aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/cpu/intel.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/cpu/intel.c')
-rw-r--r--arch/x86/kernel/cpu/intel.c71
1 files changed, 0 insertions, 71 deletions
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index b75f2569b8f8..77618c717d76 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -23,13 +23,6 @@
23#include <mach_apic.h> 23#include <mach_apic.h>
24#endif 24#endif
25 25
26#ifdef CONFIG_X86_INTEL_USERCOPY
27/*
28 * Alignment at which movsl is preferred for bulk memory copies.
29 */
30struct movsl_mask movsl_mask __read_mostly;
31#endif
32
33static void __cpuinit early_init_intel(struct cpuinfo_x86 *c) 26static void __cpuinit early_init_intel(struct cpuinfo_x86 *c)
34{ 27{
35 /* Netburst reports 64 bytes clflush size, but does IO in 128 bytes */ 28 /* Netburst reports 64 bytes clflush size, but does IO in 128 bytes */
@@ -314,69 +307,5 @@ static struct cpu_dev intel_cpu_dev __cpuinitdata = {
314 307
315cpu_vendor_dev_register(X86_VENDOR_INTEL, &intel_cpu_dev); 308cpu_vendor_dev_register(X86_VENDOR_INTEL, &intel_cpu_dev);
316 309
317#ifndef CONFIG_X86_CMPXCHG
318unsigned long cmpxchg_386_u8(volatile void *ptr, u8 old, u8 new)
319{
320 u8 prev;
321 unsigned long flags;
322
323 /* Poor man's cmpxchg for 386. Unsuitable for SMP */
324 local_irq_save(flags);
325 prev = *(u8 *)ptr;
326 if (prev == old)
327 *(u8 *)ptr = new;
328 local_irq_restore(flags);
329 return prev;
330}
331EXPORT_SYMBOL(cmpxchg_386_u8);
332
333unsigned long cmpxchg_386_u16(volatile void *ptr, u16 old, u16 new)
334{
335 u16 prev;
336 unsigned long flags;
337
338 /* Poor man's cmpxchg for 386. Unsuitable for SMP */
339 local_irq_save(flags);
340 prev = *(u16 *)ptr;
341 if (prev == old)
342 *(u16 *)ptr = new;
343 local_irq_restore(flags);
344 return prev;
345}
346EXPORT_SYMBOL(cmpxchg_386_u16);
347
348unsigned long cmpxchg_386_u32(volatile void *ptr, u32 old, u32 new)
349{
350 u32 prev;
351 unsigned long flags;
352
353 /* Poor man's cmpxchg for 386. Unsuitable for SMP */
354 local_irq_save(flags);
355 prev = *(u32 *)ptr;
356 if (prev == old)
357 *(u32 *)ptr = new;
358 local_irq_restore(flags);
359 return prev;
360}
361EXPORT_SYMBOL(cmpxchg_386_u32);
362#endif
363
364#ifndef CONFIG_X86_CMPXCHG64
365unsigned long long cmpxchg_486_u64(volatile void *ptr, u64 old, u64 new)
366{
367 u64 prev;
368 unsigned long flags;
369
370 /* Poor man's cmpxchg8b for 386 and 486. Unsuitable for SMP */
371 local_irq_save(flags);
372 prev = *(u64 *)ptr;
373 if (prev == old)
374 *(u64 *)ptr = new;
375 local_irq_restore(flags);
376 return prev;
377}
378EXPORT_SYMBOL(cmpxchg_486_u64);
379#endif
380
381/* arch_initcall(intel_cpu_init); */ 310/* arch_initcall(intel_cpu_init); */
382 311