Re: [PATCH 0/3] powerpc/64s: Restrict NMMU workarounds

2022-07-29 Thread Michael Ellerman 
On Wed, 25 May 2022 12:23:55 +1000, Nicholas Piggin wrote:
> POWER10 doesn't require the two Nest MMU workarounds according to the
> workbook. Also remove the last vestige of the spurious fault flushing
> for NMMU which shouldn't have been required anyway.
> 
> Thanks,
> Nick
> 
> [...]

Applied to powerpc/next.

[1/3] powerpc/64s: POWER10 nest MMU does not require flush escalation workaround
  https://git.kernel.org/powerpc/c/abf0878ce95f8a9b47d8ecf2de1d4617bec21711
[2/3] powerpc/64s: POWER10 nest MMU can upgrade PTE access authority without 
TLB flush
  https://git.kernel.org/powerpc/c/2a8a0f420f74425bf5f80760fd14d7a2c3abb87d
[3/3] powerpc/64s: Remove spurious fault flushing for NMMU
  https://git.kernel.org/powerpc/c/fd193f85d3206cc7e7aeea2b6033d105cca38d01

cheers

[PATCH 0/3] powerpc/64s: Restrict NMMU workarounds

2022-05-24 Thread Nicholas Piggin 
POWER10 doesn't require the two Nest MMU workarounds according to the
workbook. Also remove the last vestige of the spurious fault flushing
for NMMU which shouldn't have been required anyway.

Thanks,
Nick

Nicholas Piggin (3):
  powerpc/64s: POWER10 nest MMU does not require flush escalation
workaround
  powerpc/64s: POWER10 nest MMU can upgrade PTE access authority without
TLB flush
  powerpc/64s: Remove spurious fault flushing for NMMU

 arch/powerpc/include/asm/book3s/64/tlbflush.h | 28 +--
 arch/powerpc/mm/book3s64/radix_hugetlbpage.c  | 10 +++---
 arch/powerpc/mm/book3s64/radix_pgtable.c  | 35 ---
 arch/powerpc/mm/book3s64/radix_tlb.c  | 14 ++--
 4 files changed, 64 insertions(+), 23 deletions(-)

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2.35.1