[PATCH v2 0/2] powerpc/pseries: Fixes for lparstat boot reports

Shrikanth Hegde sshegde at linux.ibm.com
Mon Apr 29 15:55:00 AEST 2024



On 4/12/24 2:50 PM, Shrikanth Hegde wrote:
> Currently lparstat reports which shows since LPAR boot are wrong for
> some fields. There is a need for storing the PIC(Pool Idle Count) at
> boot for accurate reporting. PATCH 1 Does that.
> 
> While there, it was noticed that hcall return value is long and both
> h_get_ppp and h_get_mpp could set the uninitialized values if the hcall
> fails. PATCH 2 does that.
> 
> v1 -> v2:
> - Nathan pointed out the issues surrounding the h_pic call. Addressed
> those.
> - Added a pr_debug if h_pic fails during lparcfg_init
> - If h_pic fails while reading lparcfg, related files are not exported.
> - Added failure checks for h_get_mpp, h_get_ppp calls as well.
> 
> v1: https://lore.kernel.org/all/20240405101340.149171-1-sshegde@linux.ibm.com/
> 
> Shrikanth Hegde (2):
>   powerpc/pseries: Add pool idle time at LPAR boot
>   powerpc/pseries: Add fail related checks for h_get_mpp and h_get_ppp
> 
>  arch/powerpc/include/asm/hvcall.h        |  2 +-
>  arch/powerpc/platforms/pseries/lpar.c    |  6 ++--
>  arch/powerpc/platforms/pseries/lparcfg.c | 45 +++++++++++++++++-------
>  3 files changed, 37 insertions(+), 16 deletions(-)
> 
> --
> 2.39.3
> 

Ping. 

Michael, Nathan, Naveen
Any comments on these patches? 


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