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

[H. Nikolaus Schaller]

> Am 29.11.2019 um 15:58 schrieb Vincenzo Frascino <vincenzo.frascino at arm.com>:
> 
> 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 ;)

No :)

Well, typos happen and nobody seems to notice. My favourite:

5f9e832c137075045d15cd6899ab0505cfb2ca4b

BR,
Nikolaus