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
next 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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