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From: "Alex Bennée" <alex.bennee@linaro.org>
To: "Philippe Mathieu-Daudé" <philmd@linaro.org>
Cc: qemu-devel@nongnu.org,
	 Marcel Apfelbaum <marcel.apfelbaum@gmail.com>,
	Cameron Esfahani <dirty@apple.com>,
	 Alexandre Iooss <erdnaxe@crans.org>,
	Yanan Wang <wangyanan55@huawei.com>,
	 Paolo Bonzini <pbonzini@redhat.com>,
	 Eduardo Habkost <eduardo@habkost.net>,
	 Sunil Muthuswamy <sunilmut@microsoft.com>,
	 Richard Henderson <richard.henderson@linaro.org>,
	 Pierrick Bouvier <pierrick.bouvier@linaro.org>,
	 Mahmoud Mandour <ma.mandourr@gmail.com>,
	Reinoud Zandijk <reinoud@netbsd.org>,
	 kvm@vger.kernel.org,  Roman Bolshakov <rbolshakov@ddn.com>
Subject: Re: [PATCH 4/5] plugins: remove special casing for cpu->realized
Date: Mon, 03 Jun 2024 15:19:59 +0100	[thread overview]
Message-ID: <87bk4iglbk.fsf@draig.linaro.org> (raw)
In-Reply-To: <0a76250f-db5b-4c94-941a-cbec1f2e1db6@linaro.org> ("Philippe Mathieu-Daudé"'s message of "Mon, 3 Jun 2024 13:31:07 +0200")

Philippe Mathieu-Daudé <philmd@linaro.org> writes:

> On 30/5/24 21:42, Alex Bennée wrote:
>> Now the condition variable is initialised early on we don't need to go
>> through hoops to avoid calling async_run_on_cpu.
>> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
>> ---
>>   plugins/core.c | 6 +-----
>>   1 file changed, 1 insertion(+), 5 deletions(-)
>> diff --git a/plugins/core.c b/plugins/core.c
>> index 0726bc7f25..badede28cf 100644
>> --- a/plugins/core.c
>> +++ b/plugins/core.c
>> @@ -65,11 +65,7 @@ static void plugin_cpu_update__locked(gpointer k, gpointer v, gpointer udata)
>>       CPUState *cpu = container_of(k, CPUState, cpu_index);
>>       run_on_cpu_data mask = RUN_ON_CPU_HOST_ULONG(*plugin.mask);
>>   -    if (DEVICE(cpu)->realized) {
>
> We could assert() this to protect future refactors.

No because the CPU can still not be realized but it will be able to
queue async work.

>
> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
>
>> -        async_run_on_cpu(cpu, plugin_cpu_update__async, mask);
>> -    } else {
>> -        plugin_cpu_update__async(cpu, mask);
>> -    }
>> +    async_run_on_cpu(cpu, plugin_cpu_update__async, mask);
>>   }
>>     void plugin_unregister_cb__locked(struct qemu_plugin_ctx *ctx,

-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro


  parent reply	other threads:[~2024-06-03 14:20 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-30 19:42 [PATCH 0/5] cpus: a few tweaks to CPU realization Alex Bennée
2024-05-30 19:42 ` [PATCH 1/5] hw/core: expand on the alignment of CPUState Alex Bennée
2024-05-30 22:28   ` Pierrick Bouvier
2024-06-03 11:32   ` Philippe Mathieu-Daudé
2024-05-30 19:42 ` [PATCH 2/5] cpu: move Qemu[Thread|Cond] setup into common code Alex Bennée
2024-05-30 22:29   ` Pierrick Bouvier
2024-05-31 13:46     ` Reinoud Zandijk
2024-06-03 11:28   ` Philippe Mathieu-Daudé
2024-05-30 19:42 ` [PATCH 3/5] cpu-target: don't set cpu->thread_id to bogus value Alex Bennée
2024-05-30 22:29   ` Pierrick Bouvier
2024-06-03 11:29   ` Philippe Mathieu-Daudé
2024-05-30 19:42 ` [PATCH 4/5] plugins: remove special casing for cpu->realized Alex Bennée
2024-05-30 22:30   ` Pierrick Bouvier
2024-06-03 11:31   ` Philippe Mathieu-Daudé
2024-06-03 14:11     ` Philippe Mathieu-Daudé
2024-06-03 14:19     ` Alex Bennée [this message]
2024-05-30 19:42 ` [PATCH 5/5] core/cpu-common: initialise plugin state before thread creation Alex Bennée
2024-05-30 22:31   ` Pierrick Bouvier
2024-05-31  8:59     ` Alex Bennée
2024-05-31  7:26   ` Philippe Mathieu-Daudé
2024-05-31  8:47     ` Alex Bennée
2024-06-03 14:10       ` Philippe Mathieu-Daudé
2024-06-03 12:47 ` [PATCH 0/5] cpus: a few tweaks to CPU realization Philippe Mathieu-Daudé
2024-06-03 14:11   ` Philippe Mathieu-Daudé

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