From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Ben Hutchings <ben.hutchings@codethink.co.uk>
Cc: Borislav Petkov <bp@suse.de>, Hugh Dickins <hughd@google.com>,
stable@vger.kernel.org
Subject: Re: [PATCH 4.4] vsyscall: Fix permissions for emulate mode with KAISER/PTI
Date: Fri, 26 Jan 2018 17:37:48 +0100 [thread overview]
Message-ID: <20180126163748.GB19313@kroah.com> (raw)
In-Reply-To: <20180126162302.ei4tmiltl73npmr6@xylophone.i.decadent.org.uk>
On Fri, Jan 26, 2018 at 04:23:02PM +0000, Ben Hutchings wrote:
> The backport of KAISER to 4.4 turned vsyscall emulate mode into native
> mode. Add a vsyscall_pgprot variable to hold the correct page
> protections, like Borislav and Hugh did for 3.2 and 3.18.
>
> Cc: Borislav Petkov <bp@suse.de>
> Cc: Hugh Dickins <hughd@google.com>
> Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
> ---
> I think this is also needed for 4.9 but haven't tested there.
Yeah, looks like 4.9 also needs this. Thanks a lot for this, I didn't
think to look at the older backports recently.
greg k-h
next prev parent reply other threads:[~2018-01-26 16:37 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-26 16:23 [PATCH 4.4] vsyscall: Fix permissions for emulate mode with KAISER/PTI Ben Hutchings
2018-01-26 16:37 ` Greg Kroah-Hartman [this message]
2018-01-26 20:23 ` Hugh Dickins
2018-01-28 12:13 ` Greg Kroah-Hartman
2018-01-28 20:27 ` Hugh Dickins
2018-01-26 16:38 ` Patch "vsyscall: Fix permissions for emulate mode with KAISER/PTI" has been added to the 4.4-stable tree gregkh
2018-01-26 16:38 ` Patch "vsyscall: Fix permissions for emulate mode with KAISER/PTI" has been added to the 4.9-stable tree gregkh
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