#include <linux/mm.h>
#include <asm/processor.h>
-#define __flush_tlb() \
+#ifdef CONFIG_PARAVIRT
+#include <asm/paravirt.h>
+#else
+#define __flush_tlb() __native_flush_tlb()
+#define __flush_tlb_global() __native_flush_tlb_global()
+#define __flush_tlb_single(addr) __native_flush_tlb_single(addr)
+#endif
+
+#define __native_flush_tlb() \
do { \
unsigned int tmpreg; \
\
* Global pages have to be flushed a bit differently. Not a real
* performance problem because this does not happen often.
*/
-#define __flush_tlb_global() \
+#define __native_flush_tlb_global() \
do { \
unsigned int tmpreg, cr4, cr4_orig; \
\
: "memory"); \
} while (0)
-extern unsigned long pgkern_mask;
+#define __native_flush_tlb_single(addr) \
+ __asm__ __volatile__("invlpg (%0)" ::"r" (addr) : "memory")
# define __flush_tlb_all() \
do { \
#define cpu_has_invlpg (boot_cpu_data.x86 > 3)
-#define __flush_tlb_single(addr) \
- __asm__ __volatile__("invlpg %0": :"m" (*(char *) addr))
-
#ifdef CONFIG_X86_INVLPG
# define __flush_tlb_one(addr) __flush_tlb_single(addr)
#else
* - flush_tlb_range(vma, start, end) flushes a range of pages
* - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
* - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
+ * - flush_tlb_others(cpumask, mm, va) flushes a TLBs on other cpus
*
* ..but the i386 has somewhat limited tlb flushing capabilities,
* and page-granular flushes are available only on i486 and up.
*/
+#define TLB_FLUSH_ALL 0xffffffff
+
+
#ifndef CONFIG_SMP
#define flush_tlb() __flush_tlb()
__flush_tlb();
}
-#else
+static inline void native_flush_tlb_others(const cpumask_t *cpumask,
+ struct mm_struct *mm, unsigned long va)
+{
+}
+
+#else /* SMP */
#include <asm/smp.h>
flush_tlb_mm(vma->vm_mm);
}
+void native_flush_tlb_others(const cpumask_t *cpumask, struct mm_struct *mm,
+ unsigned long va);
+
#define TLBSTATE_OK 1
#define TLBSTATE_LAZY 2
char __cacheline_padding[L1_CACHE_BYTES-8];
};
DECLARE_PER_CPU(struct tlb_state, cpu_tlbstate);
+#endif /* SMP */
-
+#ifndef CONFIG_PARAVIRT
+#define flush_tlb_others(mask, mm, va) \
+ native_flush_tlb_others(&mask, mm, va)
#endif
#define flush_tlb_kernel_range(start, end) flush_tlb_all()