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From: Richard Henderson <richard.henderson@linaro.org>
To: "Philippe Mathieu-Daudé" <philmd@linaro.org>, qemu-devel@nongnu.org
Cc: Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [PATCH v3 18/19] hw: Constify various TypeInfo and associated structures
Date: Wed, 12 Feb 2025 14:10:14 -0800	[thread overview]
Message-ID: <09a344ad-76b1-40ba-9231-6fb5d9236028@linaro.org> (raw)
In-Reply-To: <20250212213249.45574-19-philmd@linaro.org>

On 2/12/25 13:32, Philippe Mathieu-Daudé wrote:
> Constify various TypeInfo structures.
> 
> When they are generated from an array, also constify the array.
> 
> Suggested-by: Richard Henderson <richard.henderson@linaro.org>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>   hw/net/e1000.c             | 12 ++++++------
>   hw/rtc/m48t59-isa.c        | 22 +++++++++++-----------
>   hw/rtc/m48t59.c            | 22 +++++++++++-----------
>   hw/scsi/megasas.c          | 16 ++++++++--------
>   hw/usb/hcd-ehci-pci.c      | 20 ++++++++++----------
>   hw/usb/hcd-uhci.c          | 20 ++++++++++----------
>   hw/usb/vt82c686-uhci-pci.c |  6 +++---
>   7 files changed, 59 insertions(+), 59 deletions(-)
> 
> diff --git a/hw/net/e1000.c b/hw/net/e1000.c
> index cba4999e6d0..4436c2ce0cc 100644
> --- a/hw/net/e1000.c
> +++ b/hw/net/e1000.c
> @@ -1766,12 +1766,12 @@ static void e1000_register_types(void)
>       type_register_static(&e1000_base_info);
>       for (i = 0; i < ARRAY_SIZE(e1000_devices); i++) {
>           const E1000Info *info = &e1000_devices[i];
> -        TypeInfo type_info = {};
> -
> -        type_info.name = info->name;
> -        type_info.parent = TYPE_E1000_BASE;
> -        type_info.class_data = info;
> -        type_info.class_init = e1000_class_init;
> +        const TypeInfo type_info = {
> +            .name       = info->name,
> +            .parent     = TYPE_E1000_BASE,
> +            .class_data = info,
> +            .class_init = e1000_class_init,
> +        };
>   
>           type_register_static(&type_info);
>       }
> diff --git a/hw/rtc/m48t59-isa.c b/hw/rtc/m48t59-isa.c
> index 9e2f6563a0a..152208d931e 100644
> --- a/hw/rtc/m48t59-isa.c
> +++ b/hw/rtc/m48t59-isa.c
> @@ -51,7 +51,7 @@ struct M48txxISADeviceClass {
>       M48txxInfo info;
>   };
>   
> -static M48txxInfo m48txx_isa_info[] = {
> +static const M48txxInfo m48txx_isa_info[] = {

I wouldn't mix constifying TypeInfo with constifying class_data.


r~


  reply	other threads:[~2025-02-12 22:10 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-12 21:32 [PATCH v3 00/19] qom: Constify class_data Philippe Mathieu-Daudé
2025-02-12 21:32 ` [PATCH v3 01/19] hw: Declare various const data as 'const' Philippe Mathieu-Daudé
2025-02-12 21:32 ` [PATCH v3 02/19] hw: Make class data 'const' Philippe Mathieu-Daudé
2025-02-12 21:32 ` [PATCH v3 03/19] target/i386: Constify X86CPUModel uses Philippe Mathieu-Daudé
2025-02-12 21:32 ` [PATCH v3 04/19] target/sparc: Constify SPARCCPUClass::cpu_def Philippe Mathieu-Daudé
2025-02-12 21:32 ` [PATCH v3 05/19] target/xtensa: Finalize config in xtensa_register_core() Philippe Mathieu-Daudé
2025-02-12 21:32 ` [PATCH v3 06/19] target/riscv: Declare RISCVCPUClass::misa_mxl_max as RISCVMXL Philippe Mathieu-Daudé
2025-02-17  5:08   ` Alistair Francis
2025-02-12 21:32 ` [PATCH v3 07/19] target/riscv: Convert misa_mxl_max using GLib macros Philippe Mathieu-Daudé
2025-02-17  5:13   ` Alistair Francis
2025-02-12 21:32 ` [PATCH v3 08/19] qom: Have class_base_init() take a const data argument Philippe Mathieu-Daudé
2025-02-12 21:32 ` [PATCH v3 09/19] qom: Have class_init() " Philippe Mathieu-Daudé
2025-02-12 21:32 ` [PATCH v3 10/19] qom: Constify TypeInfo::class_data Philippe Mathieu-Daudé
2025-02-12 21:32 ` [PATCH v3 11/19] qom: Constify InterfaceInfo[] interfaces Philippe Mathieu-Daudé
2025-02-12 21:32 ` [PATCH v3 12/19] hw/virtio/virtio-pci: Always allocate QOM type base_name Philippe Mathieu-Daudé
2025-02-12 22:06   ` Richard Henderson
2025-02-12 21:32 ` [PATCH v3 13/19] hw/virtio/virtio-pci: Assert before registering QOM types Philippe Mathieu-Daudé
2025-02-12 21:32 ` [PATCH v3 14/19] hw/virtio/virtio-pci: Do not access base_type_info.name directly Philippe Mathieu-Daudé
2025-02-12 21:32 ` [PATCH v3 15/19] hw/virtio/virtio-pci: Constify base_type_info Philippe Mathieu-Daudé
2025-02-12 21:32 ` [PATCH v3 16/19] hw/virtio/virtio-pci: Constify generic_type_info Philippe Mathieu-Daudé
2025-02-12 21:32 ` [PATCH v3 17/19] hw/virtio/virtio-pci: Reduce generic_type_info scope Philippe Mathieu-Daudé
2025-02-12 21:32 ` [PATCH v3 18/19] hw: Constify various TypeInfo and associated structures Philippe Mathieu-Daudé
2025-02-12 22:10   ` Richard Henderson [this message]
2025-02-12 21:32 ` [PATCH v3 19/19] qom: Require TypeInfo::class_data points to const data Philippe Mathieu-Daudé
2025-02-12 22:11   ` Richard Henderson
2025-02-18 16:51     ` Philippe Mathieu-Daudé

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