linux-kernel - Re: [PATCHv2 1/7] x86: remove superflous goal definition of tsc

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Message-ID: <AANLkTi=zU=N35RYmcSEkoLNAycQy7Cfcq3jHBYu+dq1O@mail.gmail.com>
Date:	Fri, 4 Mar 2011 15:43:12 +0300
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Henrik Kretzschmar <henne@...htwindheim.de>
Cc:	mingo@...e.hu, tglx@...utronix.de, hpa@...or.com, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCHv2 1/7] x86: remove superflous goal definition of tsc_sync

On Fri, Mar 4, 2011 at 2:58 PM, Henrik Kretzschmar
<henne@...htwindheim.de> wrote:
> This goal definition is superflous.
> CONFIG_X86_64_SMP depends on CONFIG_SMP
> and tsc_sync.o is already in the definition of CONFIG_SMP.
>
> Signed-off-by: Henrik Kretzschmar <henne@...htwindheim.de>
> ---
>  arch/x86/kernel/Makefile |    1 -
>  1 files changed, 0 insertions(+), 1 deletions(-)
>
> diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
> index 4ad4509..6b61081 100644
> --- a/arch/x86/kernel/Makefile
> +++ b/arch/x86/kernel/Makefile
> @@ -69,7 +69,6 @@ obj-$(CONFIG_APM)             += apm.o
>  obj-$(CONFIG_SMP)              += smp.o
>  obj-$(CONFIG_SMP)              += smpboot.o tsc_sync.o
>  obj-$(CONFIG_SMP)              += setup_percpu.o
> -obj-$(CONFIG_X86_64_SMP)       += tsc_sync.o
>  obj-$(CONFIG_X86_MPPARSE)      += mpparse.o
>  obj-y                          += apic/
>  obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups_32.o
> --
> 1.7.2.3
>
>

Probably we better write it this way:

- obj-$(CONFIG_SMP)              += smpboot.o tsc_sync.o
- obj-$(CONFIG_X86_64_SMP)       += tsc_sync.o

+ obj-$(CONFIG_SMP)              += smpboot.o
+ obj-$(CONFIG_SMP)              += tsc_sync.o

I guess this would be cleaner? Ingo?
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