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

Michael Ellerman mpe at ellerman.id.au
Tue Apr 30 13:54:52 AEST 2024


Shrikanth Hegde <sshegde at linux.ibm.com> writes:
> 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?

Looks fine. I have it in next-test, will probably go into next tomorrow.

cheers


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