x86/cpufeature: Replace cpu_has_tsc with boot_cpu_has() usage

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Sailer <t.sailer@alumni.ethz.ch>
Link: http://lkml.kernel.org/r/1459801503-15600-7-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index b23d557..8f58cd2 100644 (file)
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -118,7 +118,6 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
        set_bit(bit, (unsigned long *)cpu_caps_set);    \
 } while (0)
 
-#define cpu_has_tsc            boot_cpu_has(X86_FEATURE_TSC)
 #define cpu_has_apic           boot_cpu_has(X86_FEATURE_APIC)
 #define cpu_has_fxsr           boot_cpu_has(X86_FEATURE_FXSR)
 #define cpu_has_xsave          boot_cpu_has(X86_FEATURE_XSAVE)

diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h
index 174c421..7428697 100644 (file)
--- a/arch/x86/include/asm/tsc.h
+++ b/arch/x86/include/asm/tsc.h
@@ -22,7 +22,7 @@ extern void disable_TSC(void);
 static inline cycles_t get_cycles(void)
 {
 #ifndef CONFIG_X86_TSC
-       if (!cpu_has_tsc)
+       if (!boot_cpu_has(X86_FEATURE_TSC))
                return 0;
 #endif
 

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index d7867c8..0b6509f 100644 (file)
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -607,7 +607,7 @@ static void __init lapic_cal_handler(struct clock_event_device *dev)
        long tapic = apic_read(APIC_TMCCT);
        unsigned long pm = acpi_pm_read_early();
 
-       if (cpu_has_tsc)
+       if (boot_cpu_has(X86_FEATURE_TSC))
                tsc = rdtsc();
 
        switch (lapic_cal_loops++) {
@@ -668,7 +668,7 @@ calibrate_by_pmtimer(long deltapm, long *delta, long *deltatsc)
        *delta = (long)res;
 
        /* Correct the tsc counter value */
-       if (cpu_has_tsc) {
+       if (boot_cpu_has(X86_FEATURE_TSC)) {
                res = (((u64)(*deltatsc)) * pm_100ms);
                do_div(res, deltapm);
                apic_printk(APIC_VERBOSE, "TSC delta adjusted to "
@@ -760,7 +760,7 @@ static int __init calibrate_APIC_clock(void)
        apic_printk(APIC_VERBOSE, "..... calibration result: %u\n",
                    lapic_timer_frequency);
 
-       if (cpu_has_tsc) {
+       if (boot_cpu_has(X86_FEATURE_TSC)) {
                apic_printk(APIC_VERBOSE, "..... CPU clock speed is "
                            "%ld.%04ld MHz.\n",
                            (deltatsc / LAPIC_CAL_LOOPS) / (1000000 / HZ),
@@ -1227,7 +1227,7 @@ void setup_local_APIC(void)
        unsigned long long tsc = 0, ntsc;
        long long max_loops = cpu_khz ? cpu_khz : 1000000;
 
-       if (cpu_has_tsc)
+       if (boot_cpu_has(X86_FEATURE_TSC))
                tsc = rdtsc();
 
        if (disable_apic) {
@@ -1311,7 +1311,7 @@ void setup_local_APIC(void)
                        break;
                }
                if (queued) {
-                       if (cpu_has_tsc && cpu_khz) {
+                       if (boot_cpu_has(X86_FEATURE_TSC) && cpu_khz) {
                                ntsc = rdtsc();
                                max_loops = (cpu_khz << 10) - (ntsc - tsc);
                        } else

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 28d3255..6bfa36d 100644 (file)
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1558,7 +1558,7 @@ void cpu_init(void)
        pr_info("Initializing CPU#%d\n", cpu);
 
        if (cpu_feature_enabled(X86_FEATURE_VME) ||
-           cpu_has_tsc ||
+           boot_cpu_has(X86_FEATURE_TSC) ||
            boot_cpu_has(X86_FEATURE_DE))
                cr4_clear_bits(X86_CR4_VME|X86_CR4_PVI|X86_CR4_TSD|X86_CR4_DE);
 

diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index c9c4c7c..a0346bc 100644 (file)
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -36,7 +36,7 @@ static int __read_mostly tsc_unstable;
 
 /* native_sched_clock() is called before tsc_init(), so
    we must start with the TSC soft disabled to prevent
-   erroneous rdtsc usage on !cpu_has_tsc processors */
+   erroneous rdtsc usage on !boot_cpu_has(X86_FEATURE_TSC) processors */
 static int __read_mostly tsc_disabled = -1;
 
 static DEFINE_STATIC_KEY_FALSE(__use_tsc);
@@ -834,7 +834,7 @@ int recalibrate_cpu_khz(void)
 #ifndef CONFIG_SMP
        unsigned long cpu_khz_old = cpu_khz;
 
-       if (cpu_has_tsc) {
+       if (boot_cpu_has(X86_FEATURE_TSC)) {
                tsc_khz = x86_platform.calibrate_tsc();
                cpu_khz = tsc_khz;
                cpu_data(0).loops_per_jiffy =
@@ -956,7 +956,7 @@ static struct notifier_block time_cpufreq_notifier_block = {
 
 static int __init cpufreq_tsc(void)
 {
-       if (!cpu_has_tsc)
+       if (!boot_cpu_has(X86_FEATURE_TSC))
                return 0;
        if (boot_cpu_has(X86_FEATURE_CONSTANT_TSC))
                return 0;
@@ -1081,7 +1081,7 @@ static void __init check_system_tsc_reliable(void)
  */
 int unsynchronized_tsc(void)
 {
-       if (!cpu_has_tsc || tsc_unstable)
+       if (!boot_cpu_has(X86_FEATURE_TSC) || tsc_unstable)
                return 1;
 
 #ifdef CONFIG_SMP
@@ -1205,7 +1205,7 @@ out:
 
 static int __init init_tsc_clocksource(void)
 {
-       if (!cpu_has_tsc || tsc_disabled > 0 || !tsc_khz)
+       if (!boot_cpu_has(X86_FEATURE_TSC) || tsc_disabled > 0 || !tsc_khz)
                return 0;
 
        if (tsc_clocksource_reliable)
@@ -1242,7 +1242,7 @@ void __init tsc_init(void)
        u64 lpj;
        int cpu;
 
-       if (!cpu_has_tsc) {
+       if (!boot_cpu_has(X86_FEATURE_TSC)) {
                setup_clear_cpu_cap(X86_FEATURE_TSC_DEADLINE_TIMER);
                return;
        }

diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c
index 6f8b084..3d8ff09 100644 (file)
--- a/drivers/input/joystick/analog.c
+++ b/drivers/input/joystick/analog.c
@@ -143,9 +143,9 @@ struct analog_port {
 
 #include <linux/i8253.h>
 
-#define GET_TIME(x)    do { if (cpu_has_tsc) x = (unsigned int)rdtsc(); else x = get_time_pit(); } while (0)
-#define DELTA(x,y)     (cpu_has_tsc ? ((y) - (x)) : ((x) - (y) + ((x) < (y) ? PIT_TICK_RATE / HZ : 0)))
-#define TIME_NAME      (cpu_has_tsc?"TSC":"PIT")
+#define GET_TIME(x)    do { if (boot_cpu_has(X86_FEATURE_TSC)) x = (unsigned int)rdtsc(); else x = get_time_pit(); } while (0)
+#define DELTA(x,y)     (boot_cpu_has(X86_FEATURE_TSC) ? ((y) - (x)) : ((x) - (y) + ((x) < (y) ? PIT_TICK_RATE / HZ : 0)))
+#define TIME_NAME      (boot_cpu_has(X86_FEATURE_TSC)?"TSC":"PIT")
 static unsigned int get_time_pit(void)
 {
         unsigned long flags;

diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c
index 72c9f1f..7c78307 100644 (file)
--- a/drivers/net/hamradio/baycom_epp.c
+++ b/drivers/net/hamradio/baycom_epp.c
@@ -635,10 +635,10 @@ static int receive(struct net_device *dev, int cnt)
 
 #ifdef __i386__
 #include <asm/msr.h>
-#define GETTICK(x)                                                \
-({                                                                \
-       if (cpu_has_tsc)                                          \
-               x = (unsigned int)rdtsc();                \
+#define GETTICK(x)                                             \
+({                                                             \
+       if (boot_cpu_has(X86_FEATURE_TSC))                      \
+               x = (unsigned int)rdtsc();                      \
 })
 #else /* __i386__ */
 #define GETTICK(x)