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Commit c17c8fbf authored by Robert Richter's avatar Robert Richter
Browse files

oprofile/x86: use kzalloc() instead of kmalloc() 



Cc: stable@kernel.org
Signed-off-by: default avatarRobert Richter <robert.richter@amd.com>
parent 68dc819c

arch/x86/oprofile/nmi_int.c

+3 −3
Original line number Diff line number Diff line
@@ -159,7 +159,7 @@ static int nmi_setup_mux(void) 


	for_each_possible_cpu(i) {

		per_cpu(cpu_msrs, i).multiplex =

			kmalloc(multiplex_size, GFP_KERNEL);

			kzalloc(multiplex_size, GFP_KERNEL);

		if (!per_cpu(cpu_msrs, i).multiplex)

			return 0;

	}
@@ -304,11 +304,11 @@ static int allocate_msrs(void) 


	int i;

	for_each_possible_cpu(i) {

		per_cpu(cpu_msrs, i).counters = kmalloc(counters_size,

		per_cpu(cpu_msrs, i).counters = kzalloc(counters_size,

							GFP_KERNEL);

		if (!per_cpu(cpu_msrs, i).counters)

			return 0;

		per_cpu(cpu_msrs, i).controls = kmalloc(controls_size,

		per_cpu(cpu_msrs, i).controls = kzalloc(controls_size,

							GFP_KERNEL);

		if (!per_cpu(cpu_msrs, i).controls)

			return 0;

arch/x86/oprofile/op_model_amd.c

+0 −4
Original line number Diff line number Diff line
@@ -147,15 +147,11 @@ static void op_amd_fill_in_addresses(struct op_msrs * const msrs) 
	for (i = 0; i < NUM_COUNTERS; i++) {

		if (reserve_perfctr_nmi(MSR_K7_PERFCTR0 + i))

			msrs->counters[i].addr = MSR_K7_PERFCTR0 + i;

		else

			msrs->counters[i].addr = 0;

	}



	for (i = 0; i < NUM_CONTROLS; i++) {

		if (reserve_evntsel_nmi(MSR_K7_EVNTSEL0 + i))

			msrs->controls[i].addr = MSR_K7_EVNTSEL0 + i;

		else

			msrs->controls[i].addr = 0;

	}

}

arch/x86/oprofile/op_model_p4.c

+0 −6
Original line number Diff line number Diff line
@@ -394,12 +394,6 @@ static void p4_fill_in_addresses(struct op_msrs * const msrs) 
	setup_num_counters();

	stag = get_stagger();



	/* initialize some registers */

	for (i = 0; i < num_counters; ++i)

		msrs->counters[i].addr = 0;

	for (i = 0; i < num_controls; ++i)

		msrs->controls[i].addr = 0;



	/* the counter & cccr registers we pay attention to */

	for (i = 0; i < num_counters; ++i) {

		addr = p4_counters[VIRT_CTR(stag, i)].counter_address;

arch/x86/oprofile/op_model_ppro.c

+1 −5
Original line number Diff line number Diff line
@@ -37,15 +37,11 @@ static void ppro_fill_in_addresses(struct op_msrs * const msrs) 
	for (i = 0; i < num_counters; i++) {

		if (reserve_perfctr_nmi(MSR_P6_PERFCTR0 + i))

			msrs->counters[i].addr = MSR_P6_PERFCTR0 + i;

		else

			msrs->counters[i].addr = 0;

	}



	for (i = 0; i < num_counters; i++) {

		if (reserve_evntsel_nmi(MSR_P6_EVNTSEL0 + i))

			msrs->controls[i].addr = MSR_P6_EVNTSEL0 + i;

		else

			msrs->controls[i].addr = 0;

	}

}
@@ -57,7 +53,7 @@ static void ppro_setup_ctrs(struct op_x86_model_spec const *model, 
	int i;



	if (!reset_value) {

		reset_value = kmalloc(sizeof(reset_value[0]) * num_counters,

		reset_value = kzalloc(sizeof(reset_value[0]) * num_counters,

					GFP_ATOMIC);

		if (!reset_value)

			return;