linux-kernel - Re: [PATCH v7 resend 00/20] ILP32 for ARM64

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Message-ID: <20170411183636.GB5091@yury-N73SV>
Date:   Tue, 11 Apr 2017 22:36:36 +0400
From:   Yury Norov <ynorov@...iumnetworks.com>
To:     Catalin Marinas <catalin.marinas@....com>
Cc:     linux-doc@...r.kernel.org,
        Andrew Pinski <Andrew.Pinski@...iumnetworks.com>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Chris Metcalf <cmetcalf@...hip.com>,
        philipp.tomsich@...obroma-systems.com,
        Joseph Myers <joseph@...esourcery.com>,
        zhouchengming1@...wei.com,
        Steve Ellcey <sellcey@...iumnetworks.com>,
        Prasun.Kapoor@...iumnetworks.com, Andreas Schwab <schwab@...e.de>,
        agraf@...e.de, szabolcs.nagy@....com, geert@...ux-m68k.org,
        Adam Borowski <kilobyte@...band.pl>,
        manuel.montezelo@...il.com, Chris Metcalf <cmetcalf@...lanox.com>,
        Arnd Bergmann <arnd@...db.de>,
        Andrew Pinski <pinskia@...il.com>, linyongting@...wei.com,
        klimov.linux@...il.com, broonie@...nel.org,
        Bamvor Zhangjian <bamvor.zhangjian@...wei.com>,
        linux-arm-kernel@...ts.infradead.org,
        Maxim Kuvyrkov <maxim.kuvyrkov@...aro.org>,
        Florian Weimer <fweimer@...hat.com>, Nathan_Lynch@...tor.com,
        linux-kernel@...r.kernel.org,
        Ramana Radhakrishnan <ramana.gcc@...glemail.com>,
        schwidefsky@...ibm.com, davem@...emloft.net,
        christoph.muellner@...obroma-systems.com
Subject: Re: [PATCH v7 resend 00/20] ILP32 for ARM64

> Also, the latest benchmarks I've seen were mostly for user space
> while I'm more concerned with the user-kernel interface
> (https://marc.info/?l=linux-arm-kernel&m=148690490713310&w=2).

> On the glibc testing side, have the regressions been identified/fixed?

I run LTP for testing the ABI and kernel, and there is no failures in
ltplite scenario. With glibc testsuite, there's only 3 failures
comparing to lp64. (Steve, fix me if something changed.) This is
slides on ilp32 from Linaro Connect, hope you'll find it useful.

https://docs.google.com/presentation/d/1TKZqgH0XJUgMMGkw2fJA3Lzr57slht1sGKYJVBJTNM4/edit?usp=sharing

Yury