From: Andi Kleen <andi@firstfloor.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: "Andi Kleen" <andi@firstfloor.org>,
"Stephen Boyd" <sboyd@codeaurora.org>,
"Andy Gross" <agross@codeaurora.org>,
linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-soc@vger.kernel.org,
linux-mips@linux-mips.org, "Hauke Mehrtens" <hauke@hauke-m.de>,
"Paul Walmsley" <paul@pwsan.com>,
"Rafał Miłecki" <zajec5@gmail.com>,
"Bjorn Andersson" <bjorn.andersson@sonymobile.com>
Subject: Re: [PATCH 0/3] Add __ioread32_copy() and use it
Date: Wed, 16 Sep 2015 04:55:46 +0200 [thread overview]
Message-ID: <20150916025546.GE1747@two.firstfloor.org> (raw)
In-Reply-To: <20150915195031.0a1756a2.akpm@linux-foundation.org>
> Under what circumstances will the compiler (or linker?) do this?
Compiler.
> LTO enabled?
Yes it's for LTO. The optimization allows the compiler to drop unused
functions, which is very popular with users (a lot use it to get smaller
kernel images)
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
WARNING: multiple messages have this Message-ID (diff)
From: andi@firstfloor.org (Andi Kleen)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/3] Add __ioread32_copy() and use it
Date: Wed, 16 Sep 2015 04:55:46 +0200 [thread overview]
Message-ID: <20150916025546.GE1747@two.firstfloor.org> (raw)
In-Reply-To: <20150915195031.0a1756a2.akpm@linux-foundation.org>
> Under what circumstances will the compiler (or linker?) do this?
Compiler.
> LTO enabled?
Yes it's for LTO. The optimization allows the compiler to drop unused
functions, which is very popular with users (a lot use it to get smaller
kernel images)
-Andi
--
ak at linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2015-09-16 2:55 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-15 19:41 [PATCH 0/3] Add __ioread32_copy() and use it Stephen Boyd
2015-09-15 19:41 ` Stephen Boyd
2015-09-15 19:41 ` [PATCH 1/3] lib: iomap_copy: Add __ioread32_copy() Stephen Boyd
2015-09-15 19:41 ` Stephen Boyd
2015-09-15 19:41 ` [PATCH 2/3] soc: qcom: smd: Use __ioread32_copy() instead of open-coding it Stephen Boyd
2015-09-15 19:41 ` Stephen Boyd
2015-09-15 19:41 ` [PATCH 3/3] FIRMWARE: bcm47xx_nvram: Use __ioread32_copy() instead of open-coding Stephen Boyd
2015-09-15 19:41 ` Stephen Boyd
2015-09-15 22:58 ` [PATCH 0/3] Add __ioread32_copy() and use it Andrew Morton
2015-09-15 22:58 ` Andrew Morton
2015-09-16 0:50 ` Stephen Boyd
2015-09-16 0:50 ` Stephen Boyd
2015-09-16 22:09 ` Andrew Morton
2015-09-16 22:09 ` Andrew Morton
2015-09-16 2:32 ` Andi Kleen
2015-09-16 2:32 ` Andi Kleen
2015-09-16 2:50 ` Andrew Morton
2015-09-16 2:50 ` Andrew Morton
2015-09-16 2:55 ` Andi Kleen [this message]
2015-09-16 2:55 ` Andi Kleen
2015-09-18 19:19 ` Andrew Morton
2015-09-18 19:19 ` Andrew Morton
2015-09-19 20:16 ` Andi Kleen
2015-09-19 20:16 ` Andi Kleen
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