From: Julien Grall <julien@xen.org>
To: Rahul Singh <rahul.singh@arm.com>, xen-devel@lists.xenproject.org
Cc: bertrand.marquis@arm.com,
Stefano Stabellini <sstabellini@kernel.org>,
Volodymyr Babchuk <Volodymyr_Babchuk@epam.com>
Subject: Re: [PATCH v1 09/14] xen/arm: Add cmdline boot option "pci=on"
Date: Thu, 19 Aug 2021 13:31:04 +0100 [thread overview]
Message-ID: <731afb80-bb68-0c66-4f0f-341a46118770@xen.org> (raw)
In-Reply-To: <e279636ea47b7d06056c2f70e76900b8d0b30ee9.1629366665.git.rahul.singh@arm.com>
Hi Rahul,
On 19/08/2021 13:02, Rahul Singh wrote:
> Add cmdline boot option "pci=on" to enable/disable the PCI init during
> boot.
I read this as "PCI" will be either disabled/enabled for the platform.
Whereas, I think it will be used to decide whether Xen discover PCI and
PCI passthrough is supported or not.
Can you also clarify why a user would want to select "pci=off"?
Cheers,
--
Julien Grall
next prev parent reply other threads:[~2021-08-19 12:31 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-19 12:02 [PATCH v1 00/14] PCI devices passthrough on Arm Rahul Singh
2021-08-19 12:02 ` [PATCH v1 01/14] xen/pci: Refactor MSI code that implements MSI functionality within XEN Rahul Singh
2021-08-19 12:18 ` Julien Grall
2021-08-19 14:16 ` Rahul Singh
2021-09-07 10:01 ` Julien Grall
2021-08-24 15:53 ` Jan Beulich
2021-08-31 12:31 ` Rahul Singh
2021-08-31 13:00 ` Jan Beulich
2021-08-26 13:23 ` Daniel P. Smith
2021-08-19 12:02 ` [PATCH v1 02/14] xen/pci: solve compilation error on ARM with HAS_PCI enabled Rahul Singh
2021-08-19 12:28 ` Julien Grall
2021-08-20 10:30 ` Rahul Singh
2021-08-20 11:37 ` Julien Grall
2021-08-20 11:55 ` Jan Beulich
2021-08-20 12:10 ` Julien Grall
2021-08-20 7:01 ` Jan Beulich
2021-08-20 11:21 ` Rahul Singh
2021-09-09 13:16 ` Julien Grall
2021-08-19 12:02 ` [PATCH v1 03/14] xen/pci: solve compilation error on ARM with ACPI && HAS_PCI Rahul Singh
2021-08-20 7:06 ` Jan Beulich
2021-08-20 11:41 ` Rahul Singh
2021-08-20 11:54 ` Jan Beulich
2021-09-09 1:11 ` Stefano Stabellini
2021-09-10 10:22 ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 04/14] xen/arm: Add support for PCI init to initialize the PCI driver Rahul Singh
2021-09-07 8:20 ` Julien Grall
2021-09-10 10:47 ` Rahul Singh
2021-09-09 1:16 ` Stefano Stabellini
2021-09-10 10:32 ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 05/14] xen/arm: PCI host bridge discovery within XEN on ARM Rahul Singh
2021-09-07 9:05 ` Julien Grall
2021-09-10 11:22 ` Rahul Singh
2021-09-10 11:53 ` Julien Grall
2021-09-09 22:54 ` Stefano Stabellini
2021-09-10 11:53 ` Rahul Singh
2021-09-13 14:52 ` Oleksandr Andrushchenko
2021-09-13 20:23 ` Stefano Stabellini
2021-09-14 4:35 ` Oleksandr Andrushchenko
2021-09-14 7:53 ` Oleksandr Andrushchenko
2021-08-19 12:02 ` [PATCH v1 06/14] xen/arm: Add support for PCI ecam operations Rahul Singh
2021-09-09 11:32 ` Julien Grall
2021-09-14 8:13 ` Rahul Singh
2021-09-09 23:21 ` Stefano Stabellini
2021-09-14 11:13 ` Rahul Singh
2021-09-14 23:06 ` Stefano Stabellini
2021-09-15 16:38 ` Rahul Singh
2021-09-15 20:45 ` Stefano Stabellini
2021-09-16 16:51 ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 07/14] xen/arm: Add support for Xilinx ZynqMP PCI host controller Rahul Singh
2021-09-09 23:34 ` Stefano Stabellini
2021-09-10 12:01 ` Rahul Singh
2021-09-13 14:46 ` Oleksandr Andrushchenko
2021-09-13 21:02 ` Stefano Stabellini
2021-09-14 4:31 ` Oleksandr Andrushchenko
2021-09-17 7:39 ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 08/14] xen:arm: Implement pci access functions Rahul Singh
2021-09-09 23:41 ` Stefano Stabellini
2021-09-14 16:05 ` Rahul Singh
2021-09-14 22:40 ` Stefano Stabellini
2021-09-15 7:54 ` Oleksandr Andrushchenko
2021-09-15 10:47 ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 09/14] xen/arm: Add cmdline boot option "pci=on" Rahul Singh
2021-08-19 12:09 ` Jan Beulich
2021-08-19 12:31 ` Julien Grall [this message]
2021-08-20 12:19 ` Rahul Singh
2021-08-20 14:34 ` Julien Grall
2021-08-20 14:37 ` Jan Beulich
2021-09-09 23:46 ` Stefano Stabellini
2021-09-09 23:48 ` Stefano Stabellini
2021-08-19 12:02 ` [PATCH v1 10/14] xen/arm: Discovering PCI devices and add the PCI devices in XEN Rahul Singh
2021-08-19 12:35 ` Julien Grall
2021-08-19 13:40 ` Jan Beulich
2021-08-20 13:05 ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 11/14] xen/arm: Enable the existing x86 virtual PCI support for ARM Rahul Singh
2021-08-24 16:09 ` Jan Beulich
2021-08-25 5:44 ` Oleksandr Andrushchenko
2021-08-25 6:35 ` Jan Beulich
2021-09-09 13:50 ` Julien Grall
2021-09-16 10:46 ` Rahul Singh
2021-09-10 0:26 ` Stefano Stabellini
2021-09-16 11:01 ` Rahul Singh
2021-09-16 20:26 ` Stefano Stabellini
2021-09-21 13:49 ` Rahul Singh
2021-09-21 21:38 ` Stefano Stabellini
2021-08-19 12:02 ` [PATCH v1 12/14] arm/libxl: Emulated PCI device tree node in libxl Rahul Singh
2021-08-19 13:00 ` Julien Grall
2021-08-20 16:03 ` Rahul Singh
2021-09-09 13:59 ` Julien Grall
2021-09-16 16:16 ` Rahul Singh
2021-09-10 0:51 ` Stefano Stabellini
2021-09-16 16:35 ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 13/14] xen/arm: Fixed error when PCI device is assigned to guest Rahul Singh
2021-08-19 12:12 ` Jan Beulich
2021-08-19 12:40 ` Julien Grall
2021-08-20 17:01 ` Rahul Singh
2021-08-19 12:02 ` [PATCH v1 14/14] xen/arm: Add linux,pci-domain property for hwdom if not available Rahul Singh
2021-09-10 1:00 ` Stefano Stabellini
2021-09-16 16:36 ` Rahul Singh
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