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From: Paul Burton <>
To: Vincenzo Frascino <>
Subject: Re: [PATCH] mips: Fix gettimeofday() in the vdso library
Date: Mon, 02 Dec 2019 11:48:19 -0800
Message-ID: <> (raw)
In-Reply-To: <>


Vincenzo Frascino wrote:
> The libc provides a discovery mechanism for vDSO library and its
> symbols. When a symbol is not exposed by the vDSOs the libc falls back
> on the system calls.
> With the introduction of the unified vDSO library on mips this behavior
> is not honored anymore by the kernel in the case of gettimeofday().
> The issue has been noticed and reported due to a dhclient failure on the
> CI20 board:
> root@letux:~# dhclient
> ../../../../lib/isc/unix/time.c:200: Operation not permitted
> root@letux:~#
> Restore the original behavior fixing gettimeofday() in the vDSO library.

Applied to mips-fixes.

> commit 7d2aa4bb90f5
> Reported-by: H. Nikolaus Schaller <>
> Tested-by: H. Nikolaus Schaller <> # CI20 with JZ4780
> Signed-off-by: Vincenzo Frascino <>
> Signed-off-by: Paul Burton <>


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Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-29 14:36 Vincenzo Frascino
2019-11-29 14:52 ` H. Nikolaus Schaller
2019-11-29 14:58   ` Vincenzo Frascino
2019-11-29 15:09     ` H. Nikolaus Schaller
2019-12-02 19:48 ` Paul Burton [this message]

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