inc(&spin_retry_counter);
+		if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000) == 0)
+			return 1;
+	}
+	return 0;
+}
+EXPORT_SYMBOL(_raw_write_trylock_retry);
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-10-18 00:02:11 +0000