From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Lucas Stach <l.stach@pengutronix.de>
Cc: Tony Lindgren <tony@atomide.com>,
Hauke Mehrtens <hauke@hauke-m.de>,
linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
patchwork-lst@pengutronix.de
Subject: Re: [PATCH v2 1/3] ARM: catch pending imprecise abort on unmask
Date: Thu, 15 Oct 2015 16:32:46 +0100 [thread overview]
Message-ID: <20151015153246.GH32536@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1444905142-21500-2-git-send-email-l.stach@pengutronix.de>
On Thu, Oct 15, 2015 at 12:32:20PM +0200, Lucas Stach wrote:
> Install a non-faulting handler just before unmasking imprecise aborts
> and switch back to the regular one after unmasking is done.
>
> This catches any pending imprecise abort that the firmware/bootloader
> may have left behind that would normally crash the kernel at that point.
> As there are apparently a lot of bootlaoders out there that do such a
> thing it makes sense to handle it in the common startup code.
>
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Much better. Please feel free to add it to the patch system, thanks.
I think, given that the original seems to be breaking platforms, this
patch needs to go into -rc kernels, right?
--
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.
next prev parent reply other threads:[~2015-10-15 15:32 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-15 10:32 [PATCH v2 0/3] ARM: handle imprecise aborts from firmware in common code Lucas Stach
2015-10-15 10:32 ` [PATCH v2 1/3] ARM: catch pending imprecise abort on unmask Lucas Stach
2015-10-15 15:32 ` Russell King - ARM Linux [this message]
2015-10-15 15:39 ` Tony Lindgren
2015-10-15 16:06 ` Russell King - ARM Linux
2015-10-15 16:23 ` Tony Lindgren
2015-10-16 8:21 ` Lucas Stach
2015-10-19 12:41 ` Lucas Stach
2015-10-15 10:32 ` [PATCH v2 2/3] ARM: OMAP2+: remove custom abort handler for t410 Lucas Stach
2015-11-12 13:32 ` Lucas Stach
2015-11-12 17:51 ` Tony Lindgren
2015-10-15 10:32 ` [PATCH v2 3/3] ARM: BCM5301X: remove workaround imprecise abort fault handler Lucas Stach
2015-11-25 0:01 ` Florian Fainelli
2015-10-16 19:11 ` [PATCH v2 0/3] ARM: handle imprecise aborts from firmware in common code Tyler Baker
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=20151015153246.GH32536@n2100.arm.linux.org.uk \
--to=linux@arm.linux.org.uk \
--cc=hauke@hauke-m.de \
--cc=l.stach@pengutronix.de \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-omap@vger.kernel.org \
--cc=patchwork-lst@pengutronix.de \
--cc=tony@atomide.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).