Re: git: 76887e84be97 - main - cpuset: increase userland maximum size to 1024

From: Corvin Köhne <corvink_at_FreeBSD.org>
Date: Tue, 09 May 2023 06:59:28 UTC 
On Mon, 2023-05-08 at 18:26 +0000, Ed Maste wrote:
> The branch main has been updated by emaste:
> 
> URL:
> https://cgit.FreeBSD.org/src/commit/?id=76887e84be975698b14699d7d0dfb157d73e9990
> 
> commit 76887e84be975698b14699d7d0dfb157d73e9990
> Author:     Ed Maste <emaste@FreeBSD.org>
> AuthorDate: 2023-05-02 20:57:12 +0000
> Commit:     Ed Maste <emaste@FreeBSD.org>
> CommitDate: 2023-05-08 18:25:15 +0000
> 
>     cpuset: increase userland maximum size to 1024
>     
>     Hardware with more than 256 CPU cores is now available and will
> become
>     increasingly common.  Bump CPU_MAXSIZE (used for userland
> cpuset_t
>     sizing) to 1024 to define the ABI for FreeBSD 14.
>     
>     PR:             269572, 271213 [exp-run]
>     Reviewed by:    mjg, jhb
>     Relnotes:       yes
>     Sponsored by:   The FreeBSD Foundation
>     Differential Revision: https://reviews.freebsd.org/D39941
> ---
>  sys/sys/_cpuset.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sys/sys/_cpuset.h b/sys/sys/_cpuset.h
> index b75ee595da3c..676f9855f384 100644
> --- a/sys/sys/_cpuset.h
> +++ b/sys/sys/_cpuset.h
> @@ -40,7 +40,7 @@
>  #define        CPU_SETSIZE     MAXCPU
>  #endif
>  
> -#define        CPU_MAXSIZE     256
> +#define        CPU_MAXSIZE     1024
>  
>  #ifndef        CPU_SETSIZE
>  #define        CPU_SETSIZE     CPU_MAXSIZE

Hi Ed,

this somehow breaks bhyve on my system. It immediately exits with
"vm_run error -1" on startup.


-- 
Kind regards,
Corvin