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powerpc/perf: init pmu from core-book3s

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Currenty pmu driver file for each ppc64 generation processor
has a __init call in itself. Refactor the code by moving the
__init call to core-books.c. This also clean's up compat mode
pmu driver registration.

Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
[mpe: Use SPDX tag for license]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Madhavan Srinivasan 2019-04-04 17:24:49 +05:30 committed by Michael Ellerman
parent 1e496391a8
commit 708597daf2
9 changed files with 46 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
arch/powerpc/perf/core-book3s.c
View File

@ -22,6 +22,10 @@
#include <asm/ptrace.h>
#include <asm/code-patching.h>
#ifdef CONFIG_PPC64
#include "internal.h"
#endif
#define BHRB_MAX_ENTRIES 32
#define BHRB_TARGET 0x0000000000000002
#define BHRB_PREDICTION 0x0000000000000001
@ -2294,3 +2298,27 @@ int register_power_pmu(struct power_pmu *pmu)
power_pmu_prepare_cpu, NULL);
return 0;
}
#ifdef CONFIG_PPC64
static int __init init_ppc64_pmu(void)
{
/* run through all the pmu drivers one at a time */
if (!init_power5_pmu())
return 0;
else if (!init_power5p_pmu())
return 0;
else if (!init_power6_pmu())
return 0;
else if (!init_power7_pmu())
return 0;
else if (!init_power8_pmu())
return 0;
else if (!init_power9_pmu())
return 0;
else if (!init_ppc970_pmu())
return 0;
else
return -ENODEV;
}
early_initcall(init_ppc64_pmu);
#endif

11
arch/powerpc/perf/internal.h Normal file
View File

@ -0,0 +1,11 @@
// SPDX-License-Identifier: GPL-2.0+
//
// Copyright 2019 Madhavan Srinivasan, IBM Corporation.
extern int init_ppc970_pmu(void);
extern int init_power5_pmu(void);
extern int init_power5p_pmu(void);
extern int init_power6_pmu(void);
extern int init_power7_pmu(void);
extern int init_power8_pmu(void);
extern int init_power9_pmu(void);

4
arch/powerpc/perf/power5+-pmu.c
View File

@ -677,7 +677,7 @@ static struct power_pmu power5p_pmu = {
.cache_events = &power5p_cache_events,
};
static int __init init_power5p_pmu(void)
int init_power5p_pmu(void)
{
if (!cur_cpu_spec->oprofile_cpu_type ||
(strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power5+")
@ -686,5 +686,3 @@ static int __init init_power5p_pmu(void)
return register_power_pmu(&power5p_pmu);
}
early_initcall(init_power5p_pmu);

4
arch/powerpc/perf/power5-pmu.c
View File

@ -618,7 +618,7 @@ static struct power_pmu power5_pmu = {
.flags = PPMU_HAS_SSLOT,
};
static int __init init_power5_pmu(void)
int init_power5_pmu(void)
{
if (!cur_cpu_spec->oprofile_cpu_type ||
strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power5"))
@ -626,5 +626,3 @@ static int __init init_power5_pmu(void)
return register_power_pmu(&power5_pmu);
}
early_initcall(init_power5_pmu);

4
arch/powerpc/perf/power6-pmu.c
View File

@ -540,7 +540,7 @@ static struct power_pmu power6_pmu = {
.cache_events = &power6_cache_events,
};
static int __init init_power6_pmu(void)
int init_power6_pmu(void)
{
if (!cur_cpu_spec->oprofile_cpu_type ||
strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power6"))
@ -548,5 +548,3 @@ static int __init init_power6_pmu(void)
return register_power_pmu(&power6_pmu);
}
early_initcall(init_power6_pmu);

4
arch/powerpc/perf/power7-pmu.c
View File

@ -445,7 +445,7 @@ static struct power_pmu power7_pmu = {
.cache_events = &power7_cache_events,
};
static int __init init_power7_pmu(void)
int init_power7_pmu(void)
{
if (!cur_cpu_spec->oprofile_cpu_type ||
strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power7"))
@ -456,5 +456,3 @@ static int __init init_power7_pmu(void)
return register_power_pmu(&power7_pmu);
}
early_initcall(init_power7_pmu);

3
arch/powerpc/perf/power8-pmu.c
View File

@ -379,7 +379,7 @@ static struct power_pmu power8_pmu = {
.bhrb_nr = 32,
};
static int __init init_power8_pmu(void)
int init_power8_pmu(void)
{
int rc;
@ -399,4 +399,3 @@ static int __init init_power8_pmu(void)
return 0;
}
early_initcall(init_power8_pmu);

3
arch/powerpc/perf/power9-pmu.c
View File

@ -437,7 +437,7 @@ static struct power_pmu power9_pmu = {
.bhrb_nr = 32,
};
static int __init init_power9_pmu(void)
int init_power9_pmu(void)
{
int rc = 0;
unsigned int pvr = mfspr(SPRN_PVR);
@ -467,4 +467,3 @@ static int __init init_power9_pmu(void)
return 0;
}
early_initcall(init_power9_pmu);

4
arch/powerpc/perf/ppc970-pmu.c
View File

@ -490,7 +490,7 @@ static struct power_pmu ppc970_pmu = {
.flags = PPMU_NO_SIPR | PPMU_NO_CONT_SAMPLING,
};
static int __init init_ppc970_pmu(void)
int init_ppc970_pmu(void)
{
if (!cur_cpu_spec->oprofile_cpu_type ||
(strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/970")
@ -499,5 +499,3 @@ static int __init init_ppc970_pmu(void)
return register_power_pmu(&ppc970_pmu);
}
early_initcall(init_ppc970_pmu);