Mailing List Archive

[PATCH v3 01/25] Move cpufreq option parsing to cpufreq.c
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 9e355c8..6505572 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


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