linux-kernel - Re: [PATCH v1 06/10] clocksource: Remove "weak" from clocksource_default

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Message-ID: <CALAqxLX4Sf8fbDWVfGoQApdzR64k7ZM2o66=pCk9Sf=GceVo5Q@mail.gmail.com>
Date:	Wed, 15 Oct 2014 10:36:47 -0700
From:	John Stultz <john.stultz@...aro.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Jason Wessel <jason.wessel@...driver.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Ingo Molnar <mingo@...hat.com>, Eric Paris <eparis@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 06/10] clocksource: Remove "weak" from
 clocksource_default_clock() declaration

On Wed, Oct 15, 2014 at 10:06 AM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:
> kernel/time/jiffies.c provides a default clocksource_default_clock()
> definition explicitly marked "weak".  arch/s390 provides its own definition
> intended to override the default, but the "weak" attribute on the
> declaration applied to the s390 definition as well, so the linker chose one
> based on link order (see 10629d711ed7 ("PCI: Remove __weak annotation from
> pcibios_get_phb_of_node decl")).
>
> Remove the "weak" attribute from the clocksource_default_clock()
> declaration so we always prefer a non-weak definition over the weak one,
> independent of link order.
>
> Fixes: f1b82746c1e9 ("clocksource: Cleanup clocksource selection")
> Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
> CC: Daniel Lezcano <daniel.lezcano@...aro.org>
> CC: Martin Schwidefsky <schwidefsky@...ibm.com>

Acked-by: John Stultz <john.stultz@...aro.org>
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