From: Christophe Leroy <christophe.leroy@c-s.fr>
To: Nathan Lynch <nathanl@linux.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH vdsotest] Use vdso wrapper for gettimeofday()
Date: Thu, 16 Jan 2020 18:59:49 +0100 [thread overview]
Message-ID: <01e576b8-fe93-1026-5b39-f878297d6835@c-s.fr> (raw)
In-Reply-To: <871rrzjq5j.fsf@linux.ibm.com>
Le 16/01/2020 à 17:56, Nathan Lynch a écrit :
> Hi Christophe,
>
> Christophe Leroy <christophe.leroy@c-s.fr> writes:
>> To properly handle errors returned by gettimeofday(), the
>> DO_VDSO_CALL() macro has to be used, otherwise vdsotest
>> misinterpret VDSO function return on error.
>>
>> This has gone unnoticed until now because the powerpc VDSO
>> gettimeofday() always succeed, but while porting powerpc to
>> generic C VDSO, the following has been encountered:
>
> Thanks for this, I'll review it soon.
>
> Can you point me to patches for the powerpc generic vdso work?
>
Sure.
v3 is at
https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=152867
I added you in v4 destinees.
Christophe
next prev parent reply other threads:[~2020-01-16 17:59 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-15 12:19 [PATCH vdsotest] Use vdso wrapper for gettimeofday() Christophe Leroy
2020-01-16 16:56 ` Nathan Lynch
2020-01-16 17:59 ` Christophe Leroy [this message]
2020-04-07 16:11 ` Christophe Leroy
2020-04-13 16:05 ` Nathan Lynch
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