linux-kernel - Re: [PATCH v4 0/2] Loongarch irq-redirect supprot

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Message-ID: <91858552-2ccd-73af-1f5c-962682952a99@loongson.cn>
Date: Tue, 10 Jun 2025 20:07:15 +0800
From: Tianyang Zhang <zhangtianyang@...ngson.cn>
To: Huacai Chen <chenhuacai@...nel.org>
Cc: kernel@...0n.name, corbet@....net, alexs@...nel.org,
 si.yanteng@...ux.dev, tglx@...utronix.de, jiaxun.yang@...goat.com,
 peterz@...radead.org, wangliupu@...ngson.cn, lvjianmin@...ngson.cn,
 maobibo@...ngson.cn, siyanteng@...oftware.com.cn, gaosong@...ngson.cn,
 yangtiezhu@...ngson.cn, loongarch@...ts.linux.dev,
 linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
 Super User <root@...alhost.localdomain>
Subject: Re: [PATCH v4 0/2] Loongarch irq-redirect supprot

Hi, Huacai

在 2025/6/10 下午7:54, Huacai Chen 写道:
> Hi, Tianyang,
>
> Have you received my comments in V3?
> https://lore.kernel.org/loongarch/20250523101833.17940-1-zhangtianyang@loongson.cn/T/#m2883f379ce7eb663f3f3eb4736bf9b071c7fd8ab
>
> Huacai

Sorry, except for a slight network issue, I did not receive the email 
mentioned above.

I will reply to the email first and continue to modify this series of 
patches

Tianyang

> On Tue, Jun 10, 2025 at 7:43 PM Tianyang Zhang
> <zhangtianyang@...ngson.cn> wrote:
>> From: Super User <root@...alhost.localdomain>
>>
>> This series of patches introduces support for interrupt-redirect
>> controllers, and this hardware feature will be supported on 3C6000
>> for the first time
>>
>> change log:
>>          v0->v1:
>>          1.Rename the model names in the document.
>>          2.Adjust the code format.
>>          3.Remove architecture - specific prefixes.
>>          4.Refactor the initialization logic, and IR driver no longer set AVEC_ENABLE.
>>          5.Enhance compatibility under certain configurations.
>>
>>          v1->v2:
>>          1.Fixed an erroneous enabling issue.
>>
>>          v2->v3
>>          1.Replace smp_call with address mapping to access registers
>>          2.Fix some code style issues
>>
>>          v3->v4
>>          1.Provide reasonable comments on the modifications made to IRQ_SET_MASK_OK_DONE
>>          2.Replace meaningless empty functions with parent_mask/unmask/ack
>>          3.Added and indeed released resources
>>          4.Added judgment for data structure initialization completion to avoid duplicate creation during cpuhotplug
>>          5.Fixed the code style and some unnecessary troubles
>>
>> Tianyang Zhang (2):
>>    Docs/LoongArch: Add Advanced Extended-Redirect IRQ model description
>>    irq/irq-loongarch-ir:Add Redirect irqchip support
>>
>>   .../arch/loongarch/irq-chip-model.rst         |  38 ++
>>   .../zh_CN/arch/loongarch/irq-chip-model.rst   |  37 ++
>>   arch/loongarch/include/asm/cpu-features.h     |   1 +
>>   arch/loongarch/include/asm/cpu.h              |   2 +
>>   arch/loongarch/include/asm/loongarch.h        |   6 +
>>   arch/loongarch/kernel/cpu-probe.c             |   2 +
>>   drivers/irqchip/Makefile                      |   2 +-
>>   drivers/irqchip/irq-loongarch-avec.c          |  25 +-
>>   drivers/irqchip/irq-loongarch-ir.c            | 562 ++++++++++++++++++
>>   drivers/irqchip/irq-loongson.h                |  12 +
>>   include/linux/cpuhotplug.h                    |   1 +
>>   11 files changed, 674 insertions(+), 14 deletions(-)
>>   create mode 100644 drivers/irqchip/irq-loongarch-ir.c
>>
>> --
>> 2.41.0
>>