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From: Chris Wilson <chris@chris-wilson.co.uk>
To: Arnd Bergmann <arnd@arndb.de>, x86@kernel.org
Cc: "Nicolas Pitre" <nico@linaro.org>,
	"Andi Kleen" <ak@linux.intel.com>,
	linux-kernel@vger.kernel.org, "Arnd Bergmann" <arnd@arndb.de>
Subject: Re: [PATCH 0/3] x86 bugfixes for LTO
Date: Fri, 09 Feb 2018 22:24:33 +0000	[thread overview]
Message-ID: <151821507347.9954.4785393248908071074@mail.alporthouse.com> (raw)
In-Reply-To: <20180202145434.100626-1-arnd@arndb.de>

Quoting Arnd Bergmann (2018-02-02 14:54:28)
> Here are three bugfixes for x86 that I needed to get LTO-enabled
> kernels to build reliably. I'm not sure abouto that first one
> though.

Is there a howto on how to build LTO kernels? I tried Andi's lto-415-2
branch, but linking fails with lots of arcane PIE-vs-PIC errors. We are
wanting to investigate how we can use LTO to reduce our (i915.ko) module
size (by e.g. supporting a subset of chipsets).
-Chris

  parent reply	other threads:[~2018-02-09 22:24 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-02 14:54 [PATCH 0/3] x86 bugfixes for LTO Arnd Bergmann
2018-02-02 14:56 ` [PATCH 1/3] x86: dumpstack: avoid uninitlized variable Arnd Bergmann
2018-02-02 14:56   ` [PATCH 2/3] x86: fix swsusp_arch_resume prototype Arnd Bergmann
2018-02-02 22:37     ` [tip:x86/urgent] x86/power: Fix " tip-bot for Arnd Bergmann
2018-02-08 10:12     ` [PATCH 2/3] x86: fix " Rafael J. Wysocki
2018-02-02 14:56   ` [PATCH 3/3] x86: error_inject: make just_return_func globally visible Arnd Bergmann
2018-02-03 13:21     ` Masami Hiramatsu
2018-02-13 15:25     ` [tip:x86/urgent] x86/error_inject: Make just_return_func() " tip-bot for Arnd Bergmann
2018-02-02 22:36   ` [tip:x86/urgent] x86/dumpstack: Avoid uninitlized variable tip-bot for Arnd Bergmann
2018-02-05 21:21     ` Arnd Bergmann
2018-02-05 21:39       ` Josh Poimboeuf
2018-02-05 21:48         ` Arnd Bergmann
2018-02-09 22:24 ` Chris Wilson [this message]
2018-02-09 23:00   ` [PATCH 0/3] x86 bugfixes for LTO Andi Kleen

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