From: "Wieczorkiewicz, Pawel" <wipawel@amazon.de>
To: Julien Grall <julien.grall@arm.com>
Cc: "Tim Deegan" <tim@xen.org>,
"Stefano Stabellini" <sstabellini@kernel.org>,
"Wei Liu" <wl@xen.org>,
"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>,
"George Dunlap" <George.Dunlap@eu.citrix.com>,
"Andrew Cooper" <andrew.cooper3@citrix.com>,
"Ross Lagerwall" <ross.lagerwall@citrix.com>,
"Ian Jackson" <ian.jackson@eu.citrix.com>,
xen-devel <xen-devel@lists.xen.org>,
"Pohlack, Martin" <mpohlack@amazon.de>,
"Wieczorkiewicz, Pawel" <wipawel@amazon.de>,
"Jan Beulich" <jbeulich@suse.com>,
xen-devel <xen-devel@lists.xenproject.org>,
"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [Xen-devel] [PATCH 09/14] livepatch: Add per-function applied/reverted state tracking marker
Date: Thu, 22 Aug 2019 11:15:34 +0000 [thread overview]
Message-ID: <16A9D28C-8F6C-4358-85C9-98BB7BB5C90E@amazon.com> (raw)
In-Reply-To: <24f7f2f0-13f3-58e1-0891-921b5048d939@arm.com>
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On 22. Aug 2019, at 12:43, Julien Grall <julien.grall@arm.com<mailto:julien.grall@arm.com>> wrote:
Hi,
On 22/08/2019 11:20, Wieczorkiewicz, Pawel wrote:
..snip..
Cross-compiler are nowadays widely available. So build testing your changes in common code would be the minimum.
I wish it was that simple. Nevertheless, I will try to prepare an environment to perform such builds.
Cross-compiling the hypervisor is really easy ;).
1) Download the cross-compiler tarball (here one [1]) and uncompress it. You can also install the one provided by your distro.
2) Build Xen hypervisor. Here an example for arm64:
42sh> cd xen.git/xen
42sh> make XEN_TARGET_ARCH=arm64 CROSS_COMPILER=<triplet>-
In my case, I am using the Arm toolchain AArch64 GNU/Linux target (aarch64-linux-gnu). So the <triplet> would be aarch64-linux-gnu.
This is assuming you have the compilers binary in your PATH. If not, you can use give the full path:
CROSS_COMPILER=/opt/gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu/bin/aarch64-linux-gnu-
Awesome! That really works (especially thanks for the [1] link… finally some toolstack that works on my system).
One change was needed: s/CROSS_COMPILER/CROSS_COMPILE/g
Thanks!
Having this in a wiki would really help. Or have I missed it?
In this case, as you dropped the const from the prototype, you will need to do the same in the declaration.
Yes, but I see 2 options here:
- Enable the feature also for Arm (I prefer that, but will not be able to test that in nearest future)
I think some of the code can be made common. So we could possibly rely on x86 for that. Additionally, IIRC, Konrad has a setup on the cubietruck for testing livepatch.
Yes, I will do that.
- Keep Arm excluded and sprinkle code with #ifdef CONFIG_X86
Please no #ifdef CONFIG_X86 in the common code. If you don't plan to support Arm, then we should introduce a new Kconfig that will gate all those changes.
Ugh, you’re right. Removing all that from common code.
Cheers,
[1] https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads
--
Julien Grall
Best Regards,
Pawel Wieczorkiewicz
Amazon Development Center Germany GmbH
Krausenstr. 38
10117 Berlin
Geschaeftsfuehrung: Christian Schlaeger, Ralf Herbrich
Eingetragen am Amtsgericht Charlottenburg unter HRB 149173 B
Sitz: Berlin
Ust-ID: DE 289 237 879
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next prev parent reply other threads:[~2019-08-22 11:15 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-21 8:19 [Xen-devel] [PATCH 00/14] livepatch: new features and fixes Pawel Wieczorkiewicz
2019-08-21 8:19 ` [Xen-devel] [PATCH 01/14] livepatch: Always check hypervisor build ID upon hotpatch upload Pawel Wieczorkiewicz
2019-08-21 18:16 ` Konrad Rzeszutek Wilk
2019-08-21 8:19 ` [Xen-devel] [PATCH 02/14] livepatch: Allow to override inter-modules buildid dependency Pawel Wieczorkiewicz
2019-08-21 8:19 ` [Xen-devel] [PATCH 03/14] python: Add XC binding for Xen build ID Pawel Wieczorkiewicz
2019-08-21 8:19 ` [Xen-devel] [PATCH 04/14] livepatch: Export payload structure via livepatch_payload.h Pawel Wieczorkiewicz
2019-08-21 8:19 ` [Xen-devel] [PATCH 05/14] livepatch: Implement pre-|post- apply|revert hooks Pawel Wieczorkiewicz
2019-08-21 8:19 ` [Xen-devel] [PATCH 06/14] livepatch: Add support for apply|revert action replacement hooks Pawel Wieczorkiewicz
2019-08-21 18:31 ` Konrad Rzeszutek Wilk
2019-08-21 19:06 ` Wieczorkiewicz, Pawel
2019-08-26 14:30 ` Konrad Rzeszutek Wilk
2019-08-21 8:19 ` [Xen-devel] [PATCH 07/14] livepatch: Do not enforce ELF_LIVEPATCH_FUNC section presence Pawel Wieczorkiewicz
2019-08-21 8:19 ` [Xen-devel] [PATCH 08/14] livepatch: always print XENLOG_ERR information Pawel Wieczorkiewicz
2019-08-21 8:19 ` [Xen-devel] [PATCH 09/14] livepatch: Add per-function applied/reverted state tracking marker Pawel Wieczorkiewicz
2019-08-21 18:28 ` Konrad Rzeszutek Wilk
2019-08-21 19:00 ` Wieczorkiewicz, Pawel
2019-08-21 21:34 ` Julien Grall
2019-08-22 7:44 ` Wieczorkiewicz, Pawel
2019-08-22 10:07 ` Julien Grall
2019-08-22 10:20 ` Wieczorkiewicz, Pawel
2019-08-22 10:43 ` Julien Grall
2019-08-22 11:15 ` Wieczorkiewicz, Pawel [this message]
2019-08-22 15:02 ` Julien Grall
2019-08-22 10:29 ` Julien Grall
2019-08-22 11:02 ` Wieczorkiewicz, Pawel
2019-08-22 15:30 ` Julien Grall
2019-08-22 15:42 ` Wieczorkiewicz, Pawel
2019-08-21 8:19 ` [Xen-devel] [PATCH 10/14] livepatch: Add support for inline asm hotpatching expectations Pawel Wieczorkiewicz
2019-08-21 18:30 ` Konrad Rzeszutek Wilk
2019-08-21 19:02 ` Wieczorkiewicz, Pawel
2019-08-22 10:31 ` Julien Grall
2019-08-22 11:03 ` Wieczorkiewicz, Pawel
2019-08-21 8:19 ` [Xen-devel] [PATCH 11/14] livepatch: Add support for modules .modinfo section metadata Pawel Wieczorkiewicz
2019-08-21 8:19 ` [Xen-devel] [PATCH 12/14] livepatch: Handle arbitrary size names with the list operation Pawel Wieczorkiewicz
2019-08-21 8:19 ` [Xen-devel] [PATCH 13/14] livepatch: Add metadata runtime retrieval mechanism Pawel Wieczorkiewicz
2019-08-21 8:19 ` [Xen-devel] [PATCH 14/14] livepatch: Add python bindings for livepatch operations Pawel Wieczorkiewicz
2019-08-22 21:55 ` Marek Marczykowski-Górecki
2019-08-27 8:46 ` [Xen-devel] [PATCH v2 00/12] livepatch: new features and fixes Pawel Wieczorkiewicz
2019-08-27 8:46 ` [Xen-devel] [PATCH v2 01/12] livepatch: Always check hypervisor build ID upon hotpatch upload Pawel Wieczorkiewicz
2019-08-27 8:46 ` [Xen-devel] [PATCH v2 02/12] livepatch: Allow to override inter-modules buildid dependency Pawel Wieczorkiewicz
2019-08-27 8:46 ` [Xen-devel] [PATCH v2 03/12] livepatch: Export payload structure via livepatch_payload.h Pawel Wieczorkiewicz
2019-08-27 8:46 ` [Xen-devel] [PATCH v2 04/12] livepatch: Implement pre-|post- apply|revert hooks Pawel Wieczorkiewicz
2019-08-27 8:46 ` [Xen-devel] [PATCH v2 05/12] livepatch: Add support for apply|revert action replacement hooks Pawel Wieczorkiewicz
2019-08-27 16:58 ` Konrad Rzeszutek Wilk
2019-08-28 7:37 ` Wieczorkiewicz, Pawel
2019-08-27 8:46 ` [Xen-devel] [PATCH v2 06/12] livepatch: Do not enforce ELF_LIVEPATCH_FUNC section presence Pawel Wieczorkiewicz
2019-08-27 8:46 ` [Xen-devel] [PATCH v2 07/12] livepatch: Add per-function applied/reverted state tracking marker Pawel Wieczorkiewicz
2019-08-27 8:46 ` [Xen-devel] [PATCH v2 08/12] livepatch: Add support for inline asm hotpatching expectations Pawel Wieczorkiewicz
2019-08-29 14:34 ` Konrad Rzeszutek Wilk
2019-08-29 15:29 ` Wieczorkiewicz, Pawel
2019-08-29 15:58 ` Konrad Rzeszutek Wilk
2019-08-29 16:16 ` Wieczorkiewicz, Pawel
2019-08-29 17:49 ` Konrad Rzeszutek Wilk
2019-08-29 19:07 ` Wieczorkiewicz, Pawel
2019-08-29 20:48 ` Konrad Rzeszutek Wilk
2019-09-05 18:05 ` Konrad Rzeszutek Wilk
2019-08-27 8:46 ` [Xen-devel] [PATCH v2 09/12] livepatch: Add support for modules .modinfo section metadata Pawel Wieczorkiewicz
2019-08-27 8:46 ` [Xen-devel] [PATCH v2 10/12] livepatch: Handle arbitrary size names with the list operation Pawel Wieczorkiewicz
2019-08-27 8:46 ` [Xen-devel] [PATCH v2 11/12] livepatch: Add metadata runtime retrieval mechanism Pawel Wieczorkiewicz
2019-08-29 20:48 ` Konrad Rzeszutek Wilk
2019-08-27 8:46 ` [Xen-devel] [PATCH v2 12/12] livepatch: Add python bindings for livepatch operations Pawel Wieczorkiewicz
2019-08-28 13:21 ` Marek Marczykowski-Górecki
2019-08-29 19:23 ` [Xen-devel] [PATCH v2 00/12] livepatch: new features and fixes Konrad Rzeszutek Wilk
2019-09-05 19:13 ` Konrad Rzeszutek Wilk
2019-09-06 22:52 ` Julien Grall
2019-09-06 22:42 ` Julien Grall
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