linux-kernel - Re: [PATCH hyperv-next v6 01/11] arm64: kvm, smccc: Introduce and use API for detecting hypervisor presence

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Message-ID: <238beef1-16d3-4c72-ac7f-7d578ab8fc3d@linux.microsoft.com>
Date: Mon, 17 Mar 2025 10:28:38 -0700
From: Roman Kisel <romank@...ux.microsoft.com>
To: Arnd Bergmann <arnd@...db.de>
Cc: apais@...rosoft.com, benhill@...rosoft.com, bperkins@...rosoft.com,
 sunilmut@...rosoft.com, bhelgaas@...gle.com, Borislav Petkov <bp@...en8.de>,
 Catalin Marinas <catalin.marinas@....com>, Conor Dooley
 <conor+dt@...nel.org>, Dan Carpenter <dan.carpenter@...aro.org>,
 Dave Hansen <dave.hansen@...ux.intel.com>, Dexuan Cui <decui@...rosoft.com>,
 Haiyang Zhang <haiyangz@...rosoft.com>, "H. Peter Anvin" <hpa@...or.com>,
 Joey Gouly <joey.gouly@....com>, krzk+dt@...nel.org,
 Krzysztof Wilczyński <kw@...ux.com>,
 "K. Y. Srinivasan" <kys@...rosoft.com>, Len Brown <lenb@...nel.org>,
 Lorenzo Pieralisi <lpieralisi@...nel.org>,
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
 Mark Rutland <mark.rutland@....com>, Marc Zyngier <maz@...nel.org>,
 Ingo Molnar <mingo@...hat.com>, Oliver Upton <oliver.upton@...ux.dev>,
 "Rafael J . Wysocki" <rafael@...nel.org>, Rob Herring <robh@...nel.org>,
 ssengar@...ux.microsoft.com, Sudeep Holla <sudeep.holla@....com>,
 Suzuki K Poulose <suzuki.poulose@....com>,
 Thomas Gleixner <tglx@...utronix.de>, Wei Liu <wei.liu@...nel.org>,
 Will Deacon <will@...nel.org>, Zenghui Yu <yuzenghui@...wei.com>,
 devicetree@...r.kernel.org, kvmarm@...ts.linux.dev,
 linux-acpi@...r.kernel.org, Linux-Arch <linux-arch@...r.kernel.org>,
 linux-arm-kernel@...ts.infradead.org, linux-hyperv@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org, x86@...nel.org
Subject: Re: [PATCH hyperv-next v6 01/11] arm64: kvm, smccc: Introduce and use
 API for detecting hypervisor presence

On 3/15/2025 6:12 AM, Arnd Bergmann wrote:
> On Sat, Mar 15, 2025, at 01:27, Roman Kisel wrote:
>> On 3/14/2025 5:19 PM, Roman Kisel wrote:
>>
>> While the change is Acked, here is the caveat maybe.
>>
>> This patch produces warnings wtih sparse and CHECK_ENDING.
>> That said, the kernel build produces a whole lot more other warnings
>> from building with sparse by itself and/or with CHECK_ENDING.
>>
>> I am not sure how to proceed with that, thinking I should
>> not add warnings yet at the same time there are many others.
>> Not certain if folks take these signals as fyi or blockers.
> 
> It would be best not to add warnigns. There is slow progress on
> fixing all the endianess warnings and I hope this can eventually
> complete, so even if there are many existing ones please try to
> keep new code clean.
> 

Will fix the warnings, appreciate providing the guidance!

>       Arnd

-- 
Thank you,
Roman