[PATCH v4 01/25] Move cpufreq option parsing to cpufreq.c

[<stefano.stabellini@eu.citrix.com>]

From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
---
 xen/common/domain.c           |   35 ++---------------------------------
 xen/drivers/cpufreq/cpufreq.c |   31 +++++++++++++++++++++++++++++++
 xen/include/xen/domain.h      |    2 ++
 3 files changed, 35 insertions(+), 33 deletions(-)

diff --git a/xen/common/domain.c b/xen/common/domain.c
index 52a63ef..1100517 100644
--- a/xen/common/domain.c
+++ b/xen/common/domain.c
@@ -31,8 +31,8 @@
 #include <xen/grant_table.h>
 #include <xen/xenoprof.h>
 #include <xen/irq.h>
-#include <acpi/cpufreq/cpufreq.h>
 #include <asm/debugger.h>
+#include <asm/processor.h>
 #include <public/sched.h>
 #include <public/sysctl.h>
 #include <public/vcpu.h>
@@ -45,40 +45,9 @@
 unsigned int xen_processor_pmbits = XEN_PROCESSOR_PM_PX;
 
 /* opt_dom0_vcpus_pin: If true, dom0 VCPUs are pinned. */
-static bool_t opt_dom0_vcpus_pin;
+bool_t opt_dom0_vcpus_pin;
 boolean_param("dom0_vcpus_pin", opt_dom0_vcpus_pin);
 
-/* set xen as default cpufreq */
-enum cpufreq_controller cpufreq_controller = FREQCTL_xen;
-
-static void __init setup_cpufreq_option(char *str)
-{
-    char *arg;
-
-    if ( !strcmp(str, "dom0-kernel") )
-    {
-        xen_processor_pmbits &= ~XEN_PROCESSOR_PM_PX;
-        cpufreq_controller = FREQCTL_dom0_kernel;
-        opt_dom0_vcpus_pin = 1;
-        return;
-    }
-
-    if ( !strcmp(str, "none") )
-    {
-        xen_processor_pmbits &= ~XEN_PROCESSOR_PM_PX;
-        cpufreq_controller = FREQCTL_none;
-        return;
-    }
-
-    if ( (arg = strpbrk(str, ",:")) != NULL )
-        *arg++ = '\0';
-
-    if ( !strcmp(str, "xen") )
-        if ( arg && *arg )
-            cpufreq_cmdline_parse(arg);
-}
-custom_param("cpufreq", setup_cpufreq_option);
-
 /* Protect updates/reads (resp.) of domain_list and domain_hash. */
 DEFINE_SPINLOCK(domlist_update_lock);
 DEFINE_RCU_READ_LOCK(domlist_read_lock);
diff --git a/xen/drivers/cpufreq/cpufreq.c b/xen/drivers/cpufreq/cpufreq.c
index f49ea1c..34ea2a9 100644
--- a/xen/drivers/cpufreq/cpufreq.c
+++ b/xen/drivers/cpufreq/cpufreq.c
@@ -61,6 +61,37 @@ static LIST_HEAD_READ_MOSTLY(cpufreq_dom_list_head);
 struct cpufreq_governor *__read_mostly cpufreq_opt_governor;
 LIST_HEAD_READ_MOSTLY(cpufreq_governor_list);
 
+/* set xen as default cpufreq */
+enum cpufreq_controller cpufreq_controller = FREQCTL_xen;
+
+static void __init setup_cpufreq_option(char *str)
+{
+    char *arg;
+
+    if ( !strcmp(str, "dom0-kernel") )
+    {
+        xen_processor_pmbits &= ~XEN_PROCESSOR_PM_PX;
+        cpufreq_controller = FREQCTL_dom0_kernel;
+        opt_dom0_vcpus_pin = 1;
+        return;
+    }
+
+    if ( !strcmp(str, "none") )
+    {
+        xen_processor_pmbits &= ~XEN_PROCESSOR_PM_PX;
+        cpufreq_controller = FREQCTL_none;
+        return;
+    }
+
+    if ( (arg = strpbrk(str, ",:")) != NULL )
+        *arg++ = '\0';
+
+    if ( !strcmp(str, "xen") )
+        if ( arg && *arg )
+            cpufreq_cmdline_parse(arg);
+}
+custom_param("cpufreq", setup_cpufreq_option);
+
 bool_t __read_mostly cpufreq_verbose;
 
 struct cpufreq_governor *__find_governor(const char *governor)
diff --git a/xen/include/xen/domain.h b/xen/include/xen/domain.h
index 765e132..de3e8db 100644
--- a/xen/include/xen/domain.h
+++ b/xen/include/xen/domain.h
@@ -85,4 +85,6 @@ int continue_hypercall_on_cpu(
 
 extern unsigned int xen_processor_pmbits;
 
+extern bool_t opt_dom0_vcpus_pin;
+
 #endif /* __XEN_DOMAIN_H__ */
-- 
1.7.2.5