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Message-Id: <1431419243-21996-9-git-send-email-bgolaszewski@baylibre.com>
Date: Tue, 12 May 2015 10:27:22 +0200
From: Bartosz Golaszewski <bgolaszewski@...libre.com>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Viresh Kumar <viresh.kumar@...aro.org>,
Guenter Roeck <linux@...ck-us.net>,
Jean Delvare <jdelvare@...e.de>,
Fenghua Yu <fenghua.yu@...el.com>,
Benoit Cousson <bcousson@...libre.com>,
Jonathan Corbet <corbet@....net>,
Oleg Drokin <oleg.drokin@...el.com>,
Russell King <linux@....linux.org.uk>,
Catalin Marinas <catalin.marinas@....com>,
Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [RESEND][PATCH v2 8/9] x86: replace cpu_**_mask() with topology_**_cpumask()
The former duplicate the functionalities of the latter but are neither
documented nor arch-independent.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
Acked-by: Ingo Molnar <mingo@...nel.org>
---
arch/x86/kernel/cpu/proc.c | 3 ++-
arch/x86/kernel/smpboot.c | 42 ++++++++++++++++++++++--------------------
arch/x86/kernel/tsc_sync.c | 2 +-
3 files changed, 25 insertions(+), 22 deletions(-)
diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c
index e7d8c76..18ca99f 100644
--- a/arch/x86/kernel/cpu/proc.c
+++ b/arch/x86/kernel/cpu/proc.c
@@ -12,7 +12,8 @@ static void show_cpuinfo_core(struct seq_file *m, struct cpuinfo_x86 *c,
{
#ifdef CONFIG_SMP
seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
- seq_printf(m, "siblings\t: %d\n", cpumask_weight(cpu_core_mask(cpu)));
+ seq_printf(m, "siblings\t: %d\n",
+ cpumask_weight(topology_core_cpumask(cpu)));
seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
seq_printf(m, "apicid\t\t: %d\n", c->apicid);
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 50e547e..0e82096 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -314,10 +314,10 @@ topology_sane(struct cpuinfo_x86 *c, struct cpuinfo_x86 *o, const char *name)
cpu1, name, cpu2, cpu_to_node(cpu1), cpu_to_node(cpu2));
}
-#define link_mask(_m, c1, c2) \
+#define link_mask(mfunc, c1, c2) \
do { \
- cpumask_set_cpu((c1), cpu_##_m##_mask(c2)); \
- cpumask_set_cpu((c2), cpu_##_m##_mask(c1)); \
+ cpumask_set_cpu((c1), mfunc(c2)); \
+ cpumask_set_cpu((c2), mfunc(c1)); \
} while (0)
static bool match_smt(struct cpuinfo_x86 *c, struct cpuinfo_x86 *o)
@@ -398,9 +398,9 @@ void set_cpu_sibling_map(int cpu)
cpumask_set_cpu(cpu, cpu_sibling_setup_mask);
if (!has_mp) {
- cpumask_set_cpu(cpu, cpu_sibling_mask(cpu));
+ cpumask_set_cpu(cpu, topology_sibling_cpumask(cpu));
cpumask_set_cpu(cpu, cpu_llc_shared_mask(cpu));
- cpumask_set_cpu(cpu, cpu_core_mask(cpu));
+ cpumask_set_cpu(cpu, topology_core_cpumask(cpu));
c->booted_cores = 1;
return;
}
@@ -409,32 +409,34 @@ void set_cpu_sibling_map(int cpu)
o = &cpu_data(i);
if ((i == cpu) || (has_smt && match_smt(c, o)))
- link_mask(sibling, cpu, i);
+ link_mask(topology_sibling_cpumask, cpu, i);
if ((i == cpu) || (has_mp && match_llc(c, o)))
- link_mask(llc_shared, cpu, i);
+ link_mask(cpu_llc_shared_mask, cpu, i);
}
/*
* This needs a separate iteration over the cpus because we rely on all
- * cpu_sibling_mask links to be set-up.
+ * topology_sibling_cpumask links to be set-up.
*/
for_each_cpu(i, cpu_sibling_setup_mask) {
o = &cpu_data(i);
if ((i == cpu) || (has_mp && match_die(c, o))) {
- link_mask(core, cpu, i);
+ link_mask(topology_core_cpumask, cpu, i);
/*
* Does this new cpu bringup a new core?
*/
- if (cpumask_weight(cpu_sibling_mask(cpu)) == 1) {
+ if (cpumask_weight(
+ topology_sibling_cpumask(cpu)) == 1) {
/*
* for each core in package, increment
* the booted_cores for this new cpu
*/
- if (cpumask_first(cpu_sibling_mask(i)) == i)
+ if (cpumask_first(
+ topology_sibling_cpumask(i)) == i)
c->booted_cores++;
/*
* increment the core count for all
@@ -1009,8 +1011,8 @@ static __init void disable_smp(void)
physid_set_mask_of_physid(boot_cpu_physical_apicid, &phys_cpu_present_map);
else
physid_set_mask_of_physid(0, &phys_cpu_present_map);
- cpumask_set_cpu(0, cpu_sibling_mask(0));
- cpumask_set_cpu(0, cpu_core_mask(0));
+ cpumask_set_cpu(0, topology_sibling_cpumask(0));
+ cpumask_set_cpu(0, topology_core_cpumask(0));
}
enum {
@@ -1293,22 +1295,22 @@ static void remove_siblinginfo(int cpu)
int sibling;
struct cpuinfo_x86 *c = &cpu_data(cpu);
- for_each_cpu(sibling, cpu_core_mask(cpu)) {
- cpumask_clear_cpu(cpu, cpu_core_mask(sibling));
+ for_each_cpu(sibling, topology_core_cpumask(cpu)) {
+ cpumask_clear_cpu(cpu, topology_core_cpumask(sibling));
/*/
* last thread sibling in this cpu core going down
*/
- if (cpumask_weight(cpu_sibling_mask(cpu)) == 1)
+ if (cpumask_weight(topology_sibling_cpumask(cpu)) == 1)
cpu_data(sibling).booted_cores--;
}
- for_each_cpu(sibling, cpu_sibling_mask(cpu))
- cpumask_clear_cpu(cpu, cpu_sibling_mask(sibling));
+ for_each_cpu(sibling, topology_sibling_cpumask(cpu))
+ cpumask_clear_cpu(cpu, topology_sibling_cpumask(sibling));
for_each_cpu(sibling, cpu_llc_shared_mask(cpu))
cpumask_clear_cpu(cpu, cpu_llc_shared_mask(sibling));
cpumask_clear(cpu_llc_shared_mask(cpu));
- cpumask_clear(cpu_sibling_mask(cpu));
- cpumask_clear(cpu_core_mask(cpu));
+ cpumask_clear(topology_sibling_cpumask(cpu));
+ cpumask_clear(topology_core_cpumask(cpu));
c->phys_proc_id = 0;
c->cpu_core_id = 0;
cpumask_clear_cpu(cpu, cpu_sibling_setup_mask);
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c
index 2648848..dd8d079 100644
--- a/arch/x86/kernel/tsc_sync.c
+++ b/arch/x86/kernel/tsc_sync.c
@@ -113,7 +113,7 @@ static void check_tsc_warp(unsigned int timeout)
*/
static inline unsigned int loop_timeout(int cpu)
{
- return (cpumask_weight(cpu_core_mask(cpu)) > 1) ? 2 : 20;
+ return (cpumask_weight(topology_core_cpumask(cpu)) > 1) ? 2 : 20;
}
/*
--
2.1.4
--
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