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[v2,0/3] powerpc/pseries: IPI doorbell improvements

Message ID 20200630115034.137050-1-npiggin@gmail.com
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Series powerpc/pseries: IPI doorbell improvements | expand

Message

Nicholas Piggin June 30, 2020, 11:50 a.m. UTC 
Since v1:
- Fixed SMP compile error.
- Fixed EPAPR / KVM_GUEST breakage.
- Expanded patch 3 changelog a bit.

Thanks,
Nick

Nicholas Piggin (3):
  powerpc: inline doorbell sending functions
  powerpc/pseries: Use doorbells even if XIVE is available
  powerpc/pseries: Add KVM guest doorbell restrictions

 arch/powerpc/include/asm/dbell.h     | 63 ++++++++++++++++++++++++++--
 arch/powerpc/include/asm/firmware.h  |  6 +++
 arch/powerpc/include/asm/kvm_para.h  | 26 ++----------
 arch/powerpc/kernel/Makefile         |  5 +--
 arch/powerpc/kernel/dbell.c          | 55 ------------------------
 arch/powerpc/kernel/firmware.c       | 19 +++++++++
 arch/powerpc/platforms/pseries/smp.c | 62 +++++++++++++++++++--------
 7 files changed, 134 insertions(+), 102 deletions(-)

Comments

Cédric Le Goater July 23, 2020, 5:18 p.m. UTC | #1 
On 6/30/20 1:50 PM, Nicholas Piggin wrote:
> Since v1:
> - Fixed SMP compile error.
> - Fixed EPAPR / KVM_GUEST breakage.
> - Expanded patch 3 changelog a bit.
> 
> Thanks,
> Nick

I gave the patchset a try on KVM guests (P9 and P8) and PowerVM LPARs (P9).

Looks good.  

Tested-by: Cédric Le Goater <clg@kaod.org>

Thanks,

C. 

> 
> Nicholas Piggin (3):
>   powerpc: inline doorbell sending functions
>   powerpc/pseries: Use doorbells even if XIVE is available
>   powerpc/pseries: Add KVM guest doorbell restrictions
> 
>  arch/powerpc/include/asm/dbell.h     | 63 ++++++++++++++++++++++++++--
>  arch/powerpc/include/asm/firmware.h  |  6 +++
>  arch/powerpc/include/asm/kvm_para.h  | 26 ++----------
>  arch/powerpc/kernel/Makefile         |  5 +--
>  arch/powerpc/kernel/dbell.c          | 55 ------------------------
>  arch/powerpc/kernel/firmware.c       | 19 +++++++++
>  arch/powerpc/platforms/pseries/smp.c | 62 +++++++++++++++++++--------
>  7 files changed, 134 insertions(+), 102 deletions(-)
>