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

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Date:	Fri, 4 Dec 2015 18:35:50 +0300
From:	Yury Norov <ynorov@...iumnetworks.com>
To:	Catalin Marinas <catalin.marinas@....com>
CC:	<arnd@...db.de>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <pinskia@...il.com>,
	<Prasun.Kapoor@...iumnetworks.com>, <schwab@...e.de>,
	<Nathan_Lynch@...tor.com>, <agraf@...e.de>,
	<klimov.linux@...il.com>, <broonie@...nel.org>,
	<jan.dakinevich@...il.com>, <ddaney.cavm@...il.com>,
	<bamvor.zhangjian@...wei.com>,
	<philipp.tomsich@...obroma-systems.com>,
	<andrey.konovalov@...aro.org>, <joseph@...esourcery.com>,
	<christoph.muellner@...obroma-systems.com>
Subject: Re: [RFC2 PATCH v6 00/19] ILP32 for ARM64

On Thu, Dec 03, 2015 at 05:59:55PM +0000, Catalin Marinas wrote:
> On Wed, Nov 18, 2015 at 12:16:40AM +0300, Yury Norov wrote:
> >  - 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;
> 
> I already asked in one of the patches, don't you need a VDSO for
> sigreturn?
> 

I didn't realise it's mandatory for ARMv8 when removed it. I'll back
it, but I think rework required anyway.

> 
> Have you run any AArch32 LTP with these patches? The results should also
> be included in your table above.
> 

The full regression table is:
		ILP32		LP64            AARCH32 (v4.3 & v4.3 + ILP32)

float_bessel    FAIL	 134    PASSED	0       PASSED	0
float_exp_log   FAIL	 134    PASSED	0       PASSED	0
float_iperb     FAIL	 134    PASSED	0       PASSED	0
float_power     FAIL	 134    PASSED	0       PASSED	0
float_trigo     FAIL	 134    PASSED	0       PASSED	0
abort01         FAIL       2    FAIL 	2       FAIL 	2
fcntl14         FAIL       2    FAIL 	2       PASSED	0
kill11          FAIL       2    FAIL 	2       FAIL 	2
mmap16          FAIL       6    PASSED	0       PASSED	0
open12          FAIL       2    PASSED	0       PASSED	0
pause01         PASSED     0    FAIL 	9       FAIL 	9
pipe07          FAIL       2    PASSED	0       PASSED	0
readdir01       FAIL       1    PASSED	0       PASSED	0
rename11        FAIL       2    PASSED	0       PASSED	0
rmdir02         FAIL       2    PASSED	0       PASSED	0
setregid02      FAIL       1    FAIL 	1       PASSED	0
settimeofday01  FAIL       1    FAIL 	1       FAIL 	5
umount2_01      FAIL       2    PASSED	0       PASSED	0
umount2_02      FAIL       2    PASSED	0       PASSED	0
umount2_03      FAIL       2    PASSED	0       PASSED	0
utime06         FAIL       2    PASSED	0       PASSED	0

Fortunately, there's no aarch32 regression. Note that pause01 and
setregid02 are not stable. 

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