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From: Xuesong Chen <xuesong.chen@linux.alibaba.com>
To: catalin.marinas@arm.com, lorenzo.pieralisi@arm.com,
	james.morse@arm.com, will@kernel.org, rafael@kernel.org,
	tony.luck@intel.com, bp@alien8.de, mingo@kernel.org,
	bhelgaas@google.com
Cc: linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, xuesong.chen@linux.alibaba.com
Subject: [PATCH v3 0/2] PCI MCFG consolidation and APEI resource filterin
Date: Tue, 19 Oct 2021 12:49:16 +0800	[thread overview]
Message-ID: <YW5OTMz+x8zrsqkF@Dennis-MBP.local> (raw)

Hello All,

The idea of this patch set is very strainforward, it's somehow a refactor
of the original codes to share some ones that they should do. Based on that,
we can resolve the MCFG address access issue in APEI module on x86 in a 
command way instead of the current arch-dependent one, while this issue also
does happen on ARM64 platform.

The logic of the series is very clear(IMO it's even time-wasting to explain that):

Patch #1: Escalating the 'pci_mmcfg_list' and 'pci_mmcfg_region' to the
pci.[c,h] which will shared by all the arches. A common sense, in some degree.

Patch #2: Since the 'pci_mmcfg_list' now can be shared across all arches,
the arch-specific fix method can be replaced by the new solution naturally.

Now the v3 patch has been finalized, can we move forward to the next step? -
either give the concerns/objections or pick it up.

Xuesong Chen (2):
  PCI: MCFG: Consolidate the separate PCI MCFG table entry list
  ACPI: APEI: Filter the PCI MCFG address with an arch-agnostic method

 arch/x86/include/asm/pci_x86.h | 17 +---------------
 arch/x86/pci/mmconfig-shared.c | 30 ----------------------------
 drivers/acpi/apei/apei-base.c  | 45 ++++++++++++++++++++++++++++--------------
 drivers/acpi/pci_mcfg.c        | 34 ++++++++++++-------------------
 drivers/pci/pci.c              |  2 ++
 include/linux/pci.h            | 17 ++++++++++++++++
 6 files changed, 63 insertions(+), 82 deletions(-)

-- 
1.8.3.1


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             reply	other threads:[~2021-10-19  4:50 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-19  4:49 Xuesong Chen [this message]
2021-10-19 15:12 ` [PATCH v3 0/2] PCI MCFG consolidation and APEI resource filterin Bjorn Helgaas
2021-10-20  2:28   ` Xuesong Chen
2021-10-27  8:10 ` [PATCH v4 0/4] PCI MCFG consolidation and APEI resource filtering Xuesong Chen
2021-10-27  8:12   ` [PATCH v4 1/4] PCI: MCFG: Consolidate the separate PCI MCFG table entry list Xuesong Chen
2021-10-27  8:12   ` [PATCH v4 2/4] ACPI: APEI: Filter the PCI MCFG address with an arch-agnostic method Xuesong Chen
2021-10-27  8:13   ` [PATCH v4 3/4] ACPI: APEI: Reserve the MCFG address for quirk ECAM implementation Xuesong Chen
2021-10-27  8:13   ` [PATCH v4 4/4] PCI: MCFG: Add the MCFG entry parse log message Xuesong Chen
2021-11-01  2:18   ` [PATCH v4 0/4] PCI MCFG consolidation and APEI resource filtering Xuesong Chen
2021-11-01  9:36     ` Will Deacon
2021-11-01 12:12       ` Xuesong Chen
2021-11-01 12:22         ` Borislav Petkov
2021-11-01 13:32           ` Xuesong Chen
2021-11-01 13:55             ` Borislav Petkov

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