Public bug reported:
To improve PCI performance on arm64 AWS instances, enable
arch_can_pci_mmap_wc() via the patch:
From: Clint Sbisa <[email protected]>
Subject: [PATCH] arm64: Enable PCI write-combine resources under sysfs
https://lore.kernel.org/linux-
pci/[email protected]/
** Affects: linux-aws (Ubuntu)
Importance: Undecided
Assignee: Kamal Mostafa (kamalmostafa)
Status: In Progress
** Affects: linux-aws (Ubuntu Bionic)
Importance: Undecided
Assignee: Kamal Mostafa (kamalmostafa)
Status: In Progress
** Affects: linux-aws (Ubuntu Focal)
Importance: Undecided
Assignee: Kamal Mostafa (kamalmostafa)
Status: In Progress
** Affects: linux-aws (Ubuntu Groovy)
Importance: Undecided
Assignee: Kamal Mostafa (kamalmostafa)
Status: In Progress
** Also affects: linux-aws (Ubuntu Groovy)
Importance: Undecided
Assignee: Kamal Mostafa (kamalmostafa)
Status: In Progress
** Also affects: linux-aws (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux-aws (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux-aws (Ubuntu Bionic)
Status: New => In Progress
** Changed in: linux-aws (Ubuntu Focal)
Status: New => In Progress
** Changed in: linux-aws (Ubuntu Bionic)
Assignee: (unassigned) => Kamal Mostafa (kamalmostafa)
** Changed in: linux-aws (Ubuntu Focal)
Assignee: (unassigned) => Kamal Mostafa (kamalmostafa)
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https://bugs.launchpad.net/bugs/1893817
Title:
aws: enable PCI write-combine for arm64
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