[pve-devel] applied-series: [PATCH-SERIES kernel] backport fix for kvm performance regression with Intel Emerald Rapids

[Fiona Ebner]

Am 19.12.24 um 15:29 schrieb Fiona Ebner:
> Stumbled across this in the news [0].
> 
> Built, installed on a (CPU type 'host') VM and started a nested VM for
> both 6.8 and 6.11 as a smoke test. Note I have an AMD TR 7960X, but
> AFIACT, the patch affects a general code path not specific to Intel
> CPUs.
> 
> [0]: https://www.phoronix.com/news/Linux-6.13-rc3-Released
> 
> 
> Fiona Ebner (2):
>   patches: kernel: switch to using full index for patch files
>   backport fix for kvm performance regression with Intel Emerald Rapids
> 
>  ...-accept-an-alternate-timestamp-strin.patch |   2 +-
>  ...d-Debian-wireless-regdb-certificates.patch |   2 +-
>  ...idge-keep-MAC-of-first-assigned-port.patch |   2 +-
>  ...ides-for-missing-ACS-capabilities-4..patch |   4 +-
>  ...-default-dynamic-halt-polling-growth.patch |   2 +-
>  ...de-unregister_netdevice-refcount-lea.patch |   2 +-
>  ...fortify-Do-not-cast-to-unsigned-char.patch |   2 +-
>  ...sk-out-PKRU-bit-in-xfeatures-if-vCPU.patch |   6 +-
>  ...allow-pass-through-on-broken-hardwar.patch |   2 +-
>  ...-Advertise-support-for-flush-by-ASID.patch |   2 +-
>  ...rove-userspace-warnings-for-missing-.patch |   2 +-
>  ...pect-msg_namelen-0-for-recvmsg-calls.patch |   2 +-
>  ...ix-pagecache-leak-when-do-writepages.patch |   2 +-
>  ...pu-pm-Don-t-use-OD-table-on-Arcturus.patch |   2 +-
>  ...UCE-iommu-intel-disable-DMAR-for-SKL.patch |   2 +-
>  ...t-EOPNOTSUPP-for-IOCB_NOWAIT-like-EA.patch |   2 +-
>  ...et-subreq-iov-iter-before-tail-clean.patch |   2 +-
>  ...r-virtualized-VMLOAD-VMSAVE-on-Zen4-.patch |   2 +-
>  ...UID.0xD-XSTATE-offsets-sizes-during-.patch | 165 ++++++++++++++++++
>  19 files changed, 186 insertions(+), 21 deletions(-)
>  create mode 100644 patches/kernel/0019-KVM-x86-Cache-CPUID.0xD-XSTATE-offsets-sizes-during-.patch
> 

For the record, this series was already applied in December by Thomas.