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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>
This commit is contained in:
Robert Richter 2009-06-03 19:09:27 +02:00
parent bbc5986d2d
commit 95e74e62c1
2 changed files with 10 additions and 27 deletions
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28
arch/x86/oprofile/nmi_int.c
View File

@ -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);
}
}

7
arch/x86/oprofile/op_x86_model.h
View File

@ -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;
u64 saved;
};
struct op_msrs {