APPLIED: [SRU][N:linux-intel][PATCH 0/1] Register TDX host key IDs to cgroup misc controller

[Thibault Ferrante]

On 02/04/2025 21:57, Thibault Ferrante wrote:
> BugLink: https://bugs.launchpad.net/bugs/2104946
> 
> [ Impact ]
> 
>   * Expose upper limit of TDs through cgroup v2 misc subsystem.
> 
> [ Fix ]
> 
>   * Backport upstream submission :
> https://lore.kernel.org/all/20250220170604.2279312-31-pbonzini@redhat.com/
> 
> [ Test Plan ]
> 
>   * Compiled and Tested on TDX supported hardware by:
>   - Enabling TDX support (procedure described in https://github.com/canonical/tdx)
>   - `sudo mount -t cgroup2 none mnt/`
>   - Check mnt/misc.capacity for a TDX entry
>   - Check mnt/misc.current for TDX usage when starting
> 
> [ Where problems could occur ]
> 
>   * Regression in confidential TDX subsystem
> 
> [ Other info ]
> 
>   - This has been specifically requested for noble:linux-intel, not other series (for now).
> 
> Zhiming Hu (1):
>    UBUNTU: SAUCE: KVM: TDX: Register TDX host key IDs to cgroup misc
>      controller
> 
>   arch/x86/include/asm/tdx.h  |  2 ++
>   arch/x86/kvm/vmx/tdx.c      | 15 +++++++++++++++
>   arch/x86/kvm/vmx/tdx.h      |  1 +
>   arch/x86/virt/vmx/tdx/tdx.c |  6 ++++++
>   include/linux/misc_cgroup.h |  4 ++++
>   kernel/cgroup/misc.c        |  5 +++++
>   6 files changed, 33 insertions(+)
> 

Applied to n:linux-intel, thanks!