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authorKeir Fraser <keir.fraser@citrix.com>2009-10-28 10:54:50 +0000
committerKeir Fraser <keir.fraser@citrix.com>2009-10-28 10:54:50 +0000
commita8b1845a784516e51266e9f33fc3fe5b1e2790d5 (patch)
treee057fa606799edf4f4fd4af58b5b351ead338549 /xen/arch/x86/oprofile
parent0a7e9c30b5554194b7b3c80ab751f13df0f7607f (diff)
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Miscellaneous data placement adjustments
Make various data items const or __read_mostly where possible/reasonable. Signed-off-by: Jan Beulich <jbeulich@novell.com>
Diffstat (limited to 'xen/arch/x86/oprofile')
-rw-r--r--xen/arch/x86/oprofile/nmi_int.c2
-rw-r--r--xen/arch/x86/oprofile/op_model_p4.c4
-rw-r--r--xen/arch/x86/oprofile/op_model_ppro.c4
3 files changed, 5 insertions, 5 deletions
diff --git a/xen/arch/x86/oprofile/nmi_int.c b/xen/arch/x86/oprofile/nmi_int.c
index e827e90e1e..98f66f66c5 100644
--- a/xen/arch/x86/oprofile/nmi_int.c
+++ b/xen/arch/x86/oprofile/nmi_int.c
@@ -29,7 +29,7 @@
struct op_counter_config counter_config[OP_MAX_COUNTER];
-static struct op_x86_model_spec const * model;
+static struct op_x86_model_spec const *__read_mostly model;
static struct op_msrs cpu_msrs[NR_CPUS];
static unsigned long saved_lvtpc[NR_CPUS];
diff --git a/xen/arch/x86/oprofile/op_model_p4.c b/xen/arch/x86/oprofile/op_model_p4.c
index 54404fc860..b554a76f77 100644
--- a/xen/arch/x86/oprofile/op_model_p4.c
+++ b/xen/arch/x86/oprofile/op_model_p4.c
@@ -109,7 +109,7 @@ static int p4_unused_cccr[NUM_UNUSED_CCCRS] = {
/* p4 event codes in libop/op_event.h are indices into this table. */
-static struct p4_event_binding p4_events[NUM_EVENTS] = {
+static const struct p4_event_binding p4_events[NUM_EVENTS] = {
{ /* BRANCH_RETIRED */
0x05, 0x06,
@@ -485,7 +485,7 @@ static void pmc_setup_one_p4_counter(unsigned int ctr)
unsigned int escr = 0;
unsigned int high = 0;
unsigned int counter_bit;
- struct p4_event_binding *ev = NULL;
+ const struct p4_event_binding *ev = NULL;
unsigned int stag;
stag = get_stagger();
diff --git a/xen/arch/x86/oprofile/op_model_ppro.c b/xen/arch/x86/oprofile/op_model_ppro.c
index 1e50345e9f..112824c14c 100644
--- a/xen/arch/x86/oprofile/op_model_ppro.c
+++ b/xen/arch/x86/oprofile/op_model_ppro.c
@@ -309,7 +309,7 @@ void arch_perfmon_setup_counters(void)
op_ppro_spec.num_controls = num_counters;
}
-struct op_x86_model_spec op_ppro_spec = {
+struct op_x86_model_spec __read_mostly op_ppro_spec = {
.num_counters = 2,
.num_controls = 2,
.fill_in_addresses = &ppro_fill_in_addresses,
@@ -324,7 +324,7 @@ struct op_x86_model_spec op_ppro_spec = {
.save_msr = &ppro_save_msr
};
-struct op_x86_model_spec op_arch_perfmon_spec = {
+struct op_x86_model_spec __read_mostly op_arch_perfmon_spec = {
/* num_counters/num_controls filled in at runtime */
.fill_in_addresses = &ppro_fill_in_addresses,
.setup_ctrs = &ppro_setup_ctrs,