[PATCH 1/2] powerpc/64s: remplement power4_idle code in C

[Michael Ellerman]

On Thu, 11 Jul 2019 12:24:03 +1000, Nicholas Piggin wrote:
> This implements the tricky tracing and soft irq handling bits in C,
> leaving the low level bit to asm.
> 
> A functional difference is that this redirects the interrupt exit to
> a return stub to execute blr, rather than the lr address itself. This
> is probably barely measurable on real hardware, but it keeps the link
> stack balanced.
> 
> [...]

Patch 2 applied to powerpc/next.

[2/2] powerpc/64s: Remove idle workaround code from restore_cpu_cpufeatures
      https://git.kernel.org/powerpc/c/02b02ee1b05ef225525835b2d45faf31b3420bdd

cheers