From: Thomas Gleixner <tglx@linutronix.de>
To: Nuno Das Neves <nunodasneves@linux.microsoft.com>,
Nam Cao <namcao@linutronix.de>,
"K . Y . Srinivasan" <kys@microsoft.com>,
Marc Zyngier <maz@kernel.org>,
Haiyang Zhang <haiyangz@microsoft.com>,
Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H . Peter Anvin" <hpa@zytor.com>,
linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 1/1] x86/hyperv: Switch to msi_create_parent_irq_domain()
Date: Thu, 04 Sep 2025 11:57:39 +0200 [thread overview]
Message-ID: <87o6rqy1yk.ffs@tglx> (raw)
In-Reply-To: <0105fb29-1d42-49cb-8146-d2dfcb600843@linux.microsoft.com>
On Wed, Sep 03 2025 at 12:40, Nuno Das Neves wrote:
> On 7/18/2025 12:57 PM, Nam Cao wrote:
>> Move away from the legacy MSI domain setup, switch to use
>> msi_create_parent_irq_domain().
>>
>> While doing the conversion, I noticed that hv_irq_compose_msi_msg() is
>> doing more than it is supposed to (composing message content). The
>> interrupt allocation bits should be moved into hv_msi_domain_alloc().
>> However, I have no hardware to test this change, therefore I leave a TODO
>> note.
>>
>> Signed-off-by: Nam Cao <namcao@linutronix.de>
>> ---
>> arch/x86/hyperv/irqdomain.c | 111 ++++++++++++++++++++++++------------
>> drivers/hv/Kconfig | 1 +
>> 2 files changed, 77 insertions(+), 35 deletions(-)
>
> Tested on nested root partition.
>
> Looks good, thanks.
>
> Tested-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
> Reviewed-by: Nuno Das Neves <nunodasneves@linux.microsoft.com>
I assume this goes through the hyper-V tree.
Acked-by: Thomas Gleixner <tglx@linutronix.de>
next prev parent reply other threads:[~2025-09-04 9:57 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-18 19:57 [PATCH v3 0/1] x86/hyperv: MSI parent domain conversion Nam Cao
2025-07-18 19:57 ` [PATCH v3 1/1] x86/hyperv: Switch to msi_create_parent_irq_domain() Nam Cao
2025-08-21 7:34 ` Shradha Gupta
2025-09-03 19:40 ` Nuno Das Neves
2025-09-04 9:57 ` Thomas Gleixner [this message]
2025-09-04 23:57 ` Wei Liu
2025-07-24 16:47 ` [PATCH v3 0/1] x86/hyperv: MSI parent domain conversion Wei Liu
2025-09-03 14:00 ` Thomas Gleixner
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