This is a note to let you know that I've just added the patch titled powerpc/powernv: Fix CPU_HOTPLUG=n idle.c compile error to the 4.12-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: powerpc-powernv-fix-cpu_hotplug-n-idle.c-compile-error.patch and it can be found in the queue-4.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 67d20418088680d22037119d914982cd982b5c5a Mon Sep 17 00:00:00 2001 From: Nicholas Piggin <npiggin@xxxxxxxxx> Date: Fri, 12 May 2017 01:15:20 +1000 Subject: powerpc/powernv: Fix CPU_HOTPLUG=n idle.c compile error From: Nicholas Piggin <npiggin@xxxxxxxxx> commit 67d20418088680d22037119d914982cd982b5c5a upstream. Fixes: a7cd88da97 ("powerpc/powernv: Move CPU-Offline idle state invocation from smp.c to idle.c") Cc: Gautham R. Shenoy <ego@xxxxxxxxxxxxxxxxxx> Signed-off-by: Nicholas Piggin <npiggin@xxxxxxxxx> Acked-by: Gautham R. Shenoy <ego@xxxxxxxxxxxxxxxxxx> Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/powerpc/platforms/powernv/idle.c | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/powerpc/platforms/powernv/idle.c +++ b/arch/powerpc/platforms/powernv/idle.c @@ -261,6 +261,7 @@ static u64 pnv_deepest_stop_psscr_val; static u64 pnv_deepest_stop_psscr_mask; static bool deepest_stop_found; +#ifdef CONFIG_HOTPLUG_CPU /* * pnv_cpu_offline: A function that puts the CPU into the deepest * available platform idle state on a CPU-Offline. @@ -293,6 +294,7 @@ unsigned long pnv_cpu_offline(unsigned i return srr1; } +#endif /* * Power ISA 3.0 idle initialization. Patches currently in stable-queue which might be from npiggin@xxxxxxxxx are queue-4.12/powerpc-powernv-fix-cpu_hotplug-n-idle.c-compile-error.patch