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Re: [Qemu-devel] [PATCH 01/19] exec: split cpu_exec_init()
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH 01/19] exec: split cpu_exec_init() |
Date: |
Wed, 5 Oct 2016 13:13:18 -0700 |
On 5 October 2016 at 12:38, Laurent Vivier <address@hidden> wrote:
> Extract the realize part to cpu_exec_realize(), update all
> calls to cpu_exec_init() to add cpu_exec_realize() to
> have no functionnal change.
>
> Put in cpu_exec_init() what initializes the CPU,
> in cpu_exec_realize() what adds it to the environment.
>
> CC: Paolo Bonzini <address@hidden>
> Signed-off-by: Laurent Vivier <address@hidden>
> ---
> exec.c | 8 +++++---
> include/exec/exec-all.h | 1 +
> target-alpha/cpu.c | 1 +
> target-arm/cpu.c | 1 +
> target-cris/cpu.c | 1 +
> target-i386/cpu.c | 1 +
> target-lm32/cpu.c | 1 +
> target-m68k/cpu.c | 1 +
> target-microblaze/cpu.c | 1 +
> target-mips/cpu.c | 1 +
> target-moxie/cpu.c | 1 +
> target-openrisc/cpu.c | 1 +
> target-ppc/translate_init.c | 5 +++++
> target-s390x/cpu.c | 4 ++++
> target-sh4/cpu.c | 1 +
> target-sparc/cpu.c | 1 +
> target-tilegx/cpu.c | 1 +
> target-tricore/cpu.c | 1 +
> target-unicore32/cpu.c | 1 +
> target-xtensa/cpu.c | 1 +
> 20 files changed, 31 insertions(+), 3 deletions(-)
>
> diff --git a/exec.c b/exec.c
> index c8389f9..95b0aee 100644
> --- a/exec.c
> +++ b/exec.c
> @@ -614,9 +614,6 @@ void cpu_exec_exit(CPUState *cpu)
>
> void cpu_exec_init(CPUState *cpu, Error **errp)
> {
> - CPUClass *cc ATTRIBUTE_UNUSED = CPU_GET_CLASS(cpu);
> - Error *local_err ATTRIBUTE_UNUSED = NULL;
> -
> cpu->as = NULL;
> cpu->num_ases = 0;
>
> @@ -637,6 +634,11 @@ void cpu_exec_init(CPUState *cpu, Error **errp)
> cpu->memory = system_memory;
> object_ref(OBJECT(cpu->memory));
> #endif
> +}
> +
> +void cpu_exec_realize(CPUState *cpu, Error **errp)
> +{
> + CPUClass *cc ATTRIBUTE_UNUSED = CPU_GET_CLASS(cpu);
>
> cpu_list_add(cpu);
I think cpu_list_add() needs to be in init, because
this is where we set cpu->cpu_index, and (after patch 5)
target-arm assumes that cpu_index has been set by
init but before realize. So I guess we should do it
in init and then roll back in the destructor?
thanks
-- PMM
- [Qemu-devel] [PATCH 00/19] Split cpu_exec_init() into an init and a realize part, Laurent Vivier, 2016/10/05
- [Qemu-devel] [PATCH 02/19] target-i386: move back cpu_exec_init() to init, Laurent Vivier, 2016/10/05
- [Qemu-devel] [PATCH 03/19] target-ppc: move back cpu_exec_init() to init, Laurent Vivier, 2016/10/05
- [Qemu-devel] [PATCH 04/19] target-s390: move back cpu_exec_init() to init, Laurent Vivier, 2016/10/05
- [Qemu-devel] [PATCH 05/19] target-arm: move cpu_exec_realize() to realize function, Laurent Vivier, 2016/10/05
- [Qemu-devel] [PATCH 06/19] target-alpha: move cpu_exec_realize() to realize function, Laurent Vivier, 2016/10/05