Please pull git390 'for-linus' branch

From: Martin Schwidefsky
Date: Wed Oct 04 2006 - 14:05:44 EST

Please pull from 'for-linus' branch of

git://git390.osdl.marist.edu/pub/scm/linux-2.6.git for-linus

to receive the following updates:

arch/s390/Kconfig | 3 ++
arch/s390/defconfig | 57 +++++++++++++++++++++++++++++--------
arch/s390/kernel/compat_wrapper.S | 7 +++++
arch/s390/kernel/head31.S | 8 +++--
arch/s390/kernel/head64.S | 12 ++++----
arch/s390/kernel/setup.c | 55 ++++++++----------------------------
arch/s390/kernel/signal.c | 17 +++++------
arch/s390/kernel/syscalls.S | 2 +
arch/s390/mm/init.c | 45 ++++++++++-------------------
drivers/s390/cio/device_fsm.c | 2 +
drivers/s390/cio/device_ops.c | 14 ++++++---
drivers/s390/cio/device_pgid.c | 8 +++++
drivers/s390/crypto/ap_bus.c | 23 ++++++++-------
include/asm-s390/io.h | 5 ---
include/asm-s390/page.h | 1 +
include/asm-s390/pgalloc.h | 2 +
include/asm-s390/pgtable.h | 18 ++++++------
include/asm-s390/spinlock.h | 4 +--
include/asm-s390/unistd.h | 4 ++-
19 files changed, 151 insertions(+), 136 deletions(-)

Cornelia Huck:
[S390] Add timeouts during sense PGID, path verification and disband PGID.

Heiko Carstens:
[S390] Wire up sys_getcpu system call.
[S390] Remove crept in whitespace from head*.S again.
[S390] Have s390 use add_active_range() and free_area_init_nodes.
[S390] Remove open-coded mem_map usage.

Martin Schwidefsky:
[S390] update default configuration
[S390] user-copy optimization fallout.
[S390] incorrect placement of include.

Peter Oberparleiter:
[S390] cio: add timeout handler for internal operations.
[S390] cio: improve unit check handling for internal operations

Ralph Wuerthner:
[S390] zcrypt device registration/unregistration race.

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index f900a51..51c2dfe 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -233,6 +233,9 @@ config WARN_STACK_SIZE
This allows you to specify the maximum frame size a function may
have without the compiler complaining about it.

+config ARCH_POPULATES_NODE_MAP
+ def_bool y
+
source "mm/Kconfig"

comment "I/O subsystem configuration"
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index 35da539..b6cad75 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18-rc2
-# Thu Jul 27 13:51:07 2006
+# Linux kernel version: 2.6.18
+# Wed Oct 4 19:45:46 2006
#
CONFIG_MMU=y
CONFIG_LOCKDEP_SUPPORT=y
@@ -26,10 +26,11 @@ CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
+# CONFIG_IPC_NS is not set
CONFIG_POSIX_MQUEUE=y
# CONFIG_BSD_PROCESS_ACCT is not set
# CONFIG_TASKSTATS is not set
-CONFIG_SYSCTL=y
+# CONFIG_UTS_NS is not set
CONFIG_AUDIT=y
# CONFIG_AUDITSYSCALL is not set
CONFIG_IKCONFIG=y
@@ -38,7 +39,9 @@ # CONFIG_CPUSETS is not set
# CONFIG_RELAY is not set
CONFIG_INITRAMFS_SOURCE=""
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
# CONFIG_EMBEDDED is not set
+# CONFIG_SYSCTL_SYSCALL is not set
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
# CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -47,12 +50,12 @@ CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
CONFIG_BASE_FULL=y
-CONFIG_RT_MUTEXES=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_SHMEM=y
CONFIG_SLAB=y
CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_RT_MUTEXES=y
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
# CONFIG_SLOB is not set
@@ -71,6 +74,7 @@ CONFIG_STOP_MACHINE=y
#
# Block layer
#
+CONFIG_BLOCK=y
# CONFIG_BLK_DEV_IO_TRACE is not set

#
@@ -100,6 +104,7 @@ CONFIG_HOTPLUG_CPU=y
CONFIG_DEFAULT_MIGRATION_COST=1000000
CONFIG_COMPAT=y
CONFIG_SYSVIPC_COMPAT=y
+CONFIG_AUDIT_ARCH=y

#
# Code generation options
@@ -107,11 +112,13 @@ #
# CONFIG_MARCH_G5 is not set
CONFIG_MARCH_Z900=y
# CONFIG_MARCH_Z990 is not set
+# CONFIG_MARCH_Z9_109 is not set
CONFIG_PACK_STACK=y
# CONFIG_SMALL_STACK is not set
CONFIG_CHECK_STACK=y
CONFIG_STACK_GUARD=256
# CONFIG_WARN_STACK is not set
+CONFIG_ARCH_POPULATES_NODE_MAP=y
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
# CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -165,6 +172,7 @@ # CONFIG_PACKET_MMAP is not set
CONFIG_UNIX=y
CONFIG_XFRM=y
# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
CONFIG_NET_KEY=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
@@ -183,21 +191,28 @@ # CONFIG_INET_XFRM_TUNNEL is not set
# CONFIG_INET_TUNNEL is not set
CONFIG_INET_XFRM_MODE_TRANSPORT=y
CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_TCP_CONG_ADVANCED is not set
-CONFIG_TCP_CONG_BIC=y
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
CONFIG_IPV6=y
# CONFIG_IPV6_PRIVACY is not set
# CONFIG_IPV6_ROUTER_PREF is not set
# CONFIG_INET6_AH is not set
# CONFIG_INET6_ESP is not set
# CONFIG_INET6_IPCOMP is not set
+# CONFIG_IPV6_MIP6 is not set
# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET6_TUNNEL is not set
CONFIG_INET6_XFRM_MODE_TRANSPORT=y
CONFIG_INET6_XFRM_MODE_TUNNEL=y
+CONFIG_INET6_XFRM_MODE_BEET=y
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
# CONFIG_IPV6_TUNNEL is not set
+# CONFIG_IPV6_SUBTREES is not set
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
# CONFIG_NETWORK_SECMARK is not set
# CONFIG_NETFILTER is not set

@@ -224,7 +239,6 @@ # 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

@@ -301,6 +315,7 @@ # SCSI device support
#
# CONFIG_RAID_ATTRS is not set
CONFIG_SCSI=y
+CONFIG_SCSI_NETLINK=y
CONFIG_SCSI_PROC_FS=y

#
@@ -322,18 +337,18 @@ CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_LOGGING=y

#
-# SCSI Transport Attributes
+# SCSI Transports
#
# CONFIG_SCSI_SPI_ATTRS is not set
CONFIG_SCSI_FC_ATTRS=y
# CONFIG_SCSI_ISCSI_ATTRS is not set
# CONFIG_SCSI_SAS_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set

#
# SCSI low-level drivers
#
# CONFIG_ISCSI_TCP is not set
-# CONFIG_SCSI_SATA is not set
# CONFIG_SCSI_DEBUG is not set
CONFIG_ZFCP=y
CONFIG_CCW=y
@@ -378,6 +393,7 @@ # CONFIG_MD_RAID456 is not set
CONFIG_MD_MULTIPATH=m
# CONFIG_MD_FAULTY is not set
CONFIG_BLK_DEV_DM=y
+# CONFIG_DM_DEBUG is not set
CONFIG_DM_CRYPT=y
CONFIG_DM_SNAPSHOT=y
CONFIG_DM_MIRROR=y
@@ -487,14 +503,12 @@ CONFIG_IUCV=m
# CONFIG_NETIUCV is not set
# CONFIG_SMSGIUCV is not set
# CONFIG_CLAW is not set
-# CONFIG_MPC is not set
CONFIG_QETH=y

#
# Gigabit Ethernet default settings
#
# CONFIG_QETH_IPV6 is not set
-# CONFIG_QETH_PERF_STATS is not set
CONFIG_CCWGROUP=y
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
@@ -518,8 +532,9 @@ # CONFIG_JBD_DEBUG is not set
CONFIG_FS_MBCACHE=y
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
-# CONFIG_FS_POSIX_ACL is not set
+CONFIG_FS_POSIX_ACL=y
# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_ROMFS_FS is not set
@@ -549,8 +564,10 @@ # Pseudo filesystems
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
# CONFIG_HUGETLB_PAGE is not set
CONFIG_RAMFS=y
# CONFIG_CONFIGFS_FS is not set
@@ -598,6 +615,7 @@ # CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_AFS_FS is not set
# CONFIG_9P_FS is not set
+CONFIG_GENERIC_ACL=y

#
# Partition Types
@@ -627,10 +645,17 @@ #
# CONFIG_NLS is not set

#
+# Distributed Lock Manager
+#
+
+#
# Instrumentation Support
#
+
+#
+# Profiling support
+#
# CONFIG_PROFILING is not set
-CONFIG_STATISTICS=y
CONFIG_KPROBES=y

#
@@ -638,6 +663,7 @@ # Kernel hacking
#
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_MUST_CHECK=y
CONFIG_MAGIC_SYSRQ=y
# CONFIG_UNUSED_SYMBOLS is not set
CONFIG_DEBUG_KERNEL=y
@@ -659,10 +685,12 @@ # CONFIG_DEBUG_KOBJECT is not set
# CONFIG_DEBUG_INFO is not set
CONFIG_DEBUG_FS=y
# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_LIST is not set
# CONFIG_FRAME_POINTER is not set
# CONFIG_UNWIND_INFO is not set
CONFIG_FORCED_INLINING=y
# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_LKDTM is not set

#
# Security options
@@ -674,6 +702,9 @@ #
# Cryptographic options
#
CONFIG_CRYPTO=y
+CONFIG_CRYPTO_ALGAPI=m
+CONFIG_CRYPTO_BLKCIPHER=m
+CONFIG_CRYPTO_MANAGER=m
# CONFIG_CRYPTO_HMAC is not set
# CONFIG_CRYPTO_NULL is not set
# CONFIG_CRYPTO_MD4 is not set
@@ -685,6 +716,8 @@ # CONFIG_CRYPTO_SHA256_S390 is not set
# CONFIG_CRYPTO_SHA512 is not set
# CONFIG_CRYPTO_WP512 is not set
# CONFIG_CRYPTO_TGR192 is not set
+CONFIG_CRYPTO_ECB=m
+CONFIG_CRYPTO_CBC=m
# CONFIG_CRYPTO_DES is not set
# CONFIG_CRYPTO_DES_S390 is not set
# CONFIG_CRYPTO_BLOWFISH is not set
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 4aabeea..cb0efae 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1658,3 +1658,10 @@ compat_sys_vmsplice_wrapper:
llgfr %r4,%r4 # unsigned int
llgfr %r5,%r5 # unsigned int
jg compat_sys_vmsplice
+
+ .globl sys_getcpu_wrapper
+sys_getcpu_wrapper:
+ llgtr %r2,%r2 # unsigned *
+ llgtr %r3,%r3 # unsigned *
+ llgtr %r4,%r4 # struct getcpu_cache *
+ jg sys_tee
diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S
index 1b952a3..0a2c929 100644
--- a/arch/s390/kernel/head31.S
+++ b/arch/s390/kernel/head31.S
@@ -258,10 +258,10 @@ #
# find out if the diag 0x9c is available
#
mvc __LC_PGM_NEW_PSW(8),.Lpcdiag9c-.LPG1(%r13)
- stap __LC_CPUID+4 # store cpu address
- lh %r1,__LC_CPUID+4
- diag %r1,0,0x9c # test diag 0x9c
- oi 2(%r12),1 # set diag9c flag
+ stap __LC_CPUID+4 # store cpu address
+ lh %r1,__LC_CPUID+4
+ diag %r1,0,0x9c # test diag 0x9c
+ oi 2(%r12),1 # set diag9c flag
.Lchkdiag9c:

lpsw .Lentry-.LPG1(13) # jump to _stext in primary-space,
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index b30e589..42f54d4 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -253,12 +253,12 @@ #
#
# find out if the diag 0x9c is available
#
- la %r1,0f-.LPG1(%r13) # set program check address
- stg %r1,__LC_PGM_NEW_PSW+8
- stap __LC_CPUID+4 # store cpu address
- lh %r1,__LC_CPUID+4
- diag %r1,0,0x9c # test diag 0x9c
- oi 6(%r12),1 # set diag9c flag
+ la %r1,0f-.LPG1(%r13) # set program check address
+ stg %r1,__LC_PGM_NEW_PSW+8
+ stap __LC_CPUID+4 # store cpu address
+ lh %r1,__LC_CPUID+4
+ diag %r1,0,0x9c # test diag 0x9c
+ oi 6(%r12),1 # set diag9c flag
0:

#
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index a21cfbb..49f2b68 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -70,7 +70,6 @@ struct {
#define CHUNK_READ_WRITE 0
#define CHUNK_READ_ONLY 1
volatile int __cpu_logical_map[NR_CPUS]; /* logical cpu to cpu address */
-unsigned long __initdata zholes_size[MAX_NR_ZONES];
static unsigned long __initdata memory_end;

/*
@@ -358,21 +357,6 @@ void machine_power_off(void)
*/
void (*pm_power_off)(void) = machine_power_off;

-static void __init
-add_memory_hole(unsigned long start, unsigned long end)
-{
- unsigned long dma_pfn = MAX_DMA_ADDRESS >> PAGE_SHIFT;
-
- if (end <= dma_pfn)
- zholes_size[ZONE_DMA] += end - start + 1;
- else if (start > dma_pfn)
- zholes_size[ZONE_NORMAL] += end - start + 1;
- else {
- zholes_size[ZONE_DMA] += dma_pfn - start + 1;
- zholes_size[ZONE_NORMAL] += end - dma_pfn;
- }
-}
-
static int __init early_parse_mem(char *p)
{
memory_end = memparse(p, &p);
@@ -494,7 +478,6 @@ setup_memory(void)
{
unsigned long bootmap_size;
unsigned long start_pfn, end_pfn, init_pfn;
- unsigned long last_rw_end;
int i;

/*
@@ -543,46 +526,34 @@ #ifdef CONFIG_BLK_DEV_INITRD
#endif

/*
- * Initialize the boot-time allocator (with low memory only):
+ * Initialize the boot-time allocator
*/
bootmap_size = init_bootmem(start_pfn, end_pfn);

/*
* Register RAM areas with the bootmem allocator.
*/
- last_rw_end = start_pfn;

for (i = 0; i < MEMORY_CHUNKS && memory_chunk[i].size > 0; i++) {
- unsigned long start_chunk, end_chunk;
+ unsigned long start_chunk, end_chunk, pfn;

if (memory_chunk[i].type != CHUNK_READ_WRITE)
continue;
- start_chunk = (memory_chunk[i].addr + PAGE_SIZE - 1);
- start_chunk >>= PAGE_SHIFT;
- end_chunk = (memory_chunk[i].addr + memory_chunk[i].size);
- end_chunk >>= PAGE_SHIFT;
- if (start_chunk < start_pfn)
- start_chunk = start_pfn;
- if (end_chunk > end_pfn)
- end_chunk = end_pfn;
- if (start_chunk < end_chunk) {
- /* Initialize storage key for RAM pages */
- for (init_pfn = start_chunk ; init_pfn < end_chunk;
- init_pfn++)
- page_set_storage_key(init_pfn << PAGE_SHIFT,
- PAGE_DEFAULT_KEY);
- free_bootmem(start_chunk << PAGE_SHIFT,
- (end_chunk - start_chunk) << PAGE_SHIFT);
- if (last_rw_end < start_chunk)
- add_memory_hole(last_rw_end, start_chunk - 1);
- last_rw_end = end_chunk;
- }
+ start_chunk = PFN_DOWN(memory_chunk[i].addr);
+ end_chunk = start_chunk + PFN_DOWN(memory_chunk[i].size) - 1;
+ end_chunk = min(end_chunk, end_pfn);
+ if (start_chunk >= end_chunk)
+ continue;
+ add_active_range(0, start_chunk, end_chunk);
+ pfn = max(start_chunk, start_pfn);
+ for (; pfn <= end_chunk; pfn++)
+ page_set_storage_key(PFN_PHYS(pfn), PAGE_DEFAULT_KEY);
}

psw_set_key(PAGE_DEFAULT_KEY);

- if (last_rw_end < end_pfn - 1)
- add_memory_hole(last_rw_end, end_pfn - 1);
+ free_bootmem_with_active_regions(0, max_pfn);
+ reserve_bootmem(0, PFN_PHYS(start_pfn));

/*
* Reserve the bootmem bitmap itself as well. We do this in two
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 642095e..4392a77 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -113,17 +113,15 @@ sys_sigaltstack(const stack_t __user *us
/* Returns non-zero on fault. */
static int save_sigregs(struct pt_regs *regs, _sigregs __user *sregs)
{
- unsigned long old_mask = regs->psw.mask;
_sigregs user_sregs;

save_access_regs(current->thread.acrs);

/* Copy a 'clean' PSW mask to the user to avoid leaking
information about whether PER is currently on. */
- regs->psw.mask = PSW_MASK_MERGE(PSW_USER_BITS, regs->psw.mask);
- memcpy(&user_sregs.regs.psw, &regs->psw, sizeof(sregs->regs.psw) +
- sizeof(sregs->regs.gprs));
- regs->psw.mask = old_mask;
+ user_sregs.regs.psw.mask = PSW_MASK_MERGE(PSW_USER_BITS, regs->psw.mask);
+ user_sregs.regs.psw.addr = regs->psw.addr;
+ memcpy(&user_sregs.regs.gprs, &regs->gprs, sizeof(sregs->regs.gprs));
memcpy(&user_sregs.regs.acrs, current->thread.acrs,
sizeof(sregs->regs.acrs));
/*
@@ -139,7 +137,6 @@ static int save_sigregs(struct pt_regs *
/* Returns positive number on error */
static int restore_sigregs(struct pt_regs *regs, _sigregs __user *sregs)
{
- unsigned long old_mask = regs->psw.mask;
int err;
_sigregs user_sregs;

@@ -147,12 +144,12 @@ static int restore_sigregs(struct pt_reg
current_thread_info()->restart_block.fn = do_no_restart_syscall;

err = __copy_from_user(&user_sregs, sregs, sizeof(_sigregs));
- regs->psw.mask = PSW_MASK_MERGE(old_mask, regs->psw.mask);
- regs->psw.addr |= PSW_ADDR_AMODE;
if (err)
return err;
- memcpy(&regs->psw, &user_sregs.regs.psw, sizeof(sregs->regs.psw) +
- sizeof(sregs->regs.gprs));
+ regs->psw.mask = PSW_MASK_MERGE(regs->psw.mask,
+ user_sregs.regs.psw.mask);
+ regs->psw.addr = PSW_ADDR_AMODE | user_sregs.regs.psw.addr;
+ memcpy(&regs->gprs, &user_sregs.regs.gprs, sizeof(sregs->regs.gprs));
memcpy(&current->thread.acrs, &user_sregs.regs.acrs,
sizeof(sregs->regs.acrs));
restore_access_regs(current->thread.acrs);
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 93be1d5..e59baec 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -318,3 +318,5 @@ SYSCALL(sys_splice,sys_splice,sys_splice
SYSCALL(sys_sync_file_range,sys_sync_file_range,sys_sync_file_range_wrapper)
SYSCALL(sys_tee,sys_tee,sys_tee_wrapper)
SYSCALL(sys_vmsplice,sys_vmsplice,compat_sys_vmsplice_wrapper)
+NI_SYSCALL /* 310 sys_move_pages */
+SYSCALL(sys_getcpu,sys_getcpu,sys_getcpu_wrapper)
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 127044e..d998917 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -62,19 +62,21 @@ void show_mem(void)
{
int i, total = 0, reserved = 0;
int shared = 0, cached = 0;
+ struct page *page;

printk("Mem-info:\n");
show_free_areas();
printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
i = max_mapnr;
while (i-- > 0) {
+ page = pfn_to_page(i);
total++;
- if (PageReserved(mem_map+i))
+ if (PageReserved(page))
reserved++;
- else if (PageSwapCache(mem_map+i))
+ else if (PageSwapCache(page))
cached++;
- else if (page_count(mem_map+i))
- shared += page_count(mem_map+i) - 1;
+ else if (page_count(page))
+ shared += page_count(page) - 1;
}
printk("%d pages of RAM\n",total);
printk("%d reserved pages\n",reserved);
@@ -82,7 +84,6 @@ void show_mem(void)
printk("%d pages swap cached\n",cached);
}

-extern unsigned long __initdata zholes_size[];
/*
* paging_init() sets up the page tables
*/
@@ -99,16 +100,15 @@ void __init paging_init(void)
unsigned long pgdir_k = (__pa(swapper_pg_dir) & PAGE_MASK) | _KERNSEG_TABLE;
static const int ssm_mask = 0x04000000L;
unsigned long ro_start_pfn, ro_end_pfn;
- unsigned long zones_size[MAX_NR_ZONES];
+ unsigned long max_zone_pfns[MAX_NR_ZONES];

ro_start_pfn = PFN_DOWN((unsigned long)&__start_rodata);
ro_end_pfn = PFN_UP((unsigned long)&__end_rodata);

- memset(zones_size, 0, sizeof(zones_size));
- zones_size[ZONE_DMA] = max_low_pfn;
- free_area_init_node(0, &contig_page_data, zones_size,
- __pa(PAGE_OFFSET) >> PAGE_SHIFT,
- zholes_size);
+ memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
+ max_zone_pfns[ZONE_DMA] = max_low_pfn;
+ max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
+ free_area_init_nodes(max_zone_pfns);

/* unmap whole virtual address space */

@@ -153,7 +153,6 @@ void __init paging_init(void)
__raw_local_irq_ssm(ssm_mask);

local_flush_tlb();
- return;
}

#else /* CONFIG_64BIT */
@@ -169,26 +168,16 @@ void __init paging_init(void)
unsigned long pgdir_k = (__pa(swapper_pg_dir) & PAGE_MASK) |
_KERN_REGION_TABLE;
static const int ssm_mask = 0x04000000L;
- unsigned long zones_size[MAX_NR_ZONES];
- unsigned long dma_pfn, high_pfn;
unsigned long ro_start_pfn, ro_end_pfn;
+ unsigned long max_zone_pfns[MAX_NR_ZONES];

- memset(zones_size, 0, sizeof(zones_size));
- dma_pfn = MAX_DMA_ADDRESS >> PAGE_SHIFT;
- high_pfn = max_low_pfn;
ro_start_pfn = PFN_DOWN((unsigned long)&__start_rodata);
ro_end_pfn = PFN_UP((unsigned long)&__end_rodata);

- if (dma_pfn > high_pfn)
- zones_size[ZONE_DMA] = high_pfn;
- else {
- zones_size[ZONE_DMA] = dma_pfn;
- zones_size[ZONE_NORMAL] = high_pfn - dma_pfn;
- }
-
- /* Initialize mem_map[]. */
- free_area_init_node(0, &contig_page_data, zones_size,
- __pa(PAGE_OFFSET) >> PAGE_SHIFT, zholes_size);
+ memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
+ max_zone_pfns[ZONE_DMA] = PFN_DOWN(MAX_DMA_ADDRESS);
+ max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
+ free_area_init_nodes(max_zone_pfns);

/*
* map whole physical memory to virtual memory (identity mapping)
@@ -237,8 +226,6 @@ void __init paging_init(void)
__raw_local_irq_ssm(ssm_mask);

local_flush_tlb();
-
- return;
}
#endif /* CONFIG_64BIT */

diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index dace46f..b676202 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -349,6 +349,8 @@ ccw_device_done(struct ccw_device *cdev,

sch = to_subchannel(cdev->dev.parent);

+ ccw_device_set_timeout(cdev, 0);
+
if (state != DEV_STATE_ONLINE)
cio_disable_subchannel(sch);

diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index 93a897e..84b9b18 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -216,6 +216,9 @@ ccw_device_call_handler(struct ccw_devic
(stctl & SCSW_STCTL_PRIM_STATUS)))
return 0;

+ /* Clear pending timers for device driver initiated I/O. */
+ if (ending_status)
+ ccw_device_set_timeout(cdev, 0);
/*
* Now we are ready to call the device driver interrupt handler.
*/
@@ -285,10 +288,10 @@ ccw_device_wake_up(struct ccw_device *cd
if (cdev->private->flags.doverify ||
cdev->private->state == DEV_STATE_VERIFY)
cdev->private->intparm = -EAGAIN;
- if ((irb->scsw.dstat & DEV_STAT_UNIT_CHECK) &&
- !(irb->ecw[0] &
- (SNS0_CMD_REJECT | SNS0_INTERVENTION_REQ)))
- cdev->private->intparm = -EAGAIN;
+ else if ((irb->scsw.dstat & DEV_STAT_UNIT_CHECK) &&
+ !(irb->ecw[0] &
+ (SNS0_CMD_REJECT | SNS0_INTERVENTION_REQ)))
+ cdev->private->intparm = -EAGAIN;
else if ((irb->scsw.dstat & DEV_STAT_ATTENTION) &&
(irb->scsw.dstat & DEV_STAT_DEV_END) &&
(irb->scsw.dstat & DEV_STAT_UNIT_EXCEP))
@@ -309,7 +312,10 @@ __ccw_device_retry_loop(struct ccw_devic

sch = to_subchannel(cdev->dev.parent);
do {
+ ccw_device_set_timeout(cdev, 60 * HZ);
ret = cio_start (sch, ccw, lpm);
+ if (ret != 0)
+ ccw_device_set_timeout(cdev, 0);
if (ret == -EBUSY) {
/* Try again later. */
spin_unlock_irq(&sch->lock);
diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c
index 8ca2d07..84917b3 100644
--- a/drivers/s390/cio/device_pgid.c
+++ b/drivers/s390/cio/device_pgid.c
@@ -96,6 +96,9 @@ ccw_device_sense_pgid_start(struct ccw_d
{
int ret;

+ /* Set a timeout of 60s */
+ ccw_device_set_timeout(cdev, 60*HZ);
+
cdev->private->state = DEV_STATE_SENSE_PGID;
cdev->private->imask = 0x80;
cdev->private->iretry = 5;
@@ -480,6 +483,8 @@ ccw_device_verify_start(struct ccw_devic
ccw_device_verify_done(cdev, -ENODEV);
return;
}
+ /* After 60s path verification is considered to have failed. */
+ ccw_device_set_timeout(cdev, 60*HZ);
__ccw_device_verify_start(cdev);
}

@@ -554,6 +559,9 @@ ccw_device_disband_irq(struct ccw_device
void
ccw_device_disband_start(struct ccw_device *cdev)
{
+ /* After 60s disbanding is considered to have failed. */
+ ccw_device_set_timeout(cdev, 60*HZ);
+
cdev->private->flags.pgid_single = 0;
cdev->private->iretry = 5;
cdev->private->imask = 0x80;
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 6ed0985..cd30f37 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -449,8 +449,6 @@ static int ap_device_probe(struct device

ap_dev->drv = ap_drv;
rc = ap_drv->probe ? ap_drv->probe(ap_dev) : -ENODEV;
- if (rc)
- ap_dev->unregistered = 1;
return rc;
}

@@ -487,14 +485,7 @@ static int ap_device_remove(struct devic
struct ap_device *ap_dev = to_ap_dev(dev);
struct ap_driver *ap_drv = ap_dev->drv;

- spin_lock_bh(&ap_dev->lock);
- __ap_flush_queue(ap_dev);
- /**
- * set ->unregistered to 1 while holding the lock. This prevents
- * new messages to be put on the queue from now on.
- */
- ap_dev->unregistered = 1;
- spin_unlock_bh(&ap_dev->lock);
+ ap_flush_queue(ap_dev);
if (ap_drv->remove)
ap_drv->remove(ap_dev);
return 0;
@@ -763,6 +754,7 @@ static void ap_scan_bus(void *data)
break;
ap_dev->qid = qid;
ap_dev->queue_depth = queue_depth;
+ ap_dev->unregistered = 1;
spin_lock_init(&ap_dev->lock);
INIT_LIST_HEAD(&ap_dev->pendingq);
INIT_LIST_HEAD(&ap_dev->requestq);
@@ -784,7 +776,12 @@ static void ap_scan_bus(void *data)
/* Add device attributes. */
rc = sysfs_create_group(&ap_dev->device.kobj,
&ap_dev_attr_group);
- if (rc)
+ if (!rc) {
+ spin_lock_bh(&ap_dev->lock);
+ ap_dev->unregistered = 0;
+ spin_unlock_bh(&ap_dev->lock);
+ }
+ else
device_unregister(&ap_dev->device);
}
}
@@ -970,6 +967,8 @@ void ap_queue_message(struct ap_device *
rc = __ap_queue_message(ap_dev, ap_msg);
if (!rc)
wake_up(&ap_poll_wait);
+ if (rc == -ENODEV)
+ ap_dev->unregistered = 1;
} else {
ap_dev->drv->receive(ap_dev, ap_msg, ERR_PTR(-ENODEV));
rc = 0;
@@ -1028,6 +1027,8 @@ static int __ap_poll_all(struct device *
spin_lock(&ap_dev->lock);
if (!ap_dev->unregistered) {
rc = ap_poll_queue(to_ap_dev(dev), (unsigned long *) data);
+ if (rc)
+ ap_dev->unregistered = 1;
} else
rc = 0;
spin_unlock(&ap_dev->lock);
diff --git a/include/asm-s390/io.h b/include/asm-s390/io.h
index 63c78b9..efb7de9 100644
--- a/include/asm-s390/io.h
+++ b/include/asm-s390/io.h
@@ -45,11 +45,6 @@ static inline void * phys_to_virt(unsign
return __io_virt(address);
}

-/*
- * Change "struct page" to physical address.
- */
-#define page_to_phys(page) ((page - mem_map) << PAGE_SHIFT)
-
extern void * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);

static inline void * ioremap (unsigned long offset, unsigned long size)
diff --git a/include/asm-s390/page.h b/include/asm-s390/page.h
index 796c400..363ea76 100644
--- a/include/asm-s390/page.h
+++ b/include/asm-s390/page.h
@@ -137,6 +137,7 @@ #define PAGE_OFFSET 0x0UL
#define __pa(x) (unsigned long)(x)
#define __va(x) (void *)(unsigned long)(x)
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
+#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT)

#define pfn_valid(pfn) ((pfn) < max_mapnr)
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
diff --git a/include/asm-s390/pgalloc.h b/include/asm-s390/pgalloc.h
index 803bc70..28619de 100644
--- a/include/asm-s390/pgalloc.h
+++ b/include/asm-s390/pgalloc.h
@@ -116,7 +116,7 @@ #endif /* __s390x__ */
static inline void
pmd_populate(struct mm_struct *mm, pmd_t *pmd, struct page *page)
{
- pmd_populate_kernel(mm, pmd, (pte_t *)((page-mem_map) << PAGE_SHIFT));
+ pmd_populate_kernel(mm, pmd, (pte_t *)page_to_phys(page));
}

/*
diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index ecdff13..519f0a5 100644
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -599,7 +599,7 @@ #define ptep_set_access_flags(__vma, __a
*/
static inline int page_test_and_clear_dirty(struct page *page)
{
- unsigned long physpage = __pa((page - mem_map) << PAGE_SHIFT);
+ unsigned long physpage = page_to_phys(page);
int skey = page_get_storage_key(physpage);

if (skey & _PAGE_CHANGED)
@@ -612,13 +612,13 @@ static inline int page_test_and_clear_di
*/
static inline int page_test_and_clear_young(struct page *page)
{
- unsigned long physpage = __pa((page - mem_map) << PAGE_SHIFT);
+ unsigned long physpage = page_to_phys(page);
int ccode;

- asm volatile (
- "rrbe 0,%1\n"
- "ipm %0\n"
- "srl %0,28\n"
+ asm volatile(
+ " rrbe 0,%1\n"
+ " ipm %0\n"
+ " srl %0,28\n"
: "=d" (ccode) : "a" (physpage) : "cc" );
return ccode & 2;
}
@@ -636,7 +636,7 @@ static inline pte_t mk_pte_phys(unsigned

static inline pte_t mk_pte(struct page *page, pgprot_t pgprot)
{
- unsigned long physpage = __pa((page - mem_map) << PAGE_SHIFT);
+ unsigned long physpage = page_to_phys(page);

return mk_pte_phys(physpage, pgprot);
}
@@ -664,11 +664,11 @@ #define pte_page(x) pfn_to_page(pte_pfn(

#define pmd_page_vaddr(pmd) (pmd_val(pmd) & PAGE_MASK)

-#define pmd_page(pmd) (mem_map+(pmd_val(pmd) >> PAGE_SHIFT))
+#define pmd_page(pmd) pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)

#define pgd_page_vaddr(pgd) (pgd_val(pgd) & PAGE_MASK)

-#define pgd_page(pgd) (mem_map+(pgd_val(pgd) >> PAGE_SHIFT))
+#define pgd_page(pgd) pfn_to_page(pgd_val(pgd) >> PAGE_SHIFT)

/* to find an entry in a page-table-directory */
#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
diff --git a/include/asm-s390/spinlock.h b/include/asm-s390/spinlock.h
index 6b78af1..3fd4382 100644
--- a/include/asm-s390/spinlock.h
+++ b/include/asm-s390/spinlock.h
@@ -11,10 +11,10 @@
#ifndef __ASM_SPINLOCK_H
#define __ASM_SPINLOCK_H

-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
-
#include <linux/smp.h>

+#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
+
static inline int
_raw_compare_and_swap(volatile unsigned int *lock,
unsigned int old, unsigned int new)
diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h
index 0cccfd8..a19238c 100644
--- a/include/asm-s390/unistd.h
+++ b/include/asm-s390/unistd.h
@@ -247,8 +247,10 @@ #define __NR_splice 306
#define __NR_sync_file_range 307
#define __NR_tee 308
#define __NR_vmsplice 309
+/* Number 310 is reserved for new sys_move_pages */
+#define __NR_getcpu 311

-#define NR_syscalls 310
+#define NR_syscalls 312

/*
* There are some system calls that are not present on 64 bit, some
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/