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| author | Robert Richter <robert.richter@amd.com> | 2009-06-03 19:09:27 +0200 |
|---|---|---|
| committer | Robert Richter <robert.richter@amd.com> | 2009-06-11 20:12:57 +0200 |
| commit | 95e74e62c1540b1115fe8cec5b592f22960f2bb2 (patch) | |
| tree | c9f821446c4e50642b29cf0618168ba839ff7735 /arch/x86/oprofile | |
| parent | x86/oprofile: use 64 bit wrmsr functions (diff) | |
| download | linux-95e74e62c1540b1115fe8cec5b592f22960f2bb2.tar.xz linux-95e74e62c1540b1115fe8cec5b592f22960f2bb2.zip | |
x86/oprofile: use 64 bit values to save MSR states
This patch removes struct op_saved_msr and replaces it by an u64
variable. This makes code easier and it is possible to use 64 bit MSR
functions.
Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'arch/x86/oprofile')
| -rw-r--r-- | arch/x86/oprofile/nmi_int.c | 28 | ||||
| -rw-r--r-- | arch/x86/oprofile/op_x86_model.h | 9 |
2 files changed, 10 insertions, 27 deletions
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index 388ee15e0e42..3b84b789de0b 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -78,19 +78,13 @@ static void nmi_cpu_save_registers(struct op_msrs *msrs) unsigned int i; for (i = 0; i < nr_ctrs; ++i) { - if (counters[i].addr) { - rdmsr(counters[i].addr, - counters[i].saved.low, - counters[i].saved.high); - } + if (counters[i].addr) + rdmsrl(counters[i].addr, counters[i].saved); } for (i = 0; i < nr_ctrls; ++i) { - if (controls[i].addr) { - rdmsr(controls[i].addr, - controls[i].saved.low, - controls[i].saved.high); - } + if (controls[i].addr) + rdmsrl(controls[i].addr, controls[i].saved); } } @@ -204,19 +198,13 @@ static void nmi_restore_registers(struct op_msrs *msrs) unsigned int i; for (i = 0; i < nr_ctrls; ++i) { - if (controls[i].addr) { - wrmsr(controls[i].addr, - controls[i].saved.low, - controls[i].saved.high); - } + if (controls[i].addr) + wrmsrl(controls[i].addr, controls[i].saved); } for (i = 0; i < nr_ctrs; ++i) { - if (counters[i].addr) { - wrmsr(counters[i].addr, - counters[i].saved.low, - counters[i].saved.high); - } + if (counters[i].addr) + wrmsrl(counters[i].addr, counters[i].saved); } } diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h index 69f1eb46e1b3..fda52b4c1b95 100644 --- a/arch/x86/oprofile/op_x86_model.h +++ b/arch/x86/oprofile/op_x86_model.h @@ -15,14 +15,9 @@ #include <asm/types.h> #include <asm/intel_arch_perfmon.h> -struct op_saved_msr { - unsigned int high; - unsigned int low; -}; - struct op_msr { - unsigned long addr; - struct op_saved_msr saved; + unsigned long addr; + u64 saved; }; struct op_msrs { |