linux-kernel - Re: [PATCH v2] Drivers: hv: Use better errno matches for HV

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Message-ID: <20251007160835.GA2225925@liuwe-devbox-debian-v2.local>
Date: Tue, 7 Oct 2025 16:08:35 +0000
From: Wei Liu <wei.liu@...nel.org>
To: Easwar Hariharan <easwar.hariharan@...ux.microsoft.com>
Cc: "K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
	Stanislav Kinsburskii <skinsburskii@...ux.microsoft.com>,
	Nuno Das Neves <nunodasneves@...ux.microsoft.com>,
	"open list:Hyper-V/Azure CORE AND DRIVERS" <linux-hyperv@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] Drivers: hv: Use better errno matches for HV_STATUS
 values

On Mon, Oct 06, 2025 at 11:08:08PM +0000, Easwar Hariharan wrote:
> Use a better mapping of hypervisor status codes to errno values and
> disambiguate the catch-all -EIO value. While here, remove the duplicate
> INVALID_LP_INDEX and INVALID_REGISTER_VALUES hypervisor status entries.
> 
> Fixes: 3817854ba89201 ("hyperv: Log hypercall status codes as strings")
> Signed-off-by: Easwar Hariharan <easwar.hariharan@...ux.microsoft.com>

The idea looks fine. I will defer to Nuno.

Wei