linux-kernel - Re: [PATCH v16 0/10] Add 32 bit VDSO time function support

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Date:	Fri, 14 Feb 2014 14:32:51 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Stefani Seibold <stefani@...bold.net>, 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
CC:	Martin.Runge@...de-schwarz.com, Andreas.Brief@...de-schwarz.com
Subject: Re: [PATCH v16 0/10] Add 32 bit VDSO time function support

I still get build errors.

i386 allyesconfig, i386 allmodconfig as well as a more basic i386
configuration:

arch/x86/vdso/vdso32-int80.so.dbg: undefined symbols found
make[4]: *** [arch/x86/vdso/vdso32-int80.so.dbg] Error 1

x86-64 allyesconfig and x86-64 allmodconfig:

/home/hpa/kernel/distwork/arch/x86/vdso/vdso32/../vclock_gettime.c:128:4: warning:
symbol 'hpet_page' was not declared
. Should it be static?
/home/hpa/kernel/distwork/arch/x86/vdso/vdso32/../vclock_gettime.c:134:33:
warning: incorrect type in argument 1 (diff
erent address spaces)
/home/hpa/kernel/distwork/arch/x86/vdso/vdso32/../vclock_gettime.c:134:33:
   expected void const volatile [noderef] <
asn:2>*addr
/home/hpa/kernel/distwork/arch/x86/vdso/vdso32/../vclock_gettime.c:134:33:
   got unsigned char [toplevel] *
/home/hpa/kernel/distwork/arch/x86/vdso/vdso32/../vclock_gettime.c:294:13:
warning: symbol '__vdso_clock_gettime' was
not declared. Should it be static?
/home/hpa/kernel/distwork/arch/x86/vdso/vdso32/../vclock_gettime.c:322:13:
warning: symbol '__vdso_gettimeofday' was n
ot declared. Should it be static?
/home/hpa/kernel/distwork/arch/x86/vdso/vdso32/../vclock_gettime.c:343:16:
warning: symbol '__vdso_time' was not decla
red. Should it be static?
  CC      arch/x86/vdso/vdso32/vclock_gettime.o
/home/hpa/kernel/distwork/arch/x86/vdso/vdso32/vclock_gettime.c:1:0:
sorry, unimplemented: -mfentry isn’t supported fo
r 32-bit in combination with -fpic
 #define BUILD_VDSO32
 ^
make[4]: *** [arch/x86/vdso/vdso32/vclock_gettime.o] Error 1
make[3]: *** [arch/x86/vdso] Error 2
make[3]: *** Waiting for unfinished jobs....

This is after I removed the incorrect "generated/" filename prefix in
patch 9.

	-hpa

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