diff options
107 files changed, 2236 insertions, 796 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 27e0488d54d2..661efd4dab6b 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -741,10 +741,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. See Documentation/block/cfq-iosched.txt and Documentation/block/deadline-iosched.txt for details. - elfcorehdr= [IA-64,PPC,SH,X86] + elfcorehdr=[size[KMG]@]offset[KMG] [IA64,PPC,SH,X86,S390] Specifies physical address of start of kernel core - image elf header. Generally kexec loader will - pass this option to capture kernel. + image elf header and optionally the size. Generally + kexec loader will pass this option to capture kernel. See Documentation/kdump/kdump.txt for details. enable_mtrr_cleanup [X86] diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 6b99fc3f9b63..a9fbd43395f7 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -569,6 +569,16 @@ config KEXEC current kernel, and to start another kernel. It is like a reboot but is independent of hardware/microcode support. +config CRASH_DUMP + bool "kernel crash dumps" + depends on 64BIT + help + Generate crash dump after being started by kexec. + Crash dump kernels are loaded in the main kernel with kexec-tools + into a specially reserved region and then later executed after + a crash by kdump/kexec. + For more details see Documentation/kdump/kdump.txt + config ZFCPDUMP def_bool n prompt "zfcpdump support" diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c index 028f23ea81d1..465eca756feb 100644 --- a/arch/s390/boot/compressed/misc.c +++ b/arch/s390/boot/compressed/misc.c @@ -61,7 +61,7 @@ static unsigned long free_mem_end_ptr; extern _sclp_print_early(const char *); -int puts(const char *s) +static int puts(const char *s) { _sclp_print_early(s); return 0; diff --git a/arch/s390/defconfig b/arch/s390/defconfig index 29c82c640a88..6cf8e26b3137 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -68,7 +68,7 @@ CONFIG_NET_CLS_RSVP6=m CONFIG_NET_CLS_ACT=y CONFIG_NET_ACT_POLICE=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" -# CONFIG_FIRMWARE_IN_KERNEL is not set +CONFIG_DEVTMPFS=y CONFIG_BLK_DEV_LOOP=m CONFIG_BLK_DEV_NBD=m CONFIG_BLK_DEV_RAM=y diff --git a/arch/s390/include/asm/ccwdev.h b/arch/s390/include/asm/ccwdev.h index 623f2fb71774..9381c92cc779 100644 --- a/arch/s390/include/asm/ccwdev.h +++ b/arch/s390/include/asm/ccwdev.h @@ -11,6 +11,7 @@ #include <linux/device.h> #include <linux/mod_devicetable.h> #include <asm/fcx.h> +#include <asm/irq.h> /* structs from asm/cio.h */ struct irb; @@ -127,6 +128,7 @@ enum uc_todo { * @restore: callback for restoring after hibernation * @uc_handler: callback for unit check handler * @driver: embedded device driver structure + * @int_class: interruption class to use for accounting interrupts */ struct ccw_driver { struct ccw_device_id *ids; @@ -144,6 +146,7 @@ struct ccw_driver { int (*restore)(struct ccw_device *); enum uc_todo (*uc_handler) (struct ccw_device *, struct irb *); struct device_driver driver; + enum interruption_class int_class; }; extern struct ccw_device *get_ccwdev_by_busid(struct ccw_driver *cdrv, diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h index cdb9b78f6c08..2e49748b27da 100644 --- a/arch/s390/include/asm/compat.h +++ b/arch/s390/include/asm/compat.h @@ -12,6 +12,7 @@ #define PSW32_MASK_IO 0x02000000UL #define PSW32_MASK_EXT 0x01000000UL #define PSW32_MASK_KEY 0x00F00000UL +#define PSW32_MASK_BASE 0x00080000UL /* Always one */ #define PSW32_MASK_MCHECK 0x00040000UL #define PSW32_MASK_WAIT 0x00020000UL #define PSW32_MASK_PSTATE 0x00010000UL @@ -19,21 +20,19 @@ #define PSW32_MASK_CC 0x00003000UL #define PSW32_MASK_PM 0x00000f00UL -#define PSW32_ADDR_AMODE31 0x80000000UL +#define PSW32_MASK_USER 0x00003F00UL + +#define PSW32_ADDR_AMODE 0x80000000UL #define PSW32_ADDR_INSN 0x7FFFFFFFUL -#define PSW32_BASE_BITS 0x00080000UL +#define PSW32_DEFAULT_KEY (((u32) PAGE_DEFAULT_ACC) << 20) #define PSW32_ASC_PRIMARY 0x00000000UL #define PSW32_ASC_ACCREG 0x00004000UL #define PSW32_ASC_SECONDARY 0x00008000UL #define PSW32_ASC_HOME 0x0000C000UL -#define PSW32_MASK_MERGE(CURRENT,NEW) \ - (((CURRENT) & ~(PSW32_MASK_CC|PSW32_MASK_PM)) | \ - ((NEW) & (PSW32_MASK_CC|PSW32_MASK_PM))) - -extern long psw32_user_bits; +extern u32 psw32_user_bits; #define COMPAT_USER_HZ 100 #define COMPAT_UTS_MACHINE "s390\0\0\0\0" diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h index 97cc4403fabf..6940abfbe1d9 100644 --- a/arch/s390/include/asm/ipl.h +++ b/arch/s390/include/asm/ipl.h @@ -168,5 +168,6 @@ enum diag308_rc { extern int diag308(unsigned long subcode, void *addr); extern void diag308_reset(void); +extern void store_status(void); #endif /* _ASM_S390_IPL_H */ diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h index ba7b01c726a3..ba6d85f88d50 100644 --- a/arch/s390/include/asm/irq.h +++ b/arch/s390/include/asm/irq.h @@ -8,7 +8,8 @@ enum interruption_class { EXTERNAL_INTERRUPT, IO_INTERRUPT, EXTINT_CLK, - EXTINT_IPI, + EXTINT_EXC, + EXTINT_EMS, EXTINT_TMR, EXTINT_TLA, EXTINT_PFL, @@ -17,8 +18,8 @@ enum interruption_class { EXTINT_SCP, EXTINT_IUC, EXTINT_CPM, + IOINT_CIO, IOINT_QAI, - IOINT_QDI, IOINT_DAS, IOINT_C15, IOINT_C70, @@ -28,6 +29,7 @@ enum interruption_class { IOINT_CLW, IOINT_CTC, IOINT_APB, + IOINT_CSC, NMI_NMI, NR_IRQS, }; diff --git a/arch/s390/include/asm/kexec.h b/arch/s390/include/asm/kexec.h index bb729b84a21e..cf4e47b0948c 100644 --- a/arch/s390/include/asm/kexec.h +++ b/arch/s390/include/asm/kexec.h @@ -30,9 +30,15 @@ /* Not more than 2GB */ #define KEXEC_CONTROL_MEMORY_LIMIT (1UL<<31) +/* Maximum address we can use for the crash control pages */ +#define KEXEC_CRASH_CONTROL_MEMORY_LIMIT (-1UL) + /* Allocate one page for the pdp and the second for the code */ #define KEXEC_CONTROL_PAGE_SIZE 4096 +/* Alignment of crashkernel memory */ +#define KEXEC_CRASH_MEM_ALIGN HPAGE_SIZE + /* The native architecture */ #define KEXEC_ARCH KEXEC_ARCH_S390 diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 1ca5de07ac36..24e18473d926 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -145,6 +145,7 @@ struct kvm_vcpu_stat { u32 instruction_sigp_arch; u32 instruction_sigp_prefix; u32 instruction_sigp_restart; + u32 diagnose_10; u32 diagnose_44; }; diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index e85c911aabf0..9e13c7d56cc1 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -151,10 +151,8 @@ struct _lowcore { */ __u32 ipib; /* 0x0e00 */ __u32 ipib_checksum; /* 0x0e04 */ - - /* 64 bit save area */ - __u64 save_area_64; /* 0x0e08 */ - __u8 pad_0x0e10[0x0f00-0x0e10]; /* 0x0e10 */ + __u32 vmcore_info; /* 0x0e08 */ + __u8 pad_0x0e0c[0x0f00-0x0e0c]; /* 0x0e0c */ /* Extended facility list */ __u64 stfle_fac_list[32]; /* 0x0f00 */ @@ -290,9 +288,7 @@ struct _lowcore { */ __u64 ipib; /* 0x0e00 */ __u32 ipib_checksum; /* 0x0e08 */ - - /* 64 bit save area */ - __u64 save_area_64; /* 0x0e0c */ + __u64 vmcore_info; /* 0x0e0c */ __u8 pad_0x0e14[0x0f00-0x0e14]; /* 0x0e14 */ /* Extended facility list */ diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h index accb372ddc7e..f7ec548c2b9d 100644 --- a/arch/s390/include/asm/page.h +++ b/arch/s390/include/asm/page.h @@ -177,6 +177,7 @@ static inline int page_test_and_clear_young(unsigned long pfn) struct page; void arch_free_page(struct page *page, int order); void arch_alloc_page(struct page *page, int order); +void arch_set_page_states(int make_stable); static inline int devmem_is_allowed(unsigned long pfn) { diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index c0cb794bb365..34ede0ea85a9 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -696,7 +696,9 @@ void gmap_disable(struct gmap *gmap); int gmap_map_segment(struct gmap *gmap, unsigned long from, unsigned long to, unsigned long length); int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len); +unsigned long __gmap_fault(unsigned long address, struct gmap *); unsigned long gmap_fault(unsigned long address, struct gmap *); +void gmap_discard(unsigned long from, unsigned long to, struct gmap *); /* * Certain architectures need to do special things when PTEs diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index a4b6229e5d4b..5f33d37d032c 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -33,6 +33,8 @@ static inline void get_cpu_id(struct cpuid *ptr) extern void s390_adjust_jiffies(void); extern int get_cpu_capability(unsigned int *); +extern const struct seq_operations cpuinfo_op; +extern int sysctl_ieee_emulation_warnings; /* * User space proc |