linux-kernel - Re: [PATCH v8 00/13] introduce the Xen PV Calls frontend

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Message-ID: <8030da32-fe42-07a6-b74b-6e01d0be1743@oracle.com>
Date:   Tue, 31 Oct 2017 13:50:37 -0400
From:   Boris Ostrovsky <boris.ostrovsky@...cle.com>
To:     Stefano Stabellini <sstabellini@...nel.org>,
        xen-devel@...ts.xen.org
Cc:     linux-kernel@...r.kernel.org, jgross@...e.com
Subject: Re: [PATCH v8 00/13] introduce the Xen PV Calls frontend

On 10/30/2017 06:40 PM, Stefano Stabellini wrote:
> Hi all,
>
> this series introduces the frontend for the newly introduced PV Calls
> procotol.
>
> PV Calls is a paravirtualized protocol that allows the implementation of
> a set of POSIX functions in a different domain. The PV Calls frontend
> sends POSIX function calls to the backend, which implements them and
> returns a value to the frontend and acts on the function call.
>
> For more information about PV Calls, please read:
>
> https://xenbits.xen.org/docs/unstable/misc/pvcalls.html
>
> This patch series only implements the frontend driver. It doesn't
> attempt to redirect POSIX calls to it. The functions exported in
> pvcalls-front.h are meant to be used for that. A separate patch series
> will be sent to use them and hook them into the system.
>
>
> Changes in v8:
> - cast to uintptr_t instead of uint64_t
> - cast to uintptr_t before casting to struct sock_mapping*
> - check return values of copy_from/to_iter
>
>
> Stefano Stabellini (13):
>       xen/pvcalls: introduce the pvcalls xenbus frontend
>       xen/pvcalls: implement frontend disconnect
>       xen/pvcalls: connect to the backend
>       xen/pvcalls: implement socket command and handle events
>       xen/pvcalls: implement connect command
>       xen/pvcalls: implement bind command
>       xen/pvcalls: implement listen command
>       xen/pvcalls: implement accept command
>       xen/pvcalls: implement sendmsg
>       xen/pvcalls: implement recvmsg
>       xen/pvcalls: implement poll command
>       xen/pvcalls: implement release command
>       xen: introduce a Kconfig option to enable the pvcalls frontend
>
>  drivers/xen/Kconfig         |   11 +
>  drivers/xen/Makefile        |    1 +
>  drivers/xen/pvcalls-front.c | 1277 +++++++++++++++++++++++++++++++++++++++++++
>  drivers/xen/pvcalls-front.h |   28 +
>  4 files changed, 1317 insertions(+)
>  create mode 100644 drivers/xen/pvcalls-front.c
>  create mode 100644 drivers/xen/pvcalls-front.h


Applied to for-linus-4.15

-boris