diff options
Diffstat (limited to 'arch/s390')
-rw-r--r-- | arch/s390/Kconfig | 1 | ||||
-rw-r--r-- | arch/s390/hypfs/hypfs_diag.c | 6 | ||||
-rw-r--r-- | arch/s390/include/asm/ftrace.h | 4 | ||||
-rw-r--r-- | arch/s390/include/asm/mutex.h | 9 | ||||
-rw-r--r-- | arch/s390/include/asm/processor.h | 7 | ||||
-rw-r--r-- | arch/s390/include/asm/spinlock.h | 8 | ||||
-rw-r--r-- | arch/s390/include/asm/tlb.h | 14 | ||||
-rw-r--r-- | arch/s390/include/asm/unistd.h | 3 | ||||
-rw-r--r-- | arch/s390/include/uapi/asm/socket.h | 2 | ||||
-rw-r--r-- | arch/s390/kernel/dis.c | 4 | ||||
-rw-r--r-- | arch/s390/kernel/dumpstack.c | 63 | ||||
-rw-r--r-- | arch/s390/kernel/perf_event.c | 2 | ||||
-rw-r--r-- | arch/s390/kernel/processor.c | 4 | ||||
-rw-r--r-- | arch/s390/kernel/smp.c | 45 | ||||
-rw-r--r-- | arch/s390/kernel/stacktrace.c | 4 | ||||
-rw-r--r-- | arch/s390/kernel/vmlinux.lds.S | 2 | ||||
-rw-r--r-- | arch/s390/kernel/vtime.c | 9 | ||||
-rw-r--r-- | arch/s390/kvm/sthyi.c | 4 | ||||
-rw-r--r-- | arch/s390/lib/spinlock.c | 25 | ||||
-rw-r--r-- | arch/s390/mm/gmap.c | 2 | ||||
-rw-r--r-- | arch/s390/mm/hugetlbpage.c | 1 | ||||
-rw-r--r-- | arch/s390/mm/init.c | 38 | ||||
-rw-r--r-- | arch/s390/net/bpf_jit_comp.c | 2 | ||||
-rw-r--r-- | arch/s390/oprofile/init.c | 2 | ||||
-rw-r--r-- | arch/s390/pci/pci_dma.c | 2 |
25 files changed, 121 insertions, 142 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 426481d4cc86..028f97be5bae 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -171,6 +171,7 @@ config S390 select SYSCTL_EXCEPTION_TRACE select TTY select VIRT_CPU_ACCOUNTING + select ARCH_HAS_SCALED_CPUTIME select VIRT_TO_BUS select HAVE_NMI diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c index 28f03ca60100..794bebb43d23 100644 --- a/arch/s390/hypfs/hypfs_diag.c +++ b/arch/s390/hypfs/hypfs_diag.c @@ -363,11 +363,11 @@ out: static int diag224_get_name_table(void) { /* memory must be below 2GB */ - diag224_cpu_names = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); + diag224_cpu_names = (char *) __get_free_page(GFP_KERNEL | GFP_DMA); if (!diag224_cpu_names) return -ENOMEM; if (diag224(diag224_cpu_names)) { - kfree(diag224_cpu_names); + free_page((unsigned long) diag224_cpu_names); return -EOPNOTSUPP; } EBCASC(diag224_cpu_names + 16, (*diag224_cpu_names + 1) * 16); @@ -376,7 +376,7 @@ static int diag224_get_name_table(void) static void diag224_delete_name_table(void) { - kfree(diag224_cpu_names); + free_page((unsigned long) diag224_cpu_names); } static int diag224_idx2name(int index, char *name) diff --git a/arch/s390/include/asm/ftrace.h b/arch/s390/include/asm/ftrace.h index 64053d9ac3f2..836c56290499 100644 --- a/arch/s390/include/asm/ftrace.h +++ b/arch/s390/include/asm/ftrace.h @@ -12,9 +12,7 @@ #ifndef __ASSEMBLY__ -unsigned long return_address(int depth); - -#define ftrace_return_address(n) return_address(n) +#define ftrace_return_address(n) __builtin_return_address(n) void _mcount(void); void ftrace_caller(void); diff --git a/arch/s390/include/asm/mutex.h b/arch/s390/include/asm/mutex.h deleted file mode 100644 index 458c1f7fbc18..000000000000 --- a/arch/s390/include/asm/mutex.h +++ /dev/null @@ -1,9 +0,0 @@ -/* - * Pull in the generic implementation for the mutex fastpath. - * - * TODO: implement optimized primitives instead, or leave the generic - * implementation in place, or pick the atomic_xchg() based generic - * implementation. (see asm-generic/mutex-xchg.h for details) - */ - -#include <asm-generic/mutex-dec.h> diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 03323175de30..9d3a21aedc97 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -192,7 +192,7 @@ struct task_struct; struct mm_struct; struct seq_file; -typedef int (*dump_trace_func_t)(void *data, unsigned long address); +typedef int (*dump_trace_func_t)(void *data, unsigned long address, int reliable); void dump_trace(dump_trace_func_t func, void *data, struct task_struct *task, unsigned long sp); @@ -234,9 +234,10 @@ static inline unsigned short stap(void) /* * Give up the time slice of the virtual PU. */ -void cpu_relax(void); +#define cpu_relax_yield cpu_relax_yield +void cpu_relax_yield(void); -#define cpu_relax_lowlatency() barrier() +#define cpu_relax() barrier() #define ECAG_CACHE_ATTRIBUTE 0 #define ECAG_CPU_ATTRIBUTE 1 diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h index 7e9e09f600fa..7ecd8902a5c3 100644 --- a/arch/s390/include/asm/spinlock.h +++ b/arch/s390/include/asm/spinlock.h @@ -23,6 +23,14 @@ _raw_compare_and_swap(unsigned int *lock, unsigned int old, unsigned int new) return __sync_bool_compare_and_swap(lock, old, new); } +#ifndef CONFIG_SMP +static inline bool arch_vcpu_is_preempted(int cpu) { return false; } +#else +bool arch_vcpu_is_preempted(int cpu); +#endif + +#define vcpu_is_preempted arch_vcpu_is_preempted + /* * Simple spin lock operations. There are two variants, one clears IRQ's * on the local processor, one does not. diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h index 15711de10403..853b2a3d8dee 100644 --- a/arch/s390/include/asm/tlb.h +++ b/arch/s390/include/asm/tlb.h @@ -104,12 +104,6 @@ static inline bool __tlb_remove_page_size(struct mmu_gather *tlb, return __tlb_remove_page(tlb, page); } -static inline bool __tlb_remove_pte_page(struct mmu_gather *tlb, - struct page *page) -{ - return __tlb_remove_page(tlb, page); -} - static inline void tlb_remove_page_size(struct mmu_gather *tlb, struct page *page, int page_size) { @@ -162,5 +156,13 @@ static inline void pud_free_tlb(struct mmu_gather *tlb, pud_t *pud, #define tlb_remove_tlb_entry(tlb, ptep, addr) do { } while (0) #define tlb_remove_pmd_tlb_entry(tlb, pmdp, addr) do { } while (0) #define tlb_migrate_finish(mm) do { } while (0) +#define tlb_remove_huge_tlb_entry(h, tlb, ptep, address) \ + tlb_remove_tlb_entry(tlb, ptep, address) + +#define tlb_remove_check_page_size_change tlb_remove_check_page_size_change +static inline void tlb_remove_check_page_size_change(struct mmu_gather *tlb, + unsigned int page_size) +{ +} #endif /* _S390_TLB_H */ diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h index 02613bad8bbb..3066031a73fe 100644 --- a/arch/s390/include/asm/unistd.h +++ b/arch/s390/include/asm/unistd.h @@ -9,6 +9,9 @@ #include <uapi/asm/unistd.h> #define __IGNORE_time +#define __IGNORE_pkey_mprotect +#define __IGNORE_pkey_alloc +#define __IGNORE_pkey_free #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_SYS_ALARM diff --git a/arch/s390/include/uapi/asm/socket.h b/arch/s390/include/uapi/asm/socket.h index 41b51c2f4f1b..b24a64cbfeb1 100644 --- a/arch/s390/include/uapi/asm/socket.h +++ b/arch/s390/include/uapi/asm/socket.h @@ -96,4 +96,6 @@ #define SO_CNX_ADVICE 53 +#define SCM_TIMESTAMPING_OPT_STATS 54 + #endif /* _ASM_SOCKET_H */ diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c index 43446fa2a4e5..c74c59236f44 100644 --- a/arch/s390/kernel/dis.c +++ b/arch/s390/kernel/dis.c @@ -2014,12 +2014,12 @@ void show_code(struct pt_regs *regs) *ptr++ = '\t'; ptr += print_insn(ptr, code + start, addr); start += opsize; - printk("%s", buffer); + pr_cont("%s", buffer); ptr = buffer; ptr += sprintf(ptr, "\n "); hops++; } - printk("\n"); + pr_cont("\n"); } void print_fn_code(unsigned char *code, unsigned long len) diff --git a/arch/s390/kernel/dumpstack.c b/arch/s390/kernel/dumpstack.c index 6693383bc01b..55d4fe174fd9 100644 --- a/arch/s390/kernel/dumpstack.c +++ b/arch/s390/kernel/dumpstack.c @@ -38,10 +38,10 @@ __dump_trace(dump_trace_func_t func, void *data, unsigned long sp, if (sp < low || sp > high - sizeof(*sf)) return sp; sf = (struct stack_frame *) sp; + if (func(data, sf->gprs[8], 0)) + return sp; /* Follow the backchain. */ while (1) { - if (func(data, sf->gprs[8])) - return sp; low = sp; sp = sf->back_chain; if (!sp) @@ -49,6 +49,8 @@ __dump_trace(dump_trace_func_t func, void *data, unsigned long sp, if (sp <= low || sp > high - sizeof(*sf)) return sp; sf = (struct stack_frame *) sp; + if (func(data, sf->gprs[8], 1)) + return sp; } /* Zero backchain detected, check for interrupt frame. */ sp = (unsigned long) (sf + 1); @@ -56,7 +58,7 @@ __dump_trace(dump_trace_func_t func, void *data, unsigned long sp, return sp; regs = (struct pt_regs *) sp; if (!user_mode(regs)) { - if (func(data, regs->psw.addr)) + if (func(data, regs->psw.addr, 1)) return sp; } low = sp; @@ -85,33 +87,12 @@ void dump_trace(dump_trace_func_t func, void *data, struct task_struct *task, } EXPORT_SYMBOL_GPL(dump_trace); -struct return_address_data { - unsigned long address; - int depth; -}; - -static int __return_address(void *data, unsigned long address) -{ - struct return_address_data *rd = data; - - if (rd->depth--) - return 0; - rd->address = address; - return 1; -} - -unsigned long return_address(int depth) -{ - struct return_address_data rd = { .depth = depth + 2 }; - - dump_trace(__return_address, &rd, NULL, current_stack_pointer()); - return rd.address; -} -EXPORT_SYMBOL_GPL(return_address); - -static int show_address(void *data, unsigned long address) +static int show_address(void *data, unsigned long address, int reliable) { - printk("([<%016lx>] %pSR)\n", address, (void *)address); + if (reliable) + printk(" [<%016lx>] %pSR \n", address, (void *)address); + else + printk("([<%016lx>] %pSR)\n", address, (void *)address); return 0; } @@ -138,14 +119,14 @@ void show_stack(struct task_struct *task, unsigned long *sp) else stack = (unsigned long *)task->thread.ksp; } + printk(KERN_DEFAULT "Stack:\n"); for (i = 0; i < 20; i++) { if (((addr_t) stack & (THREAD_SIZE-1)) == 0) break; - if ((i * sizeof(long) % 32) == 0) - printk("%s ", i == 0 ? "" : "\n"); - printk("%016lx ", *stack++); + if (i % 4 == 0) + printk(KERN_DEFAULT " "); + pr_cont("%016lx%c", *stack++, i % 4 == 3 ? '\n' : ' '); } - printk("\n"); show_trace(task, (unsigned long)sp); } @@ -163,13 +144,13 @@ void show_registers(struct pt_regs *regs) mode = user_mode(regs) ? "User" : "Krnl"; printk("%s PSW : %p %p", mode, (void *)regs->psw.mask, (void *)regs->psw.addr); if (!user_mode(regs)) - printk(" (%pSR)", (void *)regs->psw.addr); - printk("\n"); + pr_cont(" (%pSR)", (void *)regs->psw.addr); + pr_cont("\n"); printk(" R:%x T:%x IO:%x EX:%x Key:%x M:%x W:%x " "P:%x AS:%x CC:%x PM:%x", psw->r, psw->t, psw->i, psw->e, psw->key, psw->m, psw->w, psw->p, psw->as, psw->cc, psw->pm); - printk(" RI:%x EA:%x", psw->ri, psw->eaba); - printk("\n%s GPRS: %016lx %016lx %016lx %016lx\n", mode, + pr_cont(" RI:%x EA:%x\n", psw->ri, psw->eaba); + printk("%s GPRS: %016lx %016lx %016lx %016lx\n", mode, regs->gprs[0], regs->gprs[1], regs->gprs[2], regs->gprs[3]); printk(" %016lx %016lx %016lx %016lx\n", regs->gprs[4], regs->gprs[5], regs->gprs[6], regs->gprs[7]); @@ -205,14 +186,14 @@ void die(struct pt_regs *regs, const char *str) printk("%s: %04x ilc:%d [#%d] ", str, regs->int_code & 0xffff, regs->int_code >> 17, ++die_counter); #ifdef CONFIG_PREEMPT - printk("PREEMPT "); + pr_cont("PREEMPT "); #endif #ifdef CONFIG_SMP - printk("SMP "); + pr_cont("SMP "); #endif if (debug_pagealloc_enabled()) - printk("DEBUG_PAGEALLOC"); - printk("\n"); + pr_cont("DEBUG_PAGEALLOC"); + pr_cont("\n"); notify_die(DIE_OOPS, str, regs, 0, regs->int_code & 0xffff, SIGSEGV); print_modules(); show_regs(regs); diff --git a/arch/s390/kernel/perf_event.c b/arch/s390/kernel/perf_event.c index 17431f63de00..955a7b6fa0a4 100644 --- a/arch/s390/kernel/perf_event.c +++ b/arch/s390/kernel/perf_event.c @@ -222,7 +222,7 @@ static int __init service_level_perf_register(void) } arch_initcall(service_level_perf_register); -static int __perf_callchain_kernel(void *data, unsigned long address) +static int __perf_callchain_kernel(void *data, unsigned long address, int reliable) { struct perf_callchain_entry_ctx *entry = data; diff --git a/arch/s390/kernel/processor.c b/arch/s390/kernel/processor.c index 81d0808085e6..9e60ef144d03 100644 --- a/arch/s390/kernel/processor.c +++ b/arch/s390/kernel/processor.c @@ -53,7 +53,7 @@ void s390_update_cpu_mhz(void) on_each_cpu(update_cpu_mhz, NULL, 0); } -void notrace cpu_relax(void) +void notrace cpu_relax_yield(void) { if (!smp_cpu_mtid && MACHINE_HAS_DIAG44) { diag_stat_inc(DIAG_STAT_X044); @@ -61,7 +61,7 @@ void notrace cpu_relax(void) } barrier(); } -EXPORT_SYMBOL(cpu_relax); +EXPORT_SYMBOL(cpu_relax_yield); /* * cpu_init - initializes state that is per-CPU. diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 35531fe1c5ea..df4a508ff35c 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -368,10 +368,15 @@ int smp_find_processor_id(u16 address) return -1; } -int smp_vcpu_scheduled(int cpu) +bool arch_vcpu_is_preempted(int cpu) { - return pcpu_running(pcpu_devices + cpu); + if (test_cpu_flag_of(CIF_ENABLED_WAIT, cpu)) + return false; + if (pcpu_running(pcpu_devices + cpu)) + return false; + return true; } +EXPORT_SYMBOL(arch_vcpu_is_preempted); void smp_yield_cpu(int cpu) { @@ -1047,22 +1052,18 @@ static struct attribute_group cpu_online_attr_group = { .attrs = cpu_online_attrs, }; -static int smp_cpu_notify(struct notifier_block *self, unsigned long action, - void *hcpu) +static int smp_cpu_online(unsigned int cpu) { - unsigned int cpu = (unsigned int)(long)hcpu; struct device *s = &per_cpu(cpu_device, cpu)->dev; - int err = 0; - switch (action & ~CPU_TASKS_FROZEN) { - case CPU_ONLINE: - err = sysfs_create_group(&s->kobj, &cpu_online_attr_group); - break; - case CPU_DEAD: - sysfs_remove_group(&s->kobj, &cpu_online_attr_group); - break; - } - return notifier_from_errno(err); + return sysfs_create_group(&s->kobj, &cpu_online_attr_group); +} +static int smp_cpu_pre_down(unsigned int cpu) +{ + struct device *s = &per_cpu(cpu_device, cpu)->dev; + + sysfs_remove_group(&s->kobj, &cpu_online_attr_group); + return 0; } static int smp_add_present_cpu(int cpu) @@ -1083,20 +1084,12 @@ static int smp_add_present_cpu(int cpu) rc = sysfs_create_group(&s->kobj, &cpu_common_attr_group); if (rc) goto out_cpu; - if (cpu_online(cpu)) { - rc = sysfs_create_group(&s->kobj, &cpu_online_attr_group); - if (rc) - goto out_online; - } rc = topology_cpu_init(c); if (rc) goto out_topology; return 0; out_topology: - if (cpu_online(cpu)) - sysfs_remove_group(&s->kobj, &cpu_online_attr_group); -out_online: sysfs_remove_group(&s->kobj, &cpu_common_attr_group); out_cpu: #ifdef CONFIG_HOTPLUG_CPU @@ -1149,17 +1142,15 @@ static int __init s390_smp_init(void) if (rc) return rc; #endif - cpu_notifier_register_begin(); for_each_present_cpu(cpu) { rc = smp_add_present_cpu(cpu); if (rc) goto out; } - __hotcpu_notifier(smp_cpu_notify, 0); - + rc = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "s390/smp:online", + smp_cpu_online, smp_cpu_pre_down); out: - cpu_notifier_register_done(); return rc; } subsys_initcall(s390_smp_init); diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c index 44f84b23d4e5..355db9db8210 100644 --- a/arch/s390/kernel/stacktrace.c +++ b/arch/s390/kernel/stacktrace.c @@ -27,12 +27,12 @@ static int __save_address(void *data, unsigned long address, int nosched) return 1; } -static int save_address(void *data, unsigned long address) +static int save_address(void *data, unsigned long address, int reliable) { return __save_address(data, address, 0); } -static int save_address_nosched(void *data, unsigned long address) +static int save_address_nosched(void *data, unsigned long address, int reliable) { return __save_address(data, address, 1); } diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 000e6e91f6a0..3667d20e997f 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -62,9 +62,11 @@ SECTIONS . = ALIGN(PAGE_SIZE); __start_ro_after_init = .; + __start_data_ro_after_init = .; .data..ro_after_init : { *(.data..ro_after_init) } + __end_data_ro_after_init = .; EXCEPTION_TABLE(16) . = ALIGN(PAGE_SIZE); __end_ro_after_init = .; diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c index 856e30d8463f..1bd5dde2d5a9 100644 --- a/arch/s390/kernel/vtime.c +++ b/arch/s390/kernel/vtime.c @@ -137,8 +137,10 @@ static int do_account_vtime(struct task_struct *tsk, int hardirq_offset) user_scaled = (user_scaled * mult) / div; system_scaled = (system_scaled * mult) / div; } - account_user_time(tsk, user, user_scaled); - account_system_time(tsk, hardirq_offset, system, system_scaled); + account_user_time(tsk, user); + tsk->utimescaled += user_scaled; + account_system_time(tsk, hardirq_offset, system); + tsk->stimescaled += system_scaled; steal = S390_lowcore.steal_timer; if ((s64) steal > 0) { @@ -202,7 +204,8 @@ void vtime_account_irq_enter(struct task_struct *tsk) system_scaled = (system_scaled * mult) / div; } - account_system_time(tsk, 0, system, system_scaled); + account_system_time(tsk, 0, system); + tsk->stimescaled += system_scaled; virt_timer_forward(system); } diff --git a/arch/s390/kvm/sthyi.c b/arch/s390/kvm/sthyi.c index bd98b7d25200..05c98bb853cf 100644 --- a/arch/s390/kvm/sthyi.c +++ b/arch/s390/kvm/sthyi.c @@ -315,7 +315,7 @@ static void fill_diag(struct sthyi_sctns *sctns) if (r < 0) goto out; - diag224_buf = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); + diag224_buf = (void *)__get_free_page(GFP_KERNEL | GFP_DMA); if (!diag224_buf || diag224(diag224_buf)) goto out; @@ -378,7 +378,7 @@ static void fill_diag(struct sthyi_sctns *sctns) sctns->par.infpval1 |= PAR_WGHT_VLD; out: - kfree(diag224_buf); + free_page((unsigned long)diag224_buf); vfree(diag204_buf); } diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c index e5f50a7d2f4e..e48a48ec24bc 100644 --- a/arch/s390/lib/spinlock.c +++ b/arch/s390/lib/spinlock.c @@ -37,15 +37,6 @@ static inline void _raw_compare_and_delay(unsigned int *lock, unsigned int old) asm(".insn rsy,0xeb0000000022,%0,0,%1" : : "d" (old), "Q" (*lock)); } -static inline int cpu_is_preempted(int cpu) -{ - if (test_cpu_flag_of(CIF_ENABLED_WAIT, cpu)) - return 0; - if (smp_vcpu_scheduled(cpu)) - return 0; - return 1; -} - void arch_spin_lock_wait(arch_spinlock_t *lp) { unsigned int cpu = SPINLOCK_LOCKVAL; @@ -62,7 +53,7 @@ void arch_spin_lock_wait(arch_spinlock_t *lp) continue; } /* First iteration: check if the lock owner is running. */ - if (first_diag && cpu_is_preempted(~owner)) { + if (first_diag && arch_vcpu_is_preempted(~owner)) { smp_yield_cpu(~owner); first_diag = 0; continue; @@ -81,7 +72,7 @@ void arch_spin_lock_wait(arch_spinlock_t *lp) * yield the CPU unconditionally. For LPAR rely on the * sense running status. */ - if (!MACHINE_IS_LPAR || cpu_is_preempted(~owner)) { + if (!MACHINE_IS_LPAR || arch_vcpu_is_preempted(~owner)) { smp_yield_cpu(~owner); first_diag = 0; } @@ -108,7 +99,7 @@ void arch_spin_lock_wait_flags(arch_spinlock_t *lp, unsigned long flags) continue; } /* Check if the lock owner is running. */ - if (first_diag && cpu_is_preempted(~owner)) { + if (first_diag && arch_vcpu_is_preempted(~owner)) { smp_yield_cpu(~owner); first_diag = 0; continue; @@ -127,7 +118,7 @@ void arch_spin_lock_wait_flags(arch_spinlock_t *lp, unsigned long flags) * yield the CPU unconditionally. For LPAR rely on the * sense running status. */ - if (!MACHINE_IS_LPAR || cpu_is_preempted(~owner)) { + if (!MACHINE_IS_LPAR || arch_vcpu_is_preempted(~owner)) { smp_yield_cpu(~owner); first_diag = 0; } @@ -165,7 +156,7 @@ void _raw_read_lock_wait(arch_rwlock_t *rw) owner = 0; while (1) { if (count-- <= 0) { - if (owner && cpu_is_preempted(~owner)) + if (owner && arch_vcpu_is_preempted(~owner)) smp_yield_cpu(~owner); count = spin_retry; } @@ -211,7 +202,7 @@ void _raw_write_lock_wait(arch_rwlock_t *rw, unsigned int prev) owner = 0; while (1) { if (count-- <= 0) { - if (owner && cpu_is_preempted(~owner)) + if (owner && arch_vcpu_is_preempted(~owner)) smp_yield_cpu(~owner); count = spin_retry; } @@ -241,7 +232,7 @@ void _raw_write_lock_wait(arch_rwlock_t *rw) owner = 0; while (1) { if (count-- <= 0) { - if (owner && cpu_is_preempted(~owner)) + if (owner && arch_vcpu_is_preempted(~owner)) smp_yield_cpu(~owner); count = spin_retry; } @@ -285,7 +276,7 @@ void arch_lock_relax(unsigned int cpu) { if (!cpu) return; - if (MACHINE_IS_LPAR && !cpu_is_preempted(~cpu)) + if (MACHINE_IS_LPAR && !arch_vcpu_is_preempted(~cpu)) return; smp_yield_cpu(~cpu); } diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c index 3ba622702ce4..ec1f0dedb948 100644 --- a/arch/s390/mm/gmap.c +++ b/arch/s390/mm/gmap.c @@ -1015,7 +1015,7 @@ static inline void gmap_insert_rmap(struct gmap *sg, unsigned long vmaddr, if (slot) { rmap->next = radix_tree_deref_slot_protected(slot, &sg->guest_table_lock); - radix_tree_replace_slot(slot, rmap); + radix_tree_replace_slot(&sg->host_to_rmap, slot, rmap); } else { rmap->next = NULL; radix_tree_insert(&sg->host_to_rmap, vmaddr >> PAGE_SHIFT, diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c index cd404aa3931c..4a0c5bce3552 100644 --- a/arch/s390/mm/hugetlbpage.c +++ b/arch/s390/mm/hugetlbpage.c @@ -217,6 +217,7 @@ static __init int setup_hugepagesz(char *opt) } else if (MACHINE_HAS_EDAT2 && size == PUD_SIZE) { hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT); } else { + hugetlb_bad_size(); pr_err("hugepagesz= specifies an unsupported page size %s\n", string); return 0; diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index f56a39bd8ba6..b3e9d18f2ec6 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -151,36 +151,40 @@ void __init free_initrd_mem(unsigned long start, unsigned long end) #ifdef CONFIG_MEMORY_HOTPLUG int arch_add_memory(int nid, u64 start, u64 size, bool for_device) { - unsigned long normal_end_pfn = PFN_DOWN(memblock_end_of_DRAM()); - unsigned long dma_end_pfn = PFN_DOWN(MAX_DMA_ADDRESS); + unsigned long zone_start_pfn, zone_end_pfn, nr_pages; unsigned long start_pfn = PFN_DOWN(start); unsigned long size_pages = PFN_DOWN(size); - unsigned long nr_pages; - int rc, zone_enum; + pg_data_t *pgdat = NODE_DATA(nid); + struct zone *zone; + int rc, i; rc = vmem_add_mapping(start, size); if (rc) return rc; - while (size_pages > 0) { - if (start_pfn < dma_end_pfn) { - nr_pages = (start_pfn + size_pages > dma_end_pfn) ? - dma_end_pfn - start_pfn : size_pages; - zone_enum = ZONE_DMA; - } else if (start_pfn < normal_end_pfn) { - nr_pages = (start_pfn + size_pages > normal_end_pfn) ? - normal_end_pfn - start_pfn : size_pages; - zone_enum = ZONE_NORMAL; + for (i = 0; i < MAX_NR_ZONES; i++) { + zone = pgdat->node_zones + i; + if (zone_idx(zone) != ZONE_MOVABLE) { + /* Add range within existing zone limits, if possible */ + zone_start_pfn = zone->zone_start_pfn; + zone_end_pfn = zone->zone_start_pfn + + zone->spanned_pages; } else { - nr_pages = size_pages; - zone_enum = ZONE_MOVABLE; + /* Add remaining range to ZONE_MOVABLE */ + zone_start_pfn = start_pfn; + zone_end_pfn = start_pfn + size_pages; } - rc = __add_pages(nid, NODE_DATA(nid)->node_zones + zone_enum, - start_pfn, size_pages); + if (start_pfn < zone_start_pfn || start_pfn >= zone_end_pfn) + continue; + nr_pages = (start_pfn + size_pages > zone_end_pfn) ? + zone_end_pfn - start_pfn : size_pages; + rc = __add_pages(nid, zone, start_pfn, nr_pages); if (rc) break; start_pfn += nr_pages; size_pages -= nr_pages; + if (!size_pages) + break; } if (rc) vmem_remove_mapping(start, size); diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c index bee281f3163d..167b31b186c1 100644 --- a/arch/s390/net/bpf_jit_comp.c +++ b/arch/s390/net/bpf_jit_comp.c @@ -981,7 +981,7 @@ static noinline int bpf_jit_insn(struct bpf_jit *jit, struct bpf_prog *fp, int i EMIT2(0x0d00, REG_14, REG_W1); /* lgr %b0,%r2: load return value into %b0 */ EMIT4(0xb9040000, BPF_REG_0, REG_2); - if (bpf_helper_changes_skb_data((void *)func)) { + if (bpf_helper_changes_pkt_data((void *)func)) { jit->seen |= SEEN_SKB_CHANGE; /* lg %b1,ST_OFF_SKBP(%r15) */ EMIT6_DISP_LH(0xe3000000, 0x0004, BPF_REG_1, REG_0, diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c index 16f4c3960b87..9a4de4599c7b 100644 --- a/arch/s390/oprofile/init.c +++ b/arch/s390/oprofile/init.c @@ -13,7 +13,7 @@ #include <linux/init.h> #include <asm/processor.h> -static int __s390_backtrace(void *data, unsigned long address) +static int __s390_backtrace(void *data, unsigned long address, int reliable) { unsigned int *depth = data; diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c index 7350c8bc13a2..6b2f72f523b9 100644 --- a/arch/s390/pci/pci_dma.c +++ b/arch/s390/pci/pci_dma.c @@ -423,7 +423,7 @@ static int __s390_dma_map_sg(struct device *dev, struct scatterlist *sg, dma_addr_t dma_addr_base, dma_addr; int flags = ZPCI_PTE_VALID; struct scatterlist *s; - unsigned long pa; + unsigned long pa = 0; int ret; size = PAGE_ALIGN(size); |