diff options
| author | Robert Richter <robert.richter@amd.com> | 2009-05-22 19:47:38 +0200 |
|---|---|---|
| committer | Robert Richter <robert.richter@amd.com> | 2009-06-11 19:42:11 +0200 |
| commit | 74c9a5c341bb1f6cbb5095b07c77230f19682ce8 (patch) | |
| tree | 9299c89bb9bd7efabea7b603c86d0b9d13592c0a /arch/x86/oprofile/op_model_ppro.c | |
| parent | d2731a4387ad6c6bca07abfe9ed41d450fb6d665 (diff) | |
| download | linux-74c9a5c341bb1f6cbb5095b07c77230f19682ce8.tar.gz linux-74c9a5c341bb1f6cbb5095b07c77230f19682ce8.tar.xz | |
x86/oprofile: remove MSR macros for ppro cpus
The macros CTRL_READ() and CTRL_WRITE() make the code hard to read and
maintain. This patch replaces them by rdmsr()/wrmsr() functions and
simplifies the code.
Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'arch/x86/oprofile/op_model_ppro.c')
| -rw-r--r-- | arch/x86/oprofile/op_model_ppro.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c index a922a1a815c3..6c5d288c566e 100644 --- a/arch/x86/oprofile/op_model_ppro.c +++ b/arch/x86/oprofile/op_model_ppro.c @@ -27,9 +27,6 @@ static int num_counters = 2; static int counter_width = 32; #define CTR_OVERFLOWED(n) (!((n) & (1ULL<<(counter_width-1)))) - -#define CTRL_READ(l, h, msrs, c) do {rdmsr((msrs->controls[(c)].addr), (l), (h)); } while (0) -#define CTRL_WRITE(l, h, msrs, c) do {wrmsr((msrs->controls[(c)].addr), (l), (h)); } while (0) #define CTRL_CLEAR(x) (x &= (1<<21)) #define CTRL_SET_EVENT(val, e) (val |= e) @@ -88,9 +85,9 @@ static void ppro_setup_ctrs(struct op_msrs const * const msrs) for (i = 0 ; i < num_counters; ++i) { if (unlikely(!CTRL_IS_RESERVED(msrs, i))) continue; - CTRL_READ(low, high, msrs, i); + rdmsr(msrs->controls[i].addr, low, high); CTRL_CLEAR(low); - CTRL_WRITE(low, high, msrs, i); + wrmsr(msrs->controls[i].addr, low, high); } /* avoid a false detection of ctr overflows in NMI handler */ @@ -107,14 +104,14 @@ static void ppro_setup_ctrs(struct op_msrs const * const msrs) wrmsrl(msrs->counters[i].addr, -reset_value[i]); - CTRL_READ(low, high, msrs, i); + rdmsr(msrs->controls[i].addr, low, high); CTRL_CLEAR(low); CTRL_SET_ENABLE(low); CTRL_SET_USR(low, counter_config[i].user); CTRL_SET_KERN(low, counter_config[i].kernel); CTRL_SET_UM(low, counter_config[i].unit_mask); CTRL_SET_EVENT(low, counter_config[i].event); - CTRL_WRITE(low, high, msrs, i); + wrmsr(msrs->controls[i].addr, low, high); } else { reset_value[i] = 0; } @@ -162,9 +159,9 @@ static void ppro_start(struct op_msrs const * const msrs) return; for (i = 0; i < num_counters; ++i) { if (reset_value[i]) { - CTRL_READ(low, high, msrs, i); + rdmsr(msrs->controls[i].addr, low, high); CTRL_SET_ACTIVE(low); - CTRL_WRITE(low, high, msrs, i); + wrmsr(msrs->controls[i].addr, low, high); } } } @@ -180,9 +177,9 @@ static void ppro_stop(struct op_msrs const * const msrs) for (i = 0; i < num_counters; ++i) { if (!reset_value[i]) continue; - CTRL_READ(low, high, msrs, i); + rdmsr(msrs->controls[i].addr, low, high); CTRL_SET_INACTIVE(low); - CTRL_WRITE(low, high, msrs, i); + wrmsr(msrs->controls[i].addr, low, high); } } |