From: Greg KH <gregkh@linuxfoundation.org>
To: Alex Shi <alex.shi@linaro.org>
Cc: stable@vger.kernel.org, lkft-maintainers@lists.linaro.org,
Russell King - ARM Linux <linux@armlinux.org.uk>
Subject: Re: patches fix ftracetest hang on arm
Date: Tue, 12 Dec 2017 09:25:06 +0100 [thread overview]
Message-ID: <20171212082506.GD22935@kroah.com> (raw)
In-Reply-To: <34f17b45-99fd-e588-a3fb-89430e33ee1d@linaro.org>
On Mon, Dec 11, 2017 at 11:04:05AM +0800, Alex Shi wrote:
> Hi All,
>
> BUG if we attempt to return to userspace but the to-be-restored PSR
> value keeps us in privileged mode (defeating an issue that ftracetest
> found).
>
> Fixing patches are following, apply top down on LTS *v4.14/4.9/4.4*
> They are tested by lkft and kernelci build/boot, no regression found.
>
> 8bafae202c82 ARM: BUG if jumping to usermode address in kernel mode
> 3aaf33bebda8 ARM: avoid faulting on qemu
Thanks for these, now queued up.
greg k-h
prev parent reply other threads:[~2017-12-12 8:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-11 3:04 patches fix ftracetest hang on arm Alex Shi
2017-12-12 8:25 ` Greg KH [this message]
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