From: cavokz@gmail.com (Domenico Andreoli)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/5] ARM: Broadcom: Unconditionally build arch/arm/mach-bcm
Date: Sat, 27 Jul 2013 01:30:18 +0200 [thread overview]
Message-ID: <20130726233018.GB6953@glitch> (raw)
In-Reply-To: <20130726223829.GY24642@n2100.arm.linux.org.uk>
On Fri, Jul 26, 2013 at 11:38:29PM +0100, Russell King - ARM Linux wrote:
> On Sat, Jul 27, 2013 at 12:28:09AM +0200, Domenico Andreoli wrote:
> > I've got the point but didn't fully understand why would be so wrong to
> > walk one more subdir even if nothing is going to be built.
>
> Consider what would happen if we decended the 61 mach- subdirectories
> on every build run when only one was really required. Even though
> kbuild tries to be fast, there's still a non-zero amount of time
> involved with finding out there's nothing to be done - and you
> will still end up generating a built-in.o file even though there's
> no other objects, which will then also be included in the final
> link - again, adding to the work which has to be done.
crystal clear. thanks.
Domenico
next prev parent reply other threads:[~2013-07-26 23:30 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-26 14:56 [PATCH v2 0/5] ARM: Broadcom BCM4760 support Domenico Andreoli
2013-07-26 14:56 ` [PATCH v2 1/5] ARM: Broadcom: Unconditionally build arch/arm/mach-bcm Domenico Andreoli
2013-07-26 15:29 ` Jason Cooper
2013-07-26 15:55 ` Christian Daudt
2013-07-26 17:11 ` Jason Cooper
2013-07-26 17:17 ` Christian Daudt
2013-07-26 17:33 ` Jason Cooper
2013-07-26 18:47 ` Russell King - ARM Linux
2013-07-26 19:09 ` Christian Daudt
2013-07-26 19:39 ` Russell King - ARM Linux
2013-07-26 20:23 ` Christian Daudt
2013-07-26 22:28 ` Domenico Andreoli
2013-07-26 22:38 ` Russell King - ARM Linux
2013-07-26 23:30 ` Domenico Andreoli [this message]
2013-07-26 21:59 ` Domenico Andreoli
2013-07-26 23:11 ` Jason Gunthorpe
2013-07-26 23:28 ` Domenico Andreoli
2013-07-26 23:55 ` Christian Daudt
2013-07-26 23:42 ` Russell King - ARM Linux
2013-07-27 0:01 ` Olof Johansson
2013-07-27 0:04 ` Russell King - ARM Linux
2013-07-27 0:05 ` Olof Johansson
2013-07-27 14:38 ` Arnd Bergmann
2013-08-01 14:18 ` Domenico Andreoli
2013-08-01 9:23 ` Florian Fainelli
2013-08-01 14:15 ` Domenico Andreoli
2013-07-26 17:24 ` Olof Johansson
2013-07-26 14:56 ` [PATCH v2 2/5] ARM: bcm4760: Add platform infrastructure Domenico Andreoli
2013-07-26 14:56 ` [PATCH v2 3/5] ARM: bcm4760: Add system timer Domenico Andreoli
2013-07-26 14:56 ` [PATCH v2 4/5] ARM: bcm4760: Add ripple counter Domenico Andreoli
2013-07-26 14:56 ` [PATCH v2 5/5] ARM: bcm4760: Add restart hook Domenico Andreoli
2013-07-26 15:33 ` [PATCH v2 0/5] ARM: Broadcom BCM4760 support Jason Cooper
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