diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-12-12 16:48:29 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-12-12 16:48:29 -0800 |
commit | 0e670506668a43e1355b8f10c33d081a676bd521 (patch) | |
tree | 236d238cc234da1e6d375b5c2864cbac836fd71f | |
parent | 238523e1a15874b88955ff9c8f63e35597ae2857 (diff) | |
parent | bf7ececa9b68f4720f1ce344f442435660bcdae7 (diff) | |
download | blackbird-op-linux-0e670506668a43e1355b8f10c33d081a676bd521.tar.gz blackbird-op-linux-0e670506668a43e1355b8f10c33d081a676bd521.zip |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
-rw-r--r-- | arch/ia64/configs/sn2_defconfig | 152 | ||||
-rw-r--r-- | arch/ia64/configs/tiger_defconfig | 74 | ||||
-rw-r--r-- | arch/ia64/ia32/binfmt_elf32.c | 2 | ||||
-rw-r--r-- | arch/ia64/ia32/ia32priv.h | 1 | ||||
-rw-r--r-- | arch/ia64/kernel/process.c | 5 | ||||
-rw-r--r-- | arch/ia64/kernel/salinfo.c | 2 | ||||
-rw-r--r-- | arch/ia64/mm/discontig.c | 4 | ||||
-rw-r--r-- | arch/ia64/sn/kernel/io_init.c | 153 | ||||
-rw-r--r-- | arch/ia64/sn/kernel/sn2/ptc_deadlock.S | 8 | ||||
-rw-r--r-- | include/asm-ia64/ia32.h | 2 | ||||
-rw-r--r-- | include/asm-ia64/local.h | 4 | ||||
-rw-r--r-- | include/asm-ia64/sn/pcidev.h | 20 | ||||
-rw-r--r-- | include/asm-ia64/spinlock.h | 12 |
13 files changed, 336 insertions, 103 deletions
diff --git a/arch/ia64/configs/sn2_defconfig b/arch/ia64/configs/sn2_defconfig index 87cfd31a4a39..e1924cc9687b 100644 --- a/arch/ia64/configs/sn2_defconfig +++ b/arch/ia64/configs/sn2_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.13-rc6 -# Tue Aug 16 14:40:41 2005 +# Linux kernel version: 2.6.15-rc4 +# Fri Dec 2 10:33:48 2005 # # @@ -16,6 +16,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # General setup # CONFIG_LOCALVERSION="" +# CONFIG_LOCALVERSION_AUTO is not set CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y @@ -26,6 +27,7 @@ CONFIG_HOTPLUG=y CONFIG_KOBJECT_UEVENT=y # CONFIG_IKCONFIG is not set CONFIG_CPUSETS=y +CONFIG_INITRAMFS_SOURCE="" # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y @@ -56,11 +58,29 @@ CONFIG_KMOD=y CONFIG_STOP_MACHINE=y # +# Block layer +# + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" + +# # Processor type and features # CONFIG_IA64=y CONFIG_64BIT=y CONFIG_MMU=y +CONFIG_SWIOTLB=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_TIME_INTERPOLATION=y @@ -68,6 +88,7 @@ CONFIG_EFI=y CONFIG_GENERIC_IOMAP=y CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y CONFIG_IA64_UNCACHED_ALLOCATOR=y +CONFIG_ZONE_DMA_IS_DMA32=y # CONFIG_IA64_GENERIC is not set # CONFIG_IA64_DIG is not set # CONFIG_IA64_HP_ZX1 is not set @@ -87,14 +108,10 @@ CONFIG_HZ_250=y # CONFIG_HZ_1000 is not set CONFIG_HZ=250 CONFIG_IA64_L1_CACHE_SHIFT=7 -CONFIG_NUMA=y -CONFIG_VIRTUAL_MEM_MAP=y -CONFIG_HOLES_IN_ZONE=y -CONFIG_ARCH_DISCONTIGMEM_ENABLE=y # CONFIG_IA64_CYCLONE is not set CONFIG_IOSAPIC=y CONFIG_IA64_SGI_SN_XP=m -CONFIG_FORCE_MAX_ZONEORDER=18 +CONFIG_FORCE_MAX_ZONEORDER=17 CONFIG_SMP=y CONFIG_NR_CPUS=512 # CONFIG_HOTPLUG_CPU is not set @@ -107,7 +124,17 @@ CONFIG_DISCONTIGMEM_MANUAL=y CONFIG_DISCONTIGMEM=y CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_NEED_MULTIPLE_NODES=y -CONFIG_HAVE_DEC_LOCK=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_ARCH_SELECT_MEMORY_MODEL=y +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_ARCH_DISCONTIGMEM_DEFAULT=y +CONFIG_NUMA=y +CONFIG_VIRTUAL_MEM_MAP=y +CONFIG_HOLES_IN_ZONE=y +CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y CONFIG_IA32_SUPPORT=y CONFIG_COMPAT=y CONFIG_IA64_MCA_RECOVERY=y @@ -126,28 +153,35 @@ CONFIG_BINFMT_ELF=y # Power management and ACPI # CONFIG_PM=y -CONFIG_ACPI=y +# CONFIG_PM_LEGACY is not set +# CONFIG_PM_DEBUG is not set # # ACPI (Advanced Configuration and Power Interface) Support # +CONFIG_ACPI=y # CONFIG_ACPI_BUTTON is not set # CONFIG_ACPI_FAN is not set # CONFIG_ACPI_PROCESSOR is not set CONFIG_ACPI_NUMA=y +CONFIG_ACPI_BLACKLIST_YEAR=0 # CONFIG_ACPI_DEBUG is not set CONFIG_ACPI_POWER=y CONFIG_ACPI_SYSTEM=y # CONFIG_ACPI_CONTAINER is not set # +# CPU Frequency scaling +# +# CONFIG_CPU_FREQ is not set + +# # Bus options (PCI, PCMCIA) # CONFIG_PCI=y CONFIG_PCI_DOMAINS=y # CONFIG_PCI_MSI is not set CONFIG_PCI_LEGACY_PROC=y -CONFIG_PCI_NAMES=y # CONFIG_PCI_DEBUG is not set # @@ -191,8 +225,8 @@ CONFIG_SYN_COOKIES=y # 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 is not set +CONFIG_INET_DIAG=m +CONFIG_INET_TCP_DIAG=m # CONFIG_TCP_CONG_ADVANCED is not set CONFIG_TCP_CONG_BIC=y CONFIG_IPV6=m @@ -205,6 +239,11 @@ CONFIG_IPV6=m # CONFIG_NETFILTER is not set # +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# # SCTP Configuration (EXPERIMENTAL) # # CONFIG_IP_SCTP is not set @@ -220,8 +259,11 @@ CONFIG_IPV6=m # 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 is not set -# CONFIG_NET_CLS_ROUTE is not set # # Network testing @@ -230,6 +272,7 @@ CONFIG_IPV6=m # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set # CONFIG_BT is not set +# CONFIG_IEEE80211 is not set # # Device Drivers @@ -244,6 +287,11 @@ CONFIG_FW_LOADER=y # CONFIG_DEBUG_DRIVER is not set # +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set + +# # Memory Technology Devices (MTD) # # CONFIG_MTD is not set @@ -275,16 +323,7 @@ CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 CONFIG_BLK_DEV_INITRD=y -CONFIG_INITRAMFS_SOURCE="" # CONFIG_CDROM_PKTCDVD is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y CONFIG_ATA_OVER_ETH=m # @@ -349,6 +388,7 @@ CONFIG_IDEDMA_AUTO=y # # SCSI device support # +# CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y CONFIG_SCSI_PROC_FS=y @@ -375,11 +415,13 @@ CONFIG_SCSI_CONSTANTS=y # CONFIG_SCSI_SPI_ATTRS=y CONFIG_SCSI_FC_ATTRS=y -# CONFIG_SCSI_ISCSI_ATTRS is not set +CONFIG_SCSI_ISCSI_ATTRS=m +CONFIG_SCSI_SAS_ATTRS=y # # SCSI low-level drivers # +CONFIG_ISCSI_TCP=m # CONFIG_BLK_DEV_3W_XXXX_RAID is not set # CONFIG_SCSI_3W_9XXX is not set # CONFIG_SCSI_ACARD is not set @@ -389,15 +431,19 @@ CONFIG_SCSI_FC_ATTRS=y # CONFIG_SCSI_AIC79XX is not set # CONFIG_MEGARAID_NEWGEN is not set # CONFIG_MEGARAID_LEGACY is not set +# CONFIG_MEGARAID_SAS is not set CONFIG_SCSI_SATA=y # CONFIG_SCSI_SATA_AHCI is not set # CONFIG_SCSI_SATA_SVW is not set # CONFIG_SCSI_ATA_PIIX is not set +# CONFIG_SCSI_SATA_MV is not set # CONFIG_SCSI_SATA_NV is not set -# CONFIG_SCSI_SATA_PROMISE is not set +# CONFIG_SCSI_PDC_ADMA is not set # CONFIG_SCSI_SATA_QSTOR is not set +# CONFIG_SCSI_SATA_PROMISE is not set # CONFIG_SCSI_SATA_SX4 is not set # CONFIG_SCSI_SATA_SIL is not set +# CONFIG_SCSI_SATA_SIL24 is not set # CONFIG_SCSI_SATA_SIS is not set # CONFIG_SCSI_SATA_ULI is not set # CONFIG_SCSI_SATA_VIA is not set @@ -411,7 +457,6 @@ CONFIG_SCSI_SATA_VITESSE=y # CONFIG_SCSI_IPR is not set # CONFIG_SCSI_QLOGIC_FC is not set CONFIG_SCSI_QLOGIC_1280=y -# CONFIG_SCSI_QLOGIC_1280_1040 is not set CONFIG_SCSI_QLA2XXX=y # CONFIG_SCSI_QLA21XX is not set CONFIG_SCSI_QLA22XX=y @@ -451,6 +496,7 @@ CONFIG_DM_MULTIPATH_EMC=m CONFIG_FUSION=y CONFIG_FUSION_SPI=y CONFIG_FUSION_FC=y +CONFIG_FUSION_SAS=y CONFIG_FUSION_MAX_SGE=128 CONFIG_FUSION_CTL=m @@ -479,6 +525,10 @@ CONFIG_NETDEVICES=y # CONFIG_ARCNET is not set # +# PHY device support +# + +# # Ethernet (10 or 100Mbit) # # CONFIG_NET_ETHERNET is not set @@ -493,6 +543,7 @@ CONFIG_NETDEVICES=y # CONFIG_HAMACHI is not set # CONFIG_YELLOWFIN is not set # CONFIG_R8169 is not set +# CONFIG_SIS190 is not set # CONFIG_SKGE is not set # CONFIG_SK98LIN is not set CONFIG_TIGON3=y @@ -501,10 +552,10 @@ CONFIG_TIGON3=y # # Ethernet (10000 Mbit) # +CONFIG_CHELSIO_T1=m # CONFIG_IXGB is not set CONFIG_S2IO=m # CONFIG_S2IO_NAPI is not set -# CONFIG_2BUFF_MODE is not set # # Token Ring devices @@ -583,6 +634,7 @@ CONFIG_HW_CONSOLE=y CONFIG_SERIAL_NONSTANDARD=y # CONFIG_ROCKETPORT is not set # CONFIG_CYCLADES is not set +# CONFIG_DIGIEPCA is not set # CONFIG_MOXA_SMARTIO is not set # CONFIG_ISI is not set # CONFIG_SYNCLINKMP is not set @@ -629,7 +681,8 @@ CONFIG_EFI_RTC=y # # Ftape, the floppy tape device driver # -# CONFIG_AGP is not set +CONFIG_AGP=y +CONFIG_AGP_SGI_TIOCA=y # CONFIG_DRM is not set CONFIG_RAW_DRIVER=m # CONFIG_HPET is not set @@ -641,12 +694,12 @@ CONFIG_MMTIMER=y # TPM devices # # CONFIG_TCG_TPM is not set +# CONFIG_TELCLOCK is not set # # I2C support # # CONFIG_I2C is not set -# CONFIG_I2C_SENSOR is not set # # Dallas's 1-wire bus @@ -657,12 +710,17 @@ CONFIG_MMTIMER=y # Hardware Monitoring support # # CONFIG_HWMON is not set +# CONFIG_HWMON_VID is not set # # Misc devices # # +# Multimedia Capabilities Port drivers +# + +# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -721,12 +779,15 @@ CONFIG_USB_UHCI_HCD=m # # USB Device Class drivers # -# CONFIG_USB_BLUETOOTH_TTY is not set # CONFIG_USB_ACM is not set # CONFIG_USB_PRINTER is not set # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# may also be needed; see USB_STORAGE Help for more information # # CONFIG_USB_STORAGE is not set @@ -751,9 +812,11 @@ CONFIG_USB_HIDINPUT=y # CONFIG_USB_MTOUCH is not set # CONFIG_USB_ITMTOUCH is not set # CONFIG_USB_EGALAX is not set +# CONFIG_USB_YEALINK is not set # CONFIG_USB_XPAD is not set # CONFIG_USB_ATI_REMOTE is not set # CONFIG_USB_KEYSPAN_REMOTE is not set +# CONFIG_USB_APPLETOUCH is not set # # USB Imaging devices @@ -824,11 +887,13 @@ CONFIG_USB_MON=y # InfiniBand support # CONFIG_INFINIBAND=m -CONFIG_INFINIBAND_USER_VERBS=m +# CONFIG_INFINIBAND_USER_MAD is not set +CONFIG_INFINIBAND_USER_ACCESS=m CONFIG_INFINIBAND_MTHCA=m # CONFIG_INFINIBAND_MTHCA_DEBUG is not set CONFIG_INFINIBAND_IPOIB=m # CONFIG_INFINIBAND_IPOIB_DEBUG is not set +CONFIG_INFINIBAND_SRP=m # # SN Devices @@ -858,16 +923,12 @@ CONFIG_REISERFS_FS_POSIX_ACL=y CONFIG_REISERFS_FS_SECURITY=y # CONFIG_JFS_FS is not set CONFIG_FS_POSIX_ACL=y - -# -# XFS support -# CONFIG_XFS_FS=y CONFIG_XFS_EXPORT=y -CONFIG_XFS_RT=y CONFIG_XFS_QUOTA=y # CONFIG_XFS_SECURITY is not set CONFIG_XFS_POSIX_ACL=y +CONFIG_XFS_RT=y # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set CONFIG_INOTIFY=y @@ -878,6 +939,7 @@ CONFIG_QUOTACTL=y CONFIG_DNOTIFY=y CONFIG_AUTOFS_FS=m CONFIG_AUTOFS4_FS=m +CONFIG_FUSE_FS=m # # CD-ROM/DVD Filesystems @@ -904,13 +966,11 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y CONFIG_SYSFS=y -# CONFIG_DEVPTS_FS_XATTR is not set CONFIG_TMPFS=y -CONFIG_TMPFS_XATTR=y -CONFIG_TMPFS_SECURITY=y CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_RAMFS=y +CONFIG_RELAYFS_FS=m # # Miscellaneous filesystems @@ -959,6 +1019,7 @@ CONFIG_CIFS=m # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set # # Partition Types @@ -1028,18 +1089,21 @@ CONFIG_NLS_UTF8=y # Library routines # # CONFIG_CRC_CCITT is not set +CONFIG_CRC16=m CONFIG_CRC32=y -# CONFIG_LIBCRC32C is not set +CONFIG_LIBCRC32C=m CONFIG_ZLIB_INFLATE=m CONFIG_ZLIB_DEFLATE=m CONFIG_GENERIC_ALLOCATOR=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_GENERIC_PENDING_IRQ=y # -# Profiling support +# Instrumentation Support # # CONFIG_PROFILING is not set +# CONFIG_KPROBES is not set # # Kernel hacking @@ -1048,6 +1112,7 @@ CONFIG_GENERIC_IRQ_PROBE=y CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y CONFIG_LOG_BUF_SHIFT=20 +CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set CONFIG_DEBUG_PREEMPT=y @@ -1056,7 +1121,8 @@ CONFIG_DEBUG_PREEMPT=y # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_INFO=y # CONFIG_DEBUG_FS is not set -# CONFIG_KPROBES is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_RCU_TORTURE_TEST is not set CONFIG_IA64_GRANULE_16MB=y # CONFIG_IA64_GRANULE_64MB is not set # CONFIG_IA64_PRINT_HAZARDS is not set @@ -1097,7 +1163,7 @@ CONFIG_CRYPTO_DES=m # CONFIG_CRYPTO_ANUBIS is not set CONFIG_CRYPTO_DEFLATE=m # CONFIG_CRYPTO_MICHAEL_MIC is not set -# CONFIG_CRYPTO_CRC32C is not set +CONFIG_CRYPTO_CRC32C=m # CONFIG_CRYPTO_TEST is not set # diff --git a/arch/ia64/configs/tiger_defconfig b/arch/ia64/configs/tiger_defconfig index 9bc8bcafc905..b1e8f09e9fd5 100644 --- a/arch/ia64/configs/tiger_defconfig +++ b/arch/ia64/configs/tiger_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.14-rc1 -# Wed Sep 14 15:17:57 2005 +# Linux kernel version: 2.6.15-rc4 +# Fri Dec 2 16:06:32 2005 # # @@ -59,17 +59,36 @@ CONFIG_KMOD=y CONFIG_STOP_MACHINE=y # +# Block layer +# + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" + +# # Processor type and features # CONFIG_IA64=y CONFIG_64BIT=y CONFIG_MMU=y +CONFIG_SWIOTLB=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_TIME_INTERPOLATION=y CONFIG_EFI=y CONFIG_GENERIC_IOMAP=y CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_ZONE_DMA_IS_DMA32=y # CONFIG_IA64_GENERIC is not set CONFIG_IA64_DIG=y # CONFIG_IA64_HP_ZX1 is not set @@ -82,18 +101,16 @@ CONFIG_MCKINLEY=y # CONFIG_IA64_PAGE_SIZE_8KB is not set CONFIG_IA64_PAGE_SIZE_16KB=y # CONFIG_IA64_PAGE_SIZE_64KB is not set +CONFIG_PGTABLE_3=y +# CONFIG_PGTABLE_4 is not set # CONFIG_HZ_100 is not set CONFIG_HZ_250=y # CONFIG_HZ_1000 is not set CONFIG_HZ=250 CONFIG_IA64_L1_CACHE_SHIFT=7 -# CONFIG_NUMA is not set -CONFIG_VIRTUAL_MEM_MAP=y -CONFIG_HOLES_IN_ZONE=y CONFIG_IA64_CYCLONE=y CONFIG_IOSAPIC=y -# CONFIG_IA64_SGI_SN_XP is not set -CONFIG_FORCE_MAX_ZONEORDER=18 +CONFIG_FORCE_MAX_ZONEORDER=17 CONFIG_SMP=y CONFIG_NR_CPUS=4 CONFIG_HOTPLUG_CPU=y @@ -106,7 +123,13 @@ CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set -CONFIG_HAVE_DEC_LOCK=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_ARCH_SELECT_MEMORY_MODEL=y +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_VIRTUAL_MEM_MAP=y +CONFIG_HOLES_IN_ZONE=y CONFIG_IA32_SUPPORT=y CONFIG_COMPAT=y CONFIG_IA64_MCA_RECOVERY=y @@ -118,7 +141,6 @@ CONFIG_IA64_PALINFO=y # CONFIG_EFI_VARS=y CONFIG_EFI_PCDP=y -# CONFIG_DELL_RBU is not set CONFIG_BINFMT_ELF=y CONFIG_BINFMT_MISC=m @@ -126,6 +148,7 @@ CONFIG_BINFMT_MISC=m # Power management and ACPI # CONFIG_PM=y +CONFIG_PM_LEGACY=y # CONFIG_PM_DEBUG is not set # @@ -226,14 +249,16 @@ CONFIG_TCP_CONG_BIC=y # 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 is not set -# CONFIG_NET_CLS_ROUTE is not set # # Network testing # # CONFIG_NET_PKTGEN is not set -# CONFIG_NETFILTER_NETLINK is not set # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set # CONFIG_BT is not set @@ -295,14 +320,6 @@ CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 CONFIG_BLK_DEV_INITRD=y # CONFIG_CDROM_PKTCDVD is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y # CONFIG_ATA_OVER_ETH is not set # @@ -400,6 +417,7 @@ CONFIG_SCSI_FC_ATTRS=y # # SCSI low-level drivers # +# CONFIG_ISCSI_TCP is not set # CONFIG_BLK_DEV_3W_XXXX_RAID is not set # CONFIG_SCSI_3W_9XXX is not set # CONFIG_SCSI_ACARD is not set @@ -409,6 +427,7 @@ CONFIG_SCSI_FC_ATTRS=y # CONFIG_SCSI_AIC79XX is not set # CONFIG_MEGARAID_NEWGEN is not set # CONFIG_MEGARAID_LEGACY is not set +# CONFIG_MEGARAID_SAS is not set # CONFIG_SCSI_SATA is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set @@ -424,7 +443,6 @@ CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64 CONFIG_SCSI_QLOGIC_FC=y # CONFIG_SCSI_QLOGIC_FC_FIRMWARE is not set CONFIG_SCSI_QLOGIC_1280=y -# CONFIG_SCSI_QLOGIC_1280_1040 is not set CONFIG_SCSI_QLA2XXX=y CONFIG_SCSI_QLA21XX=m CONFIG_SCSI_QLA22XX=m @@ -463,6 +481,7 @@ CONFIG_DM_ZERO=m CONFIG_FUSION=y CONFIG_FUSION_SPI=y CONFIG_FUSION_FC=y +# CONFIG_FUSION_SAS is not set CONFIG_FUSION_MAX_SGE=128 CONFIG_FUSION_CTL=y @@ -503,6 +522,7 @@ CONFIG_NET_ETHERNET=y CONFIG_MII=m # CONFIG_HAPPYMEAL is not set # CONFIG_SUNGEM is not set +# CONFIG_CASSINI is not set # CONFIG_NET_VENDOR_3COM is not set # @@ -727,6 +747,7 @@ CONFIG_MAX_RAW_DEVS=256 # TPM devices # # CONFIG_TCG_TPM is not set +# CONFIG_TELCLOCK is not set # # I2C support @@ -812,12 +833,15 @@ CONFIG_USB_UHCI_HCD=y # # USB Device Class drivers # -# CONFIG_USB_BLUETOOTH_TTY is not set # CONFIG_USB_ACM is not set # CONFIG_USB_PRINTER is not set # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# may also be needed; see USB_STORAGE Help for more information # CONFIG_USB_STORAGE=m # CONFIG_USB_STORAGE_DEBUG is not set @@ -1123,9 +1147,10 @@ CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_PENDING_IRQ=y # -# Profiling support +# Instrumentation Support # # CONFIG_PROFILING is not set +# CONFIG_KPROBES is not set # # Kernel hacking @@ -1142,7 +1167,8 @@ CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_INFO is not set # CONFIG_DEBUG_FS is not set -# CONFIG_KPROBES is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_RCU_TORTURE_TEST is not set CONFIG_IA64_GRANULE_16MB=y # CONFIG_IA64_GRANULE_64MB is not set # CONFIG_IA64_PRINT_HAZARDS is not set diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c index a7280d9f6c16..4e7a6a1ec6c7 100644 --- a/arch/ia64/ia32/binfmt_elf32.c +++ b/arch/ia64/ia32/binfmt_elf32.c @@ -261,8 +261,6 @@ elf32_set_personality (void) { set_personality(PER_LINUX32); current->thread.map_base = IA32_PAGE_OFFSET/3; - current->thread.task_size = IA32_PAGE_OFFSET; /* use what Linux/x86 uses... */ - set_fs(USER_DS); /* set addr limit for new TASK_SIZE */ } static unsigned long diff --git a/arch/ia64/ia32/ia32priv.h b/arch/ia64/ia32/ia32priv.h index e3e9290e3ff2..68ceb4e690c7 100644 --- a/arch/ia64/ia32/ia32priv.h +++ b/arch/ia64/ia32/ia32priv.h @@ -305,7 +305,6 @@ struct old_linux32_dirent { #define ELF_DATA ELFDATA2LSB #define ELF_ARCH EM_386 -#define IA32_PAGE_OFFSET 0xc0000000 #define IA32_STACK_TOP IA32_PAGE_OFFSET #define IA32_GATE_OFFSET IA32_PAGE_OFFSET #define IA32_GATE_END IA32_PAGE_OFFSET + PAGE_SIZE diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index 2e33665d9c18..a4da715a360c 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -721,8 +721,11 @@ flush_thread (void) /* drop floating-point and debug-register state if it exists: */ current->thread.flags &= ~(IA64_THREAD_FPH_VALID | IA64_THREAD_DBG_VALID); ia64_drop_fpu(current); - if (IS_IA32_PROCESS(ia64_task_regs(current))) + if (IS_IA32_PROCESS(ia64_task_regs(current))) { ia32_drop_partial_page_list(current); + current->thread.task_size = IA32_PAGE_OFFSET; + set_fs(USER_DS); + } } /* diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c index ca68e6e44a72..1461dc660b43 100644 --- a/arch/ia64/kernel/salinfo.c +++ b/arch/ia64/kernel/salinfo.c @@ -293,7 +293,7 @@ retry: if (file->f_flags & O_NONBLOCK) return -EAGAIN; if (down_interruptible(&data->sem)) - return -ERESTARTSYS; + return -EINTR; } n = data->cpu_check; diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index 0f776b032d31..c87d6d1d5813 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -50,8 +50,10 @@ static nodemask_t memory_less_mask __initdata; * To prevent cache aliasing effects, align per-node structures so that they * start at addresses that are strided by node number. */ +#define MAX_NODE_ALIGN_OFFSET (32 * 1024 * 1024) #define NODEDATA_ALIGN(addr, node) \ - ((((addr) + 1024*1024-1) & ~(1024*1024-1)) + (node)*PERCPU_PAGE_SIZE) + ((((addr) + 1024*1024-1) & ~(1024*1024-1)) + \ + (((node)*PERCPU_PAGE_SIZE) & (MAX_NODE_ALIGN_OFFSET - 1))) /** * build_node_maps - callback to setup bootmem structs for each node diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c index 05e4ea889981..318087e35b66 100644 --- a/arch/ia64/sn/kernel/io_init.c +++ b/arch/ia64/sn/kernel/io_init.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved. */ #include <linux/bootmem.h> @@ -147,6 +147,24 @@ sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev, } /* + * sn_pcidev_info_get() - Retrieve the pcidev_info struct for the specified + * device. + */ +inline struct pcidev_info * +sn_pcidev_info_get(struct pci_dev *dev) +{ + struct pcidev_info *pcidev; + + list_for_each_entry(pcidev, + &(SN_PCI_CONTROLLER(dev)->pcidev_info), pdi_list) { + if (pcidev->pdi_linux_pcidev == dev) { + return pcidev; + } + } + return NULL; +} + +/* * sn_fixup_ionodes() - This routine initializes the HUB data strcuture for * each node in the system. */ @@ -229,6 +247,50 @@ static void sn_fixup_ionodes(void) } +/* + * sn_pci_window_fixup() - Create a pci_window for each device resource. + * Until ACPI support is added, we need this code + * to setup pci_windows for use by + * pcibios_bus_to_resource(), + * pcibios_resource_to_bus(), etc. + */ +static void +sn_pci_window_fixup(struct pci_dev *dev, unsigned int count, + int64_t * pci_addrs) +{ + struct pci_controller *controller = PCI_CONTROLLER(dev->bus); + unsigned int i; + unsigned int idx; + unsigned int new_count; + struct pci_window *new_window; + + if (count == 0) + return; + idx = controller->windows; + new_count = controller->windows + count; + new_window = kcalloc(new_count, sizeof(struct pci_window), GFP_KERNEL); + if (new_window == NULL) + BUG(); + if (controller->window) { + memcpy(new_window, controller->window, + sizeof(struct pci_window) * controller->windows); + kfree(controller->window); + } + + /* Setup a pci_window for each device resource. */ + for (i = 0; i <= PCI_ROM_RESOURCE; i++) { + if (pci_addrs[i] == -1) + continue; + + new_window[idx].offset = dev->resource[i].start - pci_addrs[i]; + new_window[idx].resource = dev->resource[i]; + idx++; + } + + controller->windows = new_count; + controller->window = new_window; +} + void sn_pci_unfixup_slot(struct pci_dev *dev) { struct pci_dev *host_pci_dev = SN_PCIDEV_INFO(dev)->host_pci_dev; @@ -246,21 +308,23 @@ void sn_pci_unfixup_slot(struct pci_dev *dev) */ void sn_pci_fixup_slot(struct pci_dev *dev) { + unsigned int count = 0; int idx; int segment = pci_domain_nr(dev->bus); int status = 0; struct pcibus_bussoft *bs; struct pci_bus *host_pci_bus; struct pci_dev *host_pci_dev; + struct pcidev_info *pcidev_info; + int64_t pci_addrs[PCI_ROM_RESOURCE + 1]; struct sn_irq_info *sn_irq_info; unsigned long size; unsigned int bus_no, devfn; pci_dev_get(dev); /* for the sysdata pointer */ - dev->sysdata = kmalloc(sizeof(struct pcidev_info), GFP_KERNEL); - if (SN_PCIDEV_INFO(dev) <= 0) + pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL); + if (pcidev_info <= 0) BUG(); /* Cannot afford to run out of memory */ - memset(SN_PCIDEV_INFO(dev), 0, sizeof(struct pcidev_info)); sn_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_KERNEL); if (sn_irq_info <= 0) @@ -270,22 +334,34 @@ void sn_pci_fixup_slot(struct pci_dev *dev) /* Call to retrieve pci device information needed by kernel. */ status = sal_get_pcidev_info((u64) segment, (u64) dev->bus->number, dev->devfn, - (u64) __pa(SN_PCIDEV_INFO(dev)), + (u64) __pa(pcidev_info), (u64) __pa(sn_irq_info)); if (status) BUG(); /* Cannot get platform pci device information */ + /* Add pcidev_info to list in sn_pci_controller struct */ + list_add_tail(&pcidev_info->pdi_list, + &(SN_PCI_CONTROLLER(dev->bus)->pcidev_info)); + /* Copy over PIO Mapped Addresses */ for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) { unsigned long start, end, addr; - if (!SN_PCIDEV_INFO(dev)->pdi_pio_mapped_addr[idx]) + if (!pcidev_info->pdi_pio_mapped_addr[idx]) { + pci_addrs[idx] = -1; continue; + } start = dev->resource[idx].start; end = dev->resource[idx].end; size = end - start; - addr = SN_PCIDEV_INFO(dev)->pdi_pio_mapped_addr[idx]; + if (size == 0) { + pci_addrs[idx] = -1; + continue; + } + pci_addrs[idx] = start; + count++; + addr = pcidev_info->pdi_pio_mapped_addr[idx]; addr = ((addr << 4) >> 4) | __IA64_UNCACHED_OFFSET; dev->resource[idx].start = addr; dev->resource[idx].end = addr + size; @@ -294,23 +370,27 @@ void sn_pci_fixup_slot(struct pci_dev *dev) else dev->resource[idx].parent = &iomem_resource; } + /* Create a pci_window in the pci_controller struct for + * each device resource. + */ + if (count > 0) + sn_pci_window_fixup(dev, count, pci_addrs); /* * Using the PROMs values for the PCI host bus, get the Linux * PCI host_pci_dev struct and set up host bus linkages */ - bus_no = (SN_PCIDEV_INFO(dev)->pdi_slot_host_handle >> 32) & 0xff; - devfn = SN_PCIDEV_INFO(dev)->pdi_slot_host_handle & 0xffffffff; + bus_no = (pcidev_info->pdi_slot_host_handle >> 32) & 0xff; + devfn = pcidev_info->pdi_slot_host_handle & 0xffffffff; host_pci_bus = pci_find_bus(segment, bus_no); host_pci_dev = pci_get_slot(host_pci_bus, devfn); - SN_PCIDEV_INFO(dev)->host_pci_dev = host_pci_dev; - SN_PCIDEV_INFO(dev)->pdi_host_pcidev_info = - SN_PCIDEV_INFO(host_pci_dev); - SN_PCIDEV_INFO(dev)->pdi_linux_pcidev = dev; + pcidev_info->host_pci_dev = host_pci_dev; + pcidev_info->pdi_linux_pcidev = dev; + pcidev_info->pdi_host_pcidev_info = SN_PCIDEV_INFO(host_pci_dev); bs = SN_PCIBUS_BUSSOFT(dev->bus); - SN_PCIDEV_INFO(dev)->pdi_pcibus_info = bs; + pcidev_info->pdi_pcibus_info = bs; if (bs && bs->bs_asic_type < PCIIO_ASIC_MAX_TYPES) { SN_PCIDEV_BUSPROVIDER(dev) = sn_pci_provider[bs->bs_asic_type]; @@ -320,11 +400,11 @@ void sn_pci_fixup_slot(struct pci_dev *dev) /* Only set up IRQ stuff if this device has a host bus context */ if (bs && sn_irq_info->irq_irq) { - SN_PCIDEV_INFO(dev)->pdi_sn_irq_info = sn_irq_info; - dev->irq = SN_PCIDEV_INFO(dev)->pdi_sn_irq_info->irq_irq; + pcidev_info->pdi_sn_irq_info = sn_irq_info; + dev->irq = pcidev_info->pdi_sn_irq_info->irq_irq; sn_irq_fixup(dev, sn_irq_info); } else { - SN_PCIDEV_INFO(dev)->pdi_sn_irq_info = NULL; + pcidev_info->pdi_sn_irq_info = NULL; kfree(sn_irq_info); } } @@ -338,6 +418,7 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) int status = 0; int nasid, cnode; struct pci_controller *controller; + struct sn_pci_controller *sn_controller; struct pcibus_bussoft *prom_bussoft_ptr; struct hubdev_info *hubdev_info; void *provider_soft = NULL; @@ -349,10 +430,15 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) return; /*bus # does not exist */ prom_bussoft_ptr = __va(prom_bussoft_ptr); - controller = kzalloc(sizeof(struct pci_controller), GFP_KERNEL); + /* Allocate a sn_pci_controller, which has a pci_controller struct + * as the first member. + */ + sn_controller = kzalloc(sizeof(struct sn_pci_controller), GFP_KERNEL); + if (!sn_controller) + BUG(); + INIT_LIST_HEAD(&sn_controller->pcidev_info); + controller = &sn_controller->pci_controller; controller->segment = segment; - if (!controller) - BUG(); if (bus == NULL) { bus = pci_scan_bus(busnum, &pci_root_ops, controller); @@ -390,6 +476,29 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) } /* + * Setup pci_windows for legacy IO and MEM space. + * (Temporary until ACPI support is in place.) + */ + controller->window = kcalloc(2, sizeof(struct pci_window), GFP_KERNEL); + if (controller->window == NULL) + BUG(); + controller->window[0].offset = prom_bussoft_ptr->bs_legacy_io; + controller->window[0].resource.name = "legacy_io"; + controller->window[0].resource.flags = IORESOURCE_IO; + controller->window[0].resource.start = prom_bussoft_ptr->bs_legacy_io; + controller->window[0].resource.end = + controller->window[0].resource.start + 0xffff; + controller->window[0].resource.parent = &ioport_resource; + controller->window[1].offset = prom_bussoft_ptr->bs_legacy_mem; + controller->window[1].resource.name = "legacy_mem"; + controller->window[1].resource.flags = IORESOURCE_MEM; + controller->window[1].resource.start = prom_bussoft_ptr->bs_legacy_mem; + controller->window[1].resource.end = + controller->window[1].resource.start + (1024 * 1024) - 1; + controller->window[1].resource.parent = &iomem_resource; + controller->windows = 2; + + /* * Generic bus fixup goes here. Don't reference prom_bussoft_ptr * after this point. */ @@ -421,7 +530,7 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) error_return: - kfree(controller); + kfree(sn_controller); return; } @@ -434,7 +543,7 @@ void sn_bus_store_sysdata(struct pci_dev *dev) dev_dbg(dev, "%s: out of memory!\n", __FUNCTION__); return; } - element->sysdata = dev->sysdata; + element->sysdata = SN_PCIDEV_INFO(dev); list_add(&element->entry, &sn_sysdata_list); } diff --git a/arch/ia64/sn/kernel/sn2/ptc_deadlock.S b/arch/ia64/sn/kernel/sn2/ptc_deadlock.S index 3fa95065a446..bebbcc4f8dd4 100644 --- a/arch/ia64/sn/kernel/sn2/ptc_deadlock.S +++ b/arch/ia64/sn/kernel/sn2/ptc_deadlock.S @@ -39,9 +39,13 @@ sn2_ptc_deadlock_recovery_core: mov r8=r0 1: + cmp.ne p8,p9=r0,ptc1 // Test for shub type (ptc1 non-null on shub1) + // p8 = 1 if shub1, p9 = 1 if shub2 + add scr2=ALIAS_OFFSET,piowc // Address of WRITE_STATUS alias register - ;; - ld8.acq scr1=[scr2];; + mov scr1=7;; // Clear DEADLOCK, WRITE_ERROR, MULTI_WRITE_ERROR +(p8) st8.rel [scr2]=scr1;; +(p9) ld8.acq scr1=[scr2];; 5: ld8.acq scr1=[piowc];; // Wait for PIOs to complete. hint @pause diff --git a/include/asm-ia64/ia32.h b/include/asm-ia64/ia32.h index 8e746b2413a6..f8044a1169cd 100644 --- a/include/asm-ia64/ia32.h +++ b/include/asm-ia64/ia32.h @@ -13,6 +13,8 @@ # ifdef CONFIG_IA32_SUPPORT +#define IA32_PAGE_OFFSET 0xc0000000 + extern void ia32_cpu_init (void); extern void ia32_mem_init (void); extern void ia32_gdt_init (void); diff --git a/include/asm-ia64/local.h b/include/asm-ia64/local.h index 1dbd584ad851..dc519092ef4d 100644 --- a/include/asm-ia64/local.h +++ b/include/asm-ia64/local.h @@ -17,8 +17,8 @@ typedef struct { #define local_set(l, i) atomic64_set(&(l)->val, i) #define local_inc(l) atomic64_inc(&(l)->val) #define local_dec(l) atomic64_dec(&(l)->val) -#define local_add(l) atomic64_add(&(l)->val) -#define local_sub(l) atomic64_sub(&(l)->val) +#define local_add(i, l) atomic64_add((i), &(l)->val) +#define local_sub(i, l) atomic64_sub((i), &(l)->val) /* Non-atomic variants, i.e., preemption disabled and won't be touched in interrupt, etc. */ diff --git a/include/asm-ia64/sn/pcidev.h b/include/asm-ia64/sn/pcidev.h index 49711d00ad04..f65d222ca5e8 100644 --- a/include/asm-ia64/sn/pcidev.h +++ b/include/asm-ia64/sn/pcidev.h @@ -3,15 +3,27 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved. */ #ifndef _ASM_IA64_SN_PCI_PCIDEV_H #define _ASM_IA64_SN_PCI_PCIDEV_H #include <linux/pci.h> -#define SN_PCIDEV_INFO(pci_dev) \ - ((struct pcidev_info *)(pci_dev)->sysdata) +/* + * In ia64, pci_dev->sysdata must be a *pci_controller. To provide access to + * the pcidev_info structs for all devices under a controller, we extend the + * definition of pci_controller, via sn_pci_controller, to include a list + * of pcidev_info. + */ +struct sn_pci_controller { + struct pci_controller pci_controller; + struct list_head pcidev_info; +}; + +#define SN_PCI_CONTROLLER(dev) ((struct sn_pci_controller *) dev->sysdata) + +#define SN_PCIDEV_INFO(dev) sn_pcidev_info_get(dev) #define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \ (struct pcibus_info *)((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data)) @@ -53,11 +65,13 @@ struct pcidev_info { struct sn_irq_info *pdi_sn_irq_info; struct sn_pcibus_provider *pdi_provider; /* sn pci ops */ struct pci_dev *host_pci_dev; /* host bus link */ + struct list_head pdi_list; /* List of pcidev_info */ }; extern void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info); extern void sn_irq_unfixup(struct pci_dev *pci_dev); +extern struct pcidev_info * sn_pcidev_info_get(struct pci_dev *); extern void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus); extern void sn_bus_store_sysdata(struct pci_dev *dev); diff --git a/include/asm-ia64/spinlock.h b/include/asm-ia64/spinlock.h index 5b78611411c3..0c91a76c5ea3 100644 --- a/include/asm-ia64/spinlock.h +++ b/include/asm-ia64/spinlock.h @@ -201,6 +201,16 @@ static inline void __raw_write_unlock(raw_rwlock_t *x) #endif /* !ASM_SUPPORTED */ -#define __raw_read_trylock(lock) generic__raw_read_trylock(lock) +static inline int __raw_read_trylock(raw_rwlock_t *x) +{ + union { + raw_rwlock_t lock; + __u32 word; + } old, new; + old.lock = new.lock = *x; + old.lock.write_lock = new.lock.write_lock = 0; + ++new.lock.read_counter; + return (u32)ia64_cmpxchg4_acq((__u32 *)(x), new.word, old.word) == old.word; +} #endif /* _ASM_IA64_SPINLOCK_H */ |