From mboxrd@z Thu Jan 1 00:00:00 1970 From: Segher Boessenkool Subject: Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures Date: Wed, 3 Aug 2016 14:44:29 -0500 Message-ID: <20160803194429.GA14627@gate.crashing.org> References: <5216072.9VpDc0iy8Q@wuerfel> <20160804013729.7fffa45a@roar.ozlabs.ibm.com> <3892328.nUGXIq3MaH@wuerfel> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <3892328.nUGXIq3MaH@wuerfel> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org Sender: "Linuxppc-dev" To: Arnd Bergmann Cc: Stephen Rothwell , "linux-kernel@vger.kernel.org" , Nicholas Piggin , "Luis R. Rodriguez" , linux-next@vger.kernel.org, Paul Mackerras , Fengguang Wu , linuxppc-dev@lists.ozlabs.org, Guenter Roeck List-Id: linux-next.vger.kernel.org SGkgQXJuZCwKCk9uIFdlZCwgQXVnIDAzLCAyMDE2IGF0IDA4OjUyOjQ4UE0gKzAyMDAsIEFybmQg QmVyZ21hbm4gd3JvdGU6Cj4gRnJvbSBteSBmaXJzdCBsb29rLCBpdCBzZWVtcyB0aGF0IGFsbCBv ZiBsaWIvKi5vIGlzIG5vdyBnZXR0aW5nIGxpbmtlZAo+IGludG8gdm1saW51eCwgd2hpbGUgd2Ug dHJhZGl0aW9uYWxseSBsZWF2ZSBvdXQgZXZlcnl0aGluZyBmcm9tIGxpYi8KPiB0aGF0IGlzIG5v dCByZWZlcmVuY2VkLgo+IAo+IEkgYWxzbyBzZWUgYSBub3RpY2VhYmxlIG92ZXJoZWFkIGluIGxp bmsgdGltZSwgdGhlIG51bWJlcnMgYXJlIGZvcgo+IGEgY2FjaGUtaG90IHJlYnVpbGQgYWZ0ZXIg YSBzdWNjZXNzZnVsIGFsbHllc2NvbmZpZyBidWlsZCwgdXNpbmcgYQo+IDI0LXdheSBPcHRlcm9u QDIuNUdoeiwganVzdCByZWxpbmtpbmcgdm1saW51eDoKPiAKPiAkIHRpbWUgbWFrZSBza2ozMCB2 bWxpbnV4ICMgYmVmb3JlCj4gcmVhbAkybTguMDkycwo+IHVzZXIJM200MS4wMDhzCj4gc3lzCTBt NDguMTcycwo+IAo+ICQgdGltZSBtYWtlIHNrajMwIHZtbGludXggIyBhZnRlcgo+IHJlYWwJNG0x MC4xODlzCj4gdXNlcgk1bTQzLjgwNHMKPiBzeXMJMG01Mi45ODhzCgpJcyBpdCBiZXR0ZXIgd2hl biB1c2luZyByY1QgaW5zdGVhZCBvZiByY3NUPwoKClNlZ2hlcgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpMaW51eHBwYy1kZXYgbWFpbGluZyBsaXN0Ckxp bnV4cHBjLWRldkBsaXN0cy5vemxhYnMub3JnCmh0dHBzOi8vbGlzdHMub3psYWJzLm9yZy9saXN0 aW5mby9saW51eHBwYy1kZXY= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3s4Nnc5mRXzDqRs for ; Thu, 4 Aug 2016 05:44:52 +1000 (AEST) Date: Wed, 3 Aug 2016 14:44:29 -0500 From: Segher Boessenkool To: Arnd Bergmann Cc: Nicholas Piggin , Stephen Rothwell , "linux-kernel@vger.kernel.org" , "Luis R. Rodriguez" , linux-next@vger.kernel.org, Paul Mackerras , Fengguang Wu , linuxppc-dev@lists.ozlabs.org, Guenter Roeck Subject: Re: powerpc allyesconfig / allmodconfig linux-next next-20160729 - next-20160729 build failures Message-ID: <20160803194429.GA14627@gate.crashing.org> References: <5216072.9VpDc0iy8Q@wuerfel> <20160804013729.7fffa45a@roar.ozlabs.ibm.com> <3892328.nUGXIq3MaH@wuerfel> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <3892328.nUGXIq3MaH@wuerfel> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi Arnd, On Wed, Aug 03, 2016 at 08:52:48PM +0200, Arnd Bergmann wrote: > From my first look, it seems that all of lib/*.o is now getting linked > into vmlinux, while we traditionally leave out everything from lib/ > that is not referenced. > > I also see a noticeable overhead in link time, the numbers are for > a cache-hot rebuild after a successful allyesconfig build, using a > 24-way Opteron@2.5Ghz, just relinking vmlinux: > > $ time make skj30 vmlinux # before > real 2m8.092s > user 3m41.008s > sys 0m48.172s > > $ time make skj30 vmlinux # after > real 4m10.189s > user 5m43.804s > sys 0m52.988s Is it better when using rcT instead of rcsT? Segher