Re: [pve-devel] [PATCH pve-kernel] add patch: vhost: bump max_mem_regions to 509

[Thomas Lamprecht <t.lamprecht@proxmox.com>]

On 15.11.20 19:36, Alexandre Derumier wrote:
> Currently, default value is 64, so qemu is limited to 64 hotplug dimm
> 
> original patch from 2015
> https://patchwork.kernel.org/project/kvm/patch/1438180163-275465-3-git-send-email-imammedo@redhat.com/
> 
> We have discusted about this in 2016 (At this time some optimisations patches were missing)
> https://lists.proxmox.com/pipermail/pve-devel/2016-December/024502.html
> 

What is wrong with setting it as module option?
https://lists.proxmox.com/pipermail/pve-devel/2016-December/024508.html

> Also, this fix this bugzilla
> https://bugzilla.proxmox.com/show_bug.cgi?id=1426
> 
> Wolfgang proposed to have explicit dimm module management, it could be great,
> but for now this patch is fixed the current implemlentation.
> 
> 

maybe Stefan gets around to make this all a nicer approach?

https://lists.proxmox.com/pipermail/pve-devel/2016-December/024519.html

> 
> Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
> ---
>  ...08-vhost-bump-max_mem_regions-to-509.patch | 32 +++++++++++++++++++
>  submodules/ubuntu-focal                       |  2 +-
>  2 files changed, 33 insertions(+), 1 deletion(-)
>  create mode 100644 patches/kernel/0008-vhost-bump-max_mem_regions-to-509.patch
snip
> diff --git a/submodules/ubuntu-focal b/submodules/ubuntu-focal
> index fd386a6..721ac24 160000
> --- a/submodules/ubuntu-focal
> +++ b/submodules/ubuntu-focal
> @@ -1 +1 @@
> -Subproject commit fd386a64a1ed3f2f047318508ebd733f56a4fab2
> +Subproject commit 721ac248403a4c7ea98c416fc28f22c0bfbbb63d
> 

above hunk for the submodule shouldn't be included in the patch, it refers to
a git object which is not in ubuntus tree, probably only local in your working
tree.