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SubjectRe: [PATCH 20/27] ACPICA: Tables: Fix invalid pointer accesses in acpi_tb_parse_root_table().
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On Monday, May 05, 2014 08:42:46 AM Josh Boyer wrote:
> On Mon, May 5, 2014 at 12:23 AM, Zheng, Lv <lv.zheng@intel.com> wrote:
> > Hi, Rafael
> >
> >> From: linux-acpi-owner@vger.kernel.org [mailto:linux-acpi-owner@vger.kernel.org] On Behalf Of Rafael J. Wysocki
> >> Sent: Monday, May 05, 2014 8:43 AM
> >>
> >> On Saturday, May 03, 2014 08:59:14 AM Josh Boyer wrote:
> >> > On Tue, Apr 29, 2014 at 10:05 PM, Lv Zheng <lv.zheng@intel.com> wrote:
> >> > > The commit of back porting Linux XSDT validation mechanism has introduced
> >> > > a regreession:
> >> > > Commit: 671cc68dc61f029d44b43a681356078e02d8dab8
> >> > > Subject: ACPICA: Back port and refine validation of the XSDT root table.
> >> > > There is a pointer still accessed after unmapping.
> >> > >
> >> > > This patch fixes this issue. Lv Zheng.
> >> > >
> >> > > Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=73911
> >> > > Buglink: https://bugs.archlinux.org/task/39811
> >> > > Signed-off-by: Lv Zheng <lv.zheng@intel.com>
> >> > > Reported-and-tested-by: Bruce Chiarelli <mano155@gmail.com>
> >> > > Reported-and-tested-by: Spyros Stathopoulos <spystath@gmail.com>
> >> > > Signed-off-by: Bob Moore <robert.moore@intel.com>
> >> > > Cc: <stable@vger.kernel.org> # 3.14.x: 671cc68: ACPICA: Back port and refine validation of the XSDT root table.
> >> >
> >> > This patch should get into 3.15-rcX soon. It fixes a known regression
> >> > that prevents booting on machines with AMI firmware, and that is
> >> > present in 3.14 so we need it for stable as well. Rafael?
> >>
> >> Lv, is it safe to take this patch alone into 3.15-rc?
> >
> > Yes, it's safe to only take this patch to be a regression fix.
>
> FWIW, Fedora is carrying this on top of 3.14.2 already, and people
> with the impacted machines say it's working for them. So I agree it
> should be safe.
>
> Thanks to the both of you.

OK, queued up for 3.15, thanks!

--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.


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