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Date: Fri, 18 Aug 2017 14:56:55 +0900
From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
        "H. Peter Anvin" <hpa@zytor.com>, Arnd Bergmann <arnd@arndb.de>,
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        "Serge E. Hallyn" <serge@hallyn.com>,
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        Paul Mackerras <paulus@samba.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Petr Mladek <pmladek@suse.com>, Ingo Molnar <mingo@redhat.com>,
        James Morris <james.l.morris@oracle.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Nicolas Pitre <nico@linaro.org>, Steven Rostedt <rostedt@goodmis.org>,
        Martin Schwidefsky <schwidefsky@de.ibm.com>,
        Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
        Jessica Yu <jeyu@kernel.org>
Subject: Re: [PATCH 0/5] add support for relative references in special
 sections
Message-ID: <20170818055655.GA495@jagdpanzerIV.localdomain>
References: <20170814105231.14608-1-ard.biesheuvel@linaro.org>
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On (08/14/17 11:52), Ard Biesheuvel wrote:
> This adds support for emitting special sections such as initcall arrays,
> PCI fixups and tracepoints as relative references rather than absolute
> references. This reduces the size by 50% on 64-bit architectures, but
> more importantly, it removes the need for carrying relocation metadata
> for these sections in relocatables kernels (e.g., for KASLR) that need
> to fix up these absolute references at boot time. On arm64, this reduces
> the vmlinux footprint of such a reference by 8x (8 byte absolute reference
> + 24 byte RELA entry vs 4 byte relative reference)
[..]

a side note,
checkpatch complaints quite a lot.

	-ss