RE: [PATCH 1/3] arc: vdk: Disable halt on reset

[Alexey Brodkin]

Hi Vineet,

> -----Original Message-----
> From: Vineet Gupta [mailto:vgupta@xxxxxxxxxxxx]
> Sent: Wednesday, February 1, 2017 10:56 PM
> To: Alexey Brodkin <Alexey.Brodkin@xxxxxxxxxxxx>
> Cc: Ruud Derwig <rderwig@xxxxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx;
> linux-snps-arc@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [PATCH 1/3] arc: vdk: Disable halt on reset
> 
> On 02/01/2017 09:52 AM, Alexey Brodkin wrote:
> >> The whole point of adding this to defconfig is to override the default from
> Kconfig ?
> > Not anymore :)
> >
> > Since commit c4c9a040ecb7 ("clocksource: import ARC timer driver"),
> > see
> > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/
> > ?id=c4c9a040ecb7297e011e579f5a9cc280e42d725f
> > we have this:
> > ---------------------->8----------------------
> > config ISA_ARCV2
> > 	bool "ARC ISA v2"
> > 	select ARC_TIMERS_64BIT
> > ---------------------->8----------------------
> >
> > which really means if one selects ISA_ARCV2 then ARC_TIMERS_64BIT gets
> > selected automatically and there's no way to override it from either
> menuconfig or defconfig.
> 
> Bummer - this means VDK based off 4.9+ kernel might be affected with nsim
> GFRC issue !

One note here - I think it only affects 4.10+ kernels.

-Aexey