diff options
Diffstat (limited to 'arch/s390/include')
25 files changed, 244 insertions, 223 deletions
diff --git a/arch/s390/include/asm/chpid.h b/arch/s390/include/asm/chpid.h index fc71d8a6709b..8e88e2221771 100644 --- a/arch/s390/include/asm/chpid.h +++ b/arch/s390/include/asm/chpid.h @@ -6,7 +6,7 @@ */ #ifndef _ASM_S390_CHPID_H -#define _ASM_S390_CHPID_H _ASM_S390_CHPID_H +#define _ASM_S390_CHPID_H #include <linux/string.h> #include <linux/types.h> diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h index 081434878296..c23c3900c304 100644 --- a/arch/s390/include/asm/cputime.h +++ b/arch/s390/include/asm/cputime.h @@ -16,114 +16,100 @@ /* We want to use full resolution of the CPU timer: 2**-12 micro-seconds. */ -typedef unsigned long long cputime_t; -typedef unsigned long long cputime64_t; +typedef unsigned long long __nocast cputime_t; +typedef unsigned long long __nocast cputime64_t; -#ifndef __s390x__ - -static inline unsigned int -__div(unsigned long long n, unsigned int base) +static inline unsigned long __div(unsigned long long n, unsigned long base) { +#ifndef __s390x__ register_pair rp; rp.pair = n >> 1; asm ("dr %0,%1" : "+d" (rp) : "d" (base >> 1)); return rp.subreg.odd; +#else /* __s390x__ */ + return n / base; +#endif /* __s390x__ */ } -#else /* __s390x__ */ +#define cputime_one_jiffy jiffies_to_cputime(1) + +/* + * Convert cputime to jiffies and back. + */ +static inline unsigned long cputime_to_jiffies(const cputime_t cputime) +{ + return __div((__force unsigned long long) cputime, 4096000000ULL / HZ); +} -static inline unsigned int -__div(unsigned long long n, unsigned int base) +static inline cputime_t jiffies_to_cputime(const unsigned int jif) { - return n / base; + return (__force cputime_t)(jif * (4096000000ULL / HZ)); } -#endif /* __s390x__ */ +static inline u64 cputime64_to_jiffies64(cputime64_t cputime) +{ + unsigned long long jif = (__force unsigned long long) cputime; + do_div(jif, 4096000000ULL / HZ); + return jif; +} -#define cputime_zero (0ULL) -#define cputime_one_jiffy jiffies_to_cputime(1) -#define cputime_max ((~0UL >> 1) - 1) -#define cputime_add(__a, __b) ((__a) + (__b)) -#define cputime_sub(__a, __b) ((__a) - (__b)) -#define cputime_div(__a, __n) ({ \ - unsigned long long __div = (__a); \ - do_div(__div,__n); \ - __div; \ -}) -#define cputime_halve(__a) ((__a) >> 1) -#define cputime_eq(__a, __b) ((__a) == (__b)) -#define cputime_gt(__a, __b) ((__a) > (__b)) -#define cputime_ge(__a, __b) ((__a) >= (__b)) -#define cputime_lt(__a, __b) ((__a) < (__b)) -#define cputime_le(__a, __b) ((__a) <= (__b)) -#define cputime_to_jiffies(__ct) (__div((__ct), 4096000000ULL / HZ)) -#define cputime_to_scaled(__ct) (__ct) -#define jiffies_to_cputime(__hz) ((cputime_t)(__hz) * (4096000000ULL / HZ)) - -#define cputime64_zero (0ULL) -#define cputime64_add(__a, __b) ((__a) + (__b)) -#define cputime_to_cputime64(__ct) (__ct) - -static inline u64 -cputime64_to_jiffies64(cputime64_t cputime) -{ - do_div(cputime, 4096000000ULL / HZ); - return cputime; +static inline cputime64_t jiffies64_to_cputime64(const u64 jif) +{ + return (__force cputime64_t)(jif * (4096000000ULL / HZ)); } /* * Convert cputime to microseconds and back. */ -static inline unsigned int -cputime_to_usecs(const cputime_t cputime) +static inline unsigned int cputime_to_usecs(const cputime_t cputime) { - return cputime_div(cputime, 4096); + return (__force unsigned long long) cputime >> 12; } -static inline cputime_t -usecs_to_cputime(const unsigned int m) +static inline cputime_t usecs_to_cputime(const unsigned int m) { - return (cputime_t) m * 4096; + return (__force cputime_t)(m * 4096ULL); } +#define usecs_to_cputime64(m) usecs_to_cputime(m) + /* * Convert cputime to milliseconds and back. */ -static inline unsigned int -cputime_to_secs(const cputime_t cputime) +static inline unsigned int cputime_to_secs(const cputime_t cputime) { - return __div(cputime, 2048000000) >> 1; + return __div((__force unsigned long long) cputime, 2048000000) >> 1; } -static inline cputime_t -secs_to_cputime(const unsigned int s) +static inline cputime_t secs_to_cputime(const unsigned int s) { - return (cputime_t) s * 4096000000ULL; + return (__force cputime_t)(s * 4096000000ULL); } /* * Convert cputime to timespec and back. */ -static inline cputime_t -timespec_to_cputime(const struct timespec *value) +static inline cputime_t timespec_to_cputime(const struct timespec *value) { - return value->tv_nsec * 4096 / 1000 + (u64) value->tv_sec * 4096000000ULL; + unsigned long long ret = value->tv_sec * 4096000000ULL; + return (__force cputime_t)(ret + value->tv_nsec * 4096 / 1000); } -static inline void -cputime_to_timespec(const cputime_t cputime, struct timespec *value) +static inline void cputime_to_timespec(const cputime_t cputime, + struct timespec *value) { + unsigned long long __cputime = (__force unsigned long long) cputime; #ifndef __s390x__ register_pair rp; - rp.pair = cputime >> 1; + rp.pair = __cputime >> 1; asm ("dr %0,%1" : "+d" (rp) : "d" (2048000000UL)); value->tv_nsec = rp.subreg.even * 1000 / 4096; value->tv_sec = rp.subreg.odd; #else - value->tv_nsec = (cputime % 4096000000ULL) * 1000 / 4096; - value->tv_sec = cputime / 4096000000ULL; + value->tv_nsec = (__cputime % 4096000000ULL) * 1000 / 4096; + value->tv_sec = __cputime / 4096000000ULL; #endif } @@ -132,50 +118,52 @@ cputime_to_timespec(const cputime_t cputime, struct timespec *value) * Since cputime and timeval have the same resolution (microseconds) * this is easy. */ -static inline cputime_t -timeval_to_cputime(const struct timeval *value) +static inline cputime_t timeval_to_cputime(const struct timeval *value) { - return value->tv_usec * 4096 + (u64) value->tv_sec * 4096000000ULL; + unsigned long long ret = value->tv_sec * 4096000000ULL; + return (__force cputime_t)(ret + value->tv_usec * 4096ULL); } -static inline void -cputime_to_timeval(const cputime_t cputime, struct timeval *value) +static inline void cputime_to_timeval(const cputime_t cputime, + struct timeval *value) { + unsigned long long __cputime = (__force unsigned long long) cputime; #ifndef __s390x__ register_pair rp; - rp.pair = cputime >> 1; + rp.pair = __cputime >> 1; asm ("dr %0,%1" : "+d" (rp) : "d" (2048000000UL)); value->tv_usec = rp.subreg.even / 4096; value->tv_sec = rp.subreg.odd; #else - value->tv_usec = (cputime % 4096000000ULL) / 4096; - value->tv_sec = cputime / 4096000000ULL; + value->tv_usec = (__cputime % 4096000000ULL) / 4096; + value->tv_sec = __cputime / 4096000000ULL; #endif } /* * Convert cputime to clock and back. */ -static inline clock_t -cputime_to_clock_t(cputime_t cputime) +static inline clock_t cputime_to_clock_t(cputime_t cputime) { - return cputime_div(cputime, 4096000000ULL / USER_HZ); + unsigned long long clock = (__force unsigned long long) cputime; + do_div(clock, 4096000000ULL / USER_HZ); + return clock; } -static inline cputime_t -clock_t_to_cputime(unsigned long x) +static inline cputime_t clock_t_to_cputime(unsigned long x) { - return (cputime_t) x * (4096000000ULL / USER_HZ); + return (__force cputime_t)(x * (4096000000ULL / USER_HZ)); } /* * Convert cputime64 to clock. */ -static inline clock_t -cputime64_to_clock_t(cputime64_t cputime) +static inline clock_t cputime64_to_clock_t(cputime64_t cputime) { - return cputime_div(cputime, 4096000000ULL / USER_HZ); + unsigned long long clock = (__force unsigned long long) cputime; + do_div(clock, 4096000000ULL / USER_HZ); + return clock; } struct s390_idle_data { diff --git a/arch/s390/include/asm/debug.h b/arch/s390/include/asm/debug.h index 18124b75a7ab..9d88db1f55d0 100644 --- a/arch/s390/include/asm/debug.h +++ b/arch/s390/include/asm/debug.h @@ -73,7 +73,7 @@ typedef struct debug_info { struct dentry* debugfs_entries[DEBUG_MAX_VIEWS]; struct debug_view* views[DEBUG_MAX_VIEWS]; char name[DEBUG_MAX_NAME_LEN]; - mode_t mode; + umode_t mode; } debug_info_t; typedef int (debug_header_proc_t) (debug_info_t* id, @@ -124,7 +124,7 @@ debug_info_t *debug_register(const char *name, int pages, int nr_areas, int buf_size); debug_info_t *debug_register_mode(const char *name, int pages, int nr_areas, - int buf_size, mode_t mode, uid_t uid, + int buf_size, umode_t mode, uid_t uid, gid_t gid); void debug_unregister(debug_info_t* id); diff --git a/arch/s390/include/asm/itcw.h b/arch/s390/include/asm/itcw.h index a9bc5c36b32a..fb1bedd3dc0d 100644 --- a/arch/s390/include/asm/itcw.h +++ b/arch/s390/include/asm/itcw.h @@ -6,7 +6,7 @@ */ #ifndef _ASM_S390_ITCW_H -#define _ASM_S390_ITCW_H _ASM_S390_ITCW_H +#define _ASM_S390_ITCW_H #include <linux/types.h> #include <asm/fcx.h> diff --git a/arch/s390/include/asm/kdebug.h b/arch/s390/include/asm/kdebug.h index 40db27cd6e60..5c1abd47612a 100644 --- a/arch/s390/include/asm/kdebug.h +++ b/arch/s390/include/asm/kdebug.h @@ -22,6 +22,6 @@ enum die_val { DIE_NMI_IPI, }; -extern void die(const char *, struct pt_regs *, long); +extern void die(struct pt_regs *, const char *); #endif diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 24e18473d926..b0c235cb6ad5 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -47,7 +47,7 @@ struct sca_block { #define KVM_HPAGE_MASK(x) (~(KVM_HPAGE_SIZE(x) - 1)) #define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE) -#define CPUSTAT_HOST 0x80000000 +#define CPUSTAT_STOPPED 0x80000000 #define CPUSTAT_WAIT 0x10000000 #define CPUSTAT_ECALL_PEND 0x08000000 #define CPUSTAT_STOP_INT 0x04000000 @@ -139,6 +139,7 @@ struct kvm_vcpu_stat { u32 instruction_stfl; u32 instruction_tprot; u32 instruction_sigp_sense; + u32 instruction_sigp_sense_running; u32 instruction_sigp_external_call; u32 instruction_sigp_emergency; u32 instruction_sigp_stop; diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index 9e13c7d56cc1..707f2306725b 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -97,47 +97,52 @@ struct _lowcore { __u32 gpregs_save_area[16]; /* 0x0180 */ __u32 cregs_save_area[16]; /* 0x01c0 */ + /* Save areas. */ + __u32 save_area_sync[8]; /* 0x0200 */ + __u32 save_area_async[8]; /* 0x0220 */ + __u32 save_area_restart[1]; /* 0x0240 */ + __u8 pad_0x0244[0x0248-0x0244]; /* 0x0244 */ + /* Return psws. */ - __u32 save_area[16]; /* 0x0200 */ - psw_t return_psw; /* 0x0240 */ - psw_t return_mcck_psw; /* 0x0248 */ + psw_t return_psw; /* 0x0248 */ + psw_t return_mcck_psw; /* 0x0250 */ /* CPU time accounting values */ - __u64 sync_enter_timer; /* 0x0250 */ - __u64 async_enter_timer; /* 0x0258 */ - __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 */ + __u64 sync_enter_timer; /* 0x0258 */ + __u64 async_enter_timer; /* 0x0260 */ + __u64 mcck_enter_timer; /* 0x0268 */ + __u64 exit_timer; /* 0x0270 */ + __u64 user_timer; /* 0x0278 */ + __u64 system_timer; /* 0x0280 */ + __u64 steal_timer; /* 0x0288 */ + __u64 last_update_timer; /* 0x0290 */ + __u64 last_update_clock; /* 0x0298 */ /* Current process. */ - __u32 current_task; /* 0x0298 */ - __u32 thread_info; /* 0x029c */ - __u32 kernel_stack; /* 0x02a0 */ + __u32 current_task; /* 0x02a0 */ + __u32 thread_info; /* 0x02a4 */ + __u32 kernel_stack; /* 0x02a8 */ /* Interrupt and panic stack. */ - __u32 async_stack; /* 0x02a4 */ - __u32 panic_stack; /* 0x02a8 */ + __u32 async_stack; /* 0x02ac */ + __u32 panic_stack; /* 0x02b0 */ /* Address space pointer. */ - __u32 kernel_asce; /* 0x02ac */ - __u32 user_asce; /* 0x02b0 */ - __u32 current_pid; /* 0x02b4 */ + __u32 kernel_asce; /* 0x02b4 */ + __u32 user_asce; /* 0x02b8 */ + __u32 current_pid; /* 0x02bc */ /* SMP info area */ - __u32 cpu_nr; /* 0x02b8 */ - __u32 softirq_pending; /* 0x02bc */ - __u32 percpu_offset; /* 0x02c0 */ - __u32 ext_call_fast; /* 0x02c4 */ - __u64 int_clock; /* 0x02c8 */ - __u64 mcck_clock; /* 0x02d0 */ - __u64 clock_comparator; /* 0x02d8 */ - __u32 machine_flags; /* 0x02e0 */ - __u32 ftrace_func; /* 0x02e4 */ - __u8 pad_0x02e8[0x0300-0x02e8]; /* 0x02e8 */ + __u32 cpu_nr; /* 0x02c0 */ + __u32 softirq_pending; /* 0x02c4 */ + __u32 percpu_offset; /* 0x02c8 */ + __u32 ext_call_fast; /* 0x02cc */ + __u64 int_clock; /* 0x02d0 */ + __u64 mcck_clock; /* 0x02d8 */ + __u64 clock_comparator; /* 0x02e0 */ + __u32 machine_flags; /* 0x02e8 */ + __u32 ftrace_func; /* 0x02ec */ + __u8 pad_0x02f8[0x0300-0x02f0]; /* 0x02f0 */ /* Interrupt response block */ __u8 irb[64]; /* 0x0300 */ @@ -229,57 +234,62 @@ struct _lowcore { psw_t mcck_new_psw; /* 0x01e0 */ psw_t io_new_psw; /* 0x01f0 */ - /* Entry/exit save area & return psws. */ - __u64 save_area[16]; /* 0x0200 */ - psw_t return_psw; /* 0x0280 */ - psw_t return_mcck_psw; /* 0x0290 */ + /* Save areas. */ + __u64 save_area_sync[8]; /* 0x0200 */ + __u64 save_area_async[8]; /* 0x0240 */ + __u64 save_area_restart[1]; /* 0x0280 */ + __u8 pad_0x0288[0x0290-0x0288]; /* 0x0288 */ + + /* Return psws. */ + psw_t return_psw; /* 0x0290 */ + psw_t return_mcck_psw; /* 0x02a0 */ /* CPU accounting and timing values. */ - __u64 sync_enter_timer; /* 0x02a0 */ - __u64 async_enter_timer; /* 0x02a8 */ - __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 */ + __u64 sync_enter_timer; /* 0x02b0 */ + __u64 async_enter_timer; /* 0x02b8 */ + __u64 mcck_enter_timer; /* 0x02c0 */ + __u64 exit_timer; /* 0x02c8 */ + __u64 user_timer; /* 0x02d0 */ + __u64 system_timer; /* 0x02d8 */ + __u64 steal_timer; /* 0x02e0 */ + __u64 last_update_timer; /* 0x02e8 */ + __u64 last_update_clock; /* 0x02f0 */ /* Current process. */ - __u64 current_task; /* 0x02e8 */ - __u64 thread_info; /* 0x02f0 */ - __u64 kernel_stack; /* 0x02f8 */ + __u64 current_task; /* 0x02f8 */ + __u64 thread_info; /* 0x0300 */ + __u64 kernel_stack; /* 0x0308 */ /* Interrupt and panic stack. */ - __u64 async_stack; /* 0x0300 */ - __u64 panic_stack; /* 0x0308 */ + __u64 async_stack; /* 0x0310 */ + __u64 panic_stack; /* 0x0318 */ /* Address space pointer. */ - __u64 kernel_asce; /* 0x0310 */ - __u64 user_asce; /* 0x0318 */ - __u64 current_pid; /* 0x0320 */ + __u64 kernel_asce; /* 0x0320 */ + __u64 user_asce; /* 0x0328 */ + __u64 current_pid; /* 0x0330 */ /* SMP info area */ - __u32 cpu_nr; /* 0x0328 */ - __u32 softirq_pending; /* 0x032c */ - __u64 percpu_offset; /* 0x0330 */ - __u64 ext_call_fast; /* 0x0338 */ - __u64 int_clock; /* 0x0340 */ - __u64 mcck_clock; /* 0x0348 */ - __u64 clock_comparator; /* 0x0350 */ - __u64 vdso_per_cpu_data; /* 0x0358 */ - __u64 machine_flags; /* 0x0360 */ - __u64 ftrace_func; /* 0x0368 */ - __u64 gmap; /* 0x0370 */ - __u64 cmf_hpp; /* 0x0378 */ + __u32 cpu_nr; /* 0x0338 */ + __u32 softirq_pending; /* 0x033c */ + __u64 percpu_offset; /* 0x0340 */ + __u64 ext_call_fast; /* 0x0348 */ + __u64 int_clock; /* 0x0350 */ + __u64 mcck_clock; /* 0x0358 */ + __u64 clock_comparator; /* 0x0360 */ + __u64 vdso_per_cpu_data; /* 0x0368 */ + __u64 machine_flags; /* 0x0370 */ + __u64 ftrace_func; /* 0x0378 */ + __u64 gmap; /* 0x0380 */ + __u8 pad_0x0388[0x0400-0x0388]; /* 0x0388 */ /* Interrupt response block. */ - __u8 irb[64]; /* 0x0380 */ + __u8 irb[64]; /* 0x0400 */ /* Per cpu primary space access list */ - __u32 paste[16]; /* 0x03c0 */ + __u32 paste[16]; /* 0x0440 */ - __u8 pad_0x0400[0x0e00-0x0400]; /* 0x0400 */ + __u8 pad_0x0480[0x0e00-0x0480]; /* 0x0480 */ /* * 0xe00 contains the address of the IPL Parameter Information diff --git a/arch/s390/include/asm/mman.h b/arch/s390/include/asm/mman.h index 4e9c8ae0a637..d49760e63506 100644 --- a/arch/s390/include/asm/mman.h +++ b/arch/s390/include/asm/mman.h @@ -11,9 +11,11 @@ #include <asm-generic/mman.h> -#if defined(__KERNEL__) && !defined(__ASSEMBLY__) && defined(CONFIG_64BIT) +#if defined(__KERNEL__) +#if !defined(__ASSEMBLY__) && defined(CONFIG_64BIT) int s390_mmap_check(unsigned long addr, unsigned long len); #define arch_mmap_check(addr,len,flags) s390_mmap_check(addr,len) #endif +#endif #endif /* __S390_MMAN_H__ */ diff --git a/arch/s390/include/asm/percpu.h b/arch/s390/include/asm/percpu.h index 5325c89a5843..0fbd1899c7b0 100644 --- a/arch/s390/include/asm/percpu.h +++ b/arch/s390/include/asm/percpu.h @@ -19,7 +19,7 @@ #define ARCH_NEEDS_WEAK_PER_CPU #endif -#define arch_irqsafe_cpu_to_op(pcp, val, op) \ +#define arch_this_cpu_to_op(pcp, val, op) \ do { \ typedef typeof(pcp) pcp_op_T__; \ pcp_op_T__ old__, new__, prev__; \ @@ -41,27 +41,27 @@ do { \ preempt_enable(); \ } while (0) -#define irqsafe_cpu_add_1(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, +) -#define irqsafe_cpu_add_2(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, +) -#define irqsafe_cpu_add_4(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, +) -#define irqsafe_cpu_add_8(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, +) +#define this_cpu_add_1(pcp, val) arch_this_cpu_to_op(pcp, val, +) +#define this_cpu_add_2(pcp, val) arch_this_cpu_to_op(pcp, val, +) +#define this_cpu_add_4(pcp, val) arch_this_cpu_to_op(pcp, val, +) +#define this_cpu_add_8(pcp, val) arch_this_cpu_to_op(pcp, val, +) -#define irqsafe_cpu_and_1(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, &) -#define irqsafe_cpu_and_2(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, &) -#define irqsafe_cpu_and_4(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, &) -#define irqsafe_cpu_and_8(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, &) +#define this_cpu_and_1(pcp, val) arch_this_cpu_to_op(pcp, val, &) +#define this_cpu_and_2(pcp, val) arch_this_cpu_to_op(pcp, val, &) +#define this_cpu_and_4(pcp, val) arch_this_cpu_to_op(pcp, val, &) +#define this_cpu_and_8(pcp, val) arch_this_cpu_to_op(pcp, val, &) -#define irqsafe_cpu_or_1(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, |) -#define irqsafe_cpu_or_2(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, |) -#define irqsafe_cpu_or_4(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, |) -#define irqsafe_cpu_or_8(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, |) +#define this_cpu_or_1(pcp, val) arch_this_cpu_to_op(pcp, val, |) +#define this_cpu_or_2(pcp, val) arch_this_cpu_to_op(pcp, val, |) +#define this_cpu_or_4(pcp, val) arch_this_cpu_to_op(pcp, val, |) +#define this_cpu_or_8(pcp, val) arch_this_cpu_to_op(pcp, val, |) -#define irqsafe_cpu_xor_1(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, ^) -#define irqsafe_cpu_xor_2(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, ^) -#define irqsafe_cpu_xor_4(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, ^) -#define irqsafe_cpu_xor_8(pcp, val) arch_irqsafe_cpu_to_op(pcp, val, ^) +#define this_cpu_xor_1(pcp, val) arch_this_cpu_to_op(pcp, val, ^) +#define this_cpu_xor_2(pcp, val) arch_this_cpu_to_op(pcp, val, ^) +#define this_cpu_xor_4(pcp, val) arch_this_cpu_to_op(pcp, val, ^) +#define this_cpu_xor_8(pcp, val) arch_this_cpu_to_op(pcp, val, ^) -#define arch_irqsafe_cpu_cmpxchg(pcp, oval, nval) \ +#define arch_this_cpu_cmpxchg(pcp, oval, nval) \ ({ \ typedef typeof(pcp) pcp_op_T__; \ pcp_op_T__ ret__; \ @@ -79,10 +79,10 @@ do { \ ret__; \ }) -#define irqsafe_cpu_cmpxchg_1(pcp, oval, nval) arch_irqsafe_cpu_cmpxchg(pcp, oval, nval) -#define irqsafe_cpu_cmpxchg_2(pcp, oval, nval) arch_irqsafe_cpu_cmpxchg(pcp, oval, nval) -#define irqsafe_cpu_cmpxchg_4(pcp, oval, nval) arch_irqsafe_cpu_cmpxchg(pcp, oval, nval) -#define irqsafe_cpu_cmpxchg_8(pcp, oval, nval) arch_irqsafe_cpu_cmpxchg(pcp, oval, nval) +#define this_cpu_cmpxchg_1(pcp, oval, nval) arch_this_cpu_cmpxchg(pcp, oval, nval) +#define this_cpu_cmpxchg_2(pcp, oval, nval) arch_this_cpu_cmpxchg(pcp, oval, nval) +#define this_cpu_cmpxchg_4(pcp, oval, nval) arch_this_cpu_cmpxchg(pcp, oval, nval) +#define this_cpu_cmpxchg_8(pcp, oval, nval) arch_this_cpu_cmpxchg(pcp, oval, nval) #include <asm-generic/percpu.h> diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 34ede0ea85a9..011358c1b18e 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -128,28 +128,11 @@ static inline int is_zero_pfn(unsigned long pfn) * effect, this also makes sure that 64 bit module code cannot be used * as system call address. */ - extern unsigned long VMALLOC_START; +extern unsigned long VMALLOC_END; +extern struct page *vmemmap; -#ifndef __s390x__ -#define VMALLOC_SIZE (96UL << 20) -#define VMALLOC_END 0x7e000000UL -#define VMEM_MAP_END 0x80000000UL -#else /* __s390x__ */ -#define VMALLOC_SIZE (128UL << 30) -#define VMALLOC_END 0x3e000000000UL -#define VMEM_MAP_END 0x40000000000UL -#endif /* __s390x__ */ - -/* - * VMEM_MAX_PHYS is the highest physical address that can be added to the 1:1 - * mapping. This needs to be calculated at compile time since the size of the - * VMEM_MAP is static but the size of struct page can change. - */ -#define VMEM_MAX_PAGES ((VMEM_MAP_END - VMALLOC_END) / sizeof(struct page)) -#define VMEM_MAX_PFN min(VMALLOC_START >> PAGE_SHIFT, VMEM_MAX_PAGES) -#define VMEM_MAX_PHYS ((VMEM_MAX_PFN << PAGE_SHIFT) & ~((16 << 20) - 1)) -#define vmemmap ((struct page *) VMALLOC_END) +#define VMEM_MAX_PHYS ((unsigned long) vmemmap) /* * A 31 bit pagetable entry of S390 has following format: @@ -593,14 +576,16 @@ static inline pgste_t pgste_update_all(pte_t *ptep, pgste_t pgste) unsigned long address, bits; unsigned char skey; + if (!pte_present(*ptep)) + return pgste; address = pte_val(*ptep) & PAGE_MASK; skey = page_get_storage_key(address); bits = skey & (_PAGE_CHANGED | _PAGE_REFERENCED); /* Clear page changed & referenced bit in the storage key */ - if (bits) { - skey ^= bits; - page_set_storage_key(address, skey, 1); - } + if (bits & _PAGE_CHANGED) + page_set_storage_key(address, skey ^ bits, 1); + else if (bits) + page_reset_referenced(address); /* Transfer page changed & referenced bit to guest bits in pgste */ pgste_val(pgste) |= bits << 48; /* RCP_GR_BIT & RCP_GC_BIT */ /* Get host changed & referenced bits from pgste */ @@ -625,6 +610,8 @@ static inline pgste_t pgste_update_young(pte_t *ptep, pgste_t pgste) #ifdef CONFIG_PGSTE int young; + if (!pte_present(*ptep)) + return pgste; young = page_reset_referenced(pte_val(*ptep) & PAGE_MASK); /* Transfer page referenced bit to pte software bit (host view) */ if (young || (pgste_val(pgste) & RCP_HR_BIT)) @@ -638,13 +625,15 @@ static inline pgste_t pgste_update_young(pte_t *ptep, pgste_t pgste) } -static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste) +static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste, pte_t entry) { #ifdef CONFIG_PGSTE unsigned long address; unsigned long okey, nkey; - address = pte_val(*ptep) & PAGE_MASK; + if (!pte_present(entry)) + return; + address = pte_val(entry) & PAGE_MASK; okey = nkey = page_get_storage_key(address); nkey &= ~(_PAGE_ACC_BITS | _PAGE_FP_BIT); /* Set page access key and fetch protection bit from pgste */ @@ -712,7 +701,7 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, if (mm_has_pgste(mm)) { pgste = pgste_get_lock(ptep); - pgste_set_pte(ptep, pgste); + pgste_set_pte(ptep, pgste, entry); *ptep = entry; pgste_set_unlock(ptep, pgste); } else diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 5f33d37d032c..d25843a6a915 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -80,8 +80,6 @@ struct thread_struct { unsigned int acrs[NUM_ACRS]; unsigned long ksp; /* kernel stack pointer */ mm_segment_t mm_segment; - unsigned long prot_addr; /* address of protection-excep. */ - unsigned int trap_no; unsigned long gmap_addr; /* address of last gmap fault. */ struct per_regs per_user; /* User specified PER registers */ struct per_event per_event; /* Cause of the last PER trap */ @@ -238,7 +236,7 @@ static inline unsigned long __rewind_psw(psw_t psw, unsigned long ilc) /* * Function to drop a processor into disabled wait state */ -static inline void ATTRIB_NORET disabled_wait(unsigned long code) +static inline void __noreturn disabled_wait(unsigned long code) { unsigned long ctl_buf; psw_t dw_psw; diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h index a65846340d51..56da355678f4 100644 --- a/arch/s390/include/asm/ptrace.h +++ b/arch/s390/include/asm/ptrace.h @@ -324,7 +324,8 @@ struct pt_regs psw_t psw; unsigned long gprs[NUM_GPRS]; unsigned long orig_gpr2; - unsigned int svc_code; + unsigned int int_code; + unsigned long int_parm_long; }; /* diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h index e63d13dd3bf5..d75c8e78f7e3 100644 --- a/arch/s390/include/asm/qdio.h +++ b/arch/s390/include/asm/qdio.h @@ -352,7 +352,7 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int, * @no_output_qs: number of output queues * @input_handler: handler to be called for input queues * @output_handler: handler to be called for output queues - * @queue_start_poll: polling handlers (one per input queue or NULL) + * @queue_start_poll_array: polling handlers (one per input queue or NULL) * @int_parm: interruption parameter * @input_sbal_addr_array: address of no_input_qs * 128 pointers * @output_sbal_addr_array: address of no_output_qs * 128 pointers @@ -372,7 +372,8 @@ struct qdio_initialize { unsigned int no_output_qs; qdio_handler_t *input_handler; qdio_handler_t *output_handler; - void (**queue_start_poll) (struct ccw_device *, int, unsigned long); + void (**queue_start_poll_array) (struct ccw_device *, int, + unsigned long); int scan_threshold; unsigned long int_parm; void **input_sbal_addr_array; diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h index 5a099714df04..097183c70407 100644 --- a/arch/s390/include/asm/setup.h +++ b/arch/s390/include/asm/setup.h @@ -82,6 +82,7 @@ extern unsigned int user_mode; #define MACHINE_FLAG_LPAR (1UL << 12) #define MACHINE_FLAG_SPP (1UL << 13) #define MACHINE_FLAG_TOPOLOGY (1UL << 14) +#define MACHINE_FLAG_STCKF (1UL << 15) #define MACHINE_IS_VM (S390_lowcore.machine_flags & MACHINE_FLAG_VM) #define MACHINE_IS_KVM (S390_lowcore.machine_flags & MACHINE_FLAG_KVM) @@ -100,6 +101,7 @@ extern unsigned int user_mode; #define MACHINE_HAS_PFMF (0) #define MACHINE_HAS_SPP (0) #define MACHINE_HAS_TOPOLOGY (0) +#define MACHINE_HAS_STCKF (0) #else /* __s390x__ */ #define MACHINE_HAS_IEEE (1) #define MACHINE_HAS_CSP (1) @@ -111,6 +113,7 @@ extern unsigned int user_mode; #define MACHINE_HAS_PFMF (S390_lowcore.machine_flags & MACHINE_FLAG_PFMF) #define MACHINE_HAS_SPP (S390_lowcore.machine_flags & MACHINE_FLAG_SPP) #define MACHINE_HAS_TOPOLOGY (S390_lowcore.machine_flags & MACHINE_FLAG_TOPOLOGY) +#define MACHINE_HAS_STCKF (S390_lowcore.machine_flags & MACHINE_FLAG_STCKF) #endif /* __s390x__ */ #define ZFCPDUMP_HSA_SIZE (32UL<<20) diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h index e3bffd4e2d66..7040b8567cd0 100644 --- a/arch/s390/include/asm/sigp.h +++ b/arch/s390/include/asm/sigp.h @@ -56,6 +56,7 @@ enum { ec_schedule = 0, ec_call_function, ec_call_function_single, + ec_stop_cpu, }; /* diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h index ab47a69fdf07..c32e9123b40c 100644 --- a/arch/s390/include/asm/smp.h +++ b/arch/s390/include/asm/smp.h @@ -23,7 +23,6 @@ extern void __cpu_die (unsigned int cpu); extern int __cpu_up (unsigned int cpu); extern struct mutex smp_cpu_state_mutex; -extern int smp_cpu_polarization[]; extern void arch_send_call_function_single_ipi(int cpu); extern void arch_send_call_function_ipi_mask(const struct cpumask *mask); diff --git a/arch/s390/include/asm/socket.h b/arch/s390/include/asm/socket.h index fdff1e995c73..67b5c1b14b51 100644 --- a/arch/s390/include/asm/socket.h +++ b/arch/s390/include/asm/socket.h @@ -70,4 +70,7 @@ #define SO_RXQ_OVFL 40 +#define SO_WIFI_STATUS 41 +#define SCM_WIFI_STATUS SO_WIFI_STATUS + #endif /* _ASM_SOCKET_H */ diff --git a/arch/s390/include/asm/sparsemem.h b/arch/s390/include/asm/sparsemem.h index 545d219e6a2d..0fb34027d3f6 100644 --- a/arch/s390/include/asm/sparsemem.h +++ b/arch/s390/include/asm/sparsemem.h @@ -4,8 +4,8 @@ #ifdef CONFIG_64BIT #define SECTION_SIZE_BITS 28 -#define MAX_PHYSADDR_BITS 42 -#define MAX_PHYSMEM_BITS 42 +#define MAX_PHYSADDR_BITS 46 +#define MAX_PHYSMEM_BITS 46 #else diff --git a/arch/s390/include/asm/syscall.h b/arch/s390/include/asm/syscall.h index b239ff53b189..fb214dd9b7e0 100644 --- a/arch/s390/include/asm/syscall.h +++ b/arch/s390/include/asm/syscall.h @@ -27,7 +27,7 @@ static inline long syscall_get_nr(struct task_struct *task, struct pt_regs *regs) { return test_tsk_thread_flag(task, TIF_SYSCALL) ? - (regs->svc_code & 0xffff) : -1; + (regs->int_code & 0xffff) : -1; } static inline void syscall_rollback(struct task_struct *task, diff --git a/arch/s390/include/asm/system.h b/arch/s390/include/asm/system.h index ef573c1d71a7..d73cc6b60000 100644 --- a/arch/s390/include/asm/system.h +++ b/arch/s390/include/asm/system.h @@ -20,8 +20,6 @@ struct task_struct; -extern int sysctl_userprocess_debug; - extern struct task_struct *__switch_to(void *, void *); extern void update_per_regs(struct task_struct *task); diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h index a23183423b14..a73038155e0d 100644 --- a/arch/s390/include/asm/thread_info.h +++ b/arch/s390/include/asm/thread_info.h @@ -102,7 +102,6 @@ static inline struct thread_info *current_thread_info(void) #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 19 /* restore signal mask in do_signal() */ #define TIF_SINGLE_STEP 20 /* This task is single stepped */ -#define TIF_FREEZE 21 /* thread is freezing for suspend */ #define _TIF_SYSCALL (1<<TIF_SYSCALL) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) @@ -119,7 +118,6 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_31BIT (1<<TIF_31BIT) #define _TIF_SINGLE_STEP (1<<TIF_SINGLE_STEP) -#define _TIF_FREEZE (1<<TIF_FREEZE) #ifdef CONFIG_64BIT #define is_32bit_task() (test_thread_flag(TIF_31BIT)) diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h index d610bef9c5e9..c447a27a7fdb 100644 --- a/arch/s390/include/asm/timex.h +++ b/arch/s390/include/asm/timex.h @@ -90,7 +90,7 @@ static inline unsigned long long get_clock_fast(void) { unsigned long long clk; - if (test_facility(25)) + if (MACHINE_HAS_STCKF) asm volatile(".insn s,0xb27c0000,%0" : "=Q" (clk) : : "cc"); else clk = get_clock(); diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h index 005d77d8ae2a..0837de80c351 100644 --- a/arch/s390/include/asm/topology.h +++ b/arch/s390/include/asm/topology.h @@ -4,6 +4,10 @@ #include <linux/cpumask.h> #include <asm/sysinfo.h> +struct cpu; + +#ifdef CONFIG_SCHED_BOOK + extern unsigned char cpu_core_id[NR_CPUS]; extern cpumask_t cpu_core_map[NR_CPUS]; @@ -16,8 +20,6 @@ static inline const struct cpumask *cpu_coregroup_mask(int cpu) #define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) #define mc_capable() (1) -#ifdef CONFIG_SCHED_BOOK - extern unsigned char cpu_book_id[NR_CPUS]; extern cpumask_t cpu_book_map[NR_CPUS]; @@ -29,19 +31,45 @@ static inline const struct cpumask *cpu_book_mask(int cpu) #define topology_book_id(cpu) (cpu_book_id[cpu]) #define topology_book_cpumask(cpu) (&cpu_book_map[cpu]) -#endif /* CONFIG_SCHED_BOOK */ - +int topology_cpu_init(struct cpu *); int topology_set_cpu_management(int fc); void topology_schedule_update(void); void store_topology(struct sysinfo_15_1_x *info); +void topology_expect_change(void); + +#else /* CONFIG_SCHED_BOOK */ + +static inline void topology_schedule_update(void) { } +static inline int topology_cpu_init(struct cpu *cpu) { return 0; } +static inline void topology_expect_change(void) { } -#define POLARIZATION_UNKNWN (-1) +#endif /* CONFIG_SCHED_BOOK */ + +#define POLARIZATION_UNKNOWN (-1) #define POLARIZATION_HRZ (0) #define POLARIZATION_VL (1) #define POLARIZATION_VM (2) #define POLARIZATION_VH (3) -#ifdef CONFIG_SMP +extern int cpu_polarization[]; + +static inline void cpu_set_polarization(int cpu, int val) +{ +#ifdef CONFIG_SCHED_BOOK + cpu_polarization[cpu] = val; +#endif +} + +static inline int cpu_read_polarization(int cpu) +{ +#ifdef CONFIG_SCHED_BOOK + return cpu_polarization[cpu]; +#else + return POLARIZATION_HRZ; +#endif +} + +#ifdef CONFIG_SCHED_BOOK void s390_init_cpu_topology(void); #else static inline void s390_init_cpu_topology(void) diff --git a/arch/s390/include/asm/types.h b/arch/s390/include/asm/types.h index eeb52ccf499f..05ebbcdbbf6b 100644 --- a/arch/s390/include/asm/types.h +++ b/arch/s390/include/asm/types.h @@ -13,8 +13,6 @@ #ifndef __ASSEMBLY__ -typedef unsigned short umode_t; - /* A address type so that arithmetic can be done on it & it can be upgraded to 64 bit when necessary */ diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h index 404bdb9671b4..8a8008fe7b8f 100644 --- a/arch/s390/include/asm/unistd.h +++ b/arch/s390/include/asm/unistd.h @@ -277,7 +277,9 @@ #define __NR_clock_adjtime 337 #define __NR_syncfs 338 #define __NR_setns 339 -#define NR_syscalls 340 +#define __NR_process_vm_readv 340 +#define __NR_process_vm_writev 341 +#define NR_syscalls 342 /* * There are some system calls that are not present on 64 bit, some @@ -396,6 +398,7 @@ #define __ARCH_WANT_SYS_SIGNAL #define __ARCH_WANT_SYS_UTIME #define __ARCH_WANT_SYS_SOCKETCALL +#define __ARCH_WANT_SYS_IPC #define __ARCH_WANT_SYS_FADVISE64 #define __ARCH_WANT_SYS_GETPGRP #define __ARCH_WANT_SYS_LLSEEK |
