linux-kernel - Re: [PATCH v0] x86/hyperv: Move hv crash init after hypercall pg setup

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Message-ID: <ae52e158-d138-4344-ab0c-74b2fae56ddb@linux.microsoft.com>
Date: Tue, 3 Feb 2026 16:25:34 -0800
From: Easwar Hariharan <easwar.hariharan@...ux.microsoft.com>
To: Mukesh R <mrathor@...ux.microsoft.com>
Cc: linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org,
 easwar.hariharan@...ux.microsoft.com, wei.liu@...nel.org
Subject: Re: [PATCH v0] x86/hyperv: Move hv crash init after hypercall pg
 setup

On 2/3/2026 2:41 PM, Mukesh R wrote:
> Fix a regression where hv_root_crash_init() fails a hypercall because
> the hypercall page is not fully setup. The regression is caused by
> following commit:
> 
> commit c8ed0812646e ("x86/hyperv: Use direct call to hypercall-page")
> 

Is that the right commit? The named commit was merged in v6.18-rc1 and
hv_root_crash_init() was only merged in v6.19-rc1...

Thanks,
Easwar (he/him)