diff options
Diffstat (limited to 'arch')
51 files changed, 427 insertions, 157 deletions
diff --git a/arch/arm/boot/dts/imx6sx-sdb.dts b/arch/arm/boot/dts/imx6sx-sdb.dts index 1e6e5cc1c14c..8c1febd7e3f2 100644 --- a/arch/arm/boot/dts/imx6sx-sdb.dts +++ b/arch/arm/boot/dts/imx6sx-sdb.dts @@ -159,13 +159,28 @@ pinctrl-0 = <&pinctrl_enet1>; phy-supply = <®_enet_3v3>; phy-mode = "rgmii"; + phy-handle = <ðphy1>; status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy1: ethernet-phy@0 { + reg = <0>; + }; + + ethphy2: ethernet-phy@1 { + reg = <1>; + }; + }; }; &fec2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet2>; phy-mode = "rgmii"; + phy-handle = <ðphy2>; status = "okay"; }; diff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts index a0f762159cb2..f2b64b1b00fa 100644 --- a/arch/arm/boot/dts/vf610-twr.dts +++ b/arch/arm/boot/dts/vf610-twr.dts @@ -129,13 +129,28 @@ &fec0 { phy-mode = "rmii"; + phy-handle = <ðphy0>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_fec0>; status = "okay"; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + ethphy0: ethernet-phy@0 { + reg = <0>; + }; + + ethphy1: ethernet-phy@1 { + reg = <1>; + }; + }; }; &fec1 { phy-mode = "rmii"; + phy-handle = <ðphy1>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_fec1>; status = "okay"; diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h index 705bb7620673..0c3f5a0dafd3 100644 --- a/arch/arm/include/uapi/asm/unistd.h +++ b/arch/arm/include/uapi/asm/unistd.h @@ -413,6 +413,7 @@ #define __NR_getrandom (__NR_SYSCALL_BASE+384) #define __NR_memfd_create (__NR_SYSCALL_BASE+385) #define __NR_bpf (__NR_SYSCALL_BASE+386) +#define __NR_execveat (__NR_SYSCALL_BASE+387) /* * The following SWIs are ARM private. diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index e51833f8cc38..05745eb838c5 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -396,6 +396,7 @@ CALL(sys_getrandom) /* 385 */ CALL(sys_memfd_create) CALL(sys_bpf) + CALL(sys_execveat) #ifndef syscalls_counted .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls #define syscalls_counted diff --git a/arch/arm/kernel/perf_regs.c b/arch/arm/kernel/perf_regs.c index 6e4379c67cbc..592dda3f21ff 100644 --- a/arch/arm/kernel/perf_regs.c +++ b/arch/arm/kernel/perf_regs.c @@ -28,3 +28,11 @@ u64 perf_reg_abi(struct task_struct *task) { return PERF_SAMPLE_REGS_ABI_32; } + +void perf_get_regs_user(struct perf_regs *regs_user, + struct pt_regs *regs, + struct pt_regs *regs_user_copy) +{ + regs_user->regs = task_pt_regs(current); + regs_user->abi = perf_reg_abi(current); +} diff --git a/arch/arm/mm/dump.c b/arch/arm/mm/dump.c index 59424937e52b..9fe8e241335c 100644 --- a/arch/arm/mm/dump.c +++ b/arch/arm/mm/dump.c @@ -220,9 +220,6 @@ static void note_page(struct pg_state *st, unsigned long addr, unsigned level, u static const char units[] = "KMGTPE"; u64 prot = val & pg_level[level].mask; - if (addr < USER_PGTABLES_CEILING) - return; - if (!st->level) { st->level = level; st->current_prot = prot; @@ -308,15 +305,13 @@ static void walk_pgd(struct seq_file *m) pgd_t *pgd = swapper_pg_dir; struct pg_state st; unsigned long addr; - unsigned i, pgdoff = USER_PGTABLES_CEILING / PGDIR_SIZE; + unsigned i; memset(&st, 0, sizeof(st)); st.seq = m; st.marker = address_markers; - pgd += pgdoff; - - for (i = pgdoff; i < PTRS_PER_PGD; i++, pgd++) { + for (i = 0; i < PTRS_PER_PGD; i++, pgd++) { addr = i * PGDIR_SIZE; if (!pgd_none(*pgd)) { walk_pud(&st, pgd, addr); diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 98ad9c79ea0e..2495c8cb47ba 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -658,8 +658,8 @@ static struct section_perm ro_perms[] = { .start = (unsigned long)_stext, .end = (unsigned long)__init_begin, #ifdef CONFIG_ARM_LPAE - .mask = ~PMD_SECT_RDONLY, - .prot = PMD_SECT_RDONLY, + .mask = ~L_PMD_SECT_RDONLY, + .prot = L_PMD_SECT_RDONLY, #else .mask = ~(PMD_SECT_APX | PMD_SECT_AP_WRITE), .prot = PMD_SECT_APX | PMD_SECT_AP_WRITE, diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index cda7c40999b6..4e6ef896c619 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -1329,8 +1329,8 @@ static void __init kmap_init(void) static void __init map_lowmem(void) { struct memblock_region *reg; - unsigned long kernel_x_start = round_down(__pa(_stext), SECTION_SIZE); - unsigned long kernel_x_end = round_up(__pa(__init_end), SECTION_SIZE); + phys_addr_t kernel_x_start = round_down(__pa(_stext), SECTION_SIZE); + phys_addr_t kernel_x_end = round_up(__pa(__init_end), SECTION_SIZE); /* Map all the lowmem memory banks. */ for_each_memblock(memory, reg) { diff --git a/arch/arm64/include/asm/arch_timer.h b/arch/arm64/include/asm/arch_timer.h index b1fa4e614718..fbe0ca31a99c 100644 --- a/arch/arm64/include/asm/arch_timer.h +++ b/arch/arm64/include/asm/arch_timer.h @@ -21,6 +21,7 @@ #include <asm/barrier.h> +#include <linux/bug.h> #include <linux/init.h> #include <linux/types.h> diff --git a/arch/arm64/include/asm/cpu.h b/arch/arm64/include/asm/cpu.h index ace70682499b..8e797b2fcc01 100644 --- a/arch/arm64/include/asm/cpu.h +++ b/arch/arm64/include/asm/cpu.h @@ -39,6 +39,7 @@ struct cpuinfo_arm64 { u64 reg_id_aa64pfr0; u64 reg_id_aa64pfr1; + u32 reg_id_dfr0; u32 reg_id_isar0; u32 reg_id_isar1; u32 reg_id_isar2; @@ -51,6 +52,10 @@ struct cpuinfo_arm64 { u32 reg_id_mmfr3; u32 reg_id_pfr0; u32 reg_id_pfr1; + + u32 reg_mvfr0; + u32 reg_mvfr1; + u32 reg_mvfr2; }; DECLARE_PER_CPU(struct cpuinfo_arm64, cpu_data); diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h index 8127e45e2637..865a7e28ea2d 100644 --- a/arch/arm64/include/asm/kvm_emulate.h +++ b/arch/arm64/include/asm/kvm_emulate.h @@ -41,6 +41,8 @@ void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr); static inline void vcpu_reset_hcr(struct kvm_vcpu *vcpu) { vcpu->arch.hcr_el2 = HCR_GUEST_FLAGS; + if (test_bit(KVM_ARM_VCPU_EL1_32BIT, vcpu->arch.features)) + vcpu->arch.hcr_el2 &= ~HCR_RW; } static inline unsigned long *vcpu_pc(const struct kvm_vcpu *vcpu) diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index 286b1bec547c..f9be30ea1cbd 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -31,6 +31,7 @@ #include <asm/fpsimd.h> #include <asm/hw_breakpoint.h> +#include <asm/pgtable-hwdef.h> #include <asm/ptrace.h> #include <asm/types.h> @@ -123,9 +124,6 @@ struct task_struct; /* Free all resources held by a thread. */ extern void release_thread(struct task_struct *); -/* Prepare to copy thread state - unlazy all lazy status */ -#define prepare_to_copy(tsk) do { } while (0) - unsigned long get_wchan(struct task_struct *p); #define cpu_relax() barrier() diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h index 49c9aefd24a5..b780c6c76eec 100644 --- a/arch/arm64/include/asm/unistd.h +++ b/arch/arm64/include/asm/unistd.h @@ -44,7 +44,7 @@ #define __ARM_NR_compat_cacheflush (__ARM_NR_COMPAT_BASE+2) #define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE+5) -#define __NR_compat_syscalls 386 +#define __NR_compat_syscalls 387 #endif #define __ARCH_WANT_SYS_CLONE diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c index 57b641747534..07d435cf2eea 100644 --- a/arch/arm64/kernel/cpuinfo.c +++ b/arch/arm64/kernel/cpuinfo.c @@ -147,6 +147,7 @@ static void cpuinfo_sanity_check(struct cpuinfo_arm64 *cur) * If we have AArch32, we care about 32-bit features for compat. These * registers should be RES0 otherwise. */ + diff |= CHECK(id_dfr0, boot, cur, cpu); diff |= CHECK(id_isar0, boot, cur, cpu); diff |= CHECK(id_isar1, boot, cur, cpu); diff |= CHECK(id_isar2, boot, cur, cpu); @@ -165,6 +166,10 @@ static void cpuinfo_sanity_check(struct cpuinfo_arm64 *cur) diff |= CHECK(id_pfr0, boot, cur, cpu); diff |= CHECK(id_pfr1, boot, cur, cpu); + diff |= CHECK(mvfr0, boot, cur, cpu); + diff |= CHECK(mvfr1, boot, cur, cpu); + diff |= CHECK(mvfr2, boot, cur, cpu); + /* * Mismatched CPU features are a recipe for disaster. Don't even * pretend to support them. @@ -189,6 +194,7 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info) info->reg_id_aa64pfr0 = read_cpuid(ID_AA64PFR0_EL1); info->reg_id_aa64pfr1 = read_cpuid(ID_AA64PFR1_EL1); + info->reg_id_dfr0 = read_cpuid(ID_DFR0_EL1); info->reg_id_isar0 = read_cpuid(ID_ISAR0_EL1); info->reg_id_isar1 = read_cpuid(ID_ISAR1_EL1); info->reg_id_isar2 = read_cpuid(ID_ISAR2_EL1); @@ -202,6 +208,10 @@ static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info) info->reg_id_pfr0 = read_cpuid(ID_PFR0_EL1); info->reg_id_pfr1 = read_cpuid(ID_PFR1_EL1); + info->reg_mvfr0 = read_cpuid(MVFR0_EL1); + info->reg_mvfr1 = read_cpuid(MVFR1_EL1); + info->reg_mvfr2 = read_cpuid(MVFR2_EL1); + cpuinfo_detect_icache_policy(info); check_local_cpu_errata(); diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c index 6fac253bc783..2bb4347d0edf 100644 --- a/arch/arm64/kernel/efi.c +++ b/arch/arm64/kernel/efi.c @@ -326,6 +326,7 @@ void __init efi_idmap_init(void) /* boot time idmap_pg_dir is incomplete, so fill in missing parts */ efi_setup_idmap(); + early_memunmap(memmap.map, memmap.map_end - memmap.map); } static int __init remap_region(efi_memory_desc_t *md, void **new) @@ -380,7 +381,6 @@ static int __init arm64_enter_virtual_mode(void) } mapsize = memmap.map_end - memmap.map; - early_memunmap(memmap.map, mapsize); if (efi_runtime_disabled()) { pr_info("EFI runtime services will be disabled.\n"); diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c index fd027b101de5..9b6f71db2709 100644 --- a/arch/arm64/kernel/module.c +++ b/arch/arm64/kernel/module.c @@ -25,6 +25,7 @@ #include <linux/mm.h> #include <linux/moduleloader.h> #include <linux/vmalloc.h> +#include <asm/alternative.h> #include <asm/insn.h> #include <asm/sections.h> diff --git a/arch/arm64/kernel/perf_regs.c b/arch/arm64/kernel/perf_regs.c index 6762ad705587..3f62b35fb6f1 100644 --- a/arch/arm64/kernel/perf_regs.c +++ b/arch/arm64/kernel/perf_regs.c @@ -50,3 +50,11 @@ u64 perf_reg_abi(struct task_struct *task) else return PERF_SAMPLE_REGS_ABI_64; } + +void perf_get_regs_user(struct perf_regs *regs_user, + struct pt_regs *regs, + struct pt_regs *regs_user_copy) +{ + regs_user->regs = task_pt_regs(current); + regs_user->abi = perf_reg_abi(current); +} diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index b80991166754..20fe2932ad0c 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -402,6 +402,7 @@ void __init setup_arch(char **cmdline_p) request_standard_resources(); efi_idmap_init(); + early_ioremap_reset(); unflatten_device_tree(); diff --git a/arch/arm64/kernel/smp_spin_table.c b/arch/arm64/kernel/smp_spin_table.c index 4f93c67e63de..14944e5b28da 100644 --- a/arch/arm64/kernel/smp_spin_table.c +++ b/arch/arm64/kernel/smp_spin_table.c @@ -25,6 +25,7 @@ #include <asm/cacheflush.h> #include <asm/cpu_ops.h> #include <asm/cputype.h> +#include <asm/io.h> #include <asm/smp_plat.h> extern void secondary_holding_pen(void); diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S index fbe909fb0a1a..c3ca89c27c6b 100644 --- a/arch/arm64/kvm/hyp.S +++ b/arch/arm64/kvm/hyp.S @@ -1014,6 +1014,7 @@ ENTRY(__kvm_tlb_flush_vmid_ipa) * Instead, we invalidate Stage-2 for this IPA, and the * whole of Stage-1. Weep... */ + lsr x1, x1, #12 tlbi ipas2e1is, x1 /* * We have to ensure completion of the invalidation at Stage-2, diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c index 70a7816535cd..0b4326578985 100644 --- a/arch/arm64/kvm/reset.c +++ b/arch/arm64/kvm/reset.c @@ -90,7 +90,6 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) if (!cpu_has_32bit_el1()) return -EINVAL; cpu_reset = &default_regs_reset32; - vcpu->arch.hcr_el2 &= ~HCR_RW; } else { cpu_reset = &default_regs_reset; } diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c index 6f4bac969bf7..23eada79439c 100644 --- a/arch/blackfin/mach-bf533/boards/stamp.c +++ b/arch/blackfin/mach-bf533/boards/stamp.c @@ -7,6 +7,7 @@ */ #include <linux/device.h> +#include <linux/delay.h> #include <linux/platform_device.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index 615ef81def49..e795cb848154 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -893,13 +893,13 @@ static int _acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu) } /* wrapper to silence section mismatch warning */ -int __ref acpi_map_lsapic(acpi_handle handle, int physid, int *pcpu) +int __ref acpi_map_cpu(acpi_handle handle, int physid, int *pcpu) { return _acpi_map_lsapic(handle, physid, pcpu); } -EXPORT_SYMBOL(acpi_map_lsapic); +EXPORT_SYMBOL(acpi_map_cpu); -int acpi_unmap_lsapic(int cpu) +int acpi_unmap_cpu(int cpu) { ia64_cpu_to_sapicid[cpu] = -1; set_cpu_present(cpu, false); @@ -910,8 +910,7 @@ int acpi_unmap_lsapic(int cpu) return (0); } - -EXPORT_SYMBOL(acpi_unmap_lsapic); +EXPORT_SYMBOL(acpi_unmap_cpu); #endif /* CONFIG_ACPI_HOTPLUG_CPU */ #ifdef CONFIG_ACPI_NUMA diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h index ebc4f165690a..0be6c681cab1 100644 --- a/arch/powerpc/include/asm/thread_info.h +++ b/arch/powerpc/include/asm/thread_info.h @@ -23,9 +23,9 @@ #define THREAD_SIZE (1 << THREAD_SHIFT) #ifdef CONFIG_PPC64 -#define CURRENT_THREAD_INFO(dest, sp) clrrdi dest, sp, THREAD_SHIFT +#define CURRENT_THREAD_INFO(dest, sp) stringify_in_c(clrrdi dest, sp, THREAD_SHIFT) #else -#define CURRENT_THREAD_INFO(dest, sp) rlwinm dest, sp, 0, 0, 31-THREAD_SHIFT +#define CURRENT_THREAD_INFO(dest, sp) stringify_in_c(rlwinm dest, sp, 0, 0, 31-THREAD_SHIFT) #endif #ifndef __ASSEMBLY__ @@ -71,12 +71,13 @@ struct thread_info { #define THREAD_SIZE_ORDER (THREAD_SHIFT - PAGE_SHIFT) /* how to get the thread information struct from C */ -register unsigned long __current_r1 asm("r1"); static inline struct thread_info *current_thread_info(void) { - /* gcc4, at least, is smart enough to turn this into a single - * rlwinm for ppc32 and clrrdi for ppc64 */ - return (struct thread_info *)(__current_r1 & ~(THREAD_SIZE-1)); + unsigned long val; + + asm (CURRENT_THREAD_INFO(%0,1) : "=r" (val)); + + return (struct thread_info *)val; } #endif /* __ASSEMBLY__ */ diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S index 54eca8b3b288..0509bca5e830 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -40,7 +40,6 @@ BEGIN_FTR_SECTION; \ b 1f; \ END_FTR_SECTION(0, 1); \ ld r12,opal_tracepoint_refcount@toc(r2); \ - std r12,32(r1); \ cmpdi r12,0; \ bne- LABEL; \ 1: diff --git a/arch/s390/hypfs/hypfs_vm.c b/arch/s390/hypfs/hypfs_vm.c index 32040ace00ea..afbe07907c10 100644 --- a/arch/s390/hypfs/hypfs_vm.c +++ b/arch/s390/hypfs/hypfs_vm.c @@ -231,7 +231,7 @@ failed: 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 */ + char tod_ext[STORE_CLOCK_EXT_SIZE]; /* TOD clock for d2fc */ u64 count; /* Number of VM guests in d2fc buffer */ char reserved[30]; } __attribute__ ((packed)); diff --git a/arch/s390/include/asm/irqflags.h b/arch/s390/include/asm/irqflags.h index 37b9091ab8c0..16aa0c779e07 100644 --- a/arch/s390/include/asm/irqflags.h +++ b/arch/s390/include/asm/irqflags.h @@ -36,7 +36,7 @@ static inline notrace void __arch_local_irq_ssm(unsigned long flags) static inline notrace unsigned long arch_local_save_flags(void) { - return __arch_local_irq_stosm(0x00); + return __arch_local_irq_stnsm(0xff); } static inline notrace unsigned long arch_local_irq_save(void) diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h index 8beee1cceba4..98eb2a579223 100644 --- a/arch/s390/include/asm/timex.h +++ b/arch/s390/include/asm/timex.h @@ -67,20 +67,22 @@ static inline void local_tick_enable(unsigned long long comp) set_clock_comparator(S390_lowcore.clock_comparator); } -#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ +#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ +#define STORE_CLOCK_EXT_SIZE 16 /* stcke writes 16 bytes */ typedef unsigned long long cycles_t; -static inline void get_tod_clock_ext(char clk[16]) +static inline void get_tod_clock_ext(char *clk) { - typedef struct { char _[sizeof(clk)]; } addrtype; + typedef struct { char _[STORE_CLOCK_EXT_SIZE]; } addrtype; asm volatile("stcke %0" : "=Q" (*(addrtype *) clk) : : "cc"); } static inline unsigned long long get_tod_clock(void) { - unsigned char clk[16]; + unsigned char clk[STORE_CLOCK_EXT_SIZE]; + get_tod_clock_ext(clk); return *((unsigned long long *)&clk[1]); } diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h index 2b446cf0cc65..67878af257a0 100644 --- a/arch/s390/include/uapi/asm/unistd.h +++ b/arch/s390/include/uapi/asm/unistd.h @@ -289,7 +289,8 @@ #define __NR_bpf 351 #define __NR_s390_pci_mmio_write 352 #define __NR_s390_pci_mmio_read 353 -#define NR_syscalls 354 +#define __NR_execveat 354 +#define NR_syscalls 355 /* * There are some system calls that are not present on 64 bit, some diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index a2987243bc76..939ec474b1dd 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -362,3 +362,4 @@ SYSCALL(sys_memfd_create,sys_memfd_create,compat_sys_memfd_create) /* 350 */ SYSCALL(sys_bpf,sys_bpf,compat_sys_bpf) SYSCALL(sys_ni_syscall,sys_s390_pci_mmio_write,compat_sys_s390_pci_mmio_write) SYSCALL(sys_ni_syscall,sys_s390_pci_mmio_read,compat_sys_s390_pci_mmio_read) +SYSCALL(sys_execveat,sys_execveat,compat_sys_execveat) diff --git a/arch/s390/kernel/uprobes.c b/arch/s390/kernel/uprobes.c index f6b3cd056ec2..cc7328080b60 100644 --- a/arch/s390/kernel/uprobes.c +++ b/arch/s390/kernel/uprobes.c @@ -48,6 +48,30 @@ bool arch_uprobe_xol_was_trapped(struct task_struct *tsk) return false; } +static int check_per_event(unsigned short cause, unsigned long control, + struct pt_regs *regs) +{ + if (!(regs->psw.mask & PSW_MASK_PER)) + return 0; + /* user space single step */ + if (control == 0) + return 1; + /* over indication for storage alteration */ + if ((control & 0x20200000) && (cause & 0x2000)) + return 1; + if (cause & 0x8000) { + /* all branches */ + if ((control & 0x80800000) == 0x80000000) + return 1; + /* branch into selected range */ + if (((control & 0x80800000) == 0x80800000) && + regs->psw.addr >= curren |