On 06/25/2018 02:11 PM, Alexey Brodkin wrote:
>> OK ?
> Sure, care to update the commit log or want me to resend?
I've fixed this up locally and removed a bunch of compile warnings as well.
-Vineet
___
linux-snps-arc mailing list
linux-snps-arc@lists.i
Hi Vineet,
On Mon, 2018-06-25 at 13:03 -0700, Vineet Gupta wrote:
> On 06/19/2018 07:22 AM, Alexey Brodkin wrote:
> > From: Peter Zijlstra
> >
> > arc_usr_cmpxchg syscall is supposed to be used on platforms
> > that lack support of Load-Locked/Store-Conditional instructions
> > in hardware. And
On 06/19/2018 07:22 AM, Alexey Brodkin wrote:
> From: Peter Zijlstra
>
> arc_usr_cmpxchg syscall is supposed to be used on platforms
> that lack support of Load-Locked/Store-Conditional instructions
> in hardware. And in that case we mimic missing hardware features
> with help of kernel's sycall t
From: Peter Zijlstra
arc_usr_cmpxchg syscall is supposed to be used on platforms
that lack support of Load-Locked/Store-Conditional instructions
in hardware. And in that case we mimic missing hardware features
with help of kernel's sycall that "atomically" checks current
value in memory and then