From: "Maciej W. Rozycki" <macro@linux-mips.org>
To: Alexandre Oliva <lxoliva@fsfla.org>
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>, Tom Li <tomli@tomli.me>,
James Hogan <jhogan@kernel.org>,
Jiaxun Yang <jiaxun.yang@flygoat.com>,
Huacai Chen <chenhc@lemote.com>,
Ralf Baechle <ralf@linux-mips.org>,
linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC] On the Current Troubles of Mainlining Loongson Platform Drivers
Date: Fri, 8 Mar 2019 23:56:03 +0000 (GMT) [thread overview]
Message-ID: <alpine.LFD.2.21.1903082347330.31648@eddie.linux-mips.org> (raw)
In-Reply-To: <orwolaw5u1.fsf@lxoliva.fsfla.org>
On Thu, 7 Mar 2019, Alexandre Oliva wrote:
> > Does your platform use `war_io_reorder_wmb'?
>
> Err... I'm not sure I understand your question.
>
> It uses it in __BUILD_IOPORT_SINGLE within the expanded out function,
> given !barrier, but you already knew that.
>
> Did you mean to ask what war_io_reorder_wmb expand to, or whether there
> are other uses of war_io_reorder_wmb, or what?
Umm, my question was ill-formed, sorry. There's a convoluted history
recorded for that macro in the repo and it could be that it can be removed
now that we have proper barriers in place, except possibly to avoid the
Octeon Errata Core-301 (whatever that is).
Anyway I meant: does `war_io_reorder_wmb' expand to `wmb' on your system?
Maciej
next prev parent reply other threads:[~2019-03-08 23:56 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-08 8:30 [RFC] On the Current Troubles of Mainlining Loongson Platform Drivers Tom Li
2019-02-08 20:08 ` Paul Burton
2019-02-09 10:11 ` Tom Li
2019-02-09 19:38 ` Paul Burton
2019-02-11 12:13 ` Alexandre Oliva
2019-02-11 12:55 ` Tom Li
2019-02-11 22:38 ` Alexandre Oliva
2019-02-11 23:06 ` Aaro Koskinen
2019-02-12 4:39 ` tomli
2019-02-16 23:39 ` Alexandre Oliva
2019-02-17 4:59 ` Alexandre Oliva
2019-02-17 23:59 ` Aaro Koskinen
2019-02-18 1:37 ` Alexandre Oliva
2019-02-18 2:41 ` Maciej W. Rozycki
2019-03-07 6:41 ` Alexandre Oliva
2019-03-07 17:59 ` Maciej W. Rozycki
2019-03-08 0:46 ` Alexandre Oliva
2019-03-08 23:56 ` Maciej W. Rozycki [this message]
2019-05-26 9:19 ` Alexandre Oliva
2019-06-10 21:49 ` Aaro Koskinen
2019-06-12 5:55 ` Maciej W. Rozycki
2019-06-12 19:24 ` Aaro Koskinen
2020-01-23 0:20 ` Matt Turner
2020-01-24 18:58 ` Aaro Koskinen
2019-03-07 20:21 ` Aaro Koskinen
2019-03-07 21:22 ` Alexandre Oliva
2019-02-17 4:41 ` Alexandre Oliva
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