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author | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:17:24 -0400 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2007-10-11 05:17:24 -0400 |
commit | 250c22777fe1ccd7ac588579a6c16db4c0161cc5 (patch) | |
tree | 55c317efb7d792ec6fdae1d1937c67a502c48dec | |
parent | 2db55d344e529492545cb3b755c7e9ba8e4fa94e (diff) |
x86_64: move kernel
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r-- | arch/x86/boot/compressed/head_64.S | 2 | ||||
-rw-r--r-- | arch/x86/kernel/Makefile | 2 | ||||
-rw-r--r-- | arch/x86/kernel/Makefile_32 | 2 | ||||
-rw-r--r-- | arch/x86/kernel/Makefile_64 (renamed from arch/x86_64/kernel/Makefile_64) | 9 | ||||
-rw-r--r-- | arch/x86/kernel/acpi/wakeup_64.S | 2 | ||||
-rw-r--r-- | arch/x86/kernel/aperture_64.c (renamed from arch/x86_64/kernel/aperture_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/apic_64.c (renamed from arch/x86_64/kernel/apic_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/asm-offsets_64.c (renamed from arch/x86_64/kernel/asm-offsets_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/audit_64.c (renamed from arch/x86_64/kernel/audit_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/bugs_64.c (renamed from arch/x86_64/kernel/bugs_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/crash_64.c (renamed from arch/x86_64/kernel/crash_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/crash_dump_64.c (renamed from arch/x86_64/kernel/crash_dump_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/e820_64.c (renamed from arch/x86_64/kernel/e820_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/early-quirks_64.c (renamed from arch/x86_64/kernel/early-quirks_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/early_printk.c | 259 | ||||
-rw-r--r-- | arch/x86/kernel/entry_64.S (renamed from arch/x86_64/kernel/entry_64.S) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/genapic_64.c (renamed from arch/x86_64/kernel/genapic_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/genapic_flat_64.c (renamed from arch/x86_64/kernel/genapic_flat_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/head64.c (renamed from arch/x86_64/kernel/head64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/head_64.S (renamed from arch/x86_64/kernel/head_64.S) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/hpet_64.c (renamed from arch/x86_64/kernel/hpet_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/i387_64.c (renamed from arch/x86_64/kernel/i387_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/i8259_64.c (renamed from arch/x86_64/kernel/i8259_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/init_task_64.c (renamed from arch/x86_64/kernel/init_task_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/io_apic_64.c (renamed from arch/x86_64/kernel/io_apic_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/ioport_64.c (renamed from arch/x86_64/kernel/ioport_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/irq_64.c (renamed from arch/x86_64/kernel/irq_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/k8.c (renamed from arch/x86_64/kernel/k8.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/kprobes_64.c (renamed from arch/x86_64/kernel/kprobes_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/ldt_64.c (renamed from arch/x86_64/kernel/ldt_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/machine_kexec_64.c (renamed from arch/x86_64/kernel/machine_kexec_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/mce_64.c (renamed from arch/x86_64/kernel/mce_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/mce_amd_64.c (renamed from arch/x86_64/kernel/mce_amd_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/mce_intel_64.c (renamed from arch/x86_64/kernel/mce_intel_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/module_64.c (renamed from arch/x86_64/kernel/module_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/mpparse_64.c (renamed from arch/x86_64/kernel/mpparse_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/nmi_64.c (renamed from arch/x86_64/kernel/nmi_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/pci-calgary_64.c (renamed from arch/x86_64/kernel/pci-calgary_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/pci-dma_64.c (renamed from arch/x86_64/kernel/pci-dma_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/pci-gart_64.c (renamed from arch/x86_64/kernel/pci-gart_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/pci-nommu_64.c (renamed from arch/x86_64/kernel/pci-nommu_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/pci-swiotlb_64.c (renamed from arch/x86_64/kernel/pci-swiotlb_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/pmtimer_64.c (renamed from arch/x86_64/kernel/pmtimer_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/process_64.c (renamed from arch/x86_64/kernel/process_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/ptrace_64.c (renamed from arch/x86_64/kernel/ptrace_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/reboot_64.c (renamed from arch/x86_64/kernel/reboot_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/relocate_kernel_64.S (renamed from arch/x86_64/kernel/relocate_kernel_64.S) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/setup64.c (renamed from arch/x86_64/kernel/setup64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/setup_64.c (renamed from arch/x86_64/kernel/setup_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/signal_64.c (renamed from arch/x86_64/kernel/signal_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/smp_64.c (renamed from arch/x86_64/kernel/smp_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/smpboot_64.c (renamed from arch/x86_64/kernel/smpboot_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/stacktrace.c (renamed from arch/x86_64/kernel/stacktrace.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/suspend_64.c (renamed from arch/x86_64/kernel/suspend_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/suspend_asm_64.S (renamed from arch/x86_64/kernel/suspend_asm_64.S) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/sys_x86_64.c (renamed from arch/x86_64/kernel/sys_x86_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/syscall_64.c (renamed from arch/x86_64/kernel/syscall_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/tce_64.c (renamed from arch/x86_64/kernel/tce_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/time_64.c (renamed from arch/x86_64/kernel/time_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/trampoline_64.S (renamed from arch/x86_64/kernel/trampoline_64.S) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/traps_64.c (renamed from arch/x86_64/kernel/traps_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/tsc_64.c (renamed from arch/x86_64/kernel/tsc_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/tsc_sync.c | 188 | ||||
-rw-r--r-- | arch/x86/kernel/verify_cpu_64.S (renamed from arch/x86_64/kernel/verify_cpu_64.S) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/vmlinux_64.lds.S (renamed from arch/x86_64/kernel/vmlinux_64.lds.S) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/vsmp_64.c (renamed from arch/x86_64/kernel/vsmp_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/vsyscall_64.c (renamed from arch/x86_64/kernel/vsyscall_64.c) | 0 | ||||
-rw-r--r-- | arch/x86/kernel/x8664_ksyms_64.c (renamed from arch/x86_64/kernel/x8664_ksyms_64.c) | 0 | ||||
-rw-r--r-- | arch/x86_64/Makefile | 11 | ||||
-rw-r--r-- | arch/x86_64/kernel/Makefile | 5 | ||||
-rw-r--r-- | arch/x86_64/kernel/asm-offsets.c | 5 | ||||
-rw-r--r-- | arch/x86_64/kernel/early_printk.c | 259 | ||||
-rw-r--r-- | arch/x86_64/kernel/tsc_sync.c | 187 | ||||
-rw-r--r-- | arch/x86_64/kernel/vmlinux.lds.S | 5 |
74 files changed, 457 insertions, 479 deletions
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S index cff3d1dc5dd4..49467640751f 100644 --- a/arch/x86/boot/compressed/head_64.S +++ b/arch/x86/boot/compressed/head_64.S | |||
@@ -174,7 +174,7 @@ no_longmode: | |||
174 | hlt | 174 | hlt |
175 | jmp 1b | 175 | jmp 1b |
176 | 176 | ||
177 | #include "../../../x86_64/kernel/verify_cpu_64.S" | 177 | #include "../../kernel/verify_cpu_64.S" |
178 | 178 | ||
179 | /* Be careful here startup_64 needs to be at a predictable | 179 | /* Be careful here startup_64 needs to be at a predictable |
180 | * address so I can export it in an ELF header. Bootloaders | 180 | * address so I can export it in an ELF header. Bootloaders |
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 577d08f4b8bb..45855c97923e 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile | |||
@@ -1,5 +1,5 @@ | |||
1 | ifeq ($(CONFIG_X86_32),y) | 1 | ifeq ($(CONFIG_X86_32),y) |
2 | include ${srctree}/arch/x86/kernel/Makefile_32 | 2 | include ${srctree}/arch/x86/kernel/Makefile_32 |
3 | else | 3 | else |
4 | include ${srctree}/arch/x86_64/kernel/Makefile_64 | 4 | include ${srctree}/arch/x86/kernel/Makefile_64 |
5 | endif | 5 | endif |
diff --git a/arch/x86/kernel/Makefile_32 b/arch/x86/kernel/Makefile_32 index 5096f486d389..cb25523026a6 100644 --- a/arch/x86/kernel/Makefile_32 +++ b/arch/x86/kernel/Makefile_32 | |||
@@ -83,6 +83,4 @@ $(obj)/vsyscall-syms.o: $(src)/vsyscall_32.lds \ | |||
83 | $(obj)/vsyscall-sysenter_32.o $(obj)/vsyscall-note_32.o FORCE | 83 | $(obj)/vsyscall-sysenter_32.o $(obj)/vsyscall-note_32.o FORCE |
84 | $(call if_changed,syscall) | 84 | $(call if_changed,syscall) |
85 | 85 | ||
86 | k8-y += ../../x86_64/kernel/k8.o | ||
87 | stacktrace-y += ../../x86_64/kernel/stacktrace.o | ||
88 | 86 | ||
diff --git a/arch/x86_64/kernel/Makefile_64 b/arch/x86/kernel/Makefile_64 index 120d4e51fd4d..6e6b5909e465 100644 --- a/arch/x86_64/kernel/Makefile_64 +++ b/arch/x86/kernel/Makefile_64 | |||
@@ -49,15 +49,6 @@ obj-y += pcspeaker.o | |||
49 | CFLAGS_vsyscall_64.o := $(PROFILING) -g0 | 49 | CFLAGS_vsyscall_64.o := $(PROFILING) -g0 |
50 | 50 | ||
51 | therm_throt-y += ../../x86/kernel/cpu/mcheck/therm_throt.o | 51 | therm_throt-y += ../../x86/kernel/cpu/mcheck/therm_throt.o |
52 | bootflag-y += ../../x86/kernel/bootflag.o | ||
53 | cpuid-$(subst m,y,$(CONFIG_X86_CPUID)) += ../../x86/kernel/cpuid.o | ||
54 | topology-y += ../../x86/kernel/topology.o | ||
55 | microcode-$(subst m,y,$(CONFIG_MICROCODE)) += ../../x86/kernel/microcode.o | ||
56 | intel_cacheinfo-y += ../../x86/kernel/cpu/intel_cacheinfo.o | 52 | intel_cacheinfo-y += ../../x86/kernel/cpu/intel_cacheinfo.o |
57 | addon_cpuid_features-y += ../../x86/kernel/cpu/addon_cpuid_features.o | 53 | addon_cpuid_features-y += ../../x86/kernel/cpu/addon_cpuid_features.o |
58 | quirks-y += ../../x86/kernel/quirks.o | ||
59 | i8237-y += ../../x86/kernel/i8237.o | ||
60 | msr-$(subst m,y,$(CONFIG_X86_MSR)) += ../../x86/kernel/msr.o | ||
61 | alternative-y += ../../x86/kernel/alternative.o | ||
62 | pcspeaker-y += ../../x86/kernel/pcspeaker.o | ||
63 | perfctr-watchdog-y += ../../x86/kernel/cpu/perfctr-watchdog.o | 54 | perfctr-watchdog-y += ../../x86/kernel/cpu/perfctr-watchdog.o |
diff --git a/arch/x86/kernel/acpi/wakeup_64.S b/arch/x86/kernel/acpi/wakeup_64.S index 5e3b3f5496c5..8b4357e1efe0 100644 --- a/arch/x86/kernel/acpi/wakeup_64.S +++ b/arch/x86/kernel/acpi/wakeup_64.S | |||
@@ -269,7 +269,7 @@ no_longmode: | |||
269 | movb $0xbc,%al ; outb %al,$0x80 | 269 | movb $0xbc,%al ; outb %al,$0x80 |
270 | jmp no_longmode | 270 | jmp no_longmode |
271 | 271 | ||
272 | #include "../../../x86_64/kernel/verify_cpu_64.S" | 272 | #include "../verify_cpu_64.S" |
273 | 273 | ||
274 | /* This code uses an extended set of video mode numbers. These include: | 274 | /* This code uses an extended set of video mode numbers. These include: |
275 | * Aliases for standard modes | 275 | * Aliases for standard modes |
diff --git a/arch/x86_64/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c index 8f681cae7bf7..8f681cae7bf7 100644 --- a/arch/x86_64/kernel/aperture_64.c +++ b/arch/x86/kernel/aperture_64.c | |||
diff --git a/arch/x86_64/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index 925758dbca0c..925758dbca0c 100644 --- a/arch/x86_64/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c | |||
diff --git a/arch/x86_64/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c index 778953bc636c..778953bc636c 100644 --- a/arch/x86_64/kernel/asm-offsets_64.c +++ b/arch/x86/kernel/asm-offsets_64.c | |||
diff --git a/arch/x86_64/kernel/audit_64.c b/arch/x86/kernel/audit_64.c index 06d3e5a14d9d..06d3e5a14d9d 100644 --- a/arch/x86_64/kernel/audit_64.c +++ b/arch/x86/kernel/audit_64.c | |||
diff --git a/arch/x86_64/kernel/bugs_64.c b/arch/x86/kernel/bugs_64.c index 4e5e9d364d63..4e5e9d364d63 100644 --- a/arch/x86_64/kernel/bugs_64.c +++ b/arch/x86/kernel/bugs_64.c | |||
diff --git a/arch/x86_64/kernel/crash_64.c b/arch/x86/kernel/crash_64.c index 13432a1ae904..13432a1ae904 100644 --- a/arch/x86_64/kernel/crash_64.c +++ b/arch/x86/kernel/crash_64.c | |||
diff --git a/arch/x86_64/kernel/crash_dump_64.c b/arch/x86/kernel/crash_dump_64.c index 942deac4d43a..942deac4d43a 100644 --- a/arch/x86_64/kernel/crash_dump_64.c +++ b/arch/x86/kernel/crash_dump_64.c | |||
diff --git a/arch/x86_64/kernel/e820_64.c b/arch/x86/kernel/e820_64.c index 0f4d5e209e9b..0f4d5e209e9b 100644 --- a/arch/x86_64/kernel/e820_64.c +++ b/arch/x86/kernel/e820_64.c | |||
diff --git a/arch/x86_64/kernel/early-quirks_64.c b/arch/x86/kernel/early-quirks_64.c index 13aa4fd728f3..13aa4fd728f3 100644 --- a/arch/x86_64/kernel/early-quirks_64.c +++ b/arch/x86/kernel/early-quirks_64.c | |||
diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c index 92f812ba275c..fd9aff3f3890 100644 --- a/arch/x86/kernel/early_printk.c +++ b/arch/x86/kernel/early_printk.c | |||
@@ -1,2 +1,259 @@ | |||
1 | #include <linux/console.h> | ||
2 | #include <linux/kernel.h> | ||
3 | #include <linux/init.h> | ||
4 | #include <linux/string.h> | ||
5 | #include <linux/screen_info.h> | ||
6 | #include <asm/io.h> | ||
7 | #include <asm/processor.h> | ||
8 | #include <asm/fcntl.h> | ||
9 | #include <xen/hvc-console.h> | ||
1 | 10 | ||
2 | #include "../../x86_64/kernel/early_printk.c" | 11 | /* Simple VGA output */ |
12 | |||
13 | #ifdef __i386__ | ||
14 | #include <asm/setup.h> | ||
15 | #else | ||
16 | #include <asm/bootsetup.h> | ||
17 | #endif | ||
18 | #define VGABASE (__ISA_IO_base + 0xb8000) | ||
19 | |||
20 | static int max_ypos = 25, max_xpos = 80; | ||
21 | static int current_ypos = 25, current_xpos = 0; | ||
22 | |||
23 | static void early_vga_write(struct console *con, const char *str, unsigned n) | ||
24 | { | ||
25 | char c; | ||
26 | int i, k, j; | ||
27 | |||
28 | while ((c = *str++) != '\0' && n-- > 0) { | ||
29 | if (current_ypos >= max_ypos) { | ||
30 | /* scroll 1 line up */ | ||
31 | for (k = 1, j = 0; k < max_ypos; k++, j++) { | ||
32 | for (i = 0; i < max_xpos; i++) { | ||
33 | writew(readw(VGABASE+2*(max_xpos*k+i)), | ||
34 | VGABASE + 2*(max_xpos*j + i)); | ||
35 | } | ||
36 | } | ||
37 | for (i = 0; i < max_xpos; i++) | ||
38 | writew(0x720, VGABASE + 2*(max_xpos*j + i)); | ||
39 | current_ypos = max_ypos-1; | ||
40 | } | ||
41 | if (c == '\n') { | ||
42 | current_xpos = 0; | ||
43 | current_ypos++; | ||
44 | } else if (c != '\r') { | ||
45 | writew(((0x7 << 8) | (unsigned short) c), | ||
46 | VGABASE + 2*(max_xpos*current_ypos + | ||
47 | current_xpos++)); | ||
48 | if (current_xpos >= max_xpos) { | ||
49 | current_xpos = 0; | ||
50 | current_ypos++; | ||
51 | } | ||
52 | } | ||
53 | } | ||
54 | } | ||
55 | |||
56 | static struct console early_vga_console = { | ||
57 | .name = "earlyvga", | ||
58 | .write = early_vga_write, | ||
59 | .flags = CON_PRINTBUFFER, | ||
60 | .index = -1, | ||
61 | }; | ||
62 | |||
63 | /* Serial functions loosely based on a similar package from Klaus P. Gerlicher */ | ||
64 | |||
65 | static int early_serial_base = 0x3f8; /* ttyS0 */ | ||
66 | |||
67 | #define XMTRDY 0x20 | ||
68 | |||
69 | #define DLAB 0x80 | ||
70 | |||
71 | #define TXR 0 /* Transmit register (WRITE) */ | ||
72 | #define RXR 0 /* Receive register (READ) */ | ||
73 | #define IER 1 /* Interrupt Enable */ | ||
74 | #define IIR 2 /* Interrupt ID */ | ||
75 | #define FCR 2 /* FIFO control */ | ||
76 | #define LCR 3 /* Line control */ | ||
77 | #define MCR 4 /* Modem control */ | ||
78 | #define LSR 5 /* Line Status */ | ||
79 | #define MSR 6 /* Modem Status */ | ||
80 | #define DLL 0 /* Divisor Latch Low */ | ||
81 | #define DLH 1 /* Divisor latch High */ | ||
82 | |||
83 | static int early_serial_putc(unsigned char ch) | ||
84 | { | ||
85 | unsigned timeout = 0xffff; | ||
86 | while ((inb(early_serial_base + LSR) & XMTRDY) == 0 && --timeout) | ||
87 | cpu_relax(); | ||
88 | outb(ch, early_serial_base + TXR); | ||
89 | return timeout ? 0 : -1; | ||
90 | } | ||
91 | |||
92 | static void early_serial_write(struct console *con, const char *s, unsigned n) | ||
93 | { | ||
94 | while (*s && n-- > 0) { | ||
95 | if (*s == '\n') | ||
96 | early_serial_putc('\r'); | ||
97 | early_serial_putc(*s); | ||
98 | s++; | ||
99 | } | ||
100 | } | ||
101 | |||
102 | #define DEFAULT_BAUD 9600 | ||
103 | |||
104 | static __init void early_serial_init(char *s) | ||
105 | { | ||
106 | unsigned char c; | ||
107 | unsigned divisor; | ||
108 | unsigned baud = DEFAULT_BAUD; | ||
109 | char *e; | ||
110 | |||
111 | if (*s == ',') | ||
112 | ++s; | ||
113 | |||
114 | if (*s) { | ||
115 | unsigned port; | ||
116 | if (!strncmp(s,"0x",2)) { | ||
117 | early_serial_base = simple_strtoul(s, &e, 16); | ||
118 | } else { | ||
119 | static int bases[] = { 0x3f8, 0x2f8 }; | ||
120 | |||
121 | if (!strncmp(s,"ttyS",4)) | ||
122 | s += 4; | ||
123 | port = simple_strtoul(s, &e, 10); | ||
124 | if (port > 1 || s == e) | ||
125 | port = 0; | ||
126 | early_serial_base = bases[port]; | ||
127 | } | ||
128 | s += strcspn(s, ","); | ||
129 | if (*s == ',') | ||
130 | s++; | ||
131 | } | ||
132 | |||
133 | outb(0x3, early_serial_base + LCR); /* 8n1 */ | ||
134 | outb(0, early_serial_base + IER); /* no interrupt */ | ||
135 | outb(0, early_serial_base + FCR); /* no fifo */ | ||
136 | outb(0x3, early_serial_base + MCR); /* DTR + RTS */ | ||
137 | |||
138 | if (*s) { | ||
139 | baud = simple_strtoul(s, &e, 0); | ||
140 | if (baud == 0 || s == e) | ||
141 | baud = DEFAULT_BAUD; | ||
142 | } | ||
143 | |||
144 | divisor = 115200 / baud; | ||
145 | c = inb(early_serial_base + LCR); | ||
146 | outb(c | DLAB, early_serial_base + LCR); | ||
147 | outb(divisor & 0xff, early_serial_base + DLL); | ||
148 | outb((divisor >> 8) & 0xff, early_serial_base + DLH); | ||
149 | outb(c & ~DLAB, early_serial_base + LCR); | ||
150 | } | ||
151 | |||
152 | static struct console early_serial_console = { | ||
153 | .name = "earlyser", | ||
154 | .write = early_serial_write, | ||
155 | .flags = CON_PRINTBUFFER, | ||
156 | .index = -1, | ||
157 | }; | ||
158 | |||
159 | /* Console interface to a host file on AMD's SimNow! */ | ||
160 | |||
161 | static int simnow_fd; | ||
162 | |||
163 | enum { | ||
164 | MAGIC1 = 0xBACCD00A, | ||
165 | MAGIC2 = 0xCA110000, | ||
166 | XOPEN = 5, | ||
167 | XWRITE = 4, | ||
168 | }; | ||
169 | |||
170 | static noinline long simnow(long cmd, long a, long b, long c) | ||
171 | { | ||
172 | long ret; | ||
173 | asm volatile("cpuid" : | ||
174 | "=a" (ret) : | ||
175 | "b" (a), "c" (b), "d" (c), "0" (MAGIC1), "D" (cmd + MAGIC2)); | ||
176 | return ret; | ||
177 | } | ||
178 | |||
179 | static void __init simnow_init(char *str) | ||
180 | { | ||
181 | char *fn = "klog"; | ||
182 | if (*str == '=') | ||
183 | fn = ++str; | ||
184 | /* error ignored */ | ||
185 | simnow_fd = simnow(XOPEN, (unsigned long)fn, O_WRONLY|O_APPEND|O_CREAT, 0644); | ||
186 | } | ||
187 | |||
188 | static void simnow_write(struct console *con, const char *s, unsigned n) | ||
189 | { | ||
190 | simnow(XWRITE, simnow_fd, (unsigned long)s, n); | ||
191 | } | ||
192 | |||
193 | static struct console simnow_console = { | ||
194 | .name = "simnow", | ||
195 | .write = simnow_write, | ||
196 | .flags = CON_PRINTBUFFER, | ||
197 | .index = -1, | ||
198 | }; | ||
199 | |||
200 | /* Direct interface for emergencies */ | ||
201 | struct console *early_console = &early_vga_console; | ||
202 | static int early_console_initialized = 0; | ||
203 | |||
204 | void early_printk(const char *fmt, ...) | ||
205 | { | ||
206 | char buf[512]; | ||
207 | int n; | ||
208 | va_list ap; | ||
209 | |||
210 | va_start(ap,fmt); | ||
211 | n = vscnprintf(buf,512,fmt,ap); | ||
212 | early_console->write(early_console,buf,n); | ||
213 | va_end(ap); | ||
214 | } | ||
215 | |||
216 | static int __initdata keep_early; | ||
217 | |||
218 | static int __init setup_early_printk(char *buf) | ||
219 | { | ||
220 | if (!buf) | ||
221 | return 0; | ||
222 | |||
223 | if (early_console_initialized) | ||
224 | return 0; | ||
225 | early_console_initialized = 1; | ||
226 | |||
227 | if (strstr(buf, "keep")) | ||
228 | keep_early = 1; | ||
229 | |||
230 | if (!strncmp(buf, "serial", 6)) { | ||
231 | early_serial_init(buf + 6); | ||
232 | early_console = &early_serial_console; | ||
233 | } else if (!strncmp(buf, "ttyS", 4)) { | ||
234 | early_serial_init(buf); | ||
235 | early_console = &early_serial_console; | ||
236 | } else if (!strncmp(buf, "vga", 3) | ||
237 | && SCREEN_INFO.orig_video_isVGA == 1) { | ||
238 | max_xpos = SCREEN_INFO.orig_video_cols; | ||
239 | max_ypos = SCREEN_INFO.orig_video_lines; | ||
240 | current_ypos = SCREEN_INFO.orig_y; | ||
241 | early_console = &early_vga_console; | ||
242 | } else if (!strncmp(buf, "simnow", 6)) { | ||
243 | simnow_init(buf + 6); | ||
244 | early_console = &simnow_console; | ||
245 | keep_early = 1; | ||
246 | #ifdef CONFIG_HVC_XEN | ||
247 | } else if (!strncmp(buf, "xen", 3)) { | ||
248 | early_console = &xenboot_console; | ||
249 | #endif | ||
250 | } | ||
251 | |||
252 | if (keep_early) | ||
253 | early_console->flags &= ~CON_BOOT; | ||
254 | else | ||
255 | early_console->flags |= CON_BOOT; | ||
256 | register_console(early_console); | ||
257 | return 0; | ||
258 | } | ||
259 | early_param("earlyprintk", setup_early_printk); | ||
diff --git a/arch/x86_64/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 1d232e5f5658..1d232e5f5658 100644 --- a/arch/x86_64/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S | |||
diff --git a/arch/x86_64/kernel/genapic_64.c b/arch/x86/kernel/genapic_64.c index 47496a40e84f..47496a40e84f 100644 --- a/arch/x86_64/kernel/genapic_64.c +++ b/arch/x86/kernel/genapic_64.c | |||
diff --git a/arch/x86_64/kernel/genapic_flat_64.c b/arch/x86/kernel/genapic_flat_64.c index ecb01eefdd27..ecb01eefdd27 100644 --- a/arch/x86_64/kernel/genapic_flat_64.c +++ b/arch/x86/kernel/genapic_flat_64.c | |||
diff --git a/arch/x86_64/kernel/head64.c b/arch/x86/kernel/head64.c index 6c34bdd22e26..6c34bdd22e26 100644 --- a/arch/x86_64/kernel/head64.c +++ b/arch/x86/kernel/head64.c | |||
diff --git a/arch/x86_64/kernel/head_64.S b/arch/x86/kernel/head_64.S index b6167fe3330e..b6167fe3330e 100644 --- a/arch/x86_64/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S | |||
diff --git a/arch/x86_64/kernel/hpet_64.c b/arch/x86/kernel/hpet_64.c index e2d1b912e154..e2d1b912e154 100644 --- a/arch/x86_64/kernel/hpet_64.c +++ b/arch/x86/kernel/hpet_64.c | |||
diff --git a/arch/x86_64/kernel/i387_64.c b/arch/x86/kernel/i387_64.c index 1d58c13bc6bc..1d58c13bc6bc 100644 --- a/arch/x86_64/kernel/i387_64.c +++ b/arch/x86/kernel/i387_64.c | |||
diff --git a/arch/x86_64/kernel/i8259_64.c b/arch/x86/kernel/i8259_64.c index 948cae646099..948cae646099 100644 --- a/arch/x86_64/kernel/i8259_64.c +++ b/arch/x86/kernel/i8259_64.c | |||
diff --git a/arch/x86_64/kernel/init_task_64.c b/arch/x86/kernel/init_task_64.c index 4ff33d4f8551..4ff33d4f8551 100644 --- a/arch/x86_64/kernel/init_task_64.c +++ b/arch/x86/kernel/init_task_64.c | |||
diff --git a/arch/x86_64/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 966fa1062491..966fa1062491 100644 --- a/arch/x86_64/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c | |||
diff --git a/arch/x86_64/kernel/ioport_64.c b/arch/x86/kernel/ioport_64.c index 653efa30b0f4..653efa30b0f4 100644 --- a/arch/x86_64/kernel/ioport_64.c +++ b/arch/x86/kernel/ioport_64.c | |||
diff --git a/arch/x86_64/kernel/irq_64.c b/arch/x86/kernel/irq_64.c index 39cb3fa83ebb..39cb3fa83ebb 100644 --- a/arch/x86_64/kernel/irq_64.c +++ b/arch/x86/kernel/irq_64.c | |||
diff --git a/arch/x86_64/kernel/k8.c b/arch/x86/kernel/k8.c index 7377ccb21335..7377ccb21335 100644 --- a/arch/x86_64/kernel/k8.c +++ b/arch/x86/kernel/k8.c | |||
diff --git a/arch/x86_64/kernel/kprobes_64.c b/arch/x86/kernel/kprobes_64.c index a30e004682e2..a30e004682e2 100644 --- a/arch/x86_64/kernel/kprobes_64.c +++ b/arch/x86/kernel/kprobes_64.c | |||
diff --git a/arch/x86_64/kernel/ldt_64.c b/arch/x86/kernel/ldt_64.c index bc9ffd5c19cc..bc9ffd5c19cc 100644 --- a/arch/x86_64/kernel/ldt_64.c +++ b/arch/x86/kernel/ldt_64.c | |||
diff --git a/arch/x86_64/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c index c3a554703672..c3a554703672 100644 --- a/arch/x86_64/kernel/machine_kexec_64.c +++ b/arch/x86/kernel/machine_kexec_64.c | |||
diff --git a/arch/x86_64/kernel/mce_64.c b/arch/x86/kernel/mce_64.c index a66d607f5b92..a66d607f5b92 100644 --- a/arch/x86_64/kernel/mce_64.c +++ b/arch/x86/kernel/mce_64.c | |||
diff --git a/arch/x86_64/kernel/mce_amd_64.c b/arch/x86/kernel/mce_amd_64.c index 2f8a7f18b0fe..2f8a7f18b0fe 100644 --- a/arch/x86_64/kernel/mce_amd_64.c +++ b/arch/x86/kernel/mce_amd_64.c | |||
diff --git a/arch/x86_64/kernel/mce_intel_64.c b/arch/x86/kernel/mce_intel_64.c index 6551505d8a2c..6551505d8a2c 100644 --- a/arch/x86_64/kernel/mce_intel_64.c +++ b/arch/x86/kernel/mce_intel_64.c | |||
diff --git a/arch/x86_64/kernel/module_64.c b/arch/x86/kernel/module_64.c index a888e67f5874..a888e67f5874 100644 --- a/arch/x86_64/kernel/module_64.c +++ b/arch/x86/kernel/module_64.c | |||
diff --git a/arch/x86_64/kernel/mpparse_64.c b/arch/x86/kernel/mpparse_64.c index 8bf0ca03ac8e..8bf0ca03ac8e 100644 --- a/arch/x86_64/kernel/mpparse_64.c +++ b/arch/x86/kernel/mpparse_64.c | |||
diff --git a/arch/x86_64/kernel/nmi_64.c b/arch/x86/kernel/nmi_64.c index 0ec6d2ddb931..0ec6d2ddb931 100644 --- a/arch/x86_64/kernel/nmi_64.c +++ b/arch/x86/kernel/nmi_64.c | |||
diff --git a/arch/x86_64/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c index 71da01e73f03..71da01e73f03 100644 --- a/arch/x86_64/kernel/pci-calgary_64.c +++ b/arch/x86/kernel/pci-calgary_64.c | |||
diff --git a/arch/x86_64/kernel/pci-dma_64.c b/arch/x86/kernel/pci-dma_64.c index 29711445c818..29711445c818 100644 --- a/arch/x86_64/kernel/pci-dma_64.c +++ b/arch/x86/kernel/pci-dma_64.c | |||
diff --git a/arch/x86_64/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c index 4918c575d582..4918c575d582 100644 --- a/arch/x86_64/kernel/pci-gart_64.c +++ b/arch/x86/kernel/pci-gart_64.c | |||
diff --git a/arch/x86_64/kernel/pci-nommu_64.c b/arch/x86/kernel/pci-nommu_64.c index 2a34c6c025a9..2a34c6c025a9 100644 --- a/arch/x86_64/kernel/pci-nommu_64.c +++ b/arch/x86/kernel/pci-nommu_64.c | |||
diff --git a/arch/x86_64/kernel/pci-swiotlb_64.c b/arch/x86/kernel/pci-swiotlb_64.c index b2f405ea7c85..b2f405ea7c85 100644 --- a/arch/x86_64/kernel/pci-swiotlb_64.c +++ b/arch/x86/kernel/pci-swiotlb_64.c | |||
diff --git a/arch/x86_64/kernel/pmtimer_64.c b/arch/x86/kernel/pmtimer_64.c index ae8f91214f15..ae8f91214f15 100644 --- a/arch/x86_64/kernel/pmtimer_64.c +++ b/arch/x86/kernel/pmtimer_64.c | |||
diff --git a/arch/x86_64/kernel/process_64.c b/arch/x86/kernel/process_64.c index 98956555450b..98956555450b 100644 --- a/arch/x86_64/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c | |||
diff --git a/arch/x86_64/kernel/ptrace_64.c b/arch/x86/kernel/ptrace_64.c index eea3702427b4..eea3702427b4 100644 --- a/arch/x86_64/kernel/ptrace_64.c +++ b/arch/x86/kernel/ptrace_64.c | |||
diff --git a/arch/x86_64/kernel/reboot_64.c b/arch/x86/kernel/reboot_64.c index 368db2b9c5ac..368db2b9c5ac 100644 --- a/arch/x86_64/kernel/reboot_64.c +++ b/arch/x86/kernel/reboot_64.c | |||
diff --git a/arch/x86_64/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S index 14e95872c6a3..14e95872c6a3 100644 --- a/arch/x86_64/kernel/relocate_kernel_64.S +++ b/arch/x86/kernel/relocate_kernel_64.S | |||
diff --git a/arch/x86_64/kernel/setup64.c b/arch/x86/kernel/setup64.c index 1200aaac403e..1200aaac403e 100644 --- a/arch/x86_64/kernel/setup64.c +++ b/arch/x86/kernel/setup64.c | |||
diff --git a/arch/x86_64/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index af838f6b0b7f..af838f6b0b7f 100644 --- a/arch/x86_64/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c | |||
diff --git a/arch/x86_64/kernel/signal_64.c b/arch/x86/kernel/signal_64.c index 739175b01e06..739175b01e06 100644 --- a/arch/x86_64/kernel/signal_64.c +++ b/arch/x86/kernel/signal_64.c | |||
diff --git a/arch/x86_64/kernel/smp_64.c b/arch/x86/kernel/smp_64.c index df4a82812adb..df4a82812adb 100644 --- a/arch/x86_64/kernel/smp_64.c +++ b/arch/x86/kernel/smp_64.c | |||
diff --git a/arch/x86_64/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c index 32f50783edc8..32f50783edc8 100644 --- a/arch/x86_64/kernel/smpboot_64.c +++ b/arch/x86/kernel/smpboot_64.c | |||
diff --git a/arch/x86_64/kernel/stacktrace.c b/arch/x86/kernel/stacktrace.c index cb9109113584..cb9109113584 100644 --- a/arch/x86_64/kernel/stacktrace.c +++ b/arch/x86/kernel/stacktrace.c | |||
diff --git a/arch/x86_64/kernel/suspend_64.c b/arch/x86/kernel/suspend_64.c index 573c0a6e0ac6..573c0a6e0ac6 100644 --- a/arch/x86_64/kernel/suspend_64.c +++ b/arch/x86/kernel/suspend_64.c | |||
diff --git a/arch/x86_64/kernel/suspend_asm_64.S b/arch/x86/kernel/suspend_asm_64.S index 16d183f67bc1..16d183f67bc1 100644 --- a/arch/x86_64/kernel/suspend_asm_64.S +++ b/arch/x86/kernel/suspend_asm_64.S | |||
diff --git a/arch/x86_64/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c index 4770b7a2052c..4770b7a2052c 100644 --- a/arch/x86_64/kernel/sys_x86_64.c +++ b/arch/x86/kernel/sys_x86_64.c | |||
diff --git a/arch/x86_64/kernel/syscall_64.c b/arch/x86/kernel/syscall_64.c index 63d592c276cc..63d592c276cc 100644 --- a/arch/x86_64/kernel/syscall_64.c +++ b/arch/x86/kernel/syscall_64.c | |||
diff --git a/arch/x86_64/kernel/tce_64.c b/arch/x86/kernel/tce_64.c index e3f2569b2c44..e3f2569b2c44 100644 --- a/arch/x86_64/kernel/tce_64.c +++ b/arch/x86/kernel/tce_64.c | |||
diff --git a/arch/x86_64/kernel/time_64.c b/arch/x86/kernel/time_64.c index 6d48a4e826d9..6d48a4e826d9 100644 --- a/arch/x86_64/kernel/time_64.c +++ b/arch/x86/kernel/time_64.c | |||
diff --git a/arch/x86_64/kernel/trampoline_64.S b/arch/x86/kernel/trampoline_64.S index 607983b0d27b..607983b0d27b 100644 --- a/arch/x86_64/kernel/trampoline_64.S +++ b/arch/x86/kernel/trampoline_64.S | |||
diff --git a/arch/x86_64/kernel/traps_64.c b/arch/x86/kernel/traps_64.c index 03888420775d..03888420775d 100644 --- a/arch/x86_64/kernel/traps_64.c +++ b/arch/x86/kernel/traps_64.c | |||
diff --git a/arch/x86_64/kernel/tsc_64.c b/arch/x86/kernel/tsc_64.c index 2a59bde663f2..2a59bde663f2 100644 --- a/arch/x86_64/kernel/tsc_64.c +++ b/arch/x86/kernel/tsc_64.c | |||
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c index 12424629af87..355f5f506c81 100644 --- a/arch/x86/kernel/tsc_sync.c +++ b/arch/x86/kernel/tsc_sync.c | |||
@@ -1 +1,187 @@ | |||
1 | #include "../../x86_64/kernel/tsc_sync.c" | 1 | /* |
2 | * arch/x86_64/kernel/tsc_sync.c: check TSC synchronization. | ||
3 | * | ||
4 | * Copyright (C) 2006, Red Hat, Inc., Ingo Molnar | ||
5 | * | ||
6 | * We check whether all boot CPUs have their TSC's synchronized, | ||
7 | * print a warning if not and turn off the TSC clock-source. | ||
8 | * | ||
9 | * The warp-check is point-to-point between two CPUs, the CPU | ||
10 | * initiating the bootup is the 'source CPU', the freshly booting | ||
11 | * CPU is the 'target CPU'. | ||
12 | * | ||
13 | * Only two CPUs may participate - they can enter in any order. | ||
14 | * ( The serial nature of the boot logic and the CPU hotplug lock | ||
15 | * protects against more than 2 CPUs entering this code. ) | ||
16 | */ | ||
17 | #include <linux/spinlock.h> | ||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/init.h> | ||
20 | #include <linux/smp.h> | ||
21 | #include <linux/nmi.h> | ||
22 | #include <asm/tsc.h> | ||
23 | |||
24 | /* | ||
25 | * Entry/exit counters that make sure that both CPUs | ||
26 | * run the measurement code at once: | ||
27 | */ | ||
28 | static __cpuinitdata atomic_t start_count; | ||
29 | static __cpuinitdata atomic_t stop_count; | ||
30 | |||
31 | /* | ||
32 | * We use a raw spinlock in this exceptional case, because | ||
33 | * we want to have the fastest, inlined, non-debug version | ||
34 | * of a critical section, to be able to prove TSC time-warps: | ||
35 | */ | ||
36 | static __cpuinitdata raw_spinlock_t sync_lock = __RAW_SPIN_LOCK_UNLOCKED; | ||
37 | static __cpuinitdata cycles_t last_tsc; | ||
38 | static __cpuinitdata cycles_t max_warp; | ||
39 | static __cpuinitdata int nr_warps; | ||
40 | |||
41 | /* | ||
42 | * TSC-warp measurement loop running on both CPUs: | ||
43 | */ | ||
44 | static __cpuinit void check_tsc_warp(void) | ||
45 | { | ||
46 | cycles_t start, now, prev, end; | ||
47 | int i; | ||
48 | |||
49 | start = get_cycles_sync(); | ||
50 | /* | ||
51 | * The measurement runs for 20 msecs: | ||
52 | */ | ||
53 | end = start + tsc_khz * 20ULL; | ||
54 | now = start; | ||
55 | |||
56 | for (i = 0; ; i++) { | ||
57 | /* | ||
58 | * We take the global lock, measure TSC, save the | ||
59 | * previous TSC that was measured (possibly on | ||
60 | * another CPU) and update the previous TSC timestamp. | ||
61 | */ | ||
62 | __raw_spin_lock(&sync_lock); | ||
63 | prev = last_tsc; | ||
64 | now = get_cycles_sync(); | ||
65 | last_tsc = now; | ||
66 | __raw_spin_unlock(&sync_lock); | ||
67 | |||
68 | /* | ||
69 | * Be nice every now and then (and also check whether | ||
70 | * measurement is done [we also insert a 100 million | ||
71 | * loops safety exit, so we dont lock up in case the | ||
72 | * TSC readout is totally broken]): | ||
73 | */ | ||
74 | if (unlikely(!(i & 7))) { | ||
75 | if (now > end || i > 100000000) | ||
76 | break; | ||
77 | cpu_relax(); | ||
78 | touch_nmi_watchdog(); | ||
79 | } | ||
80 | /* | ||
81 | * Outside the critical section we can now see whether | ||
82 | * we saw a time-warp of the TSC going backwards: | ||
83 | */ | ||
84 | if (unlikely(prev > now)) { | ||
85 | __raw_spin_lock(&sync_lock); | ||
86 | max_warp = max(max_warp, prev - now); | ||
87 | nr_warps++; | ||
88 | __raw_spin_unlock(&sync_lock); | ||
89 | } | ||
90 | |||
91 | } | ||
92 | } | ||
93 | |||
94 | /* | ||
95 | * Source CPU calls into this - it waits for the freshly booted | ||
96 | * target CPU to arrive and then starts the measurement: | ||
97 | */ | ||
98 | void __cpuinit check_tsc_sync_source(int cpu) | ||
99 | { | ||
100 | int cpus = 2; | ||
101 | |||
102 | /* | ||
103 | * No need to check if we already know that the TSC is not | ||
104 | * synchronized: | ||
105 | */ | ||
106 | if (unsynchronized_tsc()) | ||
107 | return; | ||
108 | |||
109 | printk(KERN_INFO "checking TSC synchronization [CPU#%d -> CPU#%d]:", | ||
110 | smp_processor_id(), cpu); | ||
111 | |||
112 | /* | ||
113 | * Reset it - in case this is a second bootup: | ||
114 | */ | ||
115 | atomic_set(&stop_count, 0); | ||
116 | |||
117 | /* | ||
118 | * Wait for the target to arrive: | ||
119 | */ | ||
120 | while (atomic_read(&start_count) != cpus-1) | ||
121 | cpu_relax(); | ||
122 | /* | ||
123 | * Trigger the target to continue into the measurement too: | ||
124 | */ | ||
125 | atomic_inc(&start_count); | ||
126 | |||
127 | check_tsc_warp(); | ||
128 | |||
129 | while (atomic_read(&stop_count) != cpus-1) | ||
130 | cpu_relax(); | ||
131 | |||
132 | /* | ||
133 | * Reset it - just in case we boot another CPU later: | ||
134 | */ | ||
135 | atomic_set(&start_count, 0); | ||
136 | |||
137 | if (nr_warps) { | ||
138 | printk("\n"); | ||
139 | printk(KERN_WARNING "Measured %Ld cycles TSC warp between CPUs," | ||
140 | " turning off TSC clock.\n", max_warp); | ||
141 | mark_tsc_unstable("check_tsc_sync_source failed"); | ||
142 | nr_warps = 0; | ||
143 | max_warp = 0; | ||
144 | last_tsc = 0; | ||
145 | } else { | ||
146 | printk(" passed.\n"); | ||
147 | } | ||
148 | |||
149 | /* | ||
150 | * Let the target continue with the bootup: | ||
151 | */ | ||
152 | atomic_inc(&stop_count); | ||
153 | } | ||
154 | |||
155 | /* | ||
156 | * Freshly booted CPUs call into this: | ||
157 | */ | ||
158 | void __cpuinit check_tsc_sync_target(void) | ||
159 | { | ||
160 | int cpus = 2; | ||
161 | |||
162 | if (unsynchronized_tsc()) | ||
163 | return; | ||
164 | |||
165 | /* | ||
166 | * Register this CPU's participation and wait for the | ||
167 | * source CPU to start the measurement: | ||
168 | */ | ||
169 | atomic_inc(&start_count); | ||
170 | while (atomic_read(&start_count) != cpus) | ||
171 | cpu_relax(); | ||
172 | |||
173 | check_tsc_warp(); | ||
174 | |||
175 | /* | ||
176 | * Ok, we are done: | ||
177 | */ | ||
178 | atomic_inc(&stop_count); | ||
179 | |||
180 | /* | ||
181 | * Wait for the source CPU to print stuff: | ||
182 | */ | ||
183 | while (atomic_read(&stop_count) != cpus) | ||
184 | cpu_relax(); | ||
185 | } | ||
186 | #undef NR_LOOPS | ||
187 | |||
diff --git a/arch/x86_64/kernel/verify_cpu_64.S b/arch/x86/kernel/verify_cpu_64.S index 45b6f8a975a1..45b6f8a975a1 100644 --- a/arch/x86_64/kernel/verify_cpu_64.S +++ b/arch/x86/kernel/verify_cpu_64.S | |||
diff --git a/arch/x86_64/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S index ba8ea97abd21..ba8ea97abd21 100644 --- a/arch/x86_64/kernel/vmlinux_64.lds.S +++ b/arch/x86/kernel/vmlinux_64.lds.S | |||
diff --git a/arch/x86_64/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c index 414caf0c5f9a..414caf0c5f9a 100644 --- a/arch/x86_64/kernel/vsmp_64.c +++ b/arch/x86/kernel/vsmp_64.c | |||
diff --git a/arch/x86_64/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index 06c34949bfdc..06c34949bfdc 100644 --- a/arch/x86_64/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c | |||
diff --git a/arch/x86_64/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c index 77c25b307635..77c25b307635 100644 --- a/arch/x86_64/kernel/x8664_ksyms_64.c +++ b/arch/x86/kernel/x8664_ksyms_64.c | |||
diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile index 189d80d3a891..afaf0f998878 100644 --- a/arch/x86_64/Makefile +++ b/arch/x86_64/Makefile | |||
@@ -21,6 +21,13 @@ | |||
21 | # | 21 | # |
22 | # $Id: Makefile,v 1.31 2002/03/22 15:56:07 ak Exp $ | 22 | # $Id: Makefile,v 1.31 2002/03/22 15:56:07 ak Exp $ |
23 | 23 | ||
24 | # Fill in SRCARCH | ||
25 | SRCARCH := x86 | ||
26 | |||
27 | archprepare: | ||
28 | @mkdir -p ${objtree}/arch/x86/kernel | ||
29 | |||
30 | |||
24 | LDFLAGS := -m elf_x86_64 | 31 | LDFLAGS := -m elf_x86_64 |
25 | OBJCOPYFLAGS := -O binary -R .note -R .comment -S | 32 | OBJCOPYFLAGS := -O binary -R .note -R .comment -S |
26 | LDFLAGS_vmlinux := | 33 | LDFLAGS_vmlinux := |
@@ -71,10 +78,10 @@ CFLAGS += $(cflags-y) | |||
71 | CFLAGS_KERNEL += $(cflags-kernel-y) | 78 | CFLAGS_KERNEL += $(cflags-kernel-y) |
72 | AFLAGS += -m64 | 79 | AFLAGS += -m64 |
73 | 80 | ||
74 | head-y := arch/x86_64/kernel/head_64.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task_64.o | 81 | head-y := arch/x86/kernel/head_64.o arch/x86/kernel/head64.o arch/x86/kernel/init_task_64.o |
75 | 82 | ||
76 | libs-y += arch/x86/lib/ | 83 | libs-y += arch/x86/lib/ |
77 | core-y += arch/x86_64/kernel/ \ | 84 | core-y += arch/x86/kernel/ \ |
78 | arch/x86/mm/ \ | 85 | arch/x86/mm/ \ |
79 | arch/x86/crypto/ \ | 86 | arch/x86/crypto/ \ |
80 | arch/x86/vdso/ | 87 | arch/x86/vdso/ |
diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile deleted file mode 100644 index 577d08f4b8bb..000000000000 --- a/arch/x86_64/kernel/Makefile +++ /dev/null | |||
@@ -1,5 +0,0 @@ | |||
1 | ifeq ($(CONFIG_X86_32),y) | ||
2 | include ${srctree}/arch/x86/kernel/Makefile_32 | ||
3 | else | ||
4 | include ${srctree}/arch/x86_64/kernel/Makefile_64 | ||
5 | endif | ||
diff --git a/arch/x86_64/kernel/asm-offsets.c b/arch/x86_64/kernel/asm-offsets.c deleted file mode 100644 index cfa82c899f47..000000000000 --- a/arch/x86_64/kernel/asm-offsets.c +++ /dev/null | |||
@@ -1,5 +0,0 @@ | |||
1 | #ifdef CONFIG_X86_32 | ||
2 | # include "asm-offsets_32.c" | ||
3 | #else | ||
4 | # include "asm-offsets_64.c" | ||
5 | #endif | ||
diff --git a/arch/x86_64/kernel/early_printk.c b/arch/x86_64/kernel/early_printk.c deleted file mode 100644 index fd9aff3f3890..000000000000 --- a/arch/x86_64/kernel/early_printk.c +++ /dev/null | |||
@@ -1,259 +0,0 @@ | |||
1 | #include <linux/console.h> | ||
2 | #include <linux/kernel.h> | ||
3 | #include <linux/init.h> | ||
4 | #include <linux/string.h> | ||
5 | #include <linux/screen_info.h> | ||
6 | #include <asm/io.h> | ||
7 | #include <asm/processor.h> | ||
8 | #include <asm/fcntl.h> | ||
9 | #include <xen/hvc-console.h> | ||
10 | |||
11 | /* Simple VGA output */ | ||
12 | |||
13 | #ifdef __i386__ | ||
14 | #include <asm/setup.h> | ||
15 | #else | ||
16 | #include <asm/bootsetup.h> | ||
17 | #endif | ||
18 | #define VGABASE (__ISA_IO_base + 0xb8000) | ||
19 | |||
20 | static int max_ypos = 25, max_xpos = 80; | ||
21 | static int current_ypos = 25, current_xpos = 0; | ||
22 | |||
23 | static void early_vga_write(struct console *con, const char *str, unsigned n) | ||
24 | { | ||
25 | char c; | ||
26 | int i, k, j; | ||
27 | |||
28 | while ((c = *str++) != '\0' && n-- > 0) { | ||
29 | if (current_ypos >= max_ypos) { | ||
30 | /* scroll 1 line up */ | ||
31 | for (k = 1, j = 0; k < max_ypos; k++, j++) { | ||
32 | for (i = 0; i < max_xpos; i++) { | ||
33 | writew(readw(VGABASE+2*(max_xpos*k+i)), | ||
34 | VGABASE + 2*(max_xpos*j + i)); | ||
35 | } | ||
36 | } | ||
37 | for (i = 0; i < max_xpos; i++) | ||
38 | writew(0x720, VGABASE + 2*(max_xpos*j + i)); | ||
39 | current_ypos = max_ypos-1; | ||
40 | } | ||
41 | if (c == '\n') { | ||
42 | current_xpos = 0; | ||
43 | current_ypos++; | ||
44 | } else if (c != '\r') { | ||
45 | writew(((0x7 << 8) | (unsigned short) c), | ||
46 | VGABASE + 2*(max_xpos*current_ypos + | ||
47 | current_xpos++)); | ||
48 | if (current_xpos >= max_xpos) { | ||
49 | current_xpos = 0; | ||
50 | current_ypos++; | ||
51 | } | ||
52 | } | ||
53 | } | ||
54 | } | ||
55 | |||
56 | static struct console early_vga_console = { | ||
57 | .name = "earlyvga", | ||
58 | .write = early_vga_write, | ||
59 | .flags = CON_PRINTBUFFER, | ||
60 | .index = -1, | ||
61 | }; | ||
62 | |||
63 | /* Serial functions loosely based on a similar package from Klaus P. Gerlicher */ | ||
64 | |||
65 | static int early_serial_base = 0x3f8; /* ttyS0 */ | ||
66 | |||
67 | #define XMTRDY 0x20 | ||
68 | |||
69 | #define DLAB 0x80 | ||
70 | |||
71 | #define TXR 0 /* Transmit register (WRITE) */ | ||
72 | #define RXR 0 /* Receive register (READ) */ | ||
73 | #define IER 1 /* Interrupt Enable */ | ||
74 | #define IIR 2 /* Interrupt ID */ | ||
75 | #define FCR 2 /* FIFO control */ | ||
76 | #define LCR 3 /* Line control */ | ||
77 | #define MCR 4 /* Modem control */ | ||
78 | #define LSR 5 /* Line Status */ | ||
79 | #define MSR 6 /* Modem Status */ | ||
80 | #define DLL 0 /* Divisor Latch Low */ | ||
81 | #define DLH 1 /* Divisor latch High */ | ||
82 | |||
83 | static int early_serial_putc(unsigned char ch) | ||
84 | { | ||
85 | unsigned timeout = 0xffff; | ||
86 | while ((inb(early_serial_base + LSR) & XMTRDY) == 0 && --timeout) | ||
87 | cpu_relax(); | ||
88 | outb(ch, early_serial_base + TXR); | ||
89 | return timeout ? 0 : -1; | ||
90 | } | ||
91 | |||
92 | static void early_serial_write(struct console *con, const char *s, unsigned n) | ||
93 | { | ||
94 | while (*s && n-- > 0) { | ||
95 | if (*s == '\n') | ||
96 | early_serial_putc('\r'); | ||
97 | early_serial_putc(*s); | ||
98 | s++; | ||
99 | } | ||
100 | } | ||
101 | |||
102 | #define DEFAULT_BAUD 9600 | ||
103 | |||
104 | static __init void early_serial_init(char *s) | ||
105 | { | ||
106 | unsigned char c; | ||
107 | unsigned divisor; | ||
108 | unsigned baud = DEFAULT_BAUD; | ||
109 | char *e; | ||
110 | |||
111 | if (*s == ',') | ||
112 | ++s; | ||
113 | |||
114 | if (*s) { | ||
115 | unsigned port; | ||
116 | if (!strncmp(s,"0x",2)) { | ||
117 | early_serial_base = simple_strtoul(s, &e, 16); | ||
118 | } else { | ||
119 | static int bases[] = { 0x3f8, 0x2f8 }; | ||
120 | |||
121 | if (!strncmp(s,"ttyS",4)) | ||
122 | s += 4; | ||
123 | port = simple_strtoul(s, &e, 10); | ||
124 | if (port > 1 || s == e) | ||
125 | port = 0; | ||
126 | early_serial_base = bases[port]; | ||
127 | } | ||
128 | s += strcspn(s, ","); | ||
129 | if (*s == ',') | ||
130 | s++; | ||
131 | } | ||
132 | |||
133 | outb(0x3, early_serial_base + LCR); /* 8n1 */ | ||
134 | outb(0, early_serial_base + IER); /* no interrupt */ | ||
135 | outb(0, early_serial_base + FCR); /* no fifo */ | ||
136 | outb(0x3, early_serial_base + MCR); /* DTR + RTS */ | ||
137 | |||
138 | if (*s) { | ||
139 | baud = simple_strtoul(s, &e, 0); | ||
140 | if (baud == 0 || s == e) | ||
141 | baud = DEFAULT_BAUD; | ||
142 | } | ||
143 | |||
144 | divisor = 115200 / baud; | ||
145 | c = inb(early_serial_base + LCR); | ||
146 | outb(c | DLAB, early_serial_base + LCR); | ||
147 | outb(divisor & 0xff, early_serial_base + DLL); | ||
148 | outb((divisor >> 8) & 0xff, early_serial_base + DLH); | ||
149 | outb(c & ~DLAB, early_serial_base + LCR); | ||
150 | } | ||
151 | |||
152 | static struct console early_serial_console = { | ||
153 | .name = "earlyser", | ||
154 | .write = early_serial_write, | ||
155 | .flags = CON_PRINTBUFFER, | ||
156 | .index = -1, | ||
157 | }; | ||
158 | |||
159 | /* Console interface to a host file on AMD's SimNow! */ | ||
160 | |||
161 | static int simnow_fd; | ||
162 | |||
163 | enum { | ||
164 | MAGIC1 = 0xBACCD00A, | ||
165 | MAGIC2 = 0xCA110000, | ||
166 | XOPEN = 5, | ||
167 | XWRITE = 4, | ||
168 | }; | ||
169 | |||
170 | static noinline long simnow(long cmd, long a, long b, long c) | ||
171 | { | ||
172 | long ret; | ||
173 | asm volatile("cpuid" : | ||
174 | "=a" (ret) : | ||
175 | "b" (a), "c" (b), "d" (c), "0" (MAGIC1), "D" (cmd + MAGIC2)); | ||
176 | return ret; | ||
177 | } | ||
178 | |||
179 | static void __init simnow_init(char *str) | ||
180 | { | ||
181 | char *fn = "klog"; | ||
182 | if (*str == '=') | ||
183 | fn = ++str; | ||
184 | /* error ignored */ | ||
185 | simnow_fd = simnow(XOPEN, (unsigned long)fn, O_WRONLY|O_APPEND|O_CREAT, 0644); | ||
186 | } | ||
187 | |||
188 | static void simnow_write(struct console *con, const char *s, unsigned n) | ||
189 | { | ||
190 | simnow(XWRITE, simnow_fd, (unsigned long)s, n); | ||
191 | } | ||
192 | |||
193 | static struct console simnow_console = { | ||
194 | .name = "simnow", | ||
195 | .write = simnow_write, | ||
196 | .flags = CON_PRINTBUFFER, | ||
197 | .index = -1, | ||
198 | }; | ||
199 | |||
200 | /* Direct interface for emergencies */ | ||
201 | struct console *early_console = &early_vga_console; | ||
202 | static int early_console_initialized = 0; | ||
203 | |||
204 | void early_printk(const char *fmt, ...) | ||
205 | { | ||
206 | char buf[512]; | ||
207 | int n; | ||
208 | va_list ap; | ||
209 | |||
210 | va_start(ap,fmt); | ||
211 | n = vscnprintf(buf,512,fmt,ap); | ||
212 | early_console->write(early_console,buf,n); | ||
213 | va_end(ap); | ||
214 | } | ||
215 | |||
216 | static int __initdata keep_early; | ||
217 | |||
218 | static int __init setup_early_printk(char *buf) | ||
219 | { | ||
220 | if (!buf) | ||
221 | return 0; | ||
222 | |||
223 | if (early_console_initialized) | ||
224 | return 0; | ||
225 | early_console_initialized = 1; | ||
226 | |||
227 | if (strstr(buf, "keep")) | ||
228 | keep_early = 1; | ||
229 | |||
230 | if (!strncmp(buf, "serial", 6)) { | ||
231 | early_serial_init(buf + 6); | ||
232 | early_console = &early_serial_console; | ||
233 | } else if (!strncmp(buf, "ttyS", 4)) { | ||
234 | early_serial_init(buf); | ||
235 | early_console = &early_serial_console; | ||
236 | } else if (!strncmp(buf, "vga", 3) | ||
237 | && SCREEN_INFO.orig_video_isVGA == 1) { | ||
238 | max_xpos = SCREEN_INFO.orig_video_cols; | ||
239 | max_ypos = SCREEN_INFO.orig_video_lines; | ||
240 | current_ypos = SCREEN_INFO.orig_y; | ||
241 | early_console = &early_vga_console; | ||
242 | } else if (!strncmp(buf, "simnow", 6)) { | ||
243 | simnow_init(buf + 6); | ||
244 | early_console = &simnow_console; | ||
245 | keep_early = 1; | ||
246 | #ifdef CONFIG_HVC_XEN | ||
247 | } else if (!strncmp(buf, "xen", 3)) { | ||
248 | early_console = &xenboot_console; | ||
249 | #endif | ||
250 | } | ||
251 | |||
252 | if (keep_early) | ||
253 | early_console->flags &= ~CON_BOOT; | ||
254 | else | ||
255 | early_console->flags |= CON_BOOT; | ||
256 | register_console(early_console); | ||
257 | return 0; | ||
258 | } | ||
259 | early_param("earlyprintk", setup_early_printk); | ||
diff --git a/arch/x86_64/kernel/tsc_sync.c b/arch/x86_64/kernel/tsc_sync.c deleted file mode 100644 index 355f5f506c81..000000000000 --- a/arch/x86_64/kernel/tsc_sync.c +++ /dev/null | |||
@@ -1,187 +0,0 @@ | |||
1 | /* | ||
2 | * arch/x86_64/kernel/tsc_sync.c: check TSC synchronization. | ||
3 | * | ||
4 | * Copyright (C) 2006, Red Hat, Inc., Ingo Molnar | ||
5 | * | ||
6 | * We check whether all boot CPUs have their TSC's synchronized, | ||
7 | * print a warning if not and turn off the TSC clock-source. | ||
8 | * | ||
9 | * The warp-check is point-to-point between two CPUs, the CPU | ||
10 | * initiating the bootup is the 'source CPU', the freshly booting | ||
11 | * CPU is the 'target CPU'. | ||
12 | * | ||
13 | * Only two CPUs may participate - they can enter in any order. | ||
14 | * ( The serial nature of the boot logic and the CPU hotplug lock | ||
15 | * protects against more than 2 CPUs entering this code. ) | ||
16 | */ | ||
17 | #include <linux/spinlock.h> | ||
18 | #include <linux/kernel.h> | ||
19 | #include <linux/init.h> | ||
20 | #include <linux/smp.h> | ||
21 | #include <linux/nmi.h> | ||
22 | #include <asm/tsc.h> | ||
23 | |||
24 | /* | ||
25 | * Entry/exit counters that make sure that both CPUs | ||
26 | * run the measurement code at once: | ||
27 | */ | ||
28 | static __cpuinitdata atomic_t start_count; | ||
29 | static __cpuinitdata atomic_t stop_count; | ||
30 | |||
31 | /* | ||
32 | * We use a raw spinlock in this exceptional case, because | ||
33 | * we want to have the fastest, inlined, non-debug version | ||
34 | * of a critical section, to be able to prove TSC time-warps: | ||
35 | */ | ||
36 | static __cpuinitdata raw_spinlock_t sync_lock = __RAW_SPIN_LOCK_UNLOCKED; | ||
37 | static __cpuinitdata cycles_t last_tsc; | ||
38 | static __cpuinitdata cycles_t max_warp; | ||
39 | static __cpuinitdata int nr_warps; | ||
40 | |||
41 | /* | ||
42 | * TSC-warp measurement loop running on both CPUs: | ||
43 | */ | ||
44 | static __cpuinit void check_tsc_warp(void) | ||
45 | { | ||
46 | cycles_t start, now, prev, end; | ||
47 | int i; | ||
48 | |||
49 | start = get_cycles_sync(); | ||
50 | /* | ||
51 | * The measurement runs for 20 msecs: | ||
52 | */ | ||
53 | end = start + tsc_khz * 20ULL; | ||
54 | now = start; | ||
55 | |||
56 | for (i = 0; ; i++) { | ||
57 | /* | ||
58 | * We take the global lock, measure TSC, save the | ||
59 | * previous TSC that was measured (possibly on | ||
60 | * another CPU) and update the previous TSC timestamp. | ||
61 | */ | ||
62 | __raw_spin_lock(&sync_lock); | ||
63 | prev = last_tsc; | ||
64 | now = get_cycles_sync(); | ||
65 | last_tsc = now; | ||
66 | __raw_spin_unlock(&sync_lock); | ||
67 | |||
68 | /* | ||
69 | * Be nice every now and then (and also check whether | ||
70 | * measurement is done [we also insert a 100 million | ||
71 | * loops safety exit, so we dont lock up in case the | ||
72 | * TSC readout is totally broken]): | ||
73 | */ | ||
74 | if (unlikely(!(i & 7))) { | ||
75 | if (now > end || i > 100000000) | ||
76 | break; | ||
77 | cpu_relax(); | ||
78 | touch_nmi_watchdog(); | ||
79 | } | ||
80 | /* | ||
81 | * Outside the critical section we can now see whether | ||
82 | * we saw a time-warp of the TSC going backwards: | ||
83 | */ | ||
84 | if (unlikely(prev > now)) { | ||
85 | __raw_spin_lock(&sync_lock); | ||
86 | max_warp = max(max_warp, prev - now); | ||
87 | nr_warps++; | ||
88 | __raw_spin_unlock(&sync_lock); | ||
89 | } | ||
90 | |||
91 | } | ||
92 | } | ||
93 | |||
94 | /* | ||
95 | * Source CPU calls into this - it waits for the freshly booted | ||
96 | * target CPU to arrive and then starts the measurement: | ||
97 | */ | ||
98 | void __cpuinit check_tsc_sync_source(int cpu) | ||
99 | { | ||
100 | int cpus = 2; | ||
101 | |||
102 | /* | ||
103 | * No need to check if we already know that the TSC is not | ||
104 | * synchronized: | ||
105 | */ | ||
106 | if (unsynchronized_tsc()) | ||
107 | return; | ||
108 | |||
109 | printk(KERN_INFO "checking TSC synchronization [CPU#%d -> CPU#%d]:", | ||
110 | smp_processor_id(), cpu); | ||
111 | |||
112 | /* | ||
113 | * Reset it - in case this is a second bootup: | ||
114 | */ | ||
115 | atomic_set(&stop_count, 0); | ||
116 | |||
117 | /* | ||
118 | * Wait for the target to arrive: | ||
119 | */ | ||
120 | while (atomic_read(&start_count) != cpus-1) | ||
121 | cpu_relax(); | ||
122 | /* | ||
123 | * Trigger the target to continue into the measurement too: | ||
124 | */ | ||
125 | atomic_inc(&start_count); | ||
126 | |||
127 | check_tsc_warp(); | ||
128 | |||
129 | while (atomic_read(&stop_count) != cpus-1) | ||
130 | cpu_relax(); | ||
131 | |||
132 | /* | ||
133 | * Reset it - just in case we boot another CPU later: | ||
134 | */ | ||
135 | atomic_set(&start_count, 0); | ||
136 | |||
137 | if (nr_warps) { | ||
138 | printk("\n"); | ||
139 | printk(KERN_WARNING "Measured %Ld cycles TSC warp between CPUs," | ||
140 | " turning off TSC clock.\n", max_warp); | ||
141 | mark_tsc_unstable("check_tsc_sync_source failed"); | ||
142 | nr_warps = 0; | ||
143 | max_warp = 0; | ||
144 | last_tsc = 0; | ||
145 | } else { | ||
146 | printk(" passed.\n"); | ||
147 | } | ||
148 | |||
149 | /* | ||
150 | * Let the target continue with the bootup: | ||
151 | */ | ||
152 | atomic_inc(&stop_count); | ||
153 | } | ||
154 | |||
155 | /* | ||
156 | * Freshly booted CPUs call into this: | ||
157 | */ | ||
158 | void __cpuinit check_tsc_sync_target(void) | ||
159 | { | ||
160 | int cpus = 2; | ||
161 | |||
162 | if (unsynchronized_tsc()) | ||
163 | return; | ||
164 | |||
165 | /* | ||
166 | * Register this CPU's participation and wait for the | ||
167 | * source CPU to start the measurement: | ||
168 | */ | ||
169 | atomic_inc(&start_count); | ||
170 | while (atomic_read(&start_count) != cpus) | ||
171 | cpu_relax(); | ||
172 | |||
173 | check_tsc_warp(); | ||
174 | |||
175 | /* | ||
176 | * Ok, we are done: | ||
177 | */ | ||
178 | atomic_inc(&stop_count); | ||
179 | |||
180 | /* | ||
181 | * Wait for the source CPU to print stuff: | ||
182 | */ | ||
183 | while (atomic_read(&stop_count) != cpus) | ||
184 | cpu_relax(); | ||
185 | } | ||
186 | #undef NR_LOOPS | ||
187 | |||
diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S deleted file mode 100644 index 849ee611f013..000000000000 --- a/arch/x86_64/kernel/vmlinux.lds.S +++ /dev/null | |||
@@ -1,5 +0,0 @@ | |||
1 | #ifdef CONFIG_X86_32 | ||
2 | # include "vmlinux_32.lds.S" | ||
3 | #else | ||
4 | # include "vmlinux_64.lds.S" | ||
5 | #endif | ||