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Diffstat (limited to 'arch/ia64/kernel/perfmon.c')
-rw-r--r--arch/ia64/kernel/perfmon.c46
1 files changed, 25 insertions, 21 deletions
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 410d4804fa6e..9c5194b385da 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -38,7 +38,9 @@
#include <linux/pagemap.h>
#include <linux/mount.h>
#include <linux/bitops.h>
+#include <linux/capability.h>
#include <linux/rcupdate.h>
+#include <linux/completion.h>
#include <asm/errno.h>
#include <asm/intrinsics.h>
@@ -285,7 +287,7 @@ typedef struct pfm_context {
unsigned long ctx_ovfl_regs[4]; /* which registers overflowed (notification) */
- struct semaphore ctx_restart_sem; /* use for blocking notification mode */
+ struct completion ctx_restart_done; /* use for blocking notification mode */
unsigned long ctx_used_pmds[4]; /* bitmask of PMD used */
unsigned long ctx_all_pmds[4]; /* bitmask of all accessible PMDs */
@@ -627,9 +629,11 @@ static int pfm_write_ibr_dbr(int mode, pfm_context_t *ctx, void *arg, int count,
#include "perfmon_itanium.h"
#include "perfmon_mckinley.h"
+#include "perfmon_montecito.h"
#include "perfmon_generic.h"
static pmu_config_t *pmu_confs[]={
+ &pmu_conf_mont,
&pmu_conf_mck,
&pmu_conf_ita,
&pmu_conf_gen, /* must be last */
@@ -1709,7 +1713,7 @@ static void
pfm_syswide_force_stop(void *info)
{
pfm_context_t *ctx = (pfm_context_t *)info;
- struct pt_regs *regs = ia64_task_regs(current);
+ struct pt_regs *regs = task_pt_regs(current);
struct task_struct *owner;
unsigned long flags;
int ret;
@@ -1814,7 +1818,7 @@ pfm_flush(struct file *filp)
is_system = ctx->ctx_fl_system;
task = PFM_CTX_TASK(ctx);
- regs = ia64_task_regs(task);
+ regs = task_pt_regs(task);
DPRINT(("ctx_state=%d is_current=%d\n",
state,
@@ -1944,7 +1948,7 @@ pfm_close(struct inode *inode, struct file *filp)
is_system = ctx->ctx_fl_system;
task = PFM_CTX_TASK(ctx);
- regs = ia64_task_regs(task);
+ regs = task_pt_regs(task);
DPRINT(("ctx_state=%d is_current=%d\n",
state,
@@ -1988,7 +1992,7 @@ pfm_close(struct inode *inode, struct file *filp)
/*
* force task to wake up from MASKED state
*/
- up(&ctx->ctx_restart_sem);
+ complete(&ctx->ctx_restart_done);
DPRINT(("waking up ctx_state=%d\n", state));
@@ -2703,7 +2707,7 @@ pfm_context_create(pfm_context_t *ctx, void *arg, int count, struct pt_regs *reg
/*
* init restart semaphore to locked
*/
- sema_init(&ctx->ctx_restart_sem, 0);
+ init_completion(&ctx->ctx_restart_done);
/*
* activation is used in SMP only
@@ -3684,7 +3688,7 @@ pfm_restart(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
*/
if (CTX_OVFL_NOBLOCK(ctx) == 0 && state == PFM_CTX_MASKED) {
DPRINT(("unblocking [%d] \n", task->pid));
- up(&ctx->ctx_restart_sem);
+ complete(&ctx->ctx_restart_done);
} else {
DPRINT(("[%d] armed exit trap\n", task->pid));
@@ -4051,7 +4055,7 @@ pfm_stop(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
*/
ia64_psr(regs)->up = 0;
} else {
- tregs = ia64_task_regs(task);
+ tregs = task_pt_regs(task);
/*
* stop monitoring at the user level
@@ -4133,7 +4137,7 @@ pfm_start(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
ia64_psr(regs)->up = 1;
} else {
- tregs = ia64_task_regs(ctx->ctx_task);
+ tregs = task_pt_regs(ctx->ctx_task);
/*
* start monitoring at the kernel level the next
@@ -4403,7 +4407,7 @@ pfm_context_load(pfm_context_t *ctx, void *arg, int count, struct pt_regs *regs)
/*
* when not current, task MUST be stopped, so this is safe
*/
- regs = ia64_task_regs(task);
+ regs = task_pt_regs(task);
/* force a full reload */
ctx->ctx_last_activation = PFM_INVALID_ACTIVATION;
@@ -4529,7 +4533,7 @@ pfm_context_unload(pfm_context_t *ctx, void *arg, int count, struct pt_regs *reg
/*
* per-task mode
*/
- tregs = task == current ? regs : ia64_task_regs(task);
+ tregs = task == current ? regs : task_pt_regs(task);
if (task == current) {
/*
@@ -4592,7 +4596,7 @@ pfm_exit_thread(struct task_struct *task)
{
pfm_context_t *ctx;
unsigned long flags;
- struct pt_regs *regs = ia64_task_regs(task);
+ struct pt_regs *regs = task_pt_regs(task);
int ret, state;
int free_ok = 0;
@@ -4925,7 +4929,7 @@ restart_args:
if (unlikely(ret)) goto abort_locked;
skip_fd:
- ret = (*func)(ctx, args_k, count, ia64_task_regs(current));
+ ret = (*func)(ctx, args_k, count, task_pt_regs(current));
call_made = 1;
@@ -5049,7 +5053,7 @@ pfm_handle_work(void)
pfm_clear_task_notify();
- regs = ia64_task_regs(current);
+ regs = task_pt_regs(current);
/*
* extract reason for being here and clear
@@ -5086,7 +5090,7 @@ pfm_handle_work(void)
* may go through without blocking on SMP systems
* if restart has been received already by the time we call down()
*/
- ret = down_interruptible(&ctx->ctx_restart_sem);
+ ret = wait_for_completion_interruptible(&ctx->ctx_restart_done);
DPRINT(("after block sleeping ret=%d\n", ret));
@@ -5793,7 +5797,7 @@ pfm_syst_wide_update_task(struct task_struct *task, unsigned long info, int is_c
* on every CPU, so we can rely on the pid to identify the idle task.
*/
if ((info & PFM_CPUINFO_EXCL_IDLE) == 0 || task->pid) {
- regs = ia64_task_regs(task);
+ regs = task_pt_regs(task);
ia64_psr(regs)->pp = is_ctxswin ? dcr_pp : 0;
return;
}
@@ -5876,7 +5880,7 @@ pfm_save_regs(struct task_struct *task)
flags = pfm_protect_ctx_ctxsw(ctx);
if (ctx->ctx_state == PFM_CTX_ZOMBIE) {
- struct pt_regs *regs = ia64_task_regs(task);
+ struct pt_regs *regs = task_pt_regs(task);
pfm_clear_psr_up();
@@ -6076,7 +6080,7 @@ pfm_load_regs (struct task_struct *task)
BUG_ON(psr & IA64_PSR_I);
if (unlikely(ctx->ctx_state == PFM_CTX_ZOMBIE)) {
- struct pt_regs *regs = ia64_task_regs(task);
+ struct pt_regs *regs = task_pt_regs(task);
BUG_ON(ctx->ctx_smpl_hdr);
@@ -6445,7 +6449,7 @@ pfm_alt_save_pmu_state(void *data)
{
struct pt_regs *regs;
- regs = ia64_task_regs(current);
+ regs = task_pt_regs(current);
DPRINT(("called\n"));
@@ -6471,7 +6475,7 @@ pfm_alt_restore_pmu_state(void *data)
{
struct pt_regs *regs;
- regs = ia64_task_regs(current);
+ regs = task_pt_regs(current);
DPRINT(("called\n"));
@@ -6753,7 +6757,7 @@ dump_pmu_state(const char *from)
local_irq_save(flags);
this_cpu = smp_processor_id();
- regs = ia64_task_regs(current);
+ regs = task_pt_regs(current);
info = PFM_CPUINFO_GET();
dcr = ia64_getreg(_IA64_REG_CR_DCR);
generated by cgit v1.2.3 (git 2.0.4) at 2024-07-10 21:26:15 +0000