From 3377e0e983cb7c6b9c6011ea59c6efa37360ada7 Mon Sep 17 00:00:00 2001 From: Bo Chen Date: Fri, 10 Feb 2023 15:57:57 -0800 Subject: [PATCH] docs: hotplug: Fix link to booting with uefi on aarch64 Signed-off-by: Bo Chen --- docs/hotplug.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/hotplug.md b/docs/hotplug.md index ca94f6e9b..730e7f2d8 100644 --- a/docs/hotplug.md +++ b/docs/hotplug.md @@ -4,7 +4,7 @@ Currently Cloud Hypervisor supports hot plugging of CPUs devices (x86 only), PCI ## Kernel support -For hotplug on Cloud Hypervisor ACPI GED support is needed. This can either be achieved by turning on `CONFIG_ACPI_REDUCED_HARDWARE_ONLY` +For hotplug on Cloud Hypervisor ACPI GED support is needed. This can either be achieved by turning on `CONFIG_ACPI_REDUCED_HARDWARE_ONLY` or by using this kernel patch (available in 5.5-rc1 and later): https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/drivers/acpi/Makefile?id=ac36d37e943635fc072e9d4f47e40a48fbcdb3f0 ## CPU Hot Plug @@ -159,7 +159,7 @@ The same API can also be used to reduce the desired RAM for a VM. It is importan Extra PCI devices can be added and removed from a running `cloud-hypervisor` instance. This is controlled by making a HTTP API request to the VMM to ask for the additional device to be added, or for the existing device to be removed. -Note: On AArch64 platform, PCI device hotplug can only be achieved using ACPI. Please refer to the [documentation](arm64.md#uefi-booting) for more information. +Note: On AArch64 platform, PCI device hotplug can only be achieved using ACPI. Please refer to the [documentation](uefi.md#building-uefi-firmware-for-aarch64) for more information. To use PCI device hotplug start the VM with the HTTP server.