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Commit f2f04b19 authored by Martin Schwidefsky's avatar Martin Schwidefsky Committed by Linus Torvalds
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[PATCH] s390: config & make. 

Kconfig file fixes: remove options ISA/MCA/EISA, add some missing
help texts. Regenerate default configuration files. Update section
names in vmlinux.lds.S. Simplify some Makefiles.
parent fc983daf
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Showing with 333 additions and 395 deletions
arch/s390/Kconfig
View file @ f2f04b19
......@@ -11,38 +11,6 @@ config SWAP
bool
default y
config ISA
bool
help
Find out whether you have ISA slots on your motherboard. ISA is the
name of a bus system, i.e. the way the CPU talks to the other stuff
inside your box. Other bus systems are PCI, EISA, MicroChannel
(MCA) or VESA. ISA is an older system, now being displaced by PCI;
newer boards don't support it. If you have ISA, say Y, otherwise N.
config EISA
bool
---help---
The Extended Industry Standard Architecture (EISA) bus was
developed as an open alternative to the IBM MicroChannel bus.
The EISA bus provided some of the features of the IBM MicroChannel
bus while maintaining backward compatibility with cards made for
the older ISA bus. The EISA bus saw limited use between 1988 and
1995 when it was made obsolete by the PCI bus.
Say Y here if you are building a kernel for an EISA-based machine.
Otherwise, say N.
config MCA
bool
help
MicroChannel Architecture is found in some IBM PS/2 machines and
laptops. It is a bus system similar to PCI or ISA. See
<file:Documentation/mca.txt> (and especially the web page given
there) before attempting to build an MCA bus kernel.
config UID16
bool
default y
......@@ -57,7 +25,6 @@ config RWSEM_XCHGADD_ALGORITHM
config GENERIC_BUST_SPINLOCK
bool
mainmenu "Linux Kernel Configuration"
config ARCH_S390
......@@ -115,6 +82,13 @@ config NR_CPUS
int "Maximum number of CPUs (2-32)"
depends on SMP
default "32"
help
This allows you to specify the maximum number of CPUs which this
kernel will support. The maximum supported value is 32 and the
minimum value which makes sense is 2.
This is purely to save memory - each supported CPU adds
approximately eight kilobytes to the kernel image.
comment "I/O subsystem configuration"
......@@ -153,6 +127,14 @@ comment "Misc"
config PREEMPT
bool "Preemptible Kernel"
help
This option reduces the latency of the kernel when reacting to
real-time or interactive events by allowing a low priority process to
be preempted even if it is in kernel mode executing a system call.
This allows applications to run more reliably even when the system is
under load.
Say N if you are unsure.
config IPL
bool "Builtin IPL record support"
......
arch/s390/Makefile
View file @ f2f04b19
......@@ -16,6 +16,7 @@
LDFLAGS := -m elf_s390
OBJCOPYFLAGS := -O binary
LDFLAGS_vmlinux := -e start
LDFLAGS_BLOB := --format binary --oformat elf32-s390
CFLAGS += -pipe -fno-strength-reduce
......@@ -28,18 +29,14 @@ libs-y += arch/s390/lib/
all: image listing
listing: vmlinux
@$(MAKEBOOT) listing
makeboot = $(call descend,arch/$(ARCH)/boot,$(1))
BOOTIMAGE= arch/$(ARCH)/boot/image
MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
image: vmlinux
@$(MAKEBOOT) image
install: vmlinux
@$(MAKEBOOT) BOOTIMAGE=image install
listing install image: vmlinux
+@$(call makeboot,BOOTIMAGE=$(BOOTIMAGE) $@)
archclean:
+@$(call makeboot,clean)
archmrproper:
......
arch/s390/boot/Makefile
View file @ f2f04b19
#
# arch/s390/boot/Makefile
# Makefile for the linux s390-specific parts of the memory manager.
#
EXTRA_AFLAGS := -traditional
include $(TOPDIR)/Rules.make
%.lnk: %.o
$(LD) $(LDFLAGS) -Ttext 0x0 -o $@ $<
quiet_cmd_listing = OBJDUMP $(echo_target)
cmd_listing = $(OBJDUMP) --disassemble --disassemble-all \
--disassemble-zeroes --reloc vmlinux > $@
%.boot: %.lnk
$(OBJCOPY) $(OBJCOPYFLAGS) $< $@
$(obj)/image: vmlinux
$(call if_changed,objcopy)
image: $(TOPDIR)/vmlinux \
iplfba.boot ipleckd.boot ipldump.boot
$(OBJCOPY) $(OBJCOPYFLAGS) $(TOPDIR)/vmlinux image
$(NM) $(TOPDIR)/vmlinux | grep -v '\(compiled\)\|\( [aUw] \)\|\(\.\)\|\(LASH[RL]DI\)' | sort > $(TOPDIR)/System.map
$(obj)/listing: vmlinux
$(call if_changed,listing)
listing: ../../../vmlinux
$(OBJDUMP) --disassemble --disassemble-all --disassemble-zeroes --reloc $(TOPDIR)/vmlinux > listing
image: $(obj)/image
listing: $(obj)/listing
clean:
rm -f image listing iplfba.boot ipleckd.boot ipldump.boot
rm -f $(obj)/image $(obj)/listing
install: $(CONFIGURE) $(BOOTIMAGE)
sh -x ./install.sh $(KERNELRELEASE) $(BOOTIMAGE) $(TOPDIR)/System.map $(TOPDIR)/Kerntypes "$(INSTALL_PATH)"
sh -x $(obj)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map Kerntypes "$(INSTALL_PATH)"
arch/s390/defconfig
View file @ f2f04b19
#
# Automatically generated make config: don't edit
#
# CONFIG_ISA is not set
# CONFIG_EISA is not set
# CONFIG_MCA is not set
CONFIG_MMU=y
CONFIG_SWAP=y
CONFIG_UID16=y
# CONFIG_RWSEM_GENERIC_SPINLOCK is not set
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
# CONFIG_GENERIC_BUST_SPINLOCK is not set
CONFIG_ARCH_S390=y
#
# Code maturity level options
#
CONFIG_EXPERIMENTAL=y
CONFIG_CONFIDENTIAL=y
#
# General setup
......@@ -27,7 +25,8 @@ CONFIG_SYSCTL=y
# Loadable module support
#
CONFIG_MODULES=y
# CONFIG_MODVERSIONS is not set
# CONFIG_MODULE_UNLOAD is not set
# CONFIG_MODULE_FORCE_UNLOAD is not set
CONFIG_KMOD=y
#
......@@ -39,13 +38,13 @@ CONFIG_KMOD=y
#
CONFIG_SMP=y
CONFIG_MATHEMU=y
CONFIG_NR_CPUS=64
CONFIG_NR_CPUS=32
#
# I/O subsystem configuration
#
CONFIG_MACHCHK_WARNING=y
CONFIG_QDIO=m
CONFIG_QDIO=y
# CONFIG_QDIO_PERF_STATS is not set
#
......@@ -57,7 +56,7 @@ CONFIG_IPL=y
CONFIG_IPL_VM=y
CONFIG_KCORE_ELF=y
CONFIG_BINFMT_ELF=y
# CONFIG_BINFMT_MISC is not set
CONFIG_BINFMT_MISC=m
# CONFIG_PROCESS_DEBUG is not set
CONFIG_PFAULT=y
# CONFIG_SHARED_KERNEL is not set
......@@ -65,79 +64,15 @@ CONFIG_PFAULT=y
#
# SCSI support
#
CONFIG_SCSI=m
#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=m
CONFIG_SD_EXTRA_DEVS=40
CONFIG_CHR_DEV_ST=m
# CONFIG_CHR_DEV_OSST is not set
CONFIG_BLK_DEV_SR=m
# CONFIG_BLK_DEV_SR_VENDOR is not set
CONFIG_SR_EXTRA_DEVS=10
CONFIG_CHR_DEV_SG=m
#
# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
#
CONFIG_SCSI_MULTI_LUN=y
# CONFIG_SCSI_REPORT_LUNS is not set
CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_LOGGING=y
#
# SCSI low-level drivers
#
# CONFIG_SCSI_7000FASST is not set
# CONFIG_SCSI_ACARD is not set
# CONFIG_SCSI_AACRAID is not set
# CONFIG_SCSI_AIC7XXX is not set
# CONFIG_SCSI_AIC7XXX_OLD is not set
# CONFIG_SCSI_DPT_I2O is not set
# CONFIG_SCSI_ADVANSYS is not set
# CONFIG_SCSI_IN2000 is not set
# CONFIG_SCSI_AM53C974 is not set
# CONFIG_SCSI_MEGARAID is not set
# CONFIG_SCSI_BUSLOGIC is not set
# CONFIG_SCSI_DMX3191D is not set
# CONFIG_SCSI_DTC3280 is not set
# CONFIG_SCSI_EATA is not set
# CONFIG_SCSI_EATA_DMA is not set
# CONFIG_SCSI_EATA_PIO is not set
# CONFIG_SCSI_FUTURE_DOMAIN is not set
# CONFIG_SCSI_GDTH is not set
# CONFIG_SCSI_GENERIC_NCR5380 is not set
# CONFIG_SCSI_INITIO is not set
# CONFIG_SCSI_INIA100 is not set
# CONFIG_SCSI_PPA is not set
# CONFIG_SCSI_IMM is not set
# CONFIG_SCSI_NCR53C406A is not set
# CONFIG_SCSI_NCR53C7xx is not set
# CONFIG_SCSI_PAS16 is not set
# CONFIG_SCSI_PCI2000 is not set
# CONFIG_SCSI_PCI2220I is not set
# CONFIG_SCSI_PSI240I is not set
# CONFIG_SCSI_QLOGIC_FAS is not set
# CONFIG_SCSI_SYM53C416 is not set
# CONFIG_SCSI_T128 is not set
# CONFIG_SCSI_U14_34F is not set
# CONFIG_SCSI_NSP32 is not set
# CONFIG_SCSI_DEBUG is not set
#
# PCMCIA SCSI adapter support
#
# CONFIG_SCSI_PCMCIA is not set
# CONFIG_SCSI is not set
#
# Block device drivers
#
CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_NBD is not set
CONFIG_BLK_DEV_LOOP=m
CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_SIZE=24576
CONFIG_BLK_DEV_RAM_SIZE=4096
CONFIG_BLK_DEV_INITRD=y
CONFIG_BLK_DEV_XPRAM=m
......@@ -147,31 +82,30 @@ CONFIG_BLK_DEV_XPRAM=m
CONFIG_DASD=y
CONFIG_DASD_ECKD=y
CONFIG_DASD_FBA=y
# CONFIG_DASD_DIAG is not set
CONFIG_DASD_DIAG=y
#
# Multi-device support (RAID and LVM)
#
CONFIG_MD=y
CONFIG_BLK_DEV_MD=m
# CONFIG_MD_LINEAR is not set
CONFIG_BLK_DEV_MD=y
CONFIG_MD_LINEAR=m
CONFIG_MD_RAID0=m
CONFIG_MD_RAID1=m
CONFIG_MD_RAID5=m
# CONFIG_MD_MULTIPATH is not set
# CONFIG_BLK_DEV_LVM is not set
CONFIG_MD_MULTIPATH=m
# CONFIG_BLK_DEV_DM is not set
#
# Character device drivers
#
CONFIG_UNIX98_PTYS=y
CONFIG_UNIX98_PTY_COUNT=256
CONFIG_UNIX98_PTY_COUNT=2048
#
# S/390 character device drivers
#
CONFIG_TN3270=y
CONFIG_TN3270_CONSOLE=y
# CONFIG_TN3270 is not set
CONFIG_TN3215=y
CONFIG_TN3215_CONSOLE=y
CONFIG_HWC=y
......@@ -182,31 +116,28 @@ CONFIG_S390_TAPE=m
#
# S/390 tape interface support
#
CONFIG_S390_TAPE_CHAR=y
CONFIG_S390_TAPE_BLOCK=y
#
# S/390 tape hardware support
#
CONFIG_S390_TAPE_3490=m
CONFIG_S390_TAPE_3480=m
CONFIG_S390_TAPE_34XX=m
#
# Network device drivers
#
CONFIG_NETDEVICES=y
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_EQUALIZER is not set
# CONFIG_TUN is not set
CONFIG_DUMMY=m
CONFIG_BONDING=m
CONFIG_EQUALIZER=m
CONFIG_TUN=m
CONFIG_NET_ETHERNET=y
CONFIG_TR=y
# CONFIG_TR is not set
# CONFIG_FDDI is not set
#
# S/390 network device drivers
#
CONFIG_CHANDEV=y
CONFIG_HOTPLUG=y
CONFIG_LCS=m
CONFIG_CTC=m
......@@ -221,6 +152,7 @@ CONFIG_PACKET=y
# CONFIG_NETFILTER is not set
# CONFIG_FILTER is not set
CONFIG_UNIX=y
# CONFIG_NET_KEY is not set
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
# CONFIG_IP_ADVANCED_ROUTER is not set
......@@ -231,19 +163,19 @@ CONFIG_IP_MULTICAST=y
# CONFIG_ARPD is not set
# CONFIG_INET_ECN is not set
# CONFIG_SYN_COOKIES is not set
# CONFIG_INET_AH is not set
# CONFIG_INET_ESP is not set
# CONFIG_XFRM_USER is not set
CONFIG_IPV6=m
#
# SCTP Configuration (EXPERIMENTAL)
# SCTP Configuration (EXPERIMENTAL)
#
CONFIG_IPV6_SCTP__=m
CONFIG_IPV6_SCTP__=y
# CONFIG_IP_SCTP is not set
# CONFIG_ATM is not set
# CONFIG_VLAN_8021Q is not set
# CONFIG_LLC is not set
# CONFIG_IPX is not set
# CONFIG_ATALK is not set
# CONFIG_DEV_APPLETALK is not set
# CONFIG_DECNET is not set
# CONFIG_BRIDGE is not set
# CONFIG_X25 is not set
......@@ -257,66 +189,70 @@ CONFIG_NET_FASTROUTE=y
#
# QoS and/or fair queueing
#
# CONFIG_NET_SCHED is not set
CONFIG_NET_SCHED=y
CONFIG_NET_SCH_CBQ=m
# CONFIG_NET_SCH_HTB is not set
CONFIG_NET_SCH_CSZ=m
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_QOS=y
CONFIG_NET_ESTIMATOR=y
CONFIG_NET_CLS=y
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_NET_CLS_RSVP=m
CONFIG_NET_CLS_RSVP6=m
CONFIG_NET_CLS_POLICE=y
#
# Network testing
#
# CONFIG_NET_PKTGEN is not set
#
# File systems
#
# CONFIG_QUOTA is not set
# CONFIG_QFMT_V1 is not set
# CONFIG_QFMT_V2 is not set
# CONFIG_AUTOFS_FS is not set
# CONFIG_AUTOFS4_FS is not set
# CONFIG_REISERFS_FS is not set
# CONFIG_REISERFS_CHECK is not set
# CONFIG_REISERFS_PROC_INFO is not set
# CONFIG_ADFS_FS is not set
# CONFIG_ADFS_FS_RW is not set
# CONFIG_AFFS_FS is not set
# CONFIG_HFS_FS is not set
# CONFIG_BEFS_FS is not set
# CONFIG_BFS_FS is not set
CONFIG_EXT3_FS=y
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
# CONFIG_EXT3_FS is not set
# CONFIG_JBD is not set
# CONFIG_FAT_FS is not set
# CONFIG_MSDOS_FS is not set
# CONFIG_UMSDOS_FS is not set
# CONFIG_VFAT_FS is not set
# CONFIG_EFS_FS is not set
# CONFIG_JFFS_FS is not set
# CONFIG_JFFS2_FS is not set
# CONFIG_CRAMFS is not set
# CONFIG_TMPFS is not set
CONFIG_RAMFS=y
# CONFIG_ISO9660_FS is not set
# CONFIG_JOLIET is not set
# CONFIG_ZISOFS is not set
# CONFIG_JFS_FS is not set
# CONFIG_JFS_DEBUG is not set
# CONFIG_JFS_STATISTICS is not set
# CONFIG_MINIX_FS is not set
# CONFIG_VXFS_FS is not set
# CONFIG_NTFS_FS is not set
# CONFIG_NTFS_DEBUG is not set
# CONFIG_NTFS_RW is not set
# CONFIG_HPFS_FS is not set
CONFIG_PROC_FS=y
CONFIG_DEVFS_FS=y
# CONFIG_DEVFS_MOUNT is not set
# CONFIG_DEVFS_DEBUG is not set
# CONFIG_DEVPTS_FS is not set
# CONFIG_DEVFS_FS is not set
CONFIG_DEVPTS_FS=y
# CONFIG_QNX4FS_FS is not set
# CONFIG_QNX4FS_RW is not set
# CONFIG_ROMFS_FS is not set
CONFIG_EXT2_FS=y
# CONFIG_EXT2_FS_XATTR is not set
# CONFIG_SYSV_FS is not set
# CONFIG_UDF_FS is not set
# CONFIG_UDF_RW is not set
# CONFIG_UFS_FS is not set
# CONFIG_UFS_FS_WRITE is not set
# CONFIG_XFS_FS is not set
# CONFIG_XFS_RT is not set
# CONFIG_XFS_QUOTA is not set
#
# Network File Systems
......@@ -324,25 +260,20 @@ CONFIG_EXT2_FS=y
# CONFIG_CODA_FS is not set
# CONFIG_INTERMEZZO_FS is not set
CONFIG_NFS_FS=y
# CONFIG_NFS_V3 is not set
# CONFIG_ROOT_NFS is not set
CONFIG_NFS_V3=y
# CONFIG_NFS_V4 is not set
CONFIG_NFSD=y
# CONFIG_NFSD_V3 is not set
CONFIG_NFSD_V3=y
# CONFIG_NFSD_V4 is not set
# CONFIG_NFSD_TCP is not set
CONFIG_SUNRPC=y
CONFIG_LOCKD=y
CONFIG_LOCKD_V4=y
CONFIG_EXPORTFS=y
# CONFIG_CIFS is not set
# CONFIG_SMB_FS is not set
# CONFIG_NCP_FS is not set
# CONFIG_NCPFS_PACKET_SIGNING is not set
# CONFIG_NCPFS_IOCTL_LOCKING is not set
# CONFIG_NCPFS_STRONG is not set
# CONFIG_NCPFS_NFS_NS is not set
# CONFIG_NCPFS_OS2_NS is not set
# CONFIG_NCPFS_SMALLDOS is not set
# CONFIG_NCPFS_NLS is not set
# CONFIG_NCPFS_EXTRAS is not set
# CONFIG_ZISOFS_FS is not set
# CONFIG_AFS_FS is not set
#
# Partition Types
......@@ -360,8 +291,6 @@ CONFIG_IBM_PARTITION=y
# CONFIG_ULTRIX_PARTITION is not set
# CONFIG_SUN_PARTITION is not set
# CONFIG_EFI_PARTITION is not set
# CONFIG_SMB_NLS is not set
# CONFIG_NLS is not set
#
# Kernel hacking
......@@ -373,9 +302,20 @@ CONFIG_MAGIC_SYSRQ=y
#
CONFIG_SECURITY_CAPABILITIES=y
#
# Cryptographic options
#
CONFIG_CRYPTO=y
# CONFIG_CRYPTO_HMAC is not set
# CONFIG_CRYPTO_MD4 is not set
# CONFIG_CRYPTO_MD5 is not set
# CONFIG_CRYPTO_SHA1 is not set
# CONFIG_CRYPTO_SHA256 is not set
# CONFIG_CRYPTO_DES is not set
# CONFIG_CRYPTO_BLOWFISH is not set
# CONFIG_CRYPTO_TEST is not set
#
# Library routines
#
# CONFIG_CRC32 is not set
# CONFIG_ZLIB_INFLATE is not set
# CONFIG_ZLIB_DEFLATE is not set
arch/s390/vmlinux.lds.S
View file @ f2f04b19
......@@ -25,6 +25,7 @@ SECTIONS
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
. = ALIGN(64);
__start___ksymtab = .; /* Kernel symbol table */
__ksymtab : { *(__ksymtab) }
__stop___ksymtab = .;
......@@ -40,18 +41,31 @@ SECTIONS
CONSTRUCTORS
}
. = ALIGN(4096);
__nosave_begin = .;
.data_nosave : { *(.data.nosave) }
. = ALIGN(4096);
__nosave_end = .;
. = ALIGN(4096);
.data.page_aligned : { *(.data.idt) }
. = ALIGN(32);
.data.cacheline_aligned : { *(.data.cacheline_aligned) }
_edata = .; /* End of data section */
. = ALIGN(8192); /* init_task */
.data.init_task : { *(.data.init_task) }
/* will be freed after init */
. = ALIGN(4096); /* Init code and data */
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
.init.text : { *(.init.text) }
.init.data : { *(.init.data) }
. = ALIGN(256);
__setup_start = .;
.setup.init : { *(.setup.init) }
.init.setup : { *(.init.setup) }
__setup_end = .;
__initcall_start = .;
.initcall.init : {
......@@ -65,23 +79,29 @@ SECTIONS
}
__initcall_end = .;
. = ALIGN(256);
__initramfs_start = .;
.init.ramfs : { *(.init.initramfs) }
__initramfs_end = .;
. = ALIGN(256);
__per_cpu_start = .;
.data.percpu : { *(.data.percpu) }
__per_cpu_end = .;
. = ALIGN(4096);
__init_end = .;
/* freed after init ends here */
. = ALIGN(32);
.data.cacheline_aligned : { *(.data.cacheline_aligned) }
__bss_start = .; /* BSS */
.bss : { *(.bss) }
__bss_stop = .;
. = ALIGN(4096);
.data.page_aligned : { *(.data.idt) }
_end = . ;
__bss_start = .; /* BSS */
.bss : {
*(.bss)
/* Sections to be discarded */
/DISCARD/ : {
*(.exit.text)
*(.exit.data)
*(.exitcall.exit)
}
_end = . ;
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
......
arch/s390x/Kconfig
View file @ f2f04b19
......@@ -11,38 +11,6 @@ config SWAP
bool
default y
config ISA
bool
help
Find out whether you have ISA slots on your motherboard. ISA is the
name of a bus system, i.e. the way the CPU talks to the other stuff
inside your box. Other bus systems are PCI, EISA, MicroChannel
(MCA) or VESA. ISA is an older system, now being displaced by PCI;
newer boards don't support it. If you have ISA, say Y, otherwise N.
config EISA
bool
---help---
The Extended Industry Standard Architecture (EISA) bus was
developed as an open alternative to the IBM MicroChannel bus.
The EISA bus provided some of the features of the IBM MicroChannel
bus while maintaining backward compatibility with cards made for
the older ISA bus. The EISA bus saw limited use between 1988 and
1995 when it was made obsolete by the PCI bus.
Say Y here if you are building a kernel for an EISA-based machine.
Otherwise, say N.
config MCA
bool
help
MicroChannel Architecture is found in some IBM PS/2 machines and
laptops. It is a bus system similar to PCI or ISA. See
<file:Documentation/mca.txt> (and especially the web page given
there) before attempting to build an MCA bus kernel.
config RWSEM_GENERIC_SPINLOCK
bool
......@@ -108,6 +76,13 @@ config NR_CPUS
int "Maximum number of CPUs (2-64)"
depends on SMP
default "64"
help
This allows you to specify the maximum number of CPUs which this
kernel will support. The maximum supported value is 64 and the
minimum value which makes sense is 2.
This is purely to save memory - each supported CPU adds
approximately sixteen kilobytes to the kernel image.
config S390_SUPPORT
bool "Kernel support for 31 bit emulation"
......@@ -161,6 +136,14 @@ comment "Misc"
config PREEMPT
bool "Preemptible Kernel"
help
This option reduces the latency of the kernel when reacting to
real-time or interactive events by allowing a low priority process to
be preempted even if it is in kernel mode executing a system call.
This allows applications to run more reliably even when the system is
under load.
Say N if you are unsure.
config IPL
bool "Builtin IPL record support"
......
arch/s390x/Makefile
View file @ f2f04b19
......@@ -16,7 +16,8 @@
LDFLAGS := -m elf64_s390
OBJCOPYFLAGS := -O binary
LDFLAGS_vmlinux := -e start
MODFLAGS += -fpic
MODFLAGS += -fpic -D__PIC__
LDFLAGS_BLOB := --format binary --oformat elf64-s390
CFLAGS += -pipe -fno-strength-reduce
......@@ -28,18 +29,14 @@ libs-y += arch/s390x/lib/
all: image listing
listing: vmlinux
@$(MAKEBOOT) listing
makeboot = $(call descend,arch/$(ARCH)/boot,$(1))
BOOTIMAGE= arch/$(ARCH)/boot/image
MAKEBOOT = $(MAKE) -C arch/$(ARCH)/boot
image: vmlinux
@$(MAKEBOOT) image
install: vmlinux
@$(MAKEBOOT) BOOTIMAGE=image install
listing install image: vmlinux
+@$(call makeboot,BOOTIMAGE=$(BOOTIMAGE) $@)
archclean:
+@$(call makeboot,clean)
archmrproper:
......
arch/s390x/boot/Makefile
View file @ f2f04b19
......@@ -6,22 +6,22 @@ EXTRA_AFLAGS := -traditional
include $(TOPDIR)/Rules.make
%.lnk: %.o
$(LD) -Ttext 0x0 -o $@ $<
quiet_cmd_listing = OBJDUMP $(echo_target)
cmd_listing = $(OBJDUMP) --disassemble --disassemble-all \
--disassemble-zeroes --reloc vmlinux > $@
%.boot: %.lnk
$(OBJCOPY) $(OBJCOPYFLAGS) $< $@
$(obj)/image: vmlinux
$(call if_changed,objcopy)
image: $(TOPDIR)/vmlinux \
iplfba.boot ipleckd.boot ipldump.boot
$(OBJCOPY) $(OBJCOPYFLAGS) $< $@
$(NM) $(TOPDIR)/vmlinux | grep -v '\(compiled\)\|\( [aUw] \)\|\(\.\)\|\(LASH[RL]DI\)' | sort > $(TOPDIR)/System.map
$(obj)/listing: vmlinux
$(call if_changed,listing)
listing: ../../../vmlinux
$(OBJDUMP) --disassemble --disassemble-all --disassemble-zeroes --reloc $(TOPDIR)/vmlinux > listing
image: $(obj)/image
listing: $(obj)/listing
clean:
rm -f image listing iplfba.boot ipleckd.boot ipldump.boot
rm -f $(obj)/image $(obj)/listing
install: $(CONFIGURE) $(BOOTIMAGE)
sh -x ./install.sh $(KERNELRELEASE) $(BOOTIMAGE) $(TOPDIR)/System.map $(TOPDIR)/Kerntypes "$(INSTALL_PATH)"
sh -x $(obj)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map Kerntypes "$(INSTALL_PATH)"
arch/s390x/defconfig
View file @ f2f04b19
This diff is collapsed.
arch/s390x/vmlinux.lds.S
View file @ f2f04b19
/* ld script to make s390 Linux kernel
/*
* Written by Martin Schwidefsky (schwidefsky@de.ibm.com)
*/
OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
......@@ -25,6 +25,7 @@ SECTIONS
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
. = ALIGN(64);
__start___ksymtab = .; /* Kernel symbol table */
__ksymtab : { *(__ksymtab) }
__stop___ksymtab = .;
......@@ -40,18 +41,31 @@ SECTIONS
CONSTRUCTORS
}
. = ALIGN(4096);
__nosave_begin = .;
.data_nosave : { *(.data.nosave) }
. = ALIGN(4096);
__nosave_end = .;
. = ALIGN(4096);
.data.page_aligned : { *(.data.idt) }
. = ALIGN(32);
.data.cacheline_aligned : { *(.data.cacheline_aligned) }
_edata = .; /* End of data section */
. = ALIGN(16384); /* init_task */
. = ALIGN(8192); /* init_task */
.data.init_task : { *(.data.init_task) }
/* will be freed after init */
. = ALIGN(4096); /* Init code and data */
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
.init.text : { *(.init.text) }
.init.data : { *(.init.data) }
. = ALIGN(256);
__setup_start = .;
.setup.init : { *(.setup.init) }
.init.setup : { *(.init.setup) }
__setup_end = .;
__initcall_start = .;
.initcall.init : {
......@@ -65,24 +79,29 @@ SECTIONS
}
__initcall_end = .;
. = ALIGN(256);
__initramfs_start = .;
.init.ramfs : { *(.init.initramfs) }
__initramfs_end = .;
. = ALIGN(256);
__per_cpu_start = .;
.data.percpu : { *(.data.percpu) }
__per_cpu_end = .;
. = ALIGN(4096);
__init_end = .;
/* freed after init ends here */
. = ALIGN(32);
.data.cacheline_aligned : { *(.data.cacheline_aligned) }
. = ALIGN(4096);
.data.page_aligned : { *(.data.idt) }
__bss_start = .; /* BSS */
.bss : { *(.bss) }
__bss_stop = .;
_end = . ;
__bss_start = .; /* BSS */
.bss : {
*(.bss)
/* Sections to be discarded */
/DISCARD/ : {
*(.exit.text)
*(.exit.data)
*(.exitcall.exit)
}
_end = . ;
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
......
drivers/s390/block/Makefile
View file @ f2f04b19
......@@ -11,9 +11,9 @@ dasd_mod-objs := dasd.o dasd_ioctl.o dasd_proc.o dasd_devmap.o \
dasd_genhd.o dasd_erp.o
obj-$(CONFIG_DASD) += dasd_mod.o
obj-$(CONFIG_DASD_DIAG) += dasd_diag_mod.o
obj-$(CONFIG_DASD_ECKD) += dasd_eckd_mod.o
obj-$(CONFIG_DASD_FBA) += dasd_fba_mod.o
obj-$(CONFIG_DASD_DIAG) += dasd_diag_mod.o
obj-$(CONFIG_BLK_DEV_XPRAM) += xpram.o
include $(TOPDIR)/Rules.make
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