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Date: Wed, 15 Mar 2017 12:12:01 -0700 (PDT) From: Stefano Stabellini <sstabellini@...nel.org> To: Greg Kurz <groug@...d.org> cc: Stefano Stabellini <sstabellini@...nel.org>, linux-kernel@...r.kernel.org, konrad.wilk@...cle.com, boris.ostrovsky@...cle.com, jgross@...e.com, ericvh@...il.com, rminnich@...dia.gov, lucho@...kov.net, v9fs-developer@...ts.sourceforge.net Subject: Re: [PATCH v3 0/7] Xen transport for 9pfs frontend driver On Wed, 15 Mar 2017, Greg Kurz wrote: > On Mon, 13 Mar 2017 16:50:05 -0700 (PDT) > Stefano Stabellini <sstabellini@...nel.org> wrote: > > > Hi all, > > > > This patch series implements a new transport for 9pfs, aimed at Xen > > systems. > > > > Hi Stefano, > > For some reason, this series (and previous versions) only partially made it to > v9fs-developer@...ts.sourceforge.net. Please Cc: me if you're to send a v4. I'll do, sorry about that, I bet it's because I am not subscribed. However, the series is on the LKML too: http://marc.info/?l=linux-kernel&m=148944902331334&w=2 Thanks for the reviews! > -- > Greg > > > The transport is based on a traditional Xen frontend and backend drivers > > pair. This patch series implements the frontend, which typically runs in > > a regular unprivileged guest. > > > > I also sent a series that implements the backend in userspace in QEMU, > > which typically runs in Dom0 (but could also run in a another guest). > > > > The frontend complies to the Xen transport for 9pfs specification > > version 1, available here: > > > > http://xenbits.xen.org/gitweb/?p=xen.git;a=blob_plain;f=docs/misc/9pfs.markdown;hb=HEAD > > > > > > Changes in v3: > > - add full copyright header to trans_xen.c > > - rename ring->ring to ring->data > > - handle gnttab_grant_foreign_access errors > > - remove ring->bytes > > - wrap long lines > > - add reviewed-by > > > > Changes in v2: > > - use XEN_PAGE_SHIFT instead of PAGE_SHIFT > > - remove unnecessary initializations > > - fix error paths > > - fix memory allocations for 64K kernels > > - simplify p9_xen_create and p9_xen_close > > - use virt_XXX barriers > > - set status = REQ_STATUS_ERROR inside the p9_xen_response loop > > - add in-code comments > > > > > > Stefano Stabellini (7): > > xen: import new ring macros in ring.h > > xen: introduce the header file for the Xen 9pfs transport protocol > > xen/9pfs: introduce Xen 9pfs transport driver > > xen/9pfs: connect to the backend > > xen/9pfs: send requests to the backend > > xen/9pfs: receive responses > > xen/9pfs: build 9pfs Xen transport driver > > > > include/xen/interface/io/9pfs.h | 40 ++++ > > include/xen/interface/io/ring.h | 131 +++++++++++ > > net/9p/Kconfig | 8 + > > net/9p/Makefile | 4 + > > net/9p/trans_xen.c | 497 ++++++++++++++++++++++++++++++++++++++++ > > 5 files changed, 680 insertions(+) > > create mode 100644 include/xen/interface/io/9pfs.h > > create mode 100644 net/9p/trans_xen.c > > > > > > Cheers, > > > > Stefano > > > > >
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