[Letux-kernel] [PATCH] mips: Fix gettimeofday() in the vdso library

Vincenzo Frascino vincenzo.frascino at arm.com
Fri Nov 29 15:58:52 CET 2019

On 11/29/19 2:52 PM, H. Nikolaus Schaller wrote:
>> Am 29.11.2019 um 15:36 schrieb Vincenzo Frascino <vincenzo.frascino at arm.com>:
>> 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 at letux:~# dhclient
>> ../../../../lib/isc/unix/time.c:200: Operation not permitted
>> root at letux:~#
>> Restore the original behavior fixing gettimeofday() in the vDSO library.
>> Cc: Paul Burton <paulburton at kernel.org>
>> Reported-by: H. Nikolaus Schaller <hns at goldelico.com>
>> Testes-by: H. Nikolaus Schaller <hns at goldelico.com> # CI20 with JZ4780
> ^^^ funny typo... -> Tested-by:

Ops, I copy-pasted it from your email ;) Can't trust you ;)


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