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Re: [PATCH 4/4] arm: Enable ARM mode for armv6 strlen

From: Florian Weimer <fweimer at redhat dot com>
To: Wilco Dijkstra <Wilco dot Dijkstra at arm dot com>, "pb at pbcl dot net" <pb at pbcl dot net>
Cc: Ramana Radhakrishnan <ramana dot gcc at googlemail dot com>, nd <nd at arm dot com>, "libc-alpha at sourceware dot org" <libc-alpha at sourceware dot org>, "adhemerval dot zanella at linaro dot org" <adhemerval dot zanella at linaro dot org>
Date: Fri, 13 Apr 2018 17:48:53 +0200
Subject: Re: [PATCH 4/4] arm: Enable ARM mode for armv6 strlen
References: <DB6PR0801MB205308296F976C0B8B5A634583B30@DB6PR0801MB2053.eurprd08.prod.outlook.com> <DB6PR0801MB20535FA1DD3B7E5F01CC0DD383B30@DB6PR0801MB2053.eurprd08.prod.outlook.com>

On 04/13/2018 05:43 PM, Wilco Dijkstra wrote:

Things have improved a lot since then, and system wide effects of code
footprint have become more important, so using only Arm on a modern
core just doesn't make any sense today.

We increasingly see on other architectures that people turn ofconfigurable kernel features, maybe as some form of security hardening(threat surface reduction). This means that code which assumes thepresence of these kernel features (because the used to be non-optionaland may even be mentioned in ABI documents) no longer runs.Consequently, you have to convince others to change their kernelconfiguration, or you have to build your software differently.


Thanks,
Florian

References:
- Re: [PATCH 4/4] arm: Enable ARM mode for armv6 strlen
  - From: Wilco Dijkstra
- Re: [PATCH 4/4] arm: Enable ARM mode for armv6 strlen
  - From: Wilco Dijkstra

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