From: Vineet.Gupta1@synopsys.com (Vineet Gupta)
To: linux-snps-arc@lists.infradead.org
Subject: Build failures in -next due to 'locking/atomic, arch/arc: Implement atomic_fetch_{add,sub,and,andnot,or,xor}()'
Date: Fri, 17 Jun 2016 17:36:11 +0200 [thread overview]
Message-ID: <576418EB.5090607@synopsys.com> (raw)
In-Reply-To: <20160617152208.GX30154@twins.programming.kicks-ass.net>
On Friday 17 June 2016 05:22 PM, Peter Zijlstra wrote:
> Question; why does atomic_read() have a full memory clobber on arc?
>
> Will thinks its because you don't use a memory constraint for *v.
So that is only for CONFIG_ARC_PLAT_EZNPS and very liekly not needed. Although NPS
has some design constraints which Noam knows of better !
WARNING: multiple messages have this Message-ID (diff)
From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Noam Camus <noamca@mellanox.com>,
Guenter Roeck <linux@roeck-us.net>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
<linux-snps-arc@lists.infradead.org>,
Ingo Molnar <mingo@kernel.org>,
"Will Deacon" <will.deacon@arm.com>,
Gilad Ben Yossef <giladby@mellanox.com>
Subject: Re: Build failures in -next due to 'locking/atomic, arch/arc: Implement atomic_fetch_{add,sub,and,andnot,or,xor}()'
Date: Fri, 17 Jun 2016 17:36:11 +0200 [thread overview]
Message-ID: <576418EB.5090607@synopsys.com> (raw)
In-Reply-To: <20160617152208.GX30154@twins.programming.kicks-ass.net>
On Friday 17 June 2016 05:22 PM, Peter Zijlstra wrote:
> Question; why does atomic_read() have a full memory clobber on arc?
>
> Will thinks its because you don't use a memory constraint for *v.
So that is only for CONFIG_ARC_PLAT_EZNPS and very liekly not needed. Although NPS
has some design constraints which Noam knows of better !
next prev parent reply other threads:[~2016-06-17 15:36 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-17 14:36 Build failures in -next due to 'locking/atomic, arch/arc: Implement atomic_fetch_{add,sub,and,andnot,or,xor}()' Guenter Roeck
2016-06-17 14:36 ` Guenter Roeck
2016-06-17 14:39 ` Peter Zijlstra
2016-06-17 14:39 ` Peter Zijlstra
2016-06-17 14:41 ` Peter Zijlstra
2016-06-17 14:41 ` Peter Zijlstra
2016-06-17 14:52 ` Guenter Roeck
2016-06-17 14:52 ` Guenter Roeck
2016-06-17 15:00 ` Vineet Gupta
2016-06-17 15:00 ` Vineet Gupta
2016-06-17 15:22 ` Peter Zijlstra
2016-06-17 15:22 ` Peter Zijlstra
2016-06-17 15:36 ` Vineet Gupta [this message]
2016-06-17 15:36 ` Vineet Gupta
2016-06-17 16:04 ` Ingo Molnar
2016-06-17 16:04 ` Ingo Molnar
2016-06-17 16:13 ` Peter Zijlstra
2016-06-17 16:13 ` Peter Zijlstra
2016-06-17 20:22 ` Vineet Gupta
2016-06-17 20:22 ` Vineet Gupta
2016-06-17 21:27 ` Guenter Roeck
2016-06-17 21:27 ` Guenter Roeck
2016-06-18 7:05 ` Peter Zijlstra
2016-06-18 7:05 ` Peter Zijlstra
2016-06-18 10:17 ` cross compilers [was build failure of sorts] Peter Zijlstra
2016-06-18 10:17 ` Peter Zijlstra
2016-06-21 5:29 ` Vineet Gupta
2016-06-21 5:29 ` Vineet Gupta
2016-06-21 7:43 ` Peter Zijlstra
2016-06-21 7:43 ` Peter Zijlstra
2016-06-21 9:28 ` Vineet Gupta
2016-06-21 9:28 ` Vineet Gupta
2016-06-21 9:45 ` Peter Zijlstra
2016-06-21 9:45 ` Peter Zijlstra
2016-06-21 9:59 ` Vineet Gupta
2016-06-21 9:59 ` Vineet Gupta
2016-06-21 10:04 ` Peter Zijlstra
2016-06-21 10:04 ` Peter Zijlstra
2016-06-22 10:04 ` Build failures in -next due to 'locking/atomic, arch/arc: Implement atomic_fetch_{add,sub,and,andnot,or,xor}()' Vineet Gupta
2016-06-22 10:04 ` Vineet Gupta
2016-06-22 10:24 ` Peter Zijlstra
2016-06-22 10:24 ` Peter Zijlstra
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