linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
Cc: linux-stable <stable@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Corentin Labbe <clabbe@baylibre.com>,
	"khilman@baylibre.com" <khilman@baylibre.com>,
	"linux-snps-arc@lists.infradead.org" 
	<linux-snps-arc@lists.infradead.org>,
	Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>,
	Vineet Gupta <Vineet.Gupta1@synopsys.com>
Subject: Re: [PATCH v2 2/2] ARC: enable uboot support unconditionally
Date: Fri, 2 Aug 2019 09:40:53 +0200	[thread overview]
Message-ID: <20190802074053.GE26174@kroah.com> (raw)
In-Reply-To: <CY4PR1201MB0120530B12273DDC5B06D823A1C80@CY4PR1201MB0120.namprd12.prod.outlook.com>

On Thu, Jul 18, 2019 at 08:51:23PM +0000, Alexey Brodkin wrote:
> Hi Greg,
> 
> > -----Original Message-----
> > From: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
> > Sent: Thursday, February 14, 2019 6:08 PM
> > To: linux-snps-arc@lists.infradead.org; Vineet Gupta <vgupta@synopsys.com>
> > Cc: linux-kernel@vger.kernel.org; Alexey Brodkin <abrodkin@synopsys.com>; Corentin Labbe
> > <clabbe@baylibre.com>; khilman@baylibre.com; Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
> > Subject: [PATCH v2 2/2] ARC: enable uboot support unconditionally
> > 
> > After reworking U-boot args handling code and adding paranoid
> > arguments check we can eliminate CONFIG_ARC_UBOOT_SUPPORT and
> > enable uboot support unconditionally.
> > 
> > For JTAG case we can assume that core registers will come up
> > reset value of 0 or in worst case we rely on user passing
> > '-on=clear_regs' to Metaware debugger.
> > 
> > Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
> 
> May we have this one back-ported to linux-4.19.y?
> 
> It was initially applied to Linus' tree during 5.0 development
> cycle [1] but was never back-ported.
> 
> Now w/o that patch in KernelCI we see boot failure on ARC HSDK
> board [2] as opposed to normally working later kernel versions.
> 
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=493a2f812446e92bcb1e69a77381b4d39808d730
> [2] https://storage.kernelci.org/stable/linux-4.19.y/v4.19.59/arc/hsdk_defconfig/gcc-8/lab-baylibre/boot-hsdk.txt
> 
> Below is that same patch but rebased on linux-4.19 as in its pristine
> form it won't apply due to offset of one of hunks.

Why is this patch ok for stable kernel trees?  Are you not removing
existing support in 4.19 for a feature that people might be using there?
What bug is this fixing that requires this removal?

thanks,

greg k-h

  reply	other threads:[~2019-08-02  7:40 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-14 15:07 [PATCH v2 0/2] ARC: rework U-boot arguments handling Eugeniy Paltsev
2019-02-14 15:07 ` [PATCH v2 1/2] ARC: U-boot: check arguments paranoidly Eugeniy Paltsev
2019-02-15 23:55   ` Vineet Gupta
2019-02-14 15:07 ` [PATCH v2 2/2] ARC: enable uboot support unconditionally Eugeniy Paltsev
2019-07-18 20:51   ` Alexey Brodkin
2019-08-02  7:40     ` Greg Kroah-Hartman [this message]
2019-08-02 16:25       ` Alexey Brodkin
2019-08-05 11:17         ` Greg Kroah-Hartman
2019-02-15 11:12 ` [PATCH v2 0/2] ARC: rework U-boot arguments handling LABBE Corentin

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=20190802074053.GE26174@kroah.com \
    --to=gregkh@linuxfoundation.org \
    --cc=Alexey.Brodkin@synopsys.com \
    --cc=Eugeniy.Paltsev@synopsys.com \
    --cc=Vineet.Gupta1@synopsys.com \
    --cc=clabbe@baylibre.com \
    --cc=khilman@baylibre.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-snps-arc@lists.infradead.org \
    --cc=stable@vger.kernel.org \
    /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).