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Date:   Tue, 18 Apr 2023 18:34:48 +0000
From:   Wei Liu <wei.liu@kernel.org>
To:     broonie@kernel.org
Cc:     Long Li <longli@microsoft.com>,
        Michael Kelley <mikelley@microsoft.com>,
        Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
        "K. Y. Srinivasan" <kys@microsoft.com>,
        Haiyang Zhang <haiyangz@microsoft.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>,
        linux-hyperv@vger.kernel.org
Subject: Re: linux-next: build failure after merge of the hyperv tree
Message-ID: <ZD7iyCf2WdnTMurW@liuwe-devbox-debian-v2>
References: <20230418173157.92827-1-broonie@kernel.org>
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On Tue, Apr 18, 2023 at 06:31:57PM +0100, broonie@kernel.org wrote:
> Hi all,
> 
> After merging the hyperv tree, today's linux-next build (x86 allmodconfig)
> failed like this:
> 
> /tmp/next/build/drivers/hv/connection.c: In function 'vmbus_connect':
> /tmp/next/build/drivers/hv/connection.c:228:53: error: implicit
> declaration of function 'hv_alloc_hyperv_page'; did you mean 'hv_free_hyperv_page'? [-Werror=implicit-function-declaration]
>   228 |         vmbus_connection.monitor_pages[0] = (void *)hv_alloc_hyperv_page();
>       |                                                     ^~~~~~~~~~~~~~~~~~~~
>       |                                                     hv_free_hyperv_page
> /tmp/next/build/drivers/hv/connection.c:228:45: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
>   228 |         vmbus_connection.monitor_pages[0] = (void *)hv_alloc_hyperv_page();
>       |                                             ^
> /tmp/next/build/drivers/hv/connection.c:229:45: error: cast to pointer from integer of different size [-Werror=int-to-pointer-cast]
>   229 |         vmbus_connection.monitor_pages[1] = (void *)hv_alloc_hyperv_page();
>       |                                             ^
> cc1: all warnings being treated as errors
> 
> Caused by commit
> 
>   4dbdcfe1c5db80edca ("Drivers: hv: move panic report code from vmbus to hv early init code")
> 
> I will use the hyperv tree from yesterday instead.

This has been fixed by removing the problematic commit.

Thanks,
Wei.