Re: [PATCH v3 0/3] target/arm: Implement an IMPDEF pauth algorithm

[Richard Henderson]

Ping.

On 8/14/20 2:39 PM, Richard Henderson wrote:
> The architected pauth algorithm is quite slow without
> hardware support, and boot times for kernels that enable
> use of the feature have been significantly impacted.
> 
> Version 1 blurb at
>   https://lists.nongnu.org/archive/html/qemu-devel/2020-08/msg02172.html
> which contains larger study of the tradeoffs.
> 
> Version 2 changes:
>   * Use boolean properties, for qmp_query_cpu_model_expansion (drjones).
>   * Move XXH64 implementation to xxhash.h (ajb).
>   * Include a small cleanup to parsing the "sve" property
>     that I noticed along the way.
> 
> Version 3 changes:
>   * Swap order of patches (drjones).
>   * Add properties test case (drjones).
> 
> 
> r~
> 
> Richard Henderson (3):
>   target/arm: Implement an IMPDEF pauth algorithm
>   target/arm: Add cpu properties to control pauth
>   target/arm: Use object_property_add_bool for "sve" property
> 
>  include/qemu/xxhash.h          | 82 ++++++++++++++++++++++++++++++++++
>  target/arm/cpu.h               | 25 +++++++++--
>  target/arm/cpu.c               | 13 ++++++
>  target/arm/cpu64.c             | 64 ++++++++++++++++++--------
>  target/arm/monitor.c           |  1 +
>  target/arm/pauth_helper.c      | 41 ++++++++++++++---
>  tests/qtest/arm-cpu-features.c | 13 ++++++
>  7 files changed, 212 insertions(+), 27 deletions(-)
>