From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay1.sgi.com ([192.48.171.29]:39563 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1761532AbXKPXLF (ORCPT ); Fri, 16 Nov 2007 18:11:05 -0500 Message-Id: <20071116231104.987155995@sgi.com> References: <20071116230920.278761667@sgi.com> Date: Fri, 16 Nov 2007 15:09:32 -0800 From: Christoph Lameter Subject: [patch 12/30] cpu alloc: ACPI cstate handling conversion Content-Disposition: inline; filename=0022-cpu-alloc-ACPI-cstate-handling-conversion.patch Sender: linux-arch-owner@vger.kernel.org To: akpm@linux-foundation.org Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, David Miller , Eric Dumazet , Peter Zijlstra List-ID: Signed-off-by: Christoph Lameter --- arch/x86/kernel/acpi/cstate.c | 9 +++++---- arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 7 ++++--- drivers/acpi/processor_perflib.c | 4 ++-- 3 files changed, 11 insertions(+), 9 deletions(-) Index: linux-2.6/arch/x86/kernel/acpi/cstate.c =================================================================== --- linux-2.6.orig/arch/x86/kernel/acpi/cstate.c 2007-11-15 21:18:09.238904115 -0800 +++ linux-2.6/arch/x86/kernel/acpi/cstate.c 2007-11-15 21:25:30.499154221 -0800 @@ -87,7 +87,7 @@ int acpi_processor_ffh_cstate_probe(unsi if (reg->bit_offset != NATIVE_CSTATE_BEYOND_HALT) return -1; - percpu_entry = per_cpu_ptr(cpu_cstate_entry, cpu); + percpu_entry = CPU_PTR(cpu_cstate_entry, cpu); percpu_entry->states[cx->index].eax = 0; percpu_entry->states[cx->index].ecx = 0; @@ -138,7 +138,7 @@ void acpi_processor_ffh_cstate_enter(str unsigned int cpu = smp_processor_id(); struct cstate_entry *percpu_entry; - percpu_entry = per_cpu_ptr(cpu_cstate_entry, cpu); + percpu_entry = CPU_PTR(cpu_cstate_entry, cpu); mwait_idle_with_hints(percpu_entry->states[cx->index].eax, percpu_entry->states[cx->index].ecx); } @@ -150,13 +150,14 @@ static int __init ffh_cstate_init(void) if (c->x86_vendor != X86_VENDOR_INTEL) return -1; - cpu_cstate_entry = alloc_percpu(struct cstate_entry); + cpu_cstate_entry = CPU_ALLOC(struct cstate_entry, + GFP_KERNEL|__GFP_ZERO); return 0; } static void __exit ffh_cstate_exit(void) { - free_percpu(cpu_cstate_entry); + CPU_FREE(cpu_cstate_entry); cpu_cstate_entry = NULL; } Index: linux-2.6/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c =================================================================== --- linux-2.6.orig/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c 2007-11-15 21:18:09.246904080 -0800 +++ linux-2.6/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c 2007-11-15 21:25:30.499154221 -0800 @@ -513,7 +513,8 @@ static int __init acpi_cpufreq_early_ini { dprintk("acpi_cpufreq_early_init\n"); - acpi_perf_data = alloc_percpu(struct acpi_processor_performance); + acpi_perf_data = CPU_ALLOC(struct acpi_processor_performance, + GFP_KERNEL|__GFP_ZERO); if (!acpi_perf_data) { dprintk("Memory allocation error for acpi_perf_data.\n"); return -ENOMEM; @@ -569,7 +570,7 @@ static int acpi_cpufreq_cpu_init(struct if (!data) return -ENOMEM; - data->acpi_data = percpu_ptr(acpi_perf_data, cpu); + data->acpi_data = CPU_PTR(acpi_perf_data, cpu); drv_data[cpu] = data; if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) @@ -782,7 +783,7 @@ static void __exit acpi_cpufreq_exit(voi cpufreq_unregister_driver(&acpi_cpufreq_driver); - free_percpu(acpi_perf_data); + CPU_FREE(acpi_perf_data); return; } Index: linux-2.6/drivers/acpi/processor_perflib.c =================================================================== --- linux-2.6.orig/drivers/acpi/processor_perflib.c 2007-11-15 21:18:09.254904773 -0800 +++ linux-2.6/drivers/acpi/processor_perflib.c 2007-11-15 21:25:30.499154221 -0800 @@ -567,12 +567,12 @@ int acpi_processor_preregister_performan continue; } - if (!performance || !percpu_ptr(performance, i)) { + if (!performance || !CPU_PTR(performance, i)) { retval = -EINVAL; continue; } - pr->performance = percpu_ptr(performance, i); + pr->performance = CPU_PTR(performance, i); cpu_set(i, pr->performance->shared_cpu_map); if (acpi_processor_get_psd(pr)) { retval = -EINVAL; --