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From: Shannon Zhao <shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Julien Grall <julien.grall-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>
Cc: Shannon Zhao
	<zhaoshenglong-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>,
	Konrad Rzeszutek Wilk
	<konrad.wilk-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>,
	mark.rutland-5wv7dgnIgG8@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	hangaohuai-hv44wF8Li93QT0dZR+AlfA@public.gmane.org,
	linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	ian.campbell-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org,
	ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
	catalin.marinas-5wv7dgnIgG8@public.gmane.org,
	will.deacon-5wv7dgnIgG8@public.gmane.org,
	peter.huangpeng-hv44wF8Li93QT0dZR+AlfA@public.gmane.org,
	xen-devel-GuqFBffKawuEi8DpZVb4nw@public.gmane.org,
	stefano.stabellini-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org,
	christoffer.dall-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [Xen-devel] [PATCH 06/13] Xen: ARM: Add support for mapping amba device mmio
Date: Wed, 18 Nov 2015 21:15:30 +0800	[thread overview]
Message-ID: <564C79F2.6050708@linaro.org> (raw)
In-Reply-To: <564C6EBF.7010105-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>



On 2015/11/18 20:27, Julien Grall wrote:
> On 18/11/15 06:03, Shannon Zhao wrote:
>>>
>>> What about the removal of a bus device? No need to handle that?
>>>
>> I have thought about removal before. I think there is little(or no)
>> chance for AMBA and platform bus devices to be removed. It's not like
>> the PCI devices which will be hot-unplug.
>> Maybe I'm not right. If so, it's fine to add a case to handle the removal.
>
> What about the platform device passthrough case?
>
No, it will add the platform passthrough device at booting step while 
it's only removed when Dom0 shutdowns unless it supports platform device 
hot-unplug.

> In anycase, if the AMBA platform provides a removal method, there is
> harmless to implement it.
>
Sure, as you said, it's harmless to add.

Thanks,
-- 
Shannon

  parent reply	other threads:[~2015-11-18 13:15 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-17  9:56 [PATCH 00/13] Add ACPI support for Xen Dom0 on ARM64 shannon.zhao-QSEj5FYQhm4dnm+yROfE0A
     [not found] ` <1447754231-7772-1-git-send-email-shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-11-17  9:56   ` [PATCH 01/13] Xen : Hide UART used by Xen shannon.zhao-QSEj5FYQhm4dnm+yROfE0A
     [not found]     ` <1447754231-7772-2-git-send-email-shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-11-20 16:07       ` Stefano Stabellini
2015-11-17  9:57   ` [PATCH 02/13] xen/grant-table: Move xlated_setup_gnttab_pages to common place shannon.zhao-QSEj5FYQhm4dnm+yROfE0A
     [not found]     ` <1447754231-7772-3-git-send-email-shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-11-17 16:02       ` [Xen-devel] " David Vrabel
     [not found]         ` <564B4F80.2020402-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>
2015-11-18  4:32           ` Shannon Zhao
     [not found]             ` <564BFF6C.3070208-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2015-11-18 10:38               ` David Vrabel
2015-11-18 12:25       ` Julien Grall
     [not found]         ` <564C6E4C.9080003-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>
2015-11-18 13:34           ` Shannon Zhao
2015-11-17  9:57   ` [PATCH 03/13] arm/xen: Use xlated_setup_gnttab_pages to setup grant table shannon.zhao-QSEj5FYQhm4dnm+yROfE0A
     [not found]     ` <1447754231-7772-4-git-send-email-shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-11-20 16:19       ` Stefano Stabellini
2015-11-17  9:57   ` [PATCH 04/13] xen: memory : Add new XENMAPSPACE type XENMAPSPACE_dev_mmio shannon.zhao-QSEj5FYQhm4dnm+yROfE0A
     [not found]     ` <1447754231-7772-5-git-send-email-shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-11-17 11:16       ` Ard Biesheuvel
2015-11-17  9:57   ` [PATCH 05/13] Xen: ARM: Add support for mapping platform device mmio shannon.zhao-QSEj5FYQhm4dnm+yROfE0A
2015-11-17 14:38     ` Konrad Rzeszutek Wilk
     [not found]       ` <20151117143822.GH3003-he5eyhs8q0BAdwtm4QZOy9BPR1lH4CV8@public.gmane.org>
2015-11-18  5:48         ` [Xen-devel] " Shannon Zhao
     [not found]     ` <1447754231-7772-6-git-send-email-shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-11-17 16:32       ` David Vrabel
     [not found]         ` <564B56B2.4030901-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>
2015-11-18  6:11           ` Shannon Zhao
2015-11-20 16:30       ` Stefano Stabellini
2015-11-17  9:57   ` [PATCH 06/13] Xen: ARM: Add support for mapping amba " shannon.zhao-QSEj5FYQhm4dnm+yROfE0A
2015-11-17 14:40     ` Konrad Rzeszutek Wilk
     [not found]       ` <20151117144040.GI3003-he5eyhs8q0BAdwtm4QZOy9BPR1lH4CV8@public.gmane.org>
2015-11-18  6:03         ` [Xen-devel] " Shannon Zhao
     [not found]           ` <564C14CA.9080601-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2015-11-18 12:27             ` Julien Grall
     [not found]               ` <564C6EBF.7010105-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>
2015-11-18 13:15                 ` Shannon Zhao [this message]
2015-11-17 16:36     ` David Vrabel
     [not found]     ` <1447754231-7772-7-git-send-email-shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-11-20 16:39       ` Stefano Stabellini
2015-11-17  9:57   ` [PATCH 07/13] ARM: Xen: Document UEFI support on Xen ARM virtual platforms shannon.zhao-QSEj5FYQhm4dnm+yROfE0A
     [not found]     ` <1447754231-7772-8-git-send-email-shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-11-17 16:46       ` [Xen-devel] " David Vrabel
     [not found]         ` <564B59F3.2060801-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>
2015-11-18  6:33           ` Shannon Zhao
2015-11-20 16:42           ` Stefano Stabellini
2015-11-17 20:44       ` Rob Herring
2015-11-18  6:24         ` Shannon Zhao
2015-11-17  9:57   ` [PATCH 08/13] Xen: EFI: Parse DT parameters for Xen specific UEFI shannon.zhao-QSEj5FYQhm4dnm+yROfE0A
     [not found]     ` <1447754231-7772-9-git-send-email-shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-11-17 11:25       ` Ard Biesheuvel
     [not found]         ` <CAKv+Gu98L_dQYVhvGQG=d9Uga-x3mJ=4oxtQqvgU-D3DvcrwHg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-11-17 11:37           ` Mark Rutland
2015-11-17 12:17             ` Ard Biesheuvel
     [not found]               ` <CAKv+Gu-hjj0Mh3vUv86Y5Mk7STKP+ykBD_MXGcQWH1quWJ1jMA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-11-18  6:26                 ` Shannon Zhao
2015-11-20 17:04       ` Stefano Stabellini
2015-11-17  9:57   ` [PATCH 09/13] ARM: Xen: Initialize Xen specific UEFI runtime services shannon.zhao-QSEj5FYQhm4dnm+yROfE0A
     [not found]     ` <1447754231-7772-10-git-send-email-shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-11-17 11:28       ` Ard Biesheuvel
2015-11-17 12:17         ` Shannon Zhao
2015-11-20 16:57       ` Stefano Stabellini
2015-11-17  9:57   ` [PATCH 10/13] ARM64: ACPI: Check if it runs on Xen to enable or disable ACPI shannon.zhao-QSEj5FYQhm4dnm+yROfE0A
     [not found]     ` <1447754231-7772-11-git-send-email-shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-11-20 17:20       ` Stefano Stabellini
2015-11-17  9:57   ` [PATCH 11/13] xen/hvm/params: Add a new dilivery type for event-channel in HVM_PARAM_CALLBACK_IRQ shannon.zhao-QSEj5FYQhm4dnm+yROfE0A
     [not found]     ` <1447754231-7772-12-git-send-email-shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-11-20 17:07       ` Stefano Stabellini
     [not found]         ` <alpine.DEB.2.02.1511201706070.1107-7Z66fg9igcxYtxbxJUhB2Dgeux46jI+i@public.gmane.org>
2015-11-20 17:22           ` [Xen-devel] " Andrew Cooper
     [not found]             ` <564F56C9.8060007-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>
2015-11-20 17:32               ` Stefano Stabellini
2015-11-17  9:57   ` [PATCH 12/13] arm/xen: Get event-channel irq through HVM_PARAM when booting with ACPI shannon.zhao-QSEj5FYQhm4dnm+yROfE0A
     [not found]     ` <1447754231-7772-13-git-send-email-shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-11-20 17:11       ` Stefano Stabellini
2015-11-24  3:49         ` Shannon Zhao
2015-11-17  9:57   ` [PATCH 13/13] ARM: XEN: Move xen_early_init() before efi_init() shannon.zhao-QSEj5FYQhm4dnm+yROfE0A
     [not found]     ` <1447754231-7772-14-git-send-email-shannon.zhao-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2015-11-20 17:30       ` Stefano Stabellini
2015-11-24  3:50         ` Shannon Zhao

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