Re: [PATCH v2 0/5] x86: Switch X86_FEATURE_XENPV to cpu_feature_enabled() use

[Juergen Gross <jgross@suse.com>]

[-- Attachment #1.1.1: Type: text/plain, Size: 1265 bytes --]

On 04.11.22 08:26, Juergen Gross wrote:
> Make especially kernels without CONFIG_XEN_PV more efficient by
> using cpu_feature_enabled(X86_FEATURE_XENPV) instead of boot_cpu_has()
> and friends.
> 
> Changes in V2:
> - new patch 4
> 
> Juergen Gross (5):
>    x86: add X86_FEATURE_XENPV to disabled-features.h
>    x86: remove unneeded 64-bit dependency in arch_enter_from_user_mode()
>    x86: drop 32-bit Xen PV guest code in update_task_stack()
>    x86: remove X86_FEATURE_XENPV usage in setup_cpu_entry_area()
>    x86: switch to cpu_feature_enabled() for X86_FEATURE_XENPV
> 
>   arch/x86/include/asm/disabled-features.h | 8 +++++++-
>   arch/x86/include/asm/entry-common.h      | 4 ++--
>   arch/x86/include/asm/switch_to.h         | 7 ++-----
>   arch/x86/kernel/cpu/amd.c                | 2 +-
>   arch/x86/kernel/cpu/bugs.c               | 2 +-
>   arch/x86/kernel/cpu/hygon.c              | 2 +-
>   arch/x86/kernel/process_64.c             | 4 ++--
>   arch/x86/kernel/topology.c               | 2 +-
>   arch/x86/mm/cpu_entry_area.c             | 8 ++------
>   9 files changed, 19 insertions(+), 20 deletions(-)
> 

The patches have all an "Ack" by Dave. I think this series should go in
via the tip tree, no?


Juergen

[-- Attachment #1.1.2: OpenPGP public key --]
[-- Type: application/pgp-keys, Size: 3149 bytes --]

[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 495 bytes --]