From: Wei Liu <wei.liu2@citrix.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: "Stefano Stabellini" <sstabellini@kernel.org>,
"Wei Liu" <wei.liu2@citrix.com>,
"George Dunlap" <George.Dunlap@eu.citrix.com>,
"Andrew Cooper" <andrew.cooper3@citrix.com>,
"Ian Jackson" <ian.jackson@eu.citrix.com>,
"Tim Deegan" <tim@xen.org>,
"Ross Lagerwall" <ross.lagerwall@citrix.com>,
"Jan Beulich" <jbeulich@suse.com>,
xen-devel@lists.xenproject.org,
"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [PATCH] xsplice: Don't perform multiple operations on same payload once work is scheduled.
Date: Thu, 28 Apr 2016 21:50:04 +0100 [thread overview]
Message-ID: <20160428205004.GB14217@citrix.com> (raw)
In-Reply-To: <1461867412-3635-1-git-send-email-konrad.wilk@oracle.com>
On Thu, Apr 28, 2016 at 02:16:52PM -0400, Konrad Rzeszutek Wilk wrote:
> Currently it is possible to:
>
> 1) xc_xsplice_apply()
> \-> xsplice_action
> spin_lock(payload_lock)
> \- schedule_work()
> spin_unlock(payload_lock);
>
> 2) xc_xsplice_unload()
> \-> xsplice_action
> spin_lock(payload_lock)
> free_payload(data);
> spin_unlock(payload_lock);
>
> .. all CPUs are quisced.
"quiesced"
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next prev parent reply other threads:[~2016-04-28 20:50 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-27 19:26 [PATCH v10] xSplice v1 design and implementation Konrad Rzeszutek Wilk
2016-04-27 19:26 ` [PATCH v10 01/24] xsplice: Design document Konrad Rzeszutek Wilk
2016-04-27 19:26 ` [PATCH v10 02/24] xen/xsplice: Hypervisor implementation of XEN_XSPLICE_op Konrad Rzeszutek Wilk
2016-04-28 11:08 ` Jan Beulich
2016-04-27 19:27 ` [PATCH v10 03/24] libxc: Implementation of XEN_XSPLICE_op in libxc Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 04/24] xen-xsplice: Tool to manipulate xsplice payloads Konrad Rzeszutek Wilk
2016-05-01 13:34 ` George Dunlap
2016-05-01 18:08 ` Wei Liu
2016-05-02 0:50 ` Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 05/24] arm/x86: Use struct virtual_region to do bug, symbol, and (x86) exception tables lookup Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 06/24] arm/x86/vmap: Add vmalloc_xen and vm_init_type Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 07/24] xsplice: Add helper elf routines Konrad Rzeszutek Wilk
2016-04-28 11:17 ` Jan Beulich
2016-04-27 19:27 ` [PATCH v10 08/24] xsplice: Implement payload loading Konrad Rzeszutek Wilk
2016-04-28 11:21 ` Jan Beulich
2016-04-27 19:27 ` [PATCH v10 09/24] xsplice: Implement support for applying/reverting/replacing patches Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 10/24] x86/xen_hello_world.xsplice: Test payload for patching 'xen_extra_version' Konrad Rzeszutek Wilk
2016-04-28 11:25 ` Jan Beulich
2016-04-27 19:27 ` [PATCH v10 11/24] xsplice, symbols: Implement symbol name resolution on address Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 12/24] xsplice, symbols: Implement fast symbol names -> virtual addresses lookup Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 13/24] x86, xsplice: Print payload's symbol name and payload name in backtraces Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 14/24] xsplice: Add support for bug frames Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 15/24] xsplice: Add support for exception tables Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 16/24] xsplice: Add support for alternatives Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 17/24] build_id: Provide ld-embedded build-ids Konrad Rzeszutek Wilk
2016-04-29 16:38 ` Jan Beulich
2016-04-29 17:23 ` Konrad Rzeszutek Wilk
2016-05-02 6:02 ` Jan Beulich
2016-05-02 11:05 ` Wei Liu
2016-05-02 11:13 ` Jan Beulich
2016-05-02 11:19 ` Wei Liu
2016-05-02 11:26 ` Jan Beulich
2016-04-27 19:27 ` [PATCH v10 18/24] xsplice: Print build_id in keyhandler and on bootup Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 19/24] XENVER_build_id/libxc: Provide ld-embedded build-id Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 20/24] libxl: info: Display build_id of the hypervisor Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 21/24] xsplice: Stacking build-id dependency checking Konrad Rzeszutek Wilk
2016-04-28 11:33 ` Jan Beulich
2016-05-02 6:37 ` Jan Beulich
2016-05-02 13:06 ` Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 22/24] xsplice/xen_replace_world: Test-case for XSPLICE_ACTION_REPLACE Konrad Rzeszutek Wilk
2016-04-28 11:35 ` Jan Beulich
2016-04-27 19:27 ` [PATCH v10 23/24] xsplice: Prevent duplicate payloads from being loaded Konrad Rzeszutek Wilk
2016-04-27 19:27 ` [PATCH v10 24/24] MAINTAINERS/xsplice: Add myself and Ross as the maintainers Konrad Rzeszutek Wilk
2016-04-28 11:47 ` [PATCH v10] xSplice v1 design and implementation Wei Liu
2016-04-28 18:16 ` [PATCH] xsplice: Don't perform multiple operations on same payload once work is scheduled Konrad Rzeszutek Wilk
2016-04-28 20:50 ` Wei Liu [this message]
2016-04-28 23:23 ` Andrew Cooper
2016-04-29 1:52 ` Konrad Rzeszutek Wilk
2016-04-29 2:15 ` Konrad Rzeszutek Wilk
2016-04-29 7:35 ` Jan Beulich
2016-04-29 7:49 ` Konrad Rzeszutek Wilk
2016-04-29 8:02 ` Jan Beulich
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