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From: Catalin Marinas <catalin.marinas@arm.com>
To: Masahiro Yamada <masahiroy@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	linux-kernel@vger.kernel.org, Will Deacon <will@kernel.org>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Guo Ren <guoren@kernel.org>,
	linux-mips@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
	linux-csky@vger.kernel.org, linux-riscv@lists.infradead.org,
	Albert Ou <aou@eecs.berkeley.edu>,
	linuxppc-dev@lists.ozlabs.org,
	Russell King <linux@armlinux.org.uk>,
	linux-arm-kernel@lists.infradead.org,
	Paul Walmsley <paul.walmsley@sifive.com>
Subject: Re: [PATCH v2] arch: vdso: remove if-conditionals of $(c-gettimeofday-y)
Date: Tue, 3 Aug 2021 17:19:26 +0100	[thread overview]
Message-ID: <20210803161925.GC5786@arm.com> (raw)
In-Reply-To: <20210731060020.12913-1-masahiroy@kernel.org>

On Sat, Jul 31, 2021 at 03:00:20PM +0900, Masahiro Yamada wrote:
> arm, arm64, csky, mips, powerpc always select GENERIC_GETTIMEOFDAY,
> hence $(gettimeofday-y) never becomes empty.
> 
> riscv conditionally selects GENERIC_GETTIMEOFDAY when MMU=y && 64BIT=y,
> but arch/riscv/kernel/vdso/vgettimeofday.o is built only under that
> condition. So, you can always define CFLAGS_vgettimeofday.o
> 
> Remove all the meaningless conditionals.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>

WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Masahiro Yamada <masahiroy@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	linux-kernel@vger.kernel.org, Will Deacon <will@kernel.org>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Guo Ren <guoren@kernel.org>,
	linux-mips@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
	linux-csky@vger.kernel.org, linux-riscv@lists.infradead.org,
	Albert Ou <aou@eecs.berkeley.edu>,
	linuxppc-dev@lists.ozlabs.org,
	Russell King <linux@armlinux.org.uk>,
	linux-arm-kernel@lists.infradead.org,
	Paul Walmsley <paul.walmsley@sifive.com>
Subject: Re: [PATCH v2] arch: vdso: remove if-conditionals of $(c-gettimeofday-y)
Date: Tue, 3 Aug 2021 17:19:26 +0100	[thread overview]
Message-ID: <20210803161925.GC5786@arm.com> (raw)
In-Reply-To: <20210731060020.12913-1-masahiroy@kernel.org>

On Sat, Jul 31, 2021 at 03:00:20PM +0900, Masahiro Yamada wrote:
> arm, arm64, csky, mips, powerpc always select GENERIC_GETTIMEOFDAY,
> hence $(gettimeofday-y) never becomes empty.
> 
> riscv conditionally selects GENERIC_GETTIMEOFDAY when MMU=y && 64BIT=y,
> but arch/riscv/kernel/vdso/vgettimeofday.o is built only under that
> condition. So, you can always define CFLAGS_vgettimeofday.o
> 
> Remove all the meaningless conditionals.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>

_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Masahiro Yamada <masahiroy@kernel.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Russell King <linux@armlinux.org.uk>,
	linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	linux-csky@vger.kernel.org, linux-mips@vger.kernel.org,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	linux-arm-kernel@lists.infradead.org,
	Andy Lutomirski <luto@kernel.org>, Guo Ren <guoren@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	Will Deacon <will@kernel.org>,
	linux-riscv@lists.infradead.org,
	Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH v2] arch: vdso: remove if-conditionals of $(c-gettimeofday-y)
Date: Tue, 3 Aug 2021 17:19:26 +0100	[thread overview]
Message-ID: <20210803161925.GC5786@arm.com> (raw)
In-Reply-To: <20210731060020.12913-1-masahiroy@kernel.org>

On Sat, Jul 31, 2021 at 03:00:20PM +0900, Masahiro Yamada wrote:
> arm, arm64, csky, mips, powerpc always select GENERIC_GETTIMEOFDAY,
> hence $(gettimeofday-y) never becomes empty.
> 
> riscv conditionally selects GENERIC_GETTIMEOFDAY when MMU=y && 64BIT=y,
> but arch/riscv/kernel/vdso/vgettimeofday.o is built only under that
> condition. So, you can always define CFLAGS_vgettimeofday.o
> 
> Remove all the meaningless conditionals.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>

WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Masahiro Yamada <masahiroy@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	linux-kernel@vger.kernel.org, Will Deacon <will@kernel.org>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Guo Ren <guoren@kernel.org>,
	linux-mips@vger.kernel.org, Paul Mackerras <paulus@samba.org>,
	linux-csky@vger.kernel.org, linux-riscv@lists.infradead.org,
	Albert Ou <aou@eecs.berkeley.edu>,
	linuxppc-dev@lists.ozlabs.org,
	Russell King <linux@armlinux.org.uk>,
	linux-arm-kernel@lists.infradead.org,
	Paul Walmsley <paul.walmsley@sifive.com>
Subject: Re: [PATCH v2] arch: vdso: remove if-conditionals of $(c-gettimeofday-y)
Date: Tue, 3 Aug 2021 17:19:26 +0100	[thread overview]
Message-ID: <20210803161925.GC5786@arm.com> (raw)
In-Reply-To: <20210731060020.12913-1-masahiroy@kernel.org>

On Sat, Jul 31, 2021 at 03:00:20PM +0900, Masahiro Yamada wrote:
> arm, arm64, csky, mips, powerpc always select GENERIC_GETTIMEOFDAY,
> hence $(gettimeofday-y) never becomes empty.
> 
> riscv conditionally selects GENERIC_GETTIMEOFDAY when MMU=y && 64BIT=y,
> but arch/riscv/kernel/vdso/vgettimeofday.o is built only under that
> condition. So, you can always define CFLAGS_vgettimeofday.o
> 
> Remove all the meaningless conditionals.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2021-08-03 16:19 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-31  6:00 [PATCH v2] arch: vdso: remove if-conditionals of $(c-gettimeofday-y) Masahiro Yamada
2021-07-31  6:00 ` Masahiro Yamada
2021-07-31  6:00 ` Masahiro Yamada
2021-07-31  6:00 ` Masahiro Yamada
2021-08-02  2:36 ` Michael Ellerman
2021-08-02  2:36   ` Michael Ellerman
2021-08-02  2:36   ` Michael Ellerman
2021-08-02  2:36   ` Michael Ellerman
2021-08-03 16:19 ` Catalin Marinas [this message]
2021-08-03 16:19   ` Catalin Marinas
2021-08-03 16:19   ` Catalin Marinas
2021-08-03 16:19   ` Catalin Marinas
2021-08-05  9:12 ` Thomas Bogendoerfer
2021-08-05  9:12   ` Thomas Bogendoerfer
2021-08-05  9:12   ` Thomas Bogendoerfer
2021-08-05  9:12   ` Thomas Bogendoerfer

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