diff options
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/elfload.c | 2 | ||||
| -rw-r--r-- | linux-user/ppc/cpu_loop.c | 1 | ||||
| -rw-r--r-- | linux-user/syscall.c | 19 |
3 files changed, 14 insertions, 8 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 01a9323a63..ebc663ea0b 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -2073,12 +2073,14 @@ static void pgb_have_guest_base(const char *image_name, abi_ulong guest_loaddr, exit(EXIT_FAILURE); } } else { +#if HOST_LONG_BITS < TARGET_ABI_BITS if ((guest_hiaddr - guest_base) > ~(uintptr_t)0) { error_report("%s: requires more virtual address space " "than the host can provide (0x%" PRIx64 ")", image_name, (uint64_t)guest_hiaddr - guest_base); exit(EXIT_FAILURE); } +#endif } /* diff --git a/linux-user/ppc/cpu_loop.c b/linux-user/ppc/cpu_loop.c index 5b27f8603e..df71e15a25 100644 --- a/linux-user/ppc/cpu_loop.c +++ b/linux-user/ppc/cpu_loop.c @@ -267,6 +267,7 @@ void cpu_loop(CPUPPCState *env) queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); break; case POWERPC_EXCP_SYSCALL: /* System call exception */ + case POWERPC_EXCP_SYSCALL_VECTORED: cpu_abort(cs, "Syscall exception while in user mode. " "Aborting\n"); break; diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 2d8125fa53..97de9fb5c9 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -7653,30 +7653,33 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, return -TARGET_ERESTARTSYS; } - cpu_list_lock(); + pthread_mutex_lock(&clone_lock); if (CPU_NEXT(first_cpu)) { - TaskState *ts; + TaskState *ts = cpu->opaque; - /* Remove the CPU from the list. */ - QTAILQ_REMOVE_RCU(&cpus, cpu, node); + object_property_set_bool(OBJECT(cpu), false, "realized", NULL); + object_unref(OBJECT(cpu)); + /* + * At this point the CPU should be unrealized and removed + * from cpu lists. We can clean-up the rest of the thread + * data without the lock held. + */ - cpu_list_unlock(); + pthread_mutex_unlock(&clone_lock); - ts = cpu->opaque; if (ts->child_tidptr) { put_user_u32(0, ts->child_tidptr); do_sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, NULL, NULL, 0); } thread_cpu = NULL; - object_unref(OBJECT(cpu)); g_free(ts); rcu_unregister_thread(); pthread_exit(NULL); } - cpu_list_unlock(); + pthread_mutex_unlock(&clone_lock); preexit_cleanup(cpu_env, arg1); _exit(arg1); return 0; /* avoid warning */ |