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

[Michael Ellerman]

On Thu, 2019-07-11 at 02:24:03 UTC, 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.
> 
> Tested with QEMU.
> 
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/ed0bc98f8cbe4f8254759d333a47aedc816ff8c5

cheers