linux-kernel - Re: [PATCH v17 0/10] Add 32 bit VDSO time function support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sun, 16 Feb 2014 08:13:09 +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 v17 0/10] Add 32 bit VDSO time function support

Am Samstag, den 15.02.2014, 20:14 -0800 schrieb H. Peter Anvin:
> On 02/15/2014 08:32 AM, Stefani Seibold wrote:
> > This patch add the functions vdso_gettimeofday(), vdso_clock_gettime()
> > and vdso_time() to the 32 bit VDSO.
> 
> x86-64 allyesconfig:
> 
>   AS      arch/x86/vdso/vdso32/int80.o
> /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
> 
> 
> My patience is wearing really thin.  If I get another patchset that
> doesn't compile in allyesconfig, allmodconfig, allnoconfig and defconfig
> on both i386 and x86-64, I will put this patchset at the very bottom of
> my priority list.
> 
> I strongly suggest also installing sparse and compiling with C=1 and
> fixing all *those* warnings.
> 
> 

I am sorry to stress you patience, but i did not realized what you expected.

I will run with C=1 and fix all warnings.

- Stefani


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/