stable.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Suzuki K Poulose <suzuki.poulose@arm.com>
To: stable@vger.kernel.org
Cc: mark.rutland@arm.com, catalin.marinas@arm.com, will@kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] arm64: cpufeature: Fix truncating a feature value
Date: Thu, 10 Oct 2019 12:12:01 +0100	[thread overview]
Message-ID: <ca77dec7-b29b-5a3b-0c01-047a06d1854d@arm.com> (raw)
In-Reply-To: <20191010110856.4376-1-suzuki.poulose@arm.com>

All,

On 10/10/2019 12:08, Suzuki K Poulose wrote:
> A signed feature value is truncated to turn to an unsigned value
> causing bad state in the system wide infrastructure. This affects
> the discovery of FP/ASIMD support on arm64. Fix this by making sure
> we cast it properly.
> 
> Fixes: 4f0a606bce5ec ("arm64: cpufeature: Track unsigned fields")
> Cc: stable@vger.kernel.org # v4.4

Please note that this patch is only applicable for stable 4.4 tree.
I should have removed the Fixes tag.

Cheers
Suzuki

  reply	other threads:[~2019-10-10 11:12 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-10 11:08 [PATCH] arm64: cpufeature: Fix truncating a feature value Suzuki K Poulose
2019-10-10 11:12 ` Suzuki K Poulose [this message]
2019-10-10 12:29   ` Greg KH
2019-10-10 12:46     ` Suzuki K Poulose
2019-10-10 13:16       ` Greg KH
2019-10-10 13:19     ` Suzuki K Poulose
2019-10-11  4:55       ` Greg KH
2019-10-11 10:31         ` Suzuki K Poulose
2019-10-11 12:13           ` Greg KH

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=ca77dec7-b29b-5a3b-0c01-047a06d1854d@arm.com \
    --to=suzuki.poulose@arm.com \
    --cc=catalin.marinas@arm.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=mark.rutland@arm.com \
    --cc=stable@vger.kernel.org \
    --cc=will@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).