From: Joel Fernandes <joel@joelfernandes.org>
To: Paul Walmsley <paul.walmsley@sifive.com>
Cc: linux-kernel@vger.kernel.org, Palmer Dabbelt <palmer@sifive.com>,
"Paul E. McKenney" <paulmck@linux.ibm.com>,
rcu@vger.kernel.org, linux-riscv@lists.infradead.org
Subject: Re: [PATCH -rcu/dev] Please squash: fixup! rcu/tree: Add basic support for kfree_rcu() batching
Date: Sat, 17 Aug 2019 00:43:08 -0400 [thread overview]
Message-ID: <20190817044308.GA139754@google.com> (raw)
In-Reply-To: <alpine.DEB.2.21.9999.1908162131490.18249@viisi.sifive.com>
On Fri, Aug 16, 2019 at 09:38:54PM -0700, Paul Walmsley wrote:
> On Sat, 17 Aug 2019, Joel Fernandes (Google) wrote:
>
> > xchg() on a bool is causing issues on riscv and arm32.
>
> Indeed, it seems best not to use xchg() on any type that's not 32 bits
> long or that's not the CPU's native word size. Probably we should update
> the documentation.
I would endorse any such documentation effort ;-)
> > Please squash this into the -rcu dev branch to resolve the issue.
> >
> > Please squash this fix.
> >
> > Fixes: -rcu dev commit 3cbd3aa7d9c7bdf ("rcu/tree: Add basic support for kfree_rcu() batching")
> >
> > Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
>
> Link: https://lore.kernel.org/lkml/alpine.DEB.2.21.9999.1908161931110.32497@viisi.sifive.com/T/#me9956f66cb611b95d26ae92700e1d901f46e8c59
> Reviewed-by: Paul Walmsley <paul.walmsley@sifive.com>
Thanks Paul! And nice to meet you again after many years ;-) Glad to see you
working on riscv.
thanks,
- Joel
next prev parent reply other threads:[~2019-08-17 4:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-17 4:22 [PATCH -rcu/dev] Please squash: fixup! rcu/tree: Add basic support for kfree_rcu() batching Joel Fernandes (Google)
2019-08-17 4:38 ` Paul Walmsley
2019-08-17 4:43 ` Joel Fernandes [this message]
2019-08-17 21:42 ` Paul E. McKenney
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