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Re: [PATCH] cpus: Move CPU code from exec.c to cpus.c
From: |
Alex Bennée |
Subject: |
Re: [PATCH] cpus: Move CPU code from exec.c to cpus.c |
Date: |
Thu, 02 Jul 2020 11:33:48 +0100 |
User-agent: |
mu4e 1.5.3; emacs 28.0.50 |
Paolo Bonzini <pbonzini@redhat.com> writes:
> On 02/07/20 11:38, Paolo Bonzini wrote:
>> On 01/07/20 19:54, Philippe Mathieu-Daudé wrote:
>>> This code was introduced with SMP support in commit 6a00d60127,
>>> later commit 296af7c952 moved CPU parts to cpus.c but forgot this
>>> code. Move now and simplify ifdef'ry.
>>>
>>> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
>>> ---
>>> cpus.c | 18 ++++++++++++++++++
>>> exec.c | 22 ----------------------
>>> 2 files changed, 18 insertions(+), 22 deletions(-)
>>>
>>> diff --git a/cpus.c b/cpus.c
>>> index 41d1c5099f..472686cbbc 100644
>>> --- a/cpus.c
>>> +++ b/cpus.c
>>> @@ -92,6 +92,11 @@ static unsigned int throttle_percentage;
>>> #define CPU_THROTTLE_PCT_MAX 99
>>> #define CPU_THROTTLE_TIMESLICE_NS 10000000
>>>
>>> +CPUTailQ cpus = QTAILQ_HEAD_INITIALIZER(cpus);
>>> +
>>> +/* current CPU in the current thread. It is only valid inside cpu_exec() */
>>> +__thread CPUState *current_cpu;
>>> +
>>> bool cpu_is_stopped(CPUState *cpu)
>>> {
>>> return cpu->stopped || !runstate_is_running();
>>> @@ -134,6 +139,19 @@ static bool all_cpu_threads_idle(void)
>>> return true;
>>> }
>>>
>>> +CPUState *qemu_get_cpu(int index)
>>> +{
>>> + CPUState *cpu;
>>> +
>>> + CPU_FOREACH(cpu) {
>>> + if (cpu->cpu_index == index) {
>>> + return cpu;
>>> + }
>>> + }
>>> +
>>> + return NULL;
>>> +}
>>> +
>>> /***********************************************************/
>>> /* guest cycle counter */
>>>
>>> diff --git a/exec.c b/exec.c
>>> index 21926dc9c7..997b7db15f 100644
>>> --- a/exec.c
>>> +++ b/exec.c
>>> @@ -98,12 +98,6 @@ AddressSpace address_space_memory;
>>> static MemoryRegion io_mem_unassigned;
>>> #endif
>>>
>>> -CPUTailQ cpus = QTAILQ_HEAD_INITIALIZER(cpus);
>>> -
>>> -/* current CPU in the current thread. It is only valid inside
>>> - cpu_exec() */
>>> -__thread CPUState *current_cpu;
>>> -
>>> uintptr_t qemu_host_page_size;
>>> intptr_t qemu_host_page_mask;
>>>
>>> @@ -832,22 +826,6 @@ const VMStateDescription vmstate_cpu_common = {
>>> }
>>> };
>>>
>>> -#endif
>>> -
>>> -CPUState *qemu_get_cpu(int index)
>>> -{
>>> - CPUState *cpu;
>>> -
>>> - CPU_FOREACH(cpu) {
>>> - if (cpu->cpu_index == index) {
>>> - return cpu;
>>> - }
>>> - }
>>> -
>>> - return NULL;
>>> -}
>>> -
>>> -#if !defined(CONFIG_USER_ONLY)
>>> void cpu_address_space_init(CPUState *cpu, int asidx,
>>> const char *prefix, MemoryRegion *mr)
>>> {
>>>
>>
>> Queued, thanks.
>>
>> Paolo
>>
>>
>
> Wait... this is in exec.c because cpus.c is not linked into user-mode
> emulators.
cpus-common then?
--
Alex Bennée