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Diffstat (limited to 'arch/x86/kernel/apic/apic.c')
-rw-r--r--arch/x86/kernel/apic/apic.c62
1 files changed, 34 insertions, 28 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index c342c4aa9c6848..66fd4b2a37a3a5 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -497,32 +497,32 @@ static struct clock_event_device lapic_clockevent = {
static DEFINE_PER_CPU(struct clock_event_device, lapic_events);
static const struct x86_cpu_id deadline_match[] __initconst = {
- X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(HASWELL_X, X86_STEPPINGS(0x2, 0x2), 0x3a), /* EP */
- X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(HASWELL_X, X86_STEPPINGS(0x4, 0x4), 0x0f), /* EX */
+ X86_MATCH_VFM_STEPPINGS(INTEL_HASWELL_X, X86_STEPPINGS(0x2, 0x2), 0x3a), /* EP */
+ X86_MATCH_VFM_STEPPINGS(INTEL_HASWELL_X, X86_STEPPINGS(0x4, 0x4), 0x0f), /* EX */
- X86_MATCH_INTEL_FAM6_MODEL( BROADWELL_X, 0x0b000020),
+ X86_MATCH_VFM(INTEL_BROADWELL_X, 0x0b000020),
- X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(BROADWELL_D, X86_STEPPINGS(0x2, 0x2), 0x00000011),
- X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(BROADWELL_D, X86_STEPPINGS(0x3, 0x3), 0x0700000e),
- X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(BROADWELL_D, X86_STEPPINGS(0x4, 0x4), 0x0f00000c),
- X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(BROADWELL_D, X86_STEPPINGS(0x5, 0x5), 0x0e000003),
+ X86_MATCH_VFM_STEPPINGS(INTEL_BROADWELL_D, X86_STEPPINGS(0x2, 0x2), 0x00000011),
+ X86_MATCH_VFM_STEPPINGS(INTEL_BROADWELL_D, X86_STEPPINGS(0x3, 0x3), 0x0700000e),
+ X86_MATCH_VFM_STEPPINGS(INTEL_BROADWELL_D, X86_STEPPINGS(0x4, 0x4), 0x0f00000c),
+ X86_MATCH_VFM_STEPPINGS(INTEL_BROADWELL_D, X86_STEPPINGS(0x5, 0x5), 0x0e000003),
- X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(SKYLAKE_X, X86_STEPPINGS(0x3, 0x3), 0x01000136),
- X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(SKYLAKE_X, X86_STEPPINGS(0x4, 0x4), 0x02000014),
- X86_MATCH_INTEL_FAM6_MODEL_STEPPINGS(SKYLAKE_X, X86_STEPPINGS(0x5, 0xf), 0),
+ X86_MATCH_VFM_STEPPINGS(INTEL_SKYLAKE_X, X86_STEPPINGS(0x3, 0x3), 0x01000136),
+ X86_MATCH_VFM_STEPPINGS(INTEL_SKYLAKE_X, X86_STEPPINGS(0x4, 0x4), 0x02000014),
+ X86_MATCH_VFM_STEPPINGS(INTEL_SKYLAKE_X, X86_STEPPINGS(0x5, 0xf), 0),
- X86_MATCH_INTEL_FAM6_MODEL( HASWELL, 0x22),
- X86_MATCH_INTEL_FAM6_MODEL( HASWELL_L, 0x20),
- X86_MATCH_INTEL_FAM6_MODEL( HASWELL_G, 0x17),
+ X86_MATCH_VFM(INTEL_HASWELL, 0x22),
+ X86_MATCH_VFM(INTEL_HASWELL_L, 0x20),
+ X86_MATCH_VFM(INTEL_HASWELL_G, 0x17),
- X86_MATCH_INTEL_FAM6_MODEL( BROADWELL, 0x25),
- X86_MATCH_INTEL_FAM6_MODEL( BROADWELL_G, 0x17),
+ X86_MATCH_VFM(INTEL_BROADWELL, 0x25),
+ X86_MATCH_VFM(INTEL_BROADWELL_G, 0x17),
- X86_MATCH_INTEL_FAM6_MODEL( SKYLAKE_L, 0xb2),
- X86_MATCH_INTEL_FAM6_MODEL( SKYLAKE, 0xb2),
+ X86_MATCH_VFM(INTEL_SKYLAKE_L, 0xb2),
+ X86_MATCH_VFM(INTEL_SKYLAKE, 0xb2),
- X86_MATCH_INTEL_FAM6_MODEL( KABYLAKE_L, 0x52),
- X86_MATCH_INTEL_FAM6_MODEL( KABYLAKE, 0x52),
+ X86_MATCH_VFM(INTEL_KABYLAKE_L, 0x52),
+ X86_MATCH_VFM(INTEL_KABYLAKE, 0x52),
{},
};
@@ -631,7 +631,7 @@ void lapic_update_tsc_freq(void)
static __initdata int lapic_cal_loops = -1;
static __initdata long lapic_cal_t1, lapic_cal_t2;
static __initdata unsigned long long lapic_cal_tsc1, lapic_cal_tsc2;
-static __initdata unsigned long lapic_cal_pm1, lapic_cal_pm2;
+static __initdata u32 lapic_cal_pm1, lapic_cal_pm2;
static __initdata unsigned long lapic_cal_j1, lapic_cal_j2;
/*
@@ -641,7 +641,7 @@ static void __init lapic_cal_handler(struct clock_event_device *dev)
{
unsigned long long tsc = 0;
long tapic = apic_read(APIC_TMCCT);
- unsigned long pm = acpi_pm_read_early();
+ u32 pm = acpi_pm_read_early();
if (boot_cpu_has(X86_FEATURE_TSC))
tsc = rdtsc();
@@ -666,7 +666,7 @@ static void __init lapic_cal_handler(struct clock_event_device *dev)
}
static int __init
-calibrate_by_pmtimer(long deltapm, long *delta, long *deltatsc)
+calibrate_by_pmtimer(u32 deltapm, long *delta, long *deltatsc)
{
const long pm_100ms = PMTMR_TICKS_PER_SEC / 10;
const long pm_thresh = pm_100ms / 100;
@@ -677,7 +677,7 @@ calibrate_by_pmtimer(long deltapm, long *delta, long *deltatsc)
return -1;
#endif
- apic_printk(APIC_VERBOSE, "... PM-Timer delta = %ld\n", deltapm);
+ apic_printk(APIC_VERBOSE, "... PM-Timer delta = %u\n", deltapm);
/* Check, if the PM timer is available */
if (!deltapm)
@@ -1771,7 +1771,7 @@ void x2apic_setup(void)
__x2apic_enable();
}
-static __init void apic_set_fixmap(void);
+static __init void apic_set_fixmap(bool read_apic);
static __init void x2apic_disable(void)
{
@@ -1793,7 +1793,12 @@ static __init void x2apic_disable(void)
}
__x2apic_disable();
- apic_set_fixmap();
+ /*
+ * Don't reread the APIC ID as it was already done from
+ * check_x2apic() and the APIC driver still is a x2APIC variant,
+ * which fails to do the read after x2APIC was disabled.
+ */
+ apic_set_fixmap(false);
}
static __init void x2apic_enable(void)
@@ -2057,13 +2062,14 @@ void __init init_apic_mappings(void)
}
}
-static __init void apic_set_fixmap(void)
+static __init void apic_set_fixmap(bool read_apic)
{
set_fixmap_nocache(FIX_APIC_BASE, mp_lapic_addr);
apic_mmio_base = APIC_BASE;
apic_printk(APIC_VERBOSE, "mapped APIC to %16lx (%16lx)\n",
apic_mmio_base, mp_lapic_addr);
- apic_read_boot_cpu_id(false);
+ if (read_apic)
+ apic_read_boot_cpu_id(false);
}
void __init register_lapic_address(unsigned long address)
@@ -2073,7 +2079,7 @@ void __init register_lapic_address(unsigned long address)
mp_lapic_addr = address;
if (!x2apic_mode)
- apic_set_fixmap();
+ apic_set_fixmap(true);
}
/*