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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/head.S7
-rw-r--r--arch/s390/kernel/head64.S7
-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/smp.c6
-rw-r--r--arch/s390/kernel/syscalls.S5
-rw-r--r--arch/s390/kernel/traps.c15
11 files changed, 301 insertions, 117 deletions
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index c067435..c9f2f60 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 89850b2..0865251 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 799a98e..23fe94e 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/head.S b/arch/s390/kernel/head.S
index d12cff1..2710e66 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
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index 10bc592..9a8263a 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
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index 2721c3a..5aa71b0 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 d5e4a62..2a25ec7 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 96290cc..8cdb86e 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/smp.c b/arch/s390/kernel/smp.c
index da77f00..85222fe 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -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 */
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index a8668af..426d7ca 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 bc7b7be..6b8703e 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
}
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