From: Konrad Rzeszutek Wilk <konrad@darnok.org>
To: Jan Beulich <jbeulich@suse.com>
Cc: sstabellini@kernel.org, andrew.cooper3@citrix.com,
mpohlack@amazon.com, ross.lagerwall@citrix.com,
julien.grall@arm.com, xen-devel@lists.xenproject.org,
sasha.levin@oracle.com
Subject: Re: [PATCH v8.1] xSplice v1 design and implementation.
Date: Thu, 14 Apr 2016 20:55:27 -0400 [thread overview]
Message-ID: <20160415005524.GA22080@localhost.localdomain> (raw)
In-Reply-To: <570FC28A02000078000E6776@prv-mh.provo.novell.com>
On Thu, Apr 14, 2016 at 09:17:14AM -0600, Jan Beulich wrote:
> >>> Andrew Cooper <andrew.cooper3@citrix.com> 04/14/16 5:14 PM >>>
> >On 14/04/16 15:26, Konrad Rzeszutek Wilk wrote:
> >> @@ -312,8 +307,8 @@ struct xsplice_patch_func {
> >> };
> >> </pre>
> >>
> >> -The size of the structure is 64 bytes or 52 bytes if compiled under 32-bit
> >> -hypervisors.
> >> +The size of the structure is 64 bytes on 64-bit hypervisors. It will be
> >> +52 on 32-bit hypervisors.
> >
> >I would go further an explicitly declare this API unstable, as patches
> >must be built against an exact hypervisor source. This also gives us
> >leaway in the future.
It will present a problem to the xsplice-tools.git which are outside
the tree. Right now they have their own header file (which mirrors this
one). But if we make it unstable and start mucking around then folks
using the tool would need to pass parameters for 'what version' is
this.
I would rather not have this happen - and now that we do not need
the #ifdef BITS_PER_LONG we can also remove the __XEN__ conditional.
Either way, this is something that can be done later.
>
> Which it effectively is, now being (iirc) inside a __XEN__ conditional.
>
> Jan
>
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next prev parent reply other threads:[~2016-04-15 0:55 UTC|newest]
Thread overview: 126+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-13 22:01 [PATCH v8.1] xSplice v1 design and implementation Konrad Rzeszutek Wilk
2016-04-13 22:01 ` [PATCH v8.1 01/27] Revert "libxc/libxl/python/xenstat/ocaml: Use new XEN_VERSION hypercall" Konrad Rzeszutek Wilk
2016-04-13 22:01 ` [PATCH v8.1 02/27] Revert "HYPERCALL_version_op. New hypercall mirroring XENVER_ but sane." Konrad Rzeszutek Wilk
2016-04-14 16:14 ` Jan Beulich
2016-04-13 22:01 ` [PATCH v8.1 03/27] xsplice: Design document Konrad Rzeszutek Wilk
2016-04-13 22:01 ` [PATCH v8.1 04/27] xen/xsplice: Hypervisor implementation of XEN_XSPLICE_op Konrad Rzeszutek Wilk
2016-04-14 16:36 ` Jan Beulich
2016-04-15 2:28 ` Konrad Rzeszutek Wilk
2016-04-17 8:05 ` Jan Beulich
2016-04-18 7:48 ` Konrad Rzeszutek Wilk
2016-04-18 16:33 ` Jan Beulich
2016-04-19 10:14 ` Konrad Rzeszutek Wilk
2016-04-13 22:01 ` [PATCH v8.1 05/27] libxc: Implementation of XEN_XSPLICE_op in libxc Konrad Rzeszutek Wilk
2016-04-13 22:01 ` [PATCH v8.1 06/27] xen-xsplice: Tool to manipulate xsplice payloads Konrad Rzeszutek Wilk
2016-04-13 22:01 ` [PATCH v8.1 07/27] arm/x86: Use struct virtual_region to do bug, symbol, and (x86) exception tables lookup Konrad Rzeszutek Wilk
2016-04-14 16:50 ` Jan Beulich
2016-04-13 22:01 ` [PATCH v8.1 08/27] arm/x86/vmap: Add vmalloc_xen, vfree_xen and vm_init_type Konrad Rzeszutek Wilk
2016-04-17 20:17 ` Jan Beulich
2016-04-13 22:01 ` [PATCH v8.1 09/27] x86/mm: Introduce modify_xen_mappings() Konrad Rzeszutek Wilk
2016-04-14 4:07 ` Jan Beulich
2016-04-14 13:34 ` Konrad Rzeszutek Wilk
2016-04-13 22:01 ` [PATCH v8.1 10/27] xsplice: Add helper elf routines Konrad Rzeszutek Wilk
2016-04-17 20:55 ` Jan Beulich
2016-04-18 5:53 ` Konrad Rzeszutek Wilk
2016-04-18 6:23 ` Jan Beulich
2016-04-20 16:07 ` Konrad Rzeszutek Wilk
2016-04-20 16:59 ` Jan Beulich
2016-04-13 22:01 ` [PATCH v8.1 11/27] xsplice: Implement payload loading Konrad Rzeszutek Wilk
2016-04-18 6:16 ` Jan Beulich
2016-04-20 15:59 ` Konrad Rzeszutek Wilk
2016-04-20 17:05 ` Jan Beulich
2016-04-20 17:36 ` Konrad Rzeszutek Wilk
2016-04-21 6:41 ` Jan Beulich
2016-04-21 15:15 ` Konrad Rzeszutek Wilk
2016-04-21 15:36 ` Jan Beulich
2016-04-21 16:47 ` Konrad Rzeszutek Wilk
2016-04-22 7:40 ` Jan Beulich
2016-04-13 22:01 ` [PATCH v8.1 12/27] xsplice: Implement support for applying/reverting/replacing patches Konrad Rzeszutek Wilk
2016-04-19 6:27 ` Jan Beulich
2016-04-21 0:28 ` Konrad Rzeszutek Wilk
2016-04-21 6:44 ` Jan Beulich
2016-04-21 20:27 ` Konrad Rzeszutek Wilk
2016-04-22 7:44 ` Jan Beulich
2016-04-22 10:51 ` Konrad Rzeszutek Wilk
2016-04-22 17:26 ` Konrad Rzeszutek Wilk
2016-04-25 7:55 ` Jan Beulich
2016-04-13 22:01 ` [PATCH v8.1 13/27] x86/xen_hello_world.xsplice: Test payload for patching 'xen_extra_version' Konrad Rzeszutek Wilk
2016-04-19 17:40 ` Jan Beulich
2016-04-20 16:10 ` Konrad Rzeszutek Wilk
2016-04-20 17:06 ` Jan Beulich
2016-04-13 22:01 ` [PATCH v8.1 14/27] xsplice, symbols: Implement symbol name resolution on address Konrad Rzeszutek Wilk
2016-04-19 19:31 ` Jan Beulich
2016-04-20 12:55 ` Ross Lagerwall
2016-04-21 0:26 ` Konrad Rzeszutek Wilk
2016-04-21 6:46 ` Jan Beulich
[not found] ` <CACJDEmrucgYZpCDv3EAkDJUOtdcP9P2T=Vine1o2pzUmwJDY1w@mail.gmail.com>
[not found] ` <CACJDEmrzieYh6__MHJH_okoZPk+RA56PuQKv-oid0j1t1po1oQ@mail.gmail.com>
[not found] ` <CACJDEmrdi3sTZjGowkvGP67-_DH3+TLvArC8qZfArsyPb6fpuA@mail.gmail.com>
[not found] ` <CACJDEmrQ6onv-xqYOi3nekioCSASb4c1eZHJ-rzMxU3Wa7SXTQ@mail.gmail.com>
2016-04-21 13:56 ` Konrad Rzeszutek Wilk
2016-04-21 14:25 ` Jan Beulich
2016-04-22 7:17 ` Ross Lagerwall
2016-04-22 7:51 ` Jan Beulich
2016-04-22 8:45 ` Ross Lagerwall
2016-04-22 10:08 ` Jan Beulich
2016-04-22 10:28 ` Konrad Rzeszutek Wilk
2016-04-22 10:50 ` Jan Beulich
2016-04-22 11:08 ` Konrad Rzeszutek Wilk
2016-04-22 11:18 ` Jan Beulich
2016-04-24 21:41 ` Konrad Rzeszutek Wilk
2016-04-25 8:02 ` Jan Beulich
2016-04-22 11:13 ` Ross Lagerwall
2016-04-22 11:24 ` Jan Beulich
2016-04-22 21:10 ` Konrad Rzeszutek Wilk
2016-04-25 6:41 ` Ross Lagerwall
2016-04-25 8:15 ` Jan Beulich
2016-04-22 14:17 ` Konrad Rzeszutek Wilk
2016-04-13 22:01 ` [PATCH v8.1 15/27] xsplice, symbols: Implement fast symbol names -> virtual addresses lookup Konrad Rzeszutek Wilk
2016-04-19 19:52 ` Jan Beulich
2016-04-22 15:21 ` Konrad Rzeszutek Wilk
2016-04-25 8:38 ` Jan Beulich
2016-04-25 14:12 ` Konrad Rzeszutek Wilk
2016-04-13 22:01 ` [PATCH v8.1 16/27] x86, xsplice: Print payload's symbol name and payload name in backtraces Konrad Rzeszutek Wilk
2016-04-19 20:09 ` Jan Beulich
2016-04-13 22:01 ` [PATCH v8.1 17/27] xsplice: Add support for bug frames Konrad Rzeszutek Wilk
2016-04-19 20:17 ` Jan Beulich
2016-04-21 0:29 ` Konrad Rzeszutek Wilk
2016-04-21 6:49 ` Jan Beulich
2016-04-22 10:10 ` Konrad Rzeszutek Wilk
2016-04-22 10:28 ` Jan Beulich
2016-04-22 10:54 ` Konrad Rzeszutek Wilk
2016-04-22 10:58 ` Jan Beulich
2016-04-22 11:10 ` Konrad Rzeszutek Wilk
2016-04-13 22:01 ` [PATCH v8.1 18/27] xsplice: Add support for exception tables Konrad Rzeszutek Wilk
2016-04-19 20:31 ` Jan Beulich
2016-04-13 22:02 ` [PATCH v8.1 19/27] xsplice: Add support for alternatives Konrad Rzeszutek Wilk
2016-04-20 6:28 ` Jan Beulich
2016-04-21 0:30 ` Konrad Rzeszutek Wilk
2016-04-21 6:55 ` Jan Beulich
2016-04-21 0:31 ` Konrad Rzeszutek Wilk
2016-04-21 6:56 ` Jan Beulich
2016-04-22 16:06 ` Konrad Rzeszutek Wilk
2016-04-13 22:02 ` [PATCH v8.1 20/27] build_id: Provide ld-embedded build-ids Konrad Rzeszutek Wilk
2016-04-20 7:14 ` Jan Beulich
2016-04-21 0:33 ` Konrad Rzeszutek Wilk
2016-04-21 6:59 ` Jan Beulich
2016-04-21 20:30 ` Konrad Rzeszutek Wilk
2016-04-22 16:16 ` Konrad Rzeszutek Wilk
2016-04-13 22:02 ` [PATCH v8.1 21/27] xsplice: Print build_id in keyhandler and on bootup Konrad Rzeszutek Wilk
2016-04-13 22:02 ` [PATCH v8.1 22/27] XENVER_build_id/libxc: Provide ld-embedded build-id Konrad Rzeszutek Wilk
2016-04-14 15:03 ` Wei Liu
2016-04-14 15:04 ` Daniel De Graaf
2016-04-20 7:19 ` Jan Beulich
2016-04-13 22:02 ` [PATCH v8.1 23/27] libxl: info: Display build_id of the hypervisor Konrad Rzeszutek Wilk
2016-04-14 15:06 ` Wei Liu
2016-04-13 22:02 ` [PATCH v8.1 24/27] xsplice: Stacking build-id dependency checking Konrad Rzeszutek Wilk
2016-04-20 7:49 ` Jan Beulich
2016-04-22 10:46 ` Konrad Rzeszutek Wilk
2016-04-22 10:55 ` Jan Beulich
2016-04-13 22:02 ` [PATCH v8.1 25/27] xsplice/xen_replace_world: Test-case for XSPLICE_ACTION_REPLACE Konrad Rzeszutek Wilk
2016-04-20 11:12 ` Jan Beulich
2016-04-13 22:02 ` [PATCH v8.1 26/27] xsplice: Prevent duplicate payloads from being loaded Konrad Rzeszutek Wilk
2016-04-20 11:16 ` Jan Beulich
2016-04-13 22:02 ` [PATCH v8.1 27/27] MAINTAINERS/xsplice: Add myself and Ross as the maintainers Konrad Rzeszutek Wilk
2016-04-14 14:26 ` [PATCH v8.1] xSplice v1 design and implementation Konrad Rzeszutek Wilk
2016-04-14 14:29 ` Julien Grall
2016-04-14 15:12 ` Andrew Cooper
2016-04-14 15:17 ` Jan Beulich
2016-04-15 0:55 ` Konrad Rzeszutek Wilk [this message]
2016-04-17 8:00 ` Jan Beulich
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