[PATCH] powerpc/powernv: Enable HAIL (HV AIL) for ISA v3.1 processors

Michael Ellerman patch-notifications at ellerman.id.au
Mon Apr 19 14:00:08 AEST 2021


On Fri, 2 Apr 2021 12:41:24 +1000, Nicholas Piggin wrote:
> Starting with ISA v3.1, LPCR[AIL] no longer controls the interrupt
> mode for HV=1 interrupts. Instead, a new LPCR[HAIL] bit is defined
> which behaves like AIL=3 for HV interrupts when set.
> 
> Set HAIL on bare metal to give us mmu-on interrupts and improve
> performance.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/powernv: Enable HAIL (HV AIL) for ISA v3.1 processors
      https://git.kernel.org/powerpc/c/49c1d07fd04f54eb588c4a1dfcedc8d22c5ffd50

cheers


More information about the Linuxppc-dev mailing list