2021-05-07 17:18:05

by Christophe Leroy

[permalink] [raw]
Subject: [PATCH] powerpc/perf: Simplify Makefile

arch/powerpc/Kbuild decend into arch/powerpc/perf/ only when
CONFIG_PERF_EVENTS is selected, so there is not need to take
CONFIG_PERF_EVENTS into account in arch/powerpc/perf/Makefile.

Signed-off-by: Christophe Leroy <[email protected]>
---
arch/powerpc/perf/Makefile | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/perf/Makefile b/arch/powerpc/perf/Makefile
index c02854dea2b2..2f46e31c7612 100644
--- a/arch/powerpc/perf/Makefile
+++ b/arch/powerpc/perf/Makefile
@@ -1,9 +1,7 @@
# SPDX-License-Identifier: GPL-2.0

-obj-$(CONFIG_PERF_EVENTS) += callchain.o callchain_$(BITS).o perf_regs.o
-ifdef CONFIG_COMPAT
-obj-$(CONFIG_PERF_EVENTS) += callchain_32.o
-endif
+obj-y += callchain.o callchain_$(BITS).o perf_regs.o
+obj-$(CONFIG_COMPAT) += callchain_32.o

obj-$(CONFIG_PPC_PERF_CTRS) += core-book3s.o bhrb.o
obj64-$(CONFIG_PPC_PERF_CTRS) += ppc970-pmu.o power5-pmu.o \
--
2.25.0


2021-05-07 17:22:20

by Michal Suchánek

[permalink] [raw]
Subject: Re: [PATCH] powerpc/perf: Simplify Makefile

On Fri, May 07, 2021 at 02:01:09PM +0000, Christophe Leroy wrote:
> arch/powerpc/Kbuild decend into arch/powerpc/perf/ only when
> CONFIG_PERF_EVENTS is selected, so there is not need to take
> CONFIG_PERF_EVENTS into account in arch/powerpc/perf/Makefile.

So long as CONFIG_PERF_EVENTS stays boolean.
If it were tristate the result is less clear.

Reviewed-by: Michal Such?nek <[email protected]>

Thanks

Michal
>
> Signed-off-by: Christophe Leroy <[email protected]>
> ---
> arch/powerpc/perf/Makefile | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/arch/powerpc/perf/Makefile b/arch/powerpc/perf/Makefile
> index c02854dea2b2..2f46e31c7612 100644
> --- a/arch/powerpc/perf/Makefile
> +++ b/arch/powerpc/perf/Makefile
> @@ -1,9 +1,7 @@
> # SPDX-License-Identifier: GPL-2.0
>
> -obj-$(CONFIG_PERF_EVENTS) += callchain.o callchain_$(BITS).o perf_regs.o
> -ifdef CONFIG_COMPAT
> -obj-$(CONFIG_PERF_EVENTS) += callchain_32.o
> -endif
> +obj-y += callchain.o callchain_$(BITS).o perf_regs.o
> +obj-$(CONFIG_COMPAT) += callchain_32.o
>
> obj-$(CONFIG_PPC_PERF_CTRS) += core-book3s.o bhrb.o
> obj64-$(CONFIG_PPC_PERF_CTRS) += ppc970-pmu.o power5-pmu.o \
> --
> 2.25.0
>

2021-06-18 06:18:57

by Michael Ellerman

[permalink] [raw]
Subject: Re: [PATCH] powerpc/perf: Simplify Makefile

On Fri, 7 May 2021 14:01:09 +0000 (UTC), Christophe Leroy wrote:
> arch/powerpc/Kbuild decend into arch/powerpc/perf/ only when
> CONFIG_PERF_EVENTS is selected, so there is not need to take
> CONFIG_PERF_EVENTS into account in arch/powerpc/perf/Makefile.

Applied to powerpc/next.

[1/1] powerpc/perf: Simplify Makefile
https://git.kernel.org/powerpc/c/87f19ea10100892637d4eee9069fad4ed61cb6a5

cheers