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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: Chinmay Rath <rathc@linux.ibm.com>, qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, "Nicholas Piggin" <npiggin@gmail.com>,
	kvm@vger.kernel.org, "Paolo Bonzini" <pbonzini@redhat.com>,
	"Harsh Prateek Bora" <harshpb@linux.ibm.com>,
	"Cédric Le Goater" <clg@redhat.com>
Subject: Re: [PATCH v2 04/11] hw/ppc/spapr: Inline spapr_dtb_needed()
Date: Tue, 21 Oct 2025 16:21:37 +0200	[thread overview]
Message-ID: <d264c81b-119e-439f-a4c2-68a7336d6ba6@linaro.org> (raw)
In-Reply-To: <602c19bc-bed9-43c2-b98c-491b75921604@linux.ibm.com>

On 21/10/25 15:25, Chinmay Rath wrote:
> Hey Philippe,
> The commit message says that this commit is inline-ing 
> spapr_dtb_needed(), but it is actually removing it. I think it's better 
> to convey that in the commit message.
> Or did I miss something ?
> 
> On 10/21/25 14:13, Philippe Mathieu-Daudé wrote:
>> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
>> ---
>>   hw/ppc/spapr.c | 6 ------
>>   1 file changed, 6 deletions(-)
>>
>> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
>> index 458d1c29b4d..ad9fc61c299 100644
>> --- a/hw/ppc/spapr.c
>> +++ b/hw/ppc/spapr.c
>> @@ -2053,11 +2053,6 @@ static const VMStateDescription 
>> vmstate_spapr_irq_map = {
>>       },
>>   };
>> -static bool spapr_dtb_needed(void *opaque)
>> -{
>> -    return true; /* backward migration compat */
>> -}
>> -
>>   static int spapr_dtb_pre_load(void *opaque)
>>   {
>>       SpaprMachineState *spapr = (SpaprMachineState *)opaque;
>> @@ -2073,7 +2068,6 @@ static const VMStateDescription 
>> vmstate_spapr_dtb = {
>>       .name = "spapr_dtb",
>>       .version_id = 1,
> 
> Does this version number need to be incremented ?

No, this is a no-op.

> 
> Regards,
> Chinmay
> 
>>       .minimum_version_id = 1,
>> -    .needed = spapr_dtb_needed,

Here is the inlining, as '.needed = true' is the default.

Would "Inline and remove spapr_dtb_needed()" be clearer?

>>       .pre_load = spapr_dtb_pre_load,
>>       .fields = (const VMStateField[]) {
>>           VMSTATE_UINT32(fdt_initial_size, SpaprMachineState),



  reply	other threads:[~2025-10-21 14:22 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-21  8:43 [PATCH v2 00/11] hw/ppc/spapr: Remove deprecated pseries-3.0 -> pseries-4.2 machines Philippe Mathieu-Daudé
2025-10-21  8:43 ` [PATCH v2 01/11] ppc/spapr: remove deprecated machine pseries-3.0 Philippe Mathieu-Daudé
2025-10-21  8:43 ` [PATCH v2 02/11] hw/ppc/spapr: Remove SpaprMachineClass::nr_xirqs field Philippe Mathieu-Daudé
2025-10-21 10:35   ` Chinmay Rath
2025-10-22  7:17     ` Chinmay Rath
2025-10-21  8:43 ` [PATCH v2 03/11] ppc/spapr: remove deprecated machine pseries-3.1 Philippe Mathieu-Daudé
2025-10-21  8:43 ` [PATCH v2 04/11] hw/ppc/spapr: Inline spapr_dtb_needed() Philippe Mathieu-Daudé
2025-10-21 13:25   ` Chinmay Rath
2025-10-21 14:21     ` Philippe Mathieu-Daudé [this message]
2025-10-22  7:03       ` Chinmay Rath
2025-10-21  8:43 ` [PATCH v2 05/11] hw/ppc/spapr: Inline few SPAPR_IRQ_* uses Philippe Mathieu-Daudé
2025-10-21 11:27   ` Chinmay Rath
2025-10-21  8:43 ` [PATCH v2 06/11] target/ppc/kvm: Remove kvmppc_get_host_serial() as unused Philippe Mathieu-Daudé
2025-10-21 11:36   ` Chinmay Rath
2025-10-21  8:43 ` [PATCH v2 07/11] target/ppc/kvm: Remove kvmppc_get_host_model() " Philippe Mathieu-Daudé
2025-10-21 11:39   ` Chinmay Rath
2025-10-21  8:43 ` [PATCH v2 08/11] ppc/spapr: remove deprecated machine pseries-4.0 Philippe Mathieu-Daudé
2025-10-21  8:43 ` [PATCH v2 09/11] hw/ppc/spapr: Remove SpaprMachineClass::phb_placement callback Philippe Mathieu-Daudé
2025-10-21 11:48   ` Chinmay Rath
2025-10-21  8:43 ` [PATCH v2 10/11] ppc/spapr: remove deprecated machine pseries-4.1 Philippe Mathieu-Daudé
2025-10-21  8:43 ` [PATCH v2 11/11] ppc/spapr: remove deprecated machine pseries-4.2 Philippe Mathieu-Daudé
2025-10-21 11:07 ` [PATCH v2 00/11] hw/ppc/spapr: Remove deprecated pseries-3.0 -> pseries-4.2 machines Michal Suchánek
2025-10-29 17:30   ` Shivaprasad G Bhat
2025-10-29 19:53     ` Michal Suchánek
2025-10-23 11:47 ` Harsh Prateek Bora

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