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authorIngo Molnar <mingo@elte.hu>2008-11-11 03:16:20 -0500
committerIngo Molnar <mingo@elte.hu>2008-11-11 03:16:20 -0500
commit45b86a96f17cb2900f291129b0e67287400e45b2 (patch)
treef7968bf36e3947ee42251f7eebc6ea5f24aca202 /arch/x86/include/asm
parent072ba49838b42c873c496d72c91bb237914cf3b6 (diff)
parent4143c5cb36331155a1823af8b3a8c761a59fed71 (diff)
Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/urgent
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r--arch/x86/include/asm/irq_vectors.h20
-rw-r--r--arch/x86/include/asm/msr.h2
-rw-r--r--arch/x86/include/asm/topology.h7
-rw-r--r--arch/x86/include/asm/tsc.h8
-rw-r--r--arch/x86/include/asm/voyager.h1
5 files changed, 18 insertions, 20 deletions
diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h
index d843ed0e9b2e..0005adb0f941 100644
--- a/arch/x86/include/asm/irq_vectors.h
+++ b/arch/x86/include/asm/irq_vectors.h
@@ -101,30 +101,22 @@
101#define LAST_VM86_IRQ 15 101#define LAST_VM86_IRQ 15
102#define invalid_vm86_irq(irq) ((irq) < 3 || (irq) > 15) 102#define invalid_vm86_irq(irq) ((irq) < 3 || (irq) > 15)
103 103
104#ifdef CONFIG_X86_64 104#if defined(CONFIG_X86_IO_APIC) && !defined(CONFIG_X86_VOYAGER)
105# if NR_CPUS < MAX_IO_APICS 105# if NR_CPUS < MAX_IO_APICS
106# define NR_IRQS (NR_VECTORS + (32 * NR_CPUS)) 106# define NR_IRQS (NR_VECTORS + (32 * NR_CPUS))
107# else 107# else
108# define NR_IRQS (NR_VECTORS + (32 * MAX_IO_APICS)) 108# define NR_IRQS (NR_VECTORS + (32 * MAX_IO_APICS))
109# endif 109# endif
110 110
111#elif !defined(CONFIG_X86_VOYAGER) 111#elif defined(CONFIG_X86_VOYAGER)
112 112
113# if defined(CONFIG_X86_IO_APIC) || defined(CONFIG_PARAVIRT) || defined(CONFIG_X86_VISWS) 113# define NR_IRQS 224
114
115# define NR_IRQS 224
116
117# else /* IO_APIC || PARAVIRT */
118
119# define NR_IRQS 16
120
121# endif
122 114
123#else /* !VISWS && !VOYAGER */ 115#else /* IO_APIC || VOYAGER */
124 116
125# define NR_IRQS 224 117# define NR_IRQS 16
126 118
127#endif /* VISWS */ 119#endif
128 120
129/* Voyager specific defines */ 121/* Voyager specific defines */
130/* These define the CPIs we use in linux */ 122/* These define the CPIs we use in linux */
diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 46be2fa7ac26..c2a812ebde89 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -108,9 +108,7 @@ static __always_inline unsigned long long __native_read_tsc(void)
108{ 108{
109 DECLARE_ARGS(val, low, high); 109 DECLARE_ARGS(val, low, high);
110 110
111 rdtsc_barrier();
112 asm volatile("rdtsc" : EAX_EDX_RET(val, low, high)); 111 asm volatile("rdtsc" : EAX_EDX_RET(val, low, high));
113 rdtsc_barrier();
114 112
115 return EAX_EDX_VAL(val, low, high); 113 return EAX_EDX_VAL(val, low, high);
116} 114}
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index 90ac7718469a..4850e4b02b61 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -154,7 +154,7 @@ extern unsigned long node_remap_size[];
154 154
155#endif 155#endif
156 156
157/* sched_domains SD_NODE_INIT for NUMAQ machines */ 157/* sched_domains SD_NODE_INIT for NUMA machines */
158#define SD_NODE_INIT (struct sched_domain) { \ 158#define SD_NODE_INIT (struct sched_domain) { \
159 .min_interval = 8, \ 159 .min_interval = 8, \
160 .max_interval = 32, \ 160 .max_interval = 32, \
@@ -169,8 +169,9 @@ extern unsigned long node_remap_size[];
169 .flags = SD_LOAD_BALANCE \ 169 .flags = SD_LOAD_BALANCE \
170 | SD_BALANCE_EXEC \ 170 | SD_BALANCE_EXEC \
171 | SD_BALANCE_FORK \ 171 | SD_BALANCE_FORK \
172 | SD_SERIALIZE \ 172 | SD_WAKE_AFFINE \
173 | SD_WAKE_BALANCE, \ 173 | SD_WAKE_BALANCE \
174 | SD_SERIALIZE, \
174 .last_balance = jiffies, \ 175 .last_balance = jiffies, \
175 .balance_interval = 1, \ 176 .balance_interval = 1, \
176} 177}
diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h
index 38ae163cc91b..9cd83a8e40d5 100644
--- a/arch/x86/include/asm/tsc.h
+++ b/arch/x86/include/asm/tsc.h
@@ -34,6 +34,8 @@ static inline cycles_t get_cycles(void)
34 34
35static __always_inline cycles_t vget_cycles(void) 35static __always_inline cycles_t vget_cycles(void)
36{ 36{
37 cycles_t cycles;
38
37 /* 39 /*
38 * We only do VDSOs on TSC capable CPUs, so this shouldnt 40 * We only do VDSOs on TSC capable CPUs, so this shouldnt
39 * access boot_cpu_data (which is not VDSO-safe): 41 * access boot_cpu_data (which is not VDSO-safe):
@@ -42,7 +44,11 @@ static __always_inline cycles_t vget_cycles(void)
42 if (!cpu_has_tsc) 44 if (!cpu_has_tsc)
43 return 0; 45 return 0;
44#endif 46#endif
45 return (cycles_t)__native_read_tsc(); 47 rdtsc_barrier();
48 cycles = (cycles_t)__native_read_tsc();
49 rdtsc_barrier();
50
51 return cycles;
46} 52}
47 53
48extern void tsc_init(void); 54extern void tsc_init(void);
diff --git a/arch/x86/include/asm/voyager.h b/arch/x86/include/asm/voyager.h
index 9c811d2e6f91..b3e647307625 100644
--- a/arch/x86/include/asm/voyager.h
+++ b/arch/x86/include/asm/voyager.h
@@ -520,6 +520,7 @@ extern void voyager_restart(void);
520extern void voyager_cat_power_off(void); 520extern void voyager_cat_power_off(void);
521extern void voyager_cat_do_common_interrupt(void); 521extern void voyager_cat_do_common_interrupt(void);
522extern void voyager_handle_nmi(void); 522extern void voyager_handle_nmi(void);
523extern void voyager_smp_intr_init(void);
523/* Commands for the following are */ 524/* Commands for the following are */
524#define VOYAGER_PSI_READ 0 525#define VOYAGER_PSI_READ 0
525#define VOYAGER_PSI_WRITE 1 526#define VOYAGER_PSI_WRITE 1