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micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="en7IelQQO5RTp+SB" Content-Disposition: inline In-Reply-To: <80051b9dc5c99532e18a10a941c3523945d77698.1657121519.git-series.marmarek@invisiblethingslab.com> --en7IelQQO5RTp+SB Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Date: Fri, 8 Jul 2022 04:11:01 +0200 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: xen-devel@lists.xenproject.org Cc: Connor Davis , Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall , Stefano Stabellini , Wei Liu , Roger Pau =?utf-8?B?TW9ubsOp?= Subject: Re: [PATCH v2 1/9] drivers/char: Add support for Xue USB3 debugger On Wed, Jul 06, 2022 at 05:32:06PM +0200, Marek Marczykowski-G=C3=B3recki w= rote: > 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 UA= RT My math sucks here... 58 pages is 232KiB. --=20 Best Regards, Marek Marczykowski-G=C3=B3recki Invisible Things Lab --en7IelQQO5RTp+SB Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhrpukzGPukRmQqkK24/THMrX1ywFAmLHkjUACgkQ24/THMrX 1yzhGwf9HiTmRjBJ4SHproDDDg+2QMARzDTcqfXes1yTylDUxoTeBi9R1nJdSYIn ZV9ZBbt2xU+oW0xkEwewbeBE+Z1xpGGAy0N7z9Eof+mxrC2oX4sIrodSw7lCXioi JXifBKe2WMPKDC8IaOsVaIacR4/O+KMChfLj3RisNxPdIvWPSXJ2Gqx35kXWVvjV m18bkGtg9JJtnFCekfIVd0NRWv/vP+/j9z1SoDnWisUp5/nz1G7ZE4bN+mWkW/Nm 3YxBbNmPZK6Pk6ikc0iLrj3vcHSCMe8W/MFLcclC0FJ9Xw4F+gX5GOiTdMCKtiCx 43gbuVLwGfIE9tdX81p1R4dzU2Z2wA== =rlMM -----END PGP SIGNATURE----- --en7IelQQO5RTp+SB--