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From: Tim Deegan <tim@xen.org>
To: Roger Pau Monne <roger.pau@citrix.com>
Cc: George Dunlap <george.dunlap@eu.citrix.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Jan Beulich <jbeulich@suse.com>,
	xen-devel@lists.xenproject.org, boris.ostrovsky@oracle.com
Subject: Re: [PATCH v4 03/14] xen/x86: allow calling {shadow/hap}_set_allocation with the idle domain
Date: Thu, 1 Dec 2016 11:25:21 +0000	[thread overview]
Message-ID: <20161201112521.GA80405@deinos.phlegethon.org> (raw)
In-Reply-To: <20161130164950.43543-4-roger.pau@citrix.com>

At 16:49 +0000 on 30 Nov (1480524579), Roger Pau Monne wrote:
> ... and using the "preempted" parameter. Introduce a new helper that can
> be used from both hypercall or idle vcpu context (ie: during Dom0
> creation) in order to check if preemption is needed. If such preemption
> happens, the caller should then call process_pending_softirqs in order to
> drain the pending softirqs, and then call *_set_allocation again to continue
> with it's execution.
> 
> This allows us to call *_set_allocation() when building domain 0.
> 
> While there also document hypercall_preempt_check and add an assert to
> local_events_need_delivery in order to be sure it's not called by the idle
> domain, which doesn't receive any events (and that in turn
> hypercall_preempt_check is also not called by the idle domain).
> 
> Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
> Acked-by: George Dunlap <george.dunlap@citrix.com>

Acked-by: Tim Deegan <tim@xen.org>

Thanks,

Tim.

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  reply	other threads:[~2016-12-01 11:25 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-30 16:49 [PATCH v4 00/14] Initial PVHv2 Dom0 support Roger Pau Monne
2016-11-30 16:49 ` [PATCH v4 01/14] xen/x86: remove XENFEAT_hvm_pirqs for PVHv2 guests Roger Pau Monne
2016-12-08 16:21   ` Jan Beulich
2016-12-16 11:24     ` Roger Pau Monne
2016-11-30 16:49 ` [PATCH v4 02/14] xen/x86: fix return value of *_set_allocation functions Roger Pau Monne
2016-11-30 16:49 ` [PATCH v4 03/14] xen/x86: allow calling {shadow/hap}_set_allocation with the idle domain Roger Pau Monne
2016-12-01 11:25   ` Tim Deegan [this message]
2016-11-30 16:49 ` [PATCH v4 04/14] x86/paging: introduce paging_set_allocation Roger Pau Monne
2016-11-30 16:49 ` [PATCH v4 05/14] xen/x86: split the setup of Dom0 permissions to a function Roger Pau Monne
2016-11-30 16:49 ` [PATCH v4 06/14] x86/vtd: refuse to enable IOMMU if the PCI scan fails Roger Pau Monne
2016-12-01  0:29   ` Tian, Kevin
2016-11-30 16:49 ` [PATCH v4 07/14] x86/iommu: add IOMMU entries for p2m_mmio_direct pages Roger Pau Monne
2016-12-08 16:24   ` Jan Beulich
2016-12-16 14:01     ` Roger Pau Monne
2016-11-30 16:49 ` [PATCH v4 08/14] xen/x86: allow the emulated APICs to be enabled for the hardware domain Roger Pau Monne
2016-12-08 16:29   ` Jan Beulich
2016-11-30 16:49 ` [PATCH v4 09/14] xen/x86: split Dom0 build into PV and PVHv2 Roger Pau Monne
2016-12-09 16:07   ` Jan Beulich
2016-12-16 14:28     ` Roger Pau Monne
2016-12-16 14:45       ` Roger Pau Monne
2016-12-16 16:17         ` Jan Beulich
2016-12-16 17:57           ` Roger Pau Monne
2016-12-19  7:42             ` Jan Beulich
2016-12-16 15:28       ` Roger Pau Monne
2016-12-16 16:15         ` Jan Beulich
2016-12-16 16:18       ` Jan Beulich
2016-12-16 17:42         ` Roger Pau Monne
2016-12-19  7:41           ` Jan Beulich
2016-11-30 16:49 ` [PATCH v4 10/14] xen/x86: populate PVHv2 Dom0 physical memory map Roger Pau Monne
2016-12-09 16:48   ` Jan Beulich
2016-12-16 17:38     ` Roger Pau Monne
2016-12-19  7:48       ` Jan Beulich
2016-11-30 16:49 ` [PATCH v4 11/14] xen/x86: parse Dom0 kernel for PVHv2 Roger Pau Monne
2016-12-09 17:05   ` Jan Beulich
2016-12-20 17:34     ` Roger Pau Monne
2016-11-30 16:49 ` [PATCH v4 12/14] x86/PVHv2: fix dom0_max_vcpus so it's capped to 128 for PVHv2 Dom0 Roger Pau Monne
2016-12-09 17:09   ` Jan Beulich
2016-11-30 16:49 ` [PATCH v4 13/14] xen/x86: hack to setup PVHv2 Dom0 CPUs Roger Pau Monne
2016-11-30 16:49 ` [PATCH v4 14/14] xen/x86: setup PVHv2 Dom0 ACPI tables Roger Pau Monne
2016-12-12 13:56   ` Jan Beulich
2016-12-21 16:32     ` Roger Pau Monne
2016-12-21 17:04       ` Jan Beulich
2016-12-22 10:43         ` Roger Pau Monne
2016-12-22 11:03           ` Jan Beulich
2016-12-22 12:17             ` Roger Pau Monne
2016-12-22 16:17               ` Boris Ostrovsky
2016-12-22 16:24                 ` Jan Beulich
2016-12-22 16:44                   ` Roger Pau Monne
2016-12-22 18:19                     ` Boris Ostrovsky
2016-12-23 10:27                       ` Roger Pau Monne
2016-12-23 15:13                         ` Boris Ostrovsky
2016-12-23 15:31                           ` Konrad Rzeszutek Wilk
2016-12-23 15:35                             ` Boris Ostrovsky
2016-12-23 16:02                               ` Konrad Rzeszutek Wilk
2016-12-23 17:13                                 ` Boris Ostrovsky
2017-01-03 15:55                                   ` Roger Pau Monne
2017-01-03 19:13                                     ` Boris Ostrovsky
2016-12-23 15:21                         ` Konrad Rzeszutek Wilk
2017-01-03  7:53                       ` Jan Beulich

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