Merge branch 'perf/urgent' into perf/core, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ingo Molnar 2019-10-22 01:15:32 +02:00
commit aa7a7b7297
14 changed files with 70 additions and 20 deletions

View file

@ -627,7 +627,7 @@ static struct topa *topa_alloc(int cpu, gfp_t gfp)
* link as the 2nd entry in the table
*/
if (!intel_pt_validate_hw_cap(PT_CAP_topa_multiple_entries)) {
TOPA_ENTRY(&tp->topa, 1)->base = page_to_phys(p);
TOPA_ENTRY(&tp->topa, 1)->base = page_to_phys(p) >> TOPA_SHIFT;
TOPA_ENTRY(&tp->topa, 1)->end = 1;
}

View file

@ -5619,8 +5619,10 @@ static void perf_mmap_close(struct vm_area_struct *vma)
perf_pmu_output_stop(event);
/* now it's safe to free the pages */
atomic_long_sub(rb->aux_nr_pages, &mmap_user->locked_vm);
atomic64_sub(rb->aux_mmap_locked, &vma->vm_mm->pinned_vm);
if (!rb->aux_mmap_locked)
atomic_long_sub(rb->aux_nr_pages, &mmap_user->locked_vm);
else
atomic64_sub(rb->aux_mmap_locked, &vma->vm_mm->pinned_vm);
/* this has to be the last one */
rb_free_aux(rb);

View file

@ -75,6 +75,7 @@
#define SVM_EXIT_MWAIT 0x08b
#define SVM_EXIT_MWAIT_COND 0x08c
#define SVM_EXIT_XSETBV 0x08d
#define SVM_EXIT_RDPRU 0x08e
#define SVM_EXIT_NPF 0x400
#define SVM_EXIT_AVIC_INCOMPLETE_IPI 0x401
#define SVM_EXIT_AVIC_UNACCELERATED_ACCESS 0x402

View file

@ -86,6 +86,8 @@
#define EXIT_REASON_PML_FULL 62
#define EXIT_REASON_XSAVES 63
#define EXIT_REASON_XRSTORS 64
#define EXIT_REASON_UMWAIT 67
#define EXIT_REASON_TPAUSE 68
#define VMX_EXIT_REASONS \
{ EXIT_REASON_EXCEPTION_NMI, "EXCEPTION_NMI" }, \
@ -144,7 +146,9 @@
{ EXIT_REASON_RDSEED, "RDSEED" }, \
{ EXIT_REASON_PML_FULL, "PML_FULL" }, \
{ EXIT_REASON_XSAVES, "XSAVES" }, \
{ EXIT_REASON_XRSTORS, "XRSTORS" }
{ EXIT_REASON_XRSTORS, "XRSTORS" }, \
{ EXIT_REASON_UMWAIT, "UMWAIT" }, \
{ EXIT_REASON_TPAUSE, "TPAUSE" }
#define VMX_ABORT_SAVE_GUEST_MSR_FAIL 1
#define VMX_ABORT_LOAD_HOST_PDPTE_FAIL 2

View file

@ -999,6 +999,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
#define KVM_CAP_PMU_EVENT_FILTER 173
#define KVM_CAP_ARM_IRQ_LINE_LAYOUT_2 174
#define KVM_CAP_HYPERV_DIRECT_TLBFLUSH 175
#ifdef KVM_CAP_IRQ_ROUTING
@ -1145,6 +1146,7 @@ struct kvm_dirty_tlb {
#define KVM_REG_S390 0x5000000000000000ULL
#define KVM_REG_ARM64 0x6000000000000000ULL
#define KVM_REG_MIPS 0x7000000000000000ULL
#define KVM_REG_RISCV 0x8000000000000000ULL
#define KVM_REG_SIZE_SHIFT 52
#define KVM_REG_SIZE_MASK 0x00f0000000000000ULL

View file

@ -33,8 +33,31 @@
#define CLONE_NEWNET 0x40000000 /* New network namespace */
#define CLONE_IO 0x80000000 /* Clone io context */
/*
* Arguments for the clone3 syscall
#ifndef __ASSEMBLY__
/**
* struct clone_args - arguments for the clone3 syscall
* @flags: Flags for the new process as listed above.
* All flags are valid except for CSIGNAL and
* CLONE_DETACHED.
* @pidfd: If CLONE_PIDFD is set, a pidfd will be
* returned in this argument.
* @child_tid: If CLONE_CHILD_SETTID is set, the TID of the
* child process will be returned in the child's
* memory.
* @parent_tid: If CLONE_PARENT_SETTID is set, the TID of
* the child process will be returned in the
* parent's memory.
* @exit_signal: The exit_signal the parent process will be
* sent when the child exits.
* @stack: Specify the location of the stack for the
* child process.
* @stack_size: The size of the stack for the child process.
* @tls: If CLONE_SETTLS is set, the tls descriptor
* is set to tls.
*
* The structure is versioned by size and thus extensible.
* New struct members must go at the end of the struct and
* must be properly 64bit aligned.
*/
struct clone_args {
__aligned_u64 flags;
@ -46,6 +69,9 @@ struct clone_args {
__aligned_u64 stack_size;
__aligned_u64 tls;
};
#endif
#define CLONE_ARGS_SIZE_VER0 64 /* sizeof first published struct */
/*
* Scheduling policies

View file

@ -2635,6 +2635,7 @@ static int build_cl_output(char *cl_sort, bool no_source)
bool add_sym = false;
bool add_dso = false;
bool add_src = false;
int ret = 0;
if (!buf)
return -ENOMEM;
@ -2653,7 +2654,8 @@ static int build_cl_output(char *cl_sort, bool no_source)
add_dso = true;
} else if (strcmp(tok, "offset")) {
pr_err("unrecognized sort token: %s\n", tok);
return -EINVAL;
ret = -EINVAL;
goto err;
}
}
@ -2676,13 +2678,15 @@ static int build_cl_output(char *cl_sort, bool no_source)
add_sym ? "symbol," : "",
add_dso ? "dso," : "",
add_src ? "cl_srcline," : "",
"node") < 0)
return -ENOMEM;
"node") < 0) {
ret = -ENOMEM;
goto err;
}
c2c.show_src = add_src;
err:
free(buf);
return 0;
return ret;
}
static int setup_coalesce(const char *coalesce, bool no_source)

View file

@ -691,6 +691,7 @@ static char *compact_gfp_flags(char *gfp_flags)
new = realloc(new_flags, len + strlen(cpt) + 2);
if (new == NULL) {
free(new_flags);
free(orig_flags);
return NULL;
}

View file

@ -2,7 +2,7 @@ jvmti-y += libjvmti.o
jvmti-y += jvmti_agent.o
# For strlcpy
jvmti-y += libstring.o
jvmti-y += libstring.o libctype.o
CFLAGS_jvmti = -fPIC -DPIC -I$(JDIR)/include -I$(JDIR)/include/linux
CFLAGS_REMOVE_jvmti = -Wmissing-declarations
@ -15,3 +15,7 @@ CFLAGS_libstring.o += -Wno-unused-parameter -DETC_PERFCONFIG="BUILD_STR($(ETC_PE
$(OUTPUT)jvmti/libstring.o: ../lib/string.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)
$(OUTPUT)jvmti/libctype.o: ../lib/ctype.c FORCE
$(call rule_mkdir)
$(call if_changed_dep,cc_o_c)

View file

@ -1762,7 +1762,7 @@ static int symbol__disassemble_bpf(struct symbol *sym,
info_node = perf_env__find_bpf_prog_info(dso->bpf_prog.env,
dso->bpf_prog.id);
if (!info_node) {
return SYMBOL_ANNOTATE_ERRNO__BPF_MISSING_BTF;
ret = SYMBOL_ANNOTATE_ERRNO__BPF_MISSING_BTF;
goto out;
}
info_linear = info_node->info_linear;

View file

@ -101,14 +101,16 @@ static int copyfile_mode_ns(const char *from, const char *to, mode_t mode,
if (tofd < 0)
goto out;
if (fchmod(tofd, mode))
goto out_close_to;
if (st.st_size == 0) { /* /proc? do it slowly... */
err = slow_copyfile(from, tmp, nsi);
if (!err && fchmod(tofd, mode))
err = -1;
goto out_close_to;
}
if (fchmod(tofd, mode))
goto out_close_to;
nsinfo__mountns_enter(nsi, &nsc);
fromfd = open(from, O_RDONLY);
nsinfo__mountns_exit(&nsc);

View file

@ -1599,7 +1599,7 @@ struct evsel *perf_evlist__reset_weak_group(struct evlist *evsel_list,
is_open = false;
if (c2->leader == leader) {
if (is_open)
perf_evsel__close(&evsel->core);
perf_evsel__close(&c2->core);
c2->leader = c2;
c2->core.nr_members = 0;
}

View file

@ -1296,8 +1296,10 @@ static int build_mem_topology(struct memory_node *nodes, u64 size, u64 *cntp)
continue;
if (WARN_ONCE(cnt >= size,
"failed to write MEM_TOPOLOGY, way too many nodes\n"))
"failed to write MEM_TOPOLOGY, way too many nodes\n")) {
closedir(dir);
return -1;
}
ret = memory_node__read(&nodes[cnt++], idx);
}

View file

@ -154,8 +154,10 @@ static int rm_rf_depth_pat(const char *path, int depth, const char **pat)
if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))
continue;
if (!match_pat(d->d_name, pat))
return -2;
if (!match_pat(d->d_name, pat)) {
ret = -2;
break;
}
scnprintf(namebuf, sizeof(namebuf), "%s/%s",
path, d->d_name);