From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Konrad Rzeszutek Wilk <konrad@darnok.org>
Cc: Ian Jackson <ian.jackson@eu.citrix.com>,
	Haozhong Zhang <haozhong.zhang@intel.com>,
	Xiao Guangrong <guangrong.xiao@linux.intel.com>,
	Wei Liu <wei.liu2@citrix.com>,
	xen-devel@lists.xen.org
Subject: Re: [RFC XEN PATCH 13/16] tools/libxl: add support to map host pmem device to guests
Date: Fri, 27 Jan 2017 17:09:16 -0500	[thread overview]
Message-ID: <20170127220916.GA5481@char.us.oracle.com> (raw)
In-Reply-To: <20170127220603.GI18581@localhost.localdomain>
..snip..
> > +    mfn = host_spa >> XC_PAGE_SHIFT;
> > +    gpfn = guest_spa >> XC_PAGE_SHIFT;
> > +    nr_gpfns = guest_size >> XC_PAGE_SHIFT;
> > +
> > +    switch ( st.st_mode & S_IFMT )
> > +    {
> > +    case S_IFBLK:
> > +        ret = add_pages(gc, domid, mfn, gpfn, nr_gpfns);
> 
> You will need to change the return value.
> > +        break;
> > +
> > +    case S_IFREG:
> > +        ret = add_file(gc, domid, fd, mfn, gpfn, nr_gpfns);
> 
> Ditto here.
Also should we close the fd descriptor if there are any errors?
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next prev parent reply	other threads:[~2017-01-27 22:09 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-10  0:32 [RFC XEN PATCH 00/16] Add vNVDIMM support to HVM domains Haozhong Zhang
2016-10-10  0:32 ` [RFC XEN PATCH 01/16] x86_64/mm: explicitly specify the location to place the frame table Haozhong Zhang
2016-12-09 21:35   ` Konrad Rzeszutek Wilk
2016-12-12  2:27     ` Haozhong Zhang
2016-12-12  8:25       ` Jan Beulich
2016-10-10  0:32 ` [RFC XEN PATCH 02/16] x86_64/mm: explicitly specify the location to place the M2P table Haozhong Zhang
2016-12-09 21:38   ` Konrad Rzeszutek Wilk
2016-12-12  2:31     ` Haozhong Zhang
2016-12-12  8:26       ` Jan Beulich
2016-12-12  8:35         ` Haozhong Zhang
2016-10-10  0:32 ` [RFC XEN PATCH 03/16] xen/x86: add a hypercall XENPF_pmem_add to report host pmem regions Haozhong Zhang
2016-10-11 19:13   ` Andrew Cooper
2016-12-09 22:02   ` Konrad Rzeszutek Wilk
2016-12-12  4:16     ` Haozhong Zhang
2016-12-12  8:30       ` Jan Beulich
2016-12-12  8:38         ` Haozhong Zhang
2016-12-12 14:44           ` Konrad Rzeszutek Wilk
2016-12-13  1:08             ` Haozhong Zhang
2016-12-22 11:58   ` Jan Beulich
2016-10-10  0:32 ` [RFC XEN PATCH 04/16] xen/x86: add XENMEM_populate_pmemmap to map host pmem pages to guest Haozhong Zhang
2016-12-09 22:22   ` Konrad Rzeszutek Wilk
2016-12-12  4:38     ` Haozhong Zhang
2016-12-22 12:19   ` Jan Beulich
2016-10-10  0:32 ` [RFC XEN PATCH 05/16] xen/x86: release pmem pages at domain destroy Haozhong Zhang
2016-12-09 22:27   ` Konrad Rzeszutek Wilk
2016-12-12  4:47     ` Haozhong Zhang
2016-12-22 12:22   ` Jan Beulich
2016-10-10  0:32 ` [RFC XEN PATCH 06/16] tools: reserve guest memory for ACPI from device model Haozhong Zhang
2017-01-27 20:44   ` Konrad Rzeszutek Wilk
2017-02-08  1:39     ` Haozhong Zhang
2017-02-08 14:31       ` Konrad Rzeszutek Wilk
2016-10-10  0:32 ` [RFC XEN PATCH 07/16] tools/libacpi: add callback acpi_ctxt.p2v to get a pointer from physical address Haozhong Zhang
2017-01-27 20:46   ` Konrad Rzeszutek Wilk
2017-02-08  1:42     ` Haozhong Zhang
2016-10-10  0:32 ` [RFC XEN PATCH 08/16] tools/libacpi: expose details of memory allocation callback Haozhong Zhang
2017-01-27 20:58   ` Konrad Rzeszutek Wilk
2017-02-08  2:12     ` Haozhong Zhang
2016-10-10  0:32 ` [RFC XEN PATCH 09/16] tools/libacpi: add callbacks to access XenStore Haozhong Zhang
2017-01-27 21:10   ` Konrad Rzeszutek Wilk
2017-02-08  2:19     ` Haozhong Zhang
2016-10-10  0:32 ` [RFC XEN PATCH 10/16] tools/libacpi: add a simple AML builder Haozhong Zhang
2017-01-27 21:19   ` Konrad Rzeszutek Wilk
2017-02-08  2:33     ` Haozhong Zhang
2016-10-10  0:32 ` [RFC XEN PATCH 11/16] tools/libacpi: load ACPI built by the device model Haozhong Zhang
2017-01-27 21:40   ` Konrad Rzeszutek Wilk
2017-02-08  5:38     ` Haozhong Zhang
2017-02-08 14:35       ` Konrad Rzeszutek Wilk
2016-10-10  0:32 ` [RFC XEN PATCH 12/16] tools/libxl: build qemu options from xl vNVDIMM configs Haozhong Zhang
2017-01-27 21:47   ` Konrad Rzeszutek Wilk
2017-02-08  5:42     ` Haozhong Zhang
2017-01-27 21:48   ` Konrad Rzeszutek Wilk
2017-02-08  5:47     ` Haozhong Zhang
2016-10-10  0:32 ` [RFC XEN PATCH 13/16] tools/libxl: add support to map host pmem device to guests Haozhong Zhang
2017-01-27 22:06   ` Konrad Rzeszutek Wilk
2017-01-27 22:09     ` Konrad Rzeszutek Wilk [this message]
2017-02-08  5:59     ` Haozhong Zhang
2017-02-08 14:37       ` Konrad Rzeszutek Wilk
2016-10-10  0:32 ` [RFC XEN PATCH 14/16] tools/libxl: add support to map files on pmem devices " Haozhong Zhang
2017-01-27 22:10   ` Konrad Rzeszutek Wilk
2017-02-08  6:03     ` Haozhong Zhang
2016-10-10  0:32 ` [RFC XEN PATCH 15/16] tools/libxl: handle return code of libxl__qmp_initializations() Haozhong Zhang
2017-01-27 22:11   ` Konrad Rzeszutek Wilk
2017-02-08  6:07     ` Haozhong Zhang
2017-02-08 10:31       ` Wei Liu
2017-02-09  2:47         ` Haozhong Zhang
2017-02-09 10:13           ` Wei Liu
2017-02-09 10:16             ` Wei Liu
2017-02-10  2:37             ` Haozhong Zhang
2017-02-10  8:11               ` Wei Liu
2017-02-10  8:23                 ` Wei Liu
2017-02-10  8:24                 ` Haozhong Zhang
2016-10-10  0:32 ` [RFC XEN PATCH 16/16] tools/libxl: initiate pmem mapping via qmp callback Haozhong Zhang
2017-01-27 22:13   ` Konrad Rzeszutek Wilk
2017-02-08  6:08     ` Haozhong Zhang
2016-10-24 16:37 ` [RFC XEN PATCH 00/16] Add vNVDIMM support to HVM domains Wei Liu
2016-10-25  6:55   ` Haozhong Zhang
2016-10-25 11:28     ` Wei Liu
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