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From: Bjorn Helgaas <helgaas@kernel.org>
To: linux-pci@vger.kernel.org
Cc: "Alex Williamson" <alex.williamson@redhat.com>,
	"Christian König" <ckoenig.leichtzumerken@gmail.com>,
	"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
	linux-kernel@vger.kernel.org,
	"Bjorn Helgaas" <bhelgaas@google.com>
Subject: [PATCH v2 0/2] PCI: Avoid capability searches in save/restore state
Date: Fri, 14 Feb 2025 18:02:59 -0600	[thread overview]
Message-ID: <20250215000301.175097-1-helgaas@kernel.org> (raw)

From: Bjorn Helgaas <bhelgaas@google.com>

Reduce the number of times we search config space for PCI capabilities when
saving and restoring device state.

Bjorn Helgaas (2):
  PCI: Avoid pointless capability searches
  PCI: Cache offset of Resizable BAR capability

 drivers/pci/pci.c       | 36 +++++++++++++++++++++---------------
 drivers/pci/pci.h       |  1 +
 drivers/pci/pcie/aspm.c | 15 ++++++++-------
 drivers/pci/probe.c     |  1 +
 include/linux/pci.h     |  1 +
 5 files changed, 32 insertions(+), 22 deletions(-)

v2 changes:
  - Drop VC change that broke saving state (thanks, Ilpo)

v1: https://lore.kernel.org/r/20250208050329.1092214-1-helgaas@kernel.org

-- 
2.34.1


             reply	other threads:[~2025-02-15  0:03 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-15  0:02 Bjorn Helgaas [this message]
2025-02-15  0:03 ` [PATCH v2 1/2] PCI: Avoid pointless capability searches Bjorn Helgaas
2025-02-15  7:34   ` Ilpo Järvinen
2025-02-21  2:20   ` Kohei Enju
2025-03-04 14:12   ` kernel test robot
2025-03-04 15:34     ` Bjorn Helgaas
2025-02-15  0:03 ` [PATCH v2 2/2] PCI: Cache offset of Resizable BAR capability Bjorn Helgaas
2025-02-18 22:46 ` [PATCH v2 0/2] PCI: Avoid capability searches in save/restore state Bjorn Helgaas

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