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Date: Mon, 08 Jul 2013 15:10:40 +0200 From: "Rafael J. Wysocki" <rjw@...k.pl> To: Ben Guthro <benjamin.guthro@...rix.com> Cc: Bob Moore <robert.moore@...el.com>, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>, Jan Beulich <jbeulich@...e.com>, linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org, xen-devel@...ts.xen.org, Shane Wang <shane.wang@...el.com>, tboot-devel@...ts.sourceforge.net, Richard L Maliszewski <richard.l.maliszewski@...el.com>, Gang Wei <gang.wei@...el.com> Subject: Re: [Xen-devel] [PATCH v6 0/5] Xen/ACPI: support sleep state entering on hardware reduced systems On Sunday, July 07, 2013 08:13:15 PM Ben Guthro wrote: > On Mon, Jul 1, 2013 at 7:48 AM, Ben Guthro <benjamin.guthro@...rix.com> wrote: > > In version 3.4 acpi_os_prepare_sleep() got introduced in parallel with > > reduced hardware sleep support, and the two changes didn't get > > synchronized: The new code doesn't call the hook function (if so > > requested). Fix this, requiring a boolean parameter to be added to the > > hook function to distinguish "extended" from "legacy" sleep. > > > > This requires adjusting TXT, but the adjustments only go as far as > > failing the extended mode call (since, looking at the TXT interface, > > there doesn't even appear to be precautions to deal with that > > alternative interface). > > > > The hypervisor change underlying this is commit 62d1a69 ("ACPI: support > > v5 (reduced HW) sleep interface") on the master branch of > > git://xenbits.xen.org/xen.git. > > > > Signed-off-by: Jan Beulich <jbeulich@...e.com> > > Signed-off-by: Ben Guthro <benjamin.guthro@...rix.com> > > Cc: Richard L Maliszewski <richard.l.maliszewski@...el.com> > > Cc: Gang Wei <gang.wei@...el.com> > > Cc: Shane Wang <shane.wang@...el.com> > > Cc: Bob Moore <robert.moore@...el.com> > > Cc: Rafael J. Wysocki <rjw@...k.pl> > > Cc: linux-acpi@...r.kernel.org > > Cc: tboot-devel@...ts.sourceforge.net > > > > v2: Extend description to include reference to hypervisor side change > > v3: Split into multiple patches, separating subsystems > > Remove bool parameters, in favor of u8 > > v4: Remove linux/acpi.h dependencies > > Further patch split to break out acpica from OSL > > More bool vs u8 fixes > > v5: Fix build of consumers of acpi_os_prepare_sleep() interface change, > > so intermediate builds of partial patch series will not fail. > > v6: Rebased to linux-pm linux-next branch > > Added warning in tboot early return code > > Added Reviewed-by lines > > > > Ben Guthro (5): > > acpi: Remove need to include linux/acpi.h in common acpica code > > acpi: Call acpi_os_prepare_sleep hook in reduced hardware sleep path > > acpi/xen/tboot: Adjust linux acpi OS functions to new extended > > parameter > > x86/tboot: Fail extended mode reduced hardware sleep > > xen/acpi: notify xen when reduced hardware sleep is available > > Rafael, Bob - > > Is this version of the series something that you may consider taking? > If not - is there something specific you would like to see addressed? Well, I'm afraid you need to give us some more time to process that, sorry. Thanks, Rafael -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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