linux-kernel - Re: [PATCH 2/3] scsi: storvsc: Use vmbus_requestor to generate transaction IDs for VMBus hardening

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Message-ID: <20200626133510.5ognamqpz3klnfhk@liuwe-devbox-debian-v2>
Date:   Fri, 26 Jun 2020 13:35:10 +0000
From:   Wei Liu <wei.liu@...nel.org>
To:     Andres Beltran <lkmlabelt@...il.com>
Cc:     kys@...rosoft.com, haiyangz@...rosoft.com, sthemmin@...rosoft.com,
        wei.liu@...nel.org, linux-hyperv@...r.kernel.org,
        linux-kernel@...r.kernel.org, mikelley@...rosoft.com,
        parri.andrea@...il.com,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org
Subject: Re: [PATCH 2/3] scsi: storvsc: Use vmbus_requestor to generate
 transaction IDs for VMBus hardening

On Thu, Jun 25, 2020 at 11:37:22AM -0400, Andres Beltran wrote:
>  	 * If the number of CPUs is artificially restricted, such as
> @@ -760,14 +768,22 @@ static void  handle_multichannel_storage(struct hv_device *device, int max_chns)
>  	vstor_packet->flags = REQUEST_COMPLETION_FLAG;
>  	vstor_packet->sub_channel_count = num_sc;
>  
> +	rqst_id = vmbus_next_request_id(&device->channel->requestor, (u64)request);

You can cast request to unsigned long to fix the warnings on 32bit.

Wei.