From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [PATCH 58/76] idle, x86: Allow off-lined CPU to enter deeper C states Date: Mon, 2 Apr 2012 13:45:57 -0400 Message-ID: <20120402174557.GA9446@phenom.dumpdata.com> References: <09f98a825a821f7a3f1b162f9ed023f37213a63b.1333101989.git.len.brown@intel.com> <1333102459-23750-1-git-send-email-lenb@kernel.org> <1a022e3f1be11730bd8747b1af96a0274bf6356e.1333101989.git.len.brown@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-acpi-owner@vger.kernel.org To: Tony Luck Cc: Len Brown , linux-acpi@vger.kernel.org, linux-pm@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Boris Ostrovsky , Len Brown List-Id: linux-pm@vger.kernel.org On Mon, Apr 02, 2012 at 10:25:27AM -0700, Tony Luck wrote: > >> + =A0 =A0 =A0 while (1) { > >> + > >> + =A0 =A0 =A0 =A0 =A0 =A0 =A0 if (cx->entry_method =3D=3D ACPI_CST= ATE_HALT) > >> + =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 halt(); >=20 > What's the intent here? I think that I can just set up a function po= inter > named "halt" on ia64 and point it to my cpu_halt() function (which lo= oks > for the deepest C-state, and then calls PAL to enter it. Is that equi= valent > to what the x86 "halt()" function does? Or use the appropiate safe_halt() which should work on IA64. >=20 > -Tony > -- > To unsubscribe from this list: send the line "unsubscribe linux-acpi"= in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html