linux-kernel - Re: [PATCH v2 1/2] ACPI: SPCR: Use access width to determine mmio usage

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Tue, 4 Jul 2017 09:22:51 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Loc Ho <lho@....com>, Aleksey Makarov <aleksey.makarov@...aro.org>,
        Jon Mason <jon.mason@...adcom.com>,
        Jon Masters <jcm@...hat.com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        Robert Moore <robert.moore@...el.com>, Lv <lv.zheng@...el.com>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "devel@...ica.org" <devel@...ica.org>,
        Broadcom Kernel List <bcm-kernel-feedback-list@...adcom.com>,
        patches@....com
Subject: Re: [PATCH v2 1/2] ACPI: SPCR: Use access width to determine mmio
 usage

On Mon, Jul 03, 2017 at 11:44:30PM +0200, Rafael J. Wysocki wrote:
> On Mon, Jul 3, 2017 at 11:33 PM, Loc Ho <lho@....com> wrote:
> > The current SPCR code does not check the access width of the mmio, and
> > uses a default of 8bit register accesses.  This prevents devices that
> > only do 16 or 32bit register accesses from working.  By simply checking
> > this field and setting the mmio string appropriately, this issue can be
> > corrected.  To prevent any legacy issues, the code will default to 8bit
> > accesses if the value is anything but 16 or 32.
> >
> > Signed-off-by: Loc Ho <lho@....com>
> > [Re-send as single patch set]
> > Signed-off-by: Jon Mason <jon.mason@...adcom.com>
> 
> Greg, Aleksey, any objections here?
> 
> If not, I'll route this through the ACPI tree.

No objections from me for either of these patches:
	Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>