linux-kernel - Re: [RFC2 PATCH v6 00/19] ILP32 for ARM64

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Message-ID: <mvm37vwoe3s.fsf@hawking.suse.de>
Date:	Mon, 23 Nov 2015 17:49:27 +0100
From:	Andreas Schwab <schwab@...e.de>
To:	Yury Norov <ynorov@...iumnetworks.com>
Cc:	<arnd@...db.de>, <catalin.marinas@....com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <pinskia@...il.com>,
	<ddaney.cavm@...il.com>, <jan.dakinevich@...il.com>,
	<Prasun.Kapoor@...iumnetworks.com>,
	<christoph.muellner@...obroma-systems.com>,
	<philipp.tomsich@...obroma-systems.com>, <broonie@...nel.org>,
	<andrey.konovalov@...aro.org>, <Nathan_Lynch@...tor.com>,
	<agraf@...e.de>, <bamvor.zhangjian@...wei.com>,
	<klimov.linux@...il.com>, <joseph@...esourcery.com>
Subject: Re: [RFC2 PATCH v6 00/19] ILP32 for ARM64

Yury Norov <ynorov@...iumnetworks.com> writes:

> v6:
>  - time_t, __kenel_off_t and other types turned to be 32-bit
>    for compatibility reasons (after v5 discussion);
>  - related changes applied to ILP32 syscall table and handlers;
>  - ILP32 VDSO code excluded. It's not mandatory, and caused questions
>    during review process. We definitely make sure we will follow up
>    with a VDSO later on because it is needed for performance reasons;
>  - fixed build issues with different combinations of AARCH32 / ILP32
>    enabling in config;
>  - ILP32 TLS bug fixed;
>  - entry32-common.S introduced to hold wrappers needed for both ILP32
>    and AARCH32_EL0;
>  - documentation updated according to latest changes;
>  - rebased to the current head;
>  - coding style re-checked;
>  - ILP32 syscall table turned around.

For some reason signal frame setup has been broken with this
incarnation.  I'm seeing x30 == 0 on entry to the signal handler.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@...e.de
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