linux-kernel - [PATCH 0/1] x86/pci: Skip early E820 check for ECAM region

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Message-Id: <20240417204012.215030-1-helgaas@kernel.org>
Date: Wed, 17 Apr 2024 15:40:11 -0500
From: Bjorn Helgaas <helgaas@...nel.org>
To: linux-pci@...r.kernel.org
Cc: Mateusz Kaduk <mateusz.kaduk@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Tj <linux@....tj>,
	Andy Shevchenko <andy.shevchenko@...il.com>,
	Hans de Goede <hdegoede@...hat.com>,
	x86@...nel.org,
	linux-kernel@...r.kernel.org,
	Bjorn Helgaas <bhelgaas@...gle.com>
Subject: [PATCH 0/1] x86/pci: Skip early E820 check for ECAM region

From: Bjorn Helgaas <bhelgaas@...gle.com>

This is a regression fix for
https://bugzilla.kernel.org/show_bug.cgi?id=218444,
"Lenovo Legion 9i Audio, TrackPad, Battery not detected"

Sorry that I failed to get this report onto the mailing list and regression
list earlier.

Reporters are on bcc unless they provided public email addresses.

Bjorn Helgaas (1):
  x86/pci: Skip early E820 check for ECAM region

 arch/x86/pci/mmconfig-shared.c | 35 +++++++++++++++++++++++++++-------
 1 file changed, 28 insertions(+), 7 deletions(-)

-- 
2.34.1

#regzbot report: https://bugzilla.kernel.org/show_bug.cgi?id=218444
#regzbot title: Lenovo Legion 9i Audio, TrackPad, Battery not detected
#regzbot introduced: 07eab0901ede ("efi/x86: Remove EfiMemoryMappedIO from E820 map")