diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-19 11:35:30 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-19 11:35:30 -0700 |
commit | ba0234ec35127fe21d373db53cbaf9fe20620cb6 (patch) | |
tree | a2cbef204482512ae9e723f2bf4d22051975ef45 /arch | |
parent | 537b60d17894b7c19a6060feae40299d7109d6e7 (diff) | |
parent | 939e379e9e183ae6291ac7caa4a5e1dfadae4ccc (diff) |
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (24 commits)
[S390] drivers/s390/char: Use kmemdup
[S390] drivers/s390/char: Use kstrdup
[S390] debug: enable exception-trace debug facility
[S390] s390_hypfs: Add new attributes
[S390] qdio: remove API wrappers
[S390] qdio: set correct bit in dsci
[S390] qdio: dont convert timestamps to microseconds
[S390] qdio: remove memset hack
[S390] qdio: prevent starvation on PCI devices
[S390] qdio: count number of qdio interrupts
[S390] user space fault: report fault before calling do_exit
[S390] topology: expose core identifier
[S390] dasd: remove uid from devmap
[S390] dasd: add dynamic pav toleration
[S390] vdso: add missing vdso_install target
[S390] vdso: remove redundant check for CONFIG_64BIT
[S390] avoid default_llseek in s390 drivers
[S390] vmcp: disallow modular build
[S390] add breaking event address for user space
[S390] virtualization aware cpu measurement
...
Diffstat (limited to 'arch')
34 files changed, 969 insertions, 697 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 0d8cd9bbe101..79d0ca086820 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -444,13 +444,6 @@ config FORCE_MAX_ZONEORDER int default "9" -config PROCESS_DEBUG - bool "Show crashed user process info" - help - Say Y to print all process fault locations to the console. This is - a debugging option; you probably do not want to set it unless you - are an S390 port maintainer. - config PFAULT bool "Pseudo page fault support" help diff --git a/arch/s390/Makefile b/arch/s390/Makefile index 0da10746e0e5..30c5f01f93b0 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile @@ -116,6 +116,12 @@ image bzImage: vmlinux zfcpdump: $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ +vdso_install: +ifeq ($(CONFIG_64BIT),y) + $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@ +endif + $(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@ + archclean: $(Q)$(MAKE) $(clean)=$(boot) diff --git a/arch/s390/hypfs/hypfs.h b/arch/s390/hypfs/hypfs.h index aea572009d60..fa487d4cc08b 100644 --- a/arch/s390/hypfs/hypfs.h +++ b/arch/s390/hypfs/hypfs.h @@ -11,6 +11,7 @@ #include <linux/fs.h> #include <linux/types.h> +#include <linux/debugfs.h> #define REG_FILE_MODE 0440 #define UPDATE_FILE_MODE 0220 @@ -34,6 +35,9 @@ extern int hypfs_diag_create_files(struct super_block *sb, struct dentry *root); /* VM Hypervisor */ extern int hypfs_vm_init(void); +extern void hypfs_vm_exit(void); extern int hypfs_vm_create_files(struct super_block *sb, struct dentry *root); +/* Directory for debugfs files */ +extern struct dentry *hypfs_dbfs_dir; #endif /* _HYPFS_H_ */ diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c index 5b1acdba6495..1211bb1d2f24 100644 --- a/arch/s390/hypfs/hypfs_diag.c +++ b/arch/s390/hypfs/hypfs_diag.c @@ -15,6 +15,7 @@ #include <linux/slab.h> #include <linux/string.h> #include <linux/vmalloc.h> +#include <linux/mm.h> #include <asm/ebcdic.h> #include "hypfs.h" @@ -22,6 +23,8 @@ #define CPU_NAME_LEN 16 /* type name len of cpus in diag224 name table */ #define TMP_SIZE 64 /* size of temporary buffers */ +#define DBFS_D204_HDR_VERSION 0 + /* diag 204 subcodes */ enum diag204_sc { SUBC_STIB4 = 4, @@ -47,6 +50,8 @@ static void *diag204_buf; /* 4K aligned buffer for diag204 data */ static void *diag204_buf_vmalloc; /* vmalloc pointer for diag204 data */ static int diag204_buf_pages; /* number of pages for diag204 data */ +static struct dentry *dbfs_d204_file; + /* * DIAG 204 data structures and member access functions. * @@ -364,18 +369,21 @@ static void diag204_free_buffer(void) } else { free_pages((unsigned long) diag204_buf, 0); } - diag204_buf_pages = 0; diag204_buf = NULL; } +static void *page_align_ptr(void *ptr) +{ + return (void *) PAGE_ALIGN((unsigned long) ptr); +} + static void *diag204_alloc_vbuf(int pages) { /* The buffer has to be page aligned! */ diag204_buf_vmalloc = vmalloc(PAGE_SIZE * (pages + 1)); if (!diag204_buf_vmalloc) return ERR_PTR(-ENOMEM); - diag204_buf = (void*)((unsigned long)diag204_buf_vmalloc - & ~0xfffUL) + 0x1000; + diag204_buf = page_align_ptr(diag204_buf_vmalloc); diag204_buf_pages = pages; return diag204_buf; } @@ -468,17 +476,26 @@ fail_alloc: return rc; } +static int diag204_do_store(void *buf, int pages) +{ + int rc; + + rc = diag204((unsigned long) diag204_store_sc | + (unsigned long) diag204_info_type, pages, buf); + return rc < 0 ? -ENOSYS : 0; +} + static void *diag204_store(void) { void *buf; - int pages; + int pages, rc; buf = diag204_get_buffer(diag204_info_type, &pages); if (IS_ERR(buf)) goto out; - if (diag204((unsigned long)diag204_store_sc | - (unsigned long)diag204_info_type, pages, buf) < 0) - return ERR_PTR(-ENOSYS); + rc = diag204_do_store(buf, pages); + if (rc) + return ERR_PTR(rc); out: return buf; } @@ -526,6 +543,92 @@ static int diag224_idx2name(int index, char *name) return 0; } +struct dbfs_d204_hdr { + u64 len; /* Length of d204 buffer without header */ + u16 version; /* Version of header */ + u8 sc; /* Used subcode */ + char reserved[53]; +} __attribute__ ((packed)); + +struct dbfs_d204 { + struct dbfs_d204_hdr hdr; /* 64 byte header */ + char buf[]; /* d204 buffer */ +} __attribute__ ((packed)); + +struct dbfs_d204_private { + struct dbfs_d204 *d204; /* Aligned d204 data with header */ + void *base; /* Base pointer (needed for vfree) */ +}; + +static int dbfs_d204_open(struct inode *inode, struct file *file) +{ + struct dbfs_d204_private *data; + struct dbfs_d204 *d204; + int rc, buf_size; + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + buf_size = PAGE_SIZE * (diag204_buf_pages + 1) + sizeof(d204->hdr); + data->base = vmalloc(buf_size); + if (!data->base) { + rc = -ENOMEM; + goto fail_kfree_data; + } + memset(data->base, 0, buf_size); + d204 = page_align_ptr(data->base + sizeof(d204->hdr)) + - sizeof(d204->hdr); + rc = diag204_do_store(&d204->buf, diag204_buf_pages); + if (rc) + goto fail_vfree_base; + d204->hdr.version = DBFS_D204_HDR_VERSION; + d204->hdr.len = PAGE_SIZE * diag204_buf_pages; + d204->hdr.sc = diag204_store_sc; + data->d204 = d204; + file->private_data = data; + return nonseekable_open(inode, file); + +fail_vfree_base: + vfree(data->base); +fail_kfree_data: + kfree(data); + return rc; +} + +static int dbfs_d204_release(struct inode *inode, struct file *file) +{ + struct dbfs_d204_private *data = file->private_data; + + vfree(data->base); + kfree(data); + return 0; +} + +static ssize_t dbfs_d204_read(struct file *file, char __user *buf, + size_t size, loff_t *ppos) +{ + struct dbfs_d204_private *data = file->private_data; + + return simple_read_from_buffer(buf, size, ppos, data->d204, + data->d204->hdr.len + + sizeof(data->d204->hdr)); +} + +static const struct file_operations dbfs_d204_ops = { + .open = dbfs_d204_open, + .read = dbfs_d204_read, + .release = dbfs_d204_release, +}; + +static int hypfs_dbfs_init(void) +{ + dbfs_d204_file = debugfs_create_file("diag_204", 0400, hypfs_dbfs_dir, + NULL, &dbfs_d204_ops); + if (IS_ERR(dbfs_d204_file)) + return PTR_ERR(dbfs_d204_file); + return 0; +} + __init int hypfs_diag_init(void) { int rc; @@ -540,11 +643,17 @@ __init int hypfs_diag_init(void) pr_err("The hardware system does not provide all " "functions required by hypfs\n"); } + if (diag204_info_type == INFO_EXT) { + rc = hypfs_dbfs_init(); + if (rc) + diag204_free_buffer(); + } return rc; } void hypfs_diag_exit(void) { + debugfs_remove(dbfs_d204_file); diag224_delete_name_table(); diag204_free_buffer(); } diff --git a/arch/s390/hypfs/hypfs_vm.c b/arch/s390/hypfs/hypfs_vm.c index f0b0d31f0b48..ee5ab1a578e7 100644 --- a/arch/s390/hypfs/hypfs_vm.c +++ b/arch/s390/hypfs/hypfs_vm.c @@ -10,14 +10,18 @@ #include <linux/string.h> #include <linux/vmalloc.h> #include <asm/ebcdic.h> +#include <asm/timex.h> #include "hypfs.h" #define NAME_LEN 8 +#define DBFS_D2FC_HDR_VERSION 0 static char local_guest[] = " "; static char all_guests[] = "* "; static char *guest_query; +static struct dentry *dbfs_d2fc_file; + struct diag2fc_data { __u32 version; __u32 flags; @@ -76,23 +80,26 @@ static int diag2fc(int size, char* query, void *addr) return -residual_cnt; } -static struct diag2fc_data *diag2fc_store(char *query, int *count) +/* + * Allocate buffer for "query" and store diag 2fc at "offset" + */ +static void *diag2fc_store(char *query, unsigned int *count, int offset) { + void *data; int size; - struct diag2fc_data *data; do { size = diag2fc(0, query, NULL); if (size < 0) return ERR_PTR(-EACCES); - data = vmalloc(size); + data = vmalloc(size + offset); if (!data) return ERR_PTR(-ENOMEM); - if (diag2fc(size, query, data) == 0) + if (diag2fc(size, query, data + offset) == 0) break; vfree(data); } while (1); - *count = (size / sizeof(*data)); + *count = (size / sizeof(struct diag2fc_data)); return data; } @@ -168,9 +175,10 @@ int hypfs_vm_create_files(struct super_block *sb, struct dentry *root) { struct dentry *dir, *file; struct diag2fc_data *data; - int rc, i, count = 0; + unsigned int count = 0; + int rc, i; - data = diag2fc_store(guest_query, &count); + data = diag2fc_store(guest_query, &count, 0); if (IS_ERR(data)) return PTR_ERR(data); @@ -218,8 +226,61 @@ failed: return rc; } +struct dbfs_d2fc_hdr { + u64 len; /* Length of d2fc buffer without header */ + u16 version; /* Version of header */ + char tod_ext[16]; /* TOD clock for d2fc */ + u64 count; /* Number of VM guests in d2fc buffer */ + char reserved[30]; +} __attribute__ ((packed)); + +struct dbfs_d2fc { + struct dbfs_d2fc_hdr hdr; /* 64 byte header */ + char buf[]; /* d2fc buffer */ +} __attribute__ ((packed)); + +static int dbfs_d2fc_open(struct inode *inode, struct file *file) +{ + struct dbfs_d2fc *data; + unsigned int count; + + data = diag2fc_store(guest_query, &count, sizeof(data->hdr)); + if (IS_ERR(data)) + return PTR_ERR(data); + get_clock_ext(data->hdr.tod_ext); + data->hdr.len = count * sizeof(struct diag2fc_data); + data->hdr.version = DBFS_D2FC_HDR_VERSION; + data->hdr.count = count; + memset(&data->hdr.reserved, 0, sizeof(data->hdr.reserved)); + file->private_data = data; + return nonseekable_open(inode, file); +} + +static int dbfs_d2fc_release(struct inode *inode, struct file *file) +{ + diag2fc_free(file->private_data); + return 0; +} + +static ssize_t dbfs_d2fc_read(struct file *file, char __user *buf, + size_t size, loff_t *ppos) +{ + struct dbfs_d2fc *data = file->private_data; + + return simple_read_from_buffer(buf, size, ppos, data, data->hdr.len + + sizeof(struct dbfs_d2fc_hdr)); +} + +static const struct file_operations dbfs_d2fc_ops = { + .open = dbfs_d2fc_open, + .read = dbfs_d2fc_read, + .release = dbfs_d2fc_release, +}; + int hypfs_vm_init(void) { + if (!MACHINE_IS_VM) + return 0; if (diag2fc(0, all_guests, NULL) > 0) guest_query = all_guests; else if (diag2fc(0, local_guest, NULL) > 0) @@ -227,5 +288,17 @@ int hypfs_vm_init(void) else return -EACCES; + dbfs_d2fc_file = debugfs_create_file("diag_2fc", 0400, hypfs_dbfs_dir, + NULL, &dbfs_d2fc_ops); + if (IS_ERR(dbfs_d2fc_file)) + return PTR_ERR(dbfs_d2fc_file); + return 0; } + +void hypfs_vm_exit(void) +{ + if (!MACHINE_IS_VM) + return; + debugfs_remove(dbfs_d2fc_file); +} diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index c53f8ac825ca..6b120f073043 100644 --- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -46,6 +46,8 @@ static const struct super_operations hypfs_s_ops; /* start of list of all dentries, which have to be deleted on update */ static struct dentry *hypfs_last_dentry; +struct dentry *hypfs_dbfs_dir; + static void hypfs_update_update(struct super_block *sb) { struct hypfs_sb_info *sb_info = sb->s_fs_info; @@ -145,7 +147,7 @@ static int hypfs_open(struct inode *inode, struct file *filp) } mutex_unlock(&fs_info->lock); } - return 0; + return nonseekable_open(inode, filp); } static ssize_t hypfs_aio_read(struct kiocb *iocb, const struct iovec *iov, @@ -468,20 +470,22 @@ static int __init hypfs_init(void) { int rc; - if (MACHINE_IS_VM) { - if (hypfs_vm_init()) - /* no diag 2fc, just exit */ - return -ENODATA; - } else { - if (hypfs_diag_init()) { - rc = -ENODATA; - goto fail_diag; - } + hypfs_dbfs_dir = debugfs_create_dir("s390_hypfs", NULL); + if (IS_ERR(hypfs_dbfs_dir)) + return PTR_ERR(hypfs_dbfs_dir); + + if (hypfs_diag_init()) { + rc = -ENODATA; + goto fail_debugfs_remove; + } + if (hypfs_vm_init()) { + rc = -ENODATA; + goto fail_hypfs_diag_exit; } s390_kobj = kobject_create_and_add("s390", hypervisor_kobj); if (!s390_kobj) { rc = -ENOMEM; - goto fail_sysfs; + goto fail_hypfs_vm_exit; } rc = register_filesystem(&hypfs_type); if (rc) @@ -490,18 +494,22 @@ static int __init hypfs_init(void) fail_filesystem: kobject_put(s390_kobj); -fail_sysfs: - if (!MACHINE_IS_VM) - hypfs_diag_exit(); -fail_diag: +fail_hypfs_vm_exit: + hypfs_vm_exit(); +fail_hypfs_diag_exit: + hypfs_diag_exit(); +fail_debugfs_remove: + debugfs_remove(hypfs_dbfs_dir); + pr_err("Initialization of hypfs failed with rc=%i\n", rc); return rc; } static void __exit hypfs_exit(void) { - if (!MACHINE_IS_VM) - hypfs_diag_exit(); + hypfs_diag_exit(); + hypfs_vm_exit(); + debugfs_remove(hypfs_dbfs_dir); unregister_filesystem(&hypfs_type); kobject_put(s390_kobj); } diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h index 258ba88b7b50..8b1a52a137c5 100644 --- a/arch/s390/include/asm/cputime.h +++ b/arch/s390/include/asm/cputime.h @@ -188,15 +188,16 @@ struct s390_idle_data { DECLARE_PER_CPU(struct s390_idle_data, s390_idle); -void vtime_start_cpu(void); +void vtime_start_cpu(__u64 int_clock, __u64 enter_timer); cputime64_t s390_get_idle_time(int cpu); #define arch_idle_time(cpu) s390_get_idle_time(cpu) -static inline void s390_idle_check(void) +static inline void s390_idle_check(struct pt_regs *regs, __u64 int_clock, + __u64 enter_timer) { - if ((&__get_cpu_var(s390_idle))->idle_enter != 0ULL) - vtime_start_cpu(); + if (regs->psw.mask & PSW_MASK_WAIT) + vtime_start_cpu(int_clock, enter_timer); } static inline int s390_nohz_delay(int cpu) diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index 05527c040b7a..0f97ef2d92ac 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -104,38 +104,39 @@ struct _lowcore { /* CPU time accounting values */ __u64 sync_enter_timer; /* 0x0250 */ __u64 async_enter_timer; /* 0x0258 */ - __u64 exit_timer; /* 0x0260 */ - __u64 user_timer; /* 0x0268 */ - __u64 system_timer; /* 0x0270 */ - __u64 steal_timer; /* 0x0278 */ - __u64 last_update_timer; /* 0x0280 */ - __u64 last_update_clock; /* 0x0288 */ + __u64 mcck_enter_timer; /* 0x0260 */ + __u64 exit_timer; /* 0x0268 */ + __u64 user_timer; /* 0x0270 */ + __u64 system_timer; /* 0x0278 */ + __u64 steal_timer; /* 0x0280 */ + __u64 last_update_timer; /* 0x0288 */ + __u64 last_update_clock; /* 0x0290 */ /* Current process. */ - __u32 current_task; /* 0x0290 */ - __u32 thread_info; /* 0x0294 */ - __u32 kernel_stack; /* 0x0298 */ + __u32 current_task; /* 0x0298 */ + __u32 thread_info; /* 0x029c */ + __u32 kernel_stack; /* 0x02a0 */ /* Interrupt and panic stack. */ - __u32 async_stack; /* 0x029c */ - __u32 panic_stack; /* 0x02a0 */ + __u32 async_stack; /* 0x02a4 */ + __u32 panic_stack; /* 0x02a8 */ /* Address space pointer. */ - __u32 kernel_asce; /* 0x02a4 */ - __u32 user_asce; /* 0x02a8 */ - __u32 user_exec_asce; /* 0x02ac */ + __u32 kernel_asce; /* 0x02ac */ + __u32 user_asce; /* 0x02b0 */ + __u32 user_exec_asce; /* 0x02b4 */ /* SMP info area */ - struct cpuid cpu_id; /* 0x02b0 */ __u32 cpu_nr; /* 0x02b8 */ __u32 softirq_pending; /* 0x02bc */ __u32 percpu_offset; /* 0x02c0 */ __u32 ext_call_fast; /* 0x02c4 */ __u64 int_clock; /* 0x02c8 */ - __u64 clock_comparator; /* 0x02d0 */ - __u32 machine_flags; /* 0x02d8 */ - __u32 ftrace_func; /* 0x02dc */ - __u8 pad_0x02e0[0x0300-0x02e0]; /* 0x02e0 */ + __u64 mcck_clock; /* 0x02d0 */ + __u64 clock_comparator; /* 0x02d8 */ + __u32 machine_flags; /* 0x02e0 */ + __u32 ftrace_func; /* 0x02e4 */ + __u8 pad_0x02e8[0x0300-0x02e8]; /* 0x02e8 */ /* Interrupt response block */ __u8 irb[64]; /* 0x0300 */ @@ -189,14 +190,14 @@ struct _lowcore { __u32 data_exc_code; /* 0x0090 */ __u16 mon_class_num; /* 0x0094 */ __u16 per_perc_atmid; /* 0x0096 */ - addr_t per_address; /* 0x0098 */ + __u64 per_address; /* 0x0098 */ __u8 exc_access_id; /* 0x00a0 */ __u8 per_access_id; /* 0x00a1 */ __u8 op_access_id; /* 0x00a2 */ __u8 ar_access_id; /* 0x00a3 */ __u8 pad_0x00a4[0x00a8-0x00a4]; /* 0x00a4 */ - addr_t trans_exc_code; /* 0x00a8 */ - addr_t monitor_code; /* 0x00b0 */ + __u64 trans_exc_code; /* 0x00a8 */ + __u64 monitor_code; /* 0x00b0 */ __u16 subchannel_id; /* 0x00b8 */ __u16 subchannel_nr; /* 0x00ba */ __u32 io_int_parm; /* 0x00bc */ @@ -207,7 +208,7 @@ struct _lowcore { __u32 mcck_interruption_code[2]; /* 0x00e8 */ __u8 pad_0x00f0[0x00f4-0x00f0]; /* 0x00f0 */ __u32 external_damage_code; /* 0x00f4 */ - addr_t failing_storage_address; /* 0x00f8 */ + __u64 failing_storage_address; /* 0x00f8 */ __u8 pad_0x0100[0x0110-0x0100]; /* 0x0100 */ __u64 breaking_event_addr; /* 0x0110 */ __u8 pad_0x0118[0x0120-0x0118]; /* 0x0118 */ @@ -233,39 +234,41 @@ struct _lowcore { /* CPU accounting and timing values. */ __u64 sync_enter_timer; /* 0x02a0 */ __u64 async_enter_timer; /* 0x02a8 */ - __u64 exit_timer; /* 0x02b0 */ - __u64 user_timer; /* 0x02b8 */ - __u64 system_timer; /* 0x02c0 */ - __u64 steal_timer; /* 0x02c8 */ - __u64 last_update_timer; /* 0x02d0 */ - __u64 last_update_clock; /* 0x02d8 */ + __u64 mcck_enter_timer; /* 0x02b0 */ + __u64 exit_timer; /* 0x02b8 */ + __u64 user_timer; /* 0x02c0 */ + __u64 system_timer; /* 0x02c8 */ + __u64 steal_timer; /* 0x02d0 */ + __u64 last_update_timer; /* 0x02d8 */ + __u64 last_update_clock; /* 0x02e0 */ /* Current process. */ - __u64 current_task; /* 0x02e0 */ - __u64 thread_info; /* 0x02e8 */ - __u64 kernel_stack; /* 0x02f0 */ + __u64 current_task; /* 0x02e8 */ + __u64 thread_info; /* 0x02f0 */ + __u64 kernel_stack; /* 0x02f8 */ /* Interrupt and panic stack. */ - __u64 async_stack; /* 0x02f8 */ - __u64 panic_stack; /* 0x0300 */ + __u64 async_stack; /* 0x0300 */ + __u64 panic_stack; /* 0x0308 */ /* Address space pointer. */ - __u64 kernel_asce; /* 0x0308 */ - __u64 user_asce; /* 0x0310 */ - __u64 user_exec_asce; /* 0x0318 */ + __u64 kernel_asce; /* 0x0310 */ + __u64 user_asce; /* 0x0318 */ + __u64 user_exec_asce; /* 0x0320 */ /* SMP info area */ - struct cpuid cpu_id; /* 0x0320 */ __u32 cpu_nr; /* 0x0328 */ __u32 softirq_pending; /* 0x032c */ __u64 percpu_offset; /* 0x0330 */ __u64 ext_call_fast; /* 0x0338 */ __u64 int_clock; /* 0x0340 */ - __u64 clock_comparator; /* 0x0348 */ - __u64 vdso_per_cpu_data; /* 0x0350 */ - __u64 machine_flags; /* 0x0358 */ - __u64 ftrace_func; /* 0x0360 */ - __u8 pad_0x0368[0x0380-0x0368]; /* 0x0368 */ + __u64 mcck_clock; /* 0x0348 */ + __u64 clock_comparator; /* 0x0350 */ + __u64 vdso_per_cpu_data; /* 0x0358 */ + __u64 machine_flags; /* 0x0360 */ + __u64 ftrace_func; /* 0x0368 */ + __u64 sie_hook; /* 0x0370 */ + __u64 cmf_hpp; /* 0x0378 */ /* Interrupt response block. */ __u8 irb[64]; /* 0x0380 */ diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h index fef9b33cdd59..e2c218dc68a6 100644 --- a/arch/s390/include/asm/ptrace.h +++ b/arch/s390/include/asm/ptrace.h @@ -328,8 +328,8 @@ struct pt_regs psw_t psw; unsigned long gprs[NUM_GPRS]; unsigned long orig_gpr2; - unsigned short svcnr; unsigned short ilc; + unsigned short svcnr; }; #endif @@ -436,6 +436,7 @@ typedef struct #define PTRACE_PEEKDATA_AREA 0x5003 #define PTRACE_POKETEXT_AREA 0x5004 #define PTRACE_POKEDATA_AREA 0x5005 +#define PTRACE_GET_LAST_BREAK 0x5006 /* * PT_PROT definition is loosely based on hppa bsd definition in diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index 9b04b1102bbc..0eaae6260274 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -368,14 +368,12 @@ struct qdio_initialize { #define QDIO_FLAG_SYNC_OUTPUT 0x02 #define QDIO_FLAG_PCI_OUT 0x10 -extern int qdio_initialize(struct qdio_initialize *); extern int qdio_allocate(struct qdio_initialize *); extern int qdio_establish(struct qdio_initialize *); extern int qdio_activate(struct ccw_device *); extern int do_QDIO(struct ccw_device *cdev, unsigned int callflags, int q_nr, unsigned int bufnr, unsigned int count); -extern int qdio_cleanup(struct ccw_device*, int); extern int qdio_shutdown(struct ccw_device*, int); extern int qdio_free(struct ccw_device *); extern int qdio_get_ssqd_desc(struct ccw_device *dev, struct qdio_ssqd_desc*); diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index 9ab6bd3a65d1..25e831d58e1e 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -2,7 +2,7 @@ * include/asm-s390/setup.h * * S390 version - * Copyright IBM Corp. 1999,2006 + * Copyright IBM Corp. 1999,2010 */ #ifndef _ASM_S390_SETUP_H @@ -72,6 +72,7 @@ extern unsigned int user_mode; #define MACHINE_FLAG_HPAGE (1UL << 10) #define MACHINE_FLAG_PFMF (1UL << 11) #define MACHINE_FLAG_LPAR (1UL << 12) +#define MACHINE_FLAG_SPP (1UL << 13) #define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) #define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) @@ -88,6 +89,7 @@ extern unsigned int user_mode; #define MACHINE_HAS_MVCOS (0) #define MACHINE_HAS_HPAGE (0) #define MACHINE_HAS_PFMF (0) +#define MACHINE_HAS_SPP (0) #else /* __s390x__ */ #define MACHINE_HAS_IEEE (1) #define MACHINE_HAS_CSP (1) @@ -97,6 +99,7 @@ extern unsigned int user_mode; #define MACHINE_HAS_MVCOS (S390_lowcore.machine_flags & MACHINE_FLAG_MVCOS) #define MACHINE_HAS_HPAGE (S390_lowcore.machine_flags & MACHINE_FLAG_HPAGE) #define MACHINE_HAS_PFMF (S390_lowcore.machine_flags & MACHINE_FLAG_PFMF) +#define MACHINE_HAS_SPP (S390_lowcore.machine_flags & MACHINE_FLAG_SPP) #endif /* __s390x__ */ #define ZFCPDUMP_HSA_SIZE (32UL<<20) diff --git a/arch/s390/include/asm/system.h b/arch/s390/include/asm/system.h index 1741c1556a4e..cef66210c846 100644 --- a/arch/s390/include/asm/system.h +++ b/arch/s390/include/asm/system.h @@ -459,11 +459,6 @@ extern void (*_machine_power_off)(void); #define arch_align_stack(x) (x) -#ifdef CONFIG_TRACE_IRQFLAGS -extern psw_t sysc_restore_trace_psw; -extern psw_t io_restore_trace_psw; -#endif - static inline int tprot(unsigned long addr) { int rc = -EFAULT; diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h index 34f0873d6525..be3d3f91d86c 100644 --- a/arch/s390/include/asm/thread_info.h +++ b/arch/s390/include/asm/thread_info.h @@ -50,6 +50,7 @@ struct thread_info { struct restart_block restart_block; __u64 user_timer; __u64 system_timer; + unsigned long last_break; /* last breaking-event-address. */ }; /* diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h index f174bdaa6b59..09d345a701dc 100644 --- a/arch/s390/include/asm/timex.h +++ b/arch/s390/include/asm/timex.h @@ -61,11 +61,15 @@ static inline unsigned long long get_clock (void) return clk; } +static inline void get_clock_ext(char *clk) +{ + asm volatile("stcke %0" : "=Q" (*clk) : : "cc"); +} + static inline unsigned long long get_clock_xt(void) { unsigned char clk[16]; - - asm volatile("stcke %0" : "=Q" (clk) : : "cc"); + get_clock_ext(clk); return *((unsigned long long *)&clk[1]); } diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h index 6e7211abd950..dc8a67297d0f 100644 --- a/arch/s390/include/asm/topology.h +++ b/arch/s390/include/asm/topology.h @@ -7,8 +7,10 @@ const struct cpumask *cpu_coregroup_mask(unsigned int cpu); +extern unsigned char cpu_core_id[NR_CPUS]; extern cpumask_t cpu_core_map[NR_CPUS]; +#define topology_core_id(cpu) (cpu_core_id[cpu]) #define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) int topology_set_cpu_management(int fc); diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index a09408952ed0..d9b490a2716e 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -39,6 +39,7 @@ int main(void) DEFINE(__TI_precount, offsetof(struct thread_info, preempt_count)); DEFINE(__T |