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exec: Reduce CONFIG_USER_ONLY ifdeffenery 

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Igor Mammedov 2016-07-25 11:59:19 +02:00 committed by Eduardo Habkost
parent f49ee630d7
commit 1bc7e522d9
4 changed files with 15 additions and 18 deletions
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2
bsd-user/qemu.h
View File

@ -209,8 +209,6 @@ abi_long target_mremap(abi_ulong old_addr, abi_ulong old_size,
abi_ulong new_addr);
int target_msync(abi_ulong start, abi_ulong len, int flags);
extern unsigned long last_brk;
void cpu_list_lock(void);
void cpu_list_unlock(void);
#if defined(CONFIG_USE_NPTL)
void mmap_fork_start(void);
void mmap_fork_end(int child);

17
exec.c
View File

@ -642,23 +642,17 @@ void cpu_exec_exit(CPUState *cpu)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
#if defined(CONFIG_USER_ONLY)
cpu_list_lock();
#endif
if (cpu->cpu_index == -1) {
/* cpu_index was never allocated by this @cpu or was already freed. */
#if defined(CONFIG_USER_ONLY)
cpu_list_unlock();
#endif
return;
}
QTAILQ_REMOVE(&cpus, cpu, node);
cpu_release_index(cpu);
cpu->cpu_index = -1;
#if defined(CONFIG_USER_ONLY)
cpu_list_unlock();
#endif
if (cc->vmsd != NULL) {
vmstate_unregister(NULL, cc->vmsd, cpu);
@ -670,7 +664,7 @@ void cpu_exec_exit(CPUState *cpu)
void cpu_exec_init(CPUState *cpu, Error **errp)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
CPUClass *cc ATTRIBUTE_UNUSED = CPU_GET_CLASS(cpu);
Error *local_err = NULL;
cpu->as = NULL;
@ -694,22 +688,17 @@ void cpu_exec_init(CPUState *cpu, Error **errp)
object_ref(OBJECT(cpu->memory));
#endif
#if defined(CONFIG_USER_ONLY)
cpu_list_lock();
#endif
cpu->cpu_index = cpu_get_free_index(&local_err);
if (local_err) {
error_propagate(errp, local_err);
#if defined(CONFIG_USER_ONLY)
cpu_list_unlock();
#endif
return;
}
QTAILQ_INSERT_TAIL(&cpus, cpu, node);
#if defined(CONFIG_USER_ONLY)
(void) cc;
cpu_list_unlock();
#else
#ifndef CONFIG_USER_ONLY
if (qdev_get_vmsd(DEVICE(cpu)) == NULL) {
vmstate_register(NULL, cpu->cpu_index, &vmstate_cpu_common, cpu);
}

12
include/exec/exec-all.h
View File

@ -56,6 +56,18 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
target_ulong pc, target_ulong cs_base,
uint32_t flags,
int cflags);
#if defined(CONFIG_USER_ONLY)
void cpu_list_lock(void);
void cpu_list_unlock(void);
#else
static inline void cpu_list_unlock(void)
{
}
static inline void cpu_list_lock(void)
{
}
#endif
void cpu_exec_init(CPUState *cpu, Error **errp);
void QEMU_NORETURN cpu_loop_exit(CPUState *cpu);
void QEMU_NORETURN cpu_loop_exit_restore(CPUState *cpu, uintptr_t pc);

2
linux-user/qemu.h
View File

@ -419,8 +419,6 @@ int target_msync(abi_ulong start, abi_ulong len, int flags);
extern unsigned long last_brk;
extern abi_ulong mmap_next_start;
abi_ulong mmap_find_vma(abi_ulong, abi_ulong);
void cpu_list_lock(void);
void cpu_list_unlock(void);
void mmap_fork_start(void);
void mmap_fork_end(int child);