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From: Nathan Lynch <nathanl@linux.ibm.com>
To: Christophe Leroy <christophe.leroy@c-s.fr>
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 10:56:56 -0600	[thread overview]
Message-ID: <871rrzjq5j.fsf@linux.ibm.com> (raw)
In-Reply-To: <0eddeeb64c97b8b5ce0abd74e88d2cc0303e49c6.1579090596.git.christophe.leroy@c-s.fr>

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?

  reply	other threads:[~2020-01-16 16:58 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 [this message]
2020-01-16 17:59   ` Christophe Leroy
2020-04-07 16:11   ` Christophe Leroy
2020-04-13 16:05     ` Nathan Lynch

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