From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Christoph Lameter <cl@linux.com>
Cc: willy@infradead.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, penberg@kernel.org, rientjes@google.com,
iamjoonsoo.kim@lge.com, akpm@linux-foundation.org
Subject: Re: [PATCH RFC] mm: Rename SLAB_DESTROY_BY_RCU to SLAB_TYPESAFE_BY_RCU
Date: Sun, 22 Jan 2017 16:46:57 -0800 [thread overview]
Message-ID: <20170123004657.GT5238@linux.vnet.ibm.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1701181758030.27439@east.gentwo.org>
On Wed, Jan 18, 2017 at 06:00:24PM -0600, Christoph Lameter wrote:
> On Wed, 18 Jan 2017, Paul E. McKenney wrote:
>
> > Actually, slab is using RCU to provide type safety to those slab users
> > who request it.
>
> Typesafety is a side effect. The main idea here is that the object can
> still be accessed in RCU sections after another processor frees the
> object. We guarantee that the object is not freed but it may be reused
> for another object within the RCU period.
>
> Can we have a name that expresses all of that properly?
But of course!!! "Type safety". http://wiki.c2.com/?TypeSafe
Thanx, Paul
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WARNING: multiple messages have this Message-ID (diff)
From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Christoph Lameter <cl@linux.com>
Cc: willy@infradead.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, penberg@kernel.org, rientjes@google.com,
iamjoonsoo.kim@lge.com, akpm@linux-foundation.org
Subject: Re: [PATCH RFC] mm: Rename SLAB_DESTROY_BY_RCU to SLAB_TYPESAFE_BY_RCU
Date: Sun, 22 Jan 2017 16:46:57 -0800 [thread overview]
Message-ID: <20170123004657.GT5238@linux.vnet.ibm.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1701181758030.27439@east.gentwo.org>
On Wed, Jan 18, 2017 at 06:00:24PM -0600, Christoph Lameter wrote:
> On Wed, 18 Jan 2017, Paul E. McKenney wrote:
>
> > Actually, slab is using RCU to provide type safety to those slab users
> > who request it.
>
> Typesafety is a side effect. The main idea here is that the object can
> still be accessed in RCU sections after another processor frees the
> object. We guarantee that the object is not freed but it may be reused
> for another object within the RCU period.
>
> Can we have a name that expresses all of that properly?
But of course!!! "Type safety". http://wiki.c2.com/?TypeSafe
Thanx, Paul
next prev parent reply other threads:[~2017-01-23 0:47 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-18 11:07 [PATCH RFC] mm: Rename SLAB_DESTROY_BY_RCU to SLAB_TYPESAFE_BY_RCU Paul E. McKenney
2017-01-18 11:07 ` Paul E. McKenney
2017-01-18 11:12 ` willy
2017-01-18 11:12 ` willy
2017-01-18 22:17 ` Paul E. McKenney
2017-01-18 22:17 ` Paul E. McKenney
2017-01-19 0:00 ` Christoph Lameter
2017-01-19 0:00 ` Christoph Lameter
2017-01-23 0:46 ` Paul E. McKenney [this message]
2017-01-23 0:46 ` Paul E. McKenney
2017-01-25 16:45 ` Christoph Lameter
2017-01-25 16:45 ` Christoph Lameter
2017-01-25 17:04 ` Eric Dumazet
2017-01-25 17:04 ` Eric Dumazet
2017-01-25 20:07 ` Paul E. McKenney
2017-01-25 20:07 ` Paul E. McKenney
2017-01-25 22:46 ` Eric Dumazet
2017-01-25 22:46 ` Eric Dumazet
2017-01-25 23:05 ` Paul E. McKenney
2017-01-25 23:05 ` Paul E. McKenney
2017-01-25 20:25 ` Johannes Weiner
2017-01-25 20:25 ` Johannes Weiner
2017-01-25 21:26 ` Vlastimil Babka
2017-01-25 21:26 ` Vlastimil Babka
2017-01-25 22:35 ` Paul E. McKenney
2017-01-25 22:35 ` Paul E. McKenney
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