From: Marc Zyngier <marc.zyngier@arm.com>
To: Robin Murphy <robin.murphy@arm.com>,
robh+dt@kernel.org, frowand.list@gmail.com,
grant.likely@linaro.org, devicetree@vger.kernel.org
Cc: mark.rutland@arm.com, david.daney@cavium.com,
stuart.yoder@nxp.com, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] of/irq: Fix msi-map calculation for nonzero rid-base
Date: Thu, 11 Feb 2016 11:04:26 +0000 [thread overview]
Message-ID: <56BC6ABA.5020605@arm.com> (raw)
In-Reply-To: <9f6845195d03b0e0b0d187bb510fbf7bd497e836.1455015344.git.robin.murphy@arm.com>
On 09/02/16 11:04, Robin Murphy wrote:
> The existing msi-map code is fine for shifting the entire RID space
> upwards, but attempting finer-grained remapping reveals a bug. It turns
> out that we are mistakenly treating the msi-base part as an offset, not
> as a new base to remap onto, so things get squiffy when rid-base is
> nonzero. Fix this, and at the same time add a sanity check against
> having msi-map-mask clash with a nonzero rid-base, as that's another
> thing one can easily get wrong.
>
> CC: <stable@vger.kernel.org>
> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Rob, Frank,
Are you willing to take this one through the OF tree? Or should we route
it through the IRQ tree? It'd be good if it make it into 4.5.
Thanks,
M.
--
Jazz is not dead. It just smells funny...
next prev parent reply other threads:[~2016-02-11 11:04 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-09 11:04 [PATCH] of/irq: Fix msi-map calculation for nonzero rid-base Robin Murphy
2016-02-09 12:06 ` Marc Zyngier
2016-02-09 15:56 ` Stuart Yoder
2016-02-09 16:08 ` Mark Rutland
2016-02-09 16:17 ` Robin Murphy
2016-02-09 18:19 ` Mark Rutland
2016-02-09 16:53 ` Stuart Yoder
2016-02-09 17:03 ` David Daney
[not found] ` <9f6845195d03b0e0b0d187bb510fbf7bd497e836.1455015344.git.robin.murphy-5wv7dgnIgG8@public.gmane.org>
2016-02-09 18:12 ` Stuart Yoder
2016-02-11 11:04 ` Marc Zyngier [this message]
2016-02-11 18:10 ` Frank Rowand
[not found] ` <56BC6ABA.5020605-5wv7dgnIgG8@public.gmane.org>
2016-02-11 23:15 ` Rob Herring
[not found] ` <CAL_JsqLScMdfUAtMPDGWphc_PZp4K-c0MfjRZh9G7=A9pLZu9Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-02-12 8:32 ` Marc Zyngier
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=56BC6ABA.5020605@arm.com \
--to=marc.zyngier@arm.com \
--cc=david.daney@cavium.com \
--cc=devicetree@vger.kernel.org \
--cc=frowand.list@gmail.com \
--cc=grant.likely@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=robh+dt@kernel.org \
--cc=robin.murphy@arm.com \
--cc=stable@vger.kernel.org \
--cc=stuart.yoder@nxp.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).