linux-kernel - RE: [PATCH v2] [hv] storvsc: Payload buffer incorrectly sized for 32 bit kernels.

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Message-ID: <DM5PR03MB249079E798A20B5833D60ADCA08C0@DM5PR03MB2490.namprd03.prod.outlook.com>
Date:   Wed, 30 Nov 2016 06:17:26 +0000
From:   KY Srinivasan <kys@...rosoft.com>
To:     "Martin K. Petersen" <martin.petersen@...cle.com>,
        Cathy Avery <cavery@...hat.com>
CC:     Haiyang Zhang <haiyangz@...rosoft.com>,
        "jejb@...ux.vnet.ibm.com" <jejb@...ux.vnet.ibm.com>,
        "devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>
Subject: RE: [PATCH v2] [hv] storvsc: Payload buffer incorrectly sized for 32
 bit kernels.



> -----Original Message-----
> From: Martin K. Petersen [mailto:martin.petersen@...cle.com]
> Sent: Tuesday, November 29, 2016 8:58 AM
> To: Cathy Avery <cavery@...hat.com>
> Cc: KY Srinivasan <kys@...rosoft.com>; Haiyang Zhang
> <haiyangz@...rosoft.com>; jejb@...ux.vnet.ibm.com;
> martin.petersen@...cle.com; devel@...uxdriverproject.org; linux-
> kernel@...r.kernel.org; linux-scsi@...r.kernel.org
> Subject: Re: [PATCH v2] [hv] storvsc: Payload buffer incorrectly sized for 32
> bit kernels.
> 
> >>>>> "Cathy" == Cathy Avery <cavery@...hat.com> writes:
> 
> Cathy> On a 32 bit kernel sizeof(void *) is not 64 bits as hv_mpb_array
> Cathy> requires. Also the buffer needs to be cleared or the upper bytes
> Cathy> will contain junk.
> 
> K.Y.: Please review!

Done.

K. Y
> 
> --
> Martin K. Petersen	Oracle Linux Engineering