linux-kernel - Re: [PATCH v15 0/10] Add 32 bit VDSO time function support

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Message-ID: <1392364081.1034.6.camel@wall-e.seibold.net>
Date:	Fri, 14 Feb 2014 08:48:01 +0100
From:	Stefani Seibold <stefani@...bold.net>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
	x86@...nel.org, tglx@...utronix.de, mingo@...hat.com,
	ak@...ux.intel.com, aarcange@...hat.com, john.stultz@...aro.org,
	luto@...capital.net, xemul@...allels.com, gorcunov@...nvz.org,
	andriy.shevchenko@...ux.intel.com, Martin.Runge@...de-schwarz.com,
	Andreas.Brief@...de-schwarz.com
Subject: Re: [PATCH v15 0/10] Add 32 bit VDSO time function support

Am Donnerstag, den 13.02.2014, 22:47 -0800 schrieb H. Peter Anvin:
> Hi,
> 
> I tried this patchset, but it fails to compile on i386 "make allyesconfig".
> 
> 	-hpa
> 

I tried "make allyseconfig" on my i386, but the resulting config will
always set CONFIG_X86_64=y, so it fails with

scripts/mod/empty.c:1:0: error: CPU you selected does not support x86-64
instruction set

Setting to CONFIG_X86_32 by hand will allow to compile but fails in
vclock_gettime.c, because CONFIG_PARAVIRT_CLOCK is not supported for by
a 32 bit VDSO.

PARAVIRT_CLOCK and getcpu is an other topic which is not addressed by
this patch set.

I will do a patch to fix this.

- Stefani

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