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From: "Marek Marczykowski-Górecki" <marmarek@invisiblethingslab.com>
To: xen-devel@lists.xenproject.org
Cc: "Connor Davis" <davisc@ainfosec.com>,
	"Andrew Cooper" <andrew.cooper3@citrix.com>,
	"George Dunlap" <george.dunlap@citrix.com>,
	"Jan Beulich" <jbeulich@suse.com>,
	"Julien Grall" <julien@xen.org>,
	"Stefano Stabellini" <sstabellini@kernel.org>,
	"Wei Liu" <wl@xen.org>, "Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [PATCH v2 1/9] drivers/char: Add support for Xue USB3 debugger
Date: Fri, 8 Jul 2022 04:11:01 +0200	[thread overview]
Message-ID: <YseSNVXVXyLdwEVK@mail-itl> (raw)
In-Reply-To: <80051b9dc5c99532e18a10a941c3523945d77698.1657121519.git-series.marmarek@invisiblethingslab.com>

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On Wed, Jul 06, 2022 at 05:32:06PM +0200, Marek Marczykowski-Górecki wrote:
> diff --git a/xen/drivers/char/Kconfig b/xen/drivers/char/Kconfig
> index e5f7b1d8eb8a..d12b2205dafc 100644
> --- a/xen/drivers/char/Kconfig
> +++ b/xen/drivers/char/Kconfig
> @@ -74,3 +74,12 @@ config HAS_EHCI
>  	help
>  	  This selects the USB based EHCI debug port to be used as a UART. If
>  	  you have an x86 based system with USB, say Y.
> +
> +config HAS_XHCI
> +	bool "XHCI DbC UART driver"
> +	depends on X86
> +	help
> +	  This selects the USB based XHCI debug capability to be used as a UART.
> +	  Enabling this option makes Xen use extra ~2MB memory, even if XHCI UART

My math sucks here... 58 pages is 232KiB.

-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab

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  reply	other threads:[~2022-07-08  2:11 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-06 15:32 [PATCH v2 0/9] Add Xue - console over USB 3 Debug Capability Marek Marczykowski-Górecki
2022-07-06 15:32 ` [PATCH v2 1/9] drivers/char: Add support for Xue USB3 debugger Marek Marczykowski-Górecki
2022-07-08  2:11   ` Marek Marczykowski-Górecki [this message]
2022-07-12 15:59   ` Jan Beulich
2022-07-18 10:45     ` Marek Marczykowski-Górecki
2022-07-18 10:55       ` Jan Beulich
2022-07-12 16:06   ` Jan Beulich
2022-07-14  6:05   ` Jan Beulich
2022-07-16 22:40     ` Marek Marczykowski-Górecki
2022-07-14 11:58   ` Jan Beulich
2022-07-16 23:32     ` Marek Marczykowski-Górecki
2022-07-20 20:12     ` Marek Marczykowski-Górecki
2022-07-21 10:25       ` Jan Beulich
2022-07-06 15:32 ` [PATCH v2 2/9] xue: reset XHCI ports when initializing dbc Marek Marczykowski-Górecki
2022-07-13  7:19   ` Jan Beulich
2022-07-06 15:32 ` [PATCH v2 3/9] xue: add support for selecting specific xhci Marek Marczykowski-Górecki
2022-07-13  7:24   ` Jan Beulich
2022-07-06 15:32 ` [PATCH v2 4/9] console: support multiple serial console simultaneously Marek Marczykowski-Górecki
2022-07-13  9:39   ` Jan Beulich
2022-07-18 12:48     ` Marek Marczykowski-Górecki
2022-07-18 14:37       ` Jan Beulich
2022-07-06 15:32 ` [PATCH v2 5/9] IOMMU: add common API for device reserved memory Marek Marczykowski-Górecki
2022-07-14 10:17   ` Jan Beulich
2022-07-18 10:53     ` Marek Marczykowski-Górecki
2022-07-18 11:14       ` Jan Beulich
2022-07-18 11:03     ` Marek Marczykowski-Górecki
2022-07-18 11:15       ` Jan Beulich
2022-07-06 15:32 ` [PATCH v2 6/9] IOMMU/VT-d: wire common device reserved memory API Marek Marczykowski-Górecki
2022-07-06 15:32 ` [PATCH v2 7/9] IOMMU/AMD: " Marek Marczykowski-Górecki
2022-07-14 10:22   ` Jan Beulich
2022-07-18 11:35     ` Marek Marczykowski-Górecki
2022-07-18 11:44       ` Jan Beulich
2022-07-06 15:32 ` [PATCH v2 8/9] xue: mark DMA buffers as reserved for the device Marek Marczykowski-Górecki
2022-07-14 11:51   ` Jan Beulich
2022-07-18 13:15     ` Marek Marczykowski-Górecki
2022-07-20 20:17     ` Marek Marczykowski-Górecki
2022-07-21 10:30       ` Jan Beulich
2022-07-06 15:32 ` [PATCH v2 9/9] xue: allow driving the rest of XHCI by a domain while Xen uses DbC Marek Marczykowski-Górecki
2022-07-14 12:06   ` Jan Beulich
2022-07-18 12:54     ` Marek Marczykowski-Górecki
2022-07-18 15:07       ` Jan Beulich

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