linux-kernel - RE: [PATCH v3 06/11] hv: hyperv.h: Introduce some hvpfn helper functions

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Message-ID: <MW2PR2101MB1052BC61D5EAE1009E8D81FFD7250@MW2PR2101MB1052.namprd21.prod.outlook.com>
Date:   Sat, 12 Sep 2020 19:33:52 +0000
From:   Michael Kelley <mikelley@...rosoft.com>
To:     Boqun Feng <boqun.feng@...il.com>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
CC:     KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        "will@...nel.org" <will@...nel.org>,
        "ardb@...nel.org" <ardb@...nel.org>,
        "arnd@...db.de" <arnd@...db.de>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "Mark.Rutland@....com" <Mark.Rutland@....com>,
        "maz@...nel.org" <maz@...nel.org>
Subject: RE: [PATCH v3 06/11] hv: hyperv.h: Introduce some hvpfn helper
 functions

From: Boqun Feng <boqun.feng@...il.com> Sent: Thursday, September 10, 2020 7:35 AM
> 
> When a guest communicate with the hypervisor, it must use HV_HYP_PAGE to
> calculate PFN, so introduce a few hvpfn helper functions as the
> counterpart of the page helper functions. This is the preparation for
> supporting guest whose PAGE_SIZE is not 4k.
> 
> Signed-off-by: Boqun Feng <boqun.feng@...il.com>
> ---
>  include/linux/hyperv.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 

Reviewed-by: Michael Kelley <mikelley@...rosoft.com>