[SPARC64]: Hypervisor TSB context switching.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/asm-sparc64/mmu.h b/include/asm-sparc64/mmu.h
index 55e62271..473d990 100644
--- a/include/asm-sparc64/mmu.h
+++ b/include/asm-sparc64/mmu.h
@@ -4,6 +4,7 @@
#include <linux/config.h>
#include <asm/page.h>
#include <asm/const.h>
+#include <asm/hypervisor.h>
/*
* For the 8k pagesize kernel, use only 10 hw context bits to optimize some
@@ -101,13 +102,14 @@
extern void tsb_flush(unsigned long ent, unsigned long tag);
typedef struct {
- unsigned long sparc64_ctx_val;
- struct tsb *tsb;
- unsigned long tsb_rss_limit;
- unsigned long tsb_nentries;
- unsigned long tsb_reg_val;
- unsigned long tsb_map_vaddr;
- unsigned long tsb_map_pte;
+ unsigned long sparc64_ctx_val;
+ struct tsb *tsb;
+ unsigned long tsb_rss_limit;
+ unsigned long tsb_nentries;
+ unsigned long tsb_reg_val;
+ unsigned long tsb_map_vaddr;
+ unsigned long tsb_map_pte;
+ struct hv_tsb_descr tsb_descr;
} mm_context_t;
#endif /* !__ASSEMBLY__ */
diff --git a/include/asm-sparc64/mmu_context.h b/include/asm-sparc64/mmu_context.h
index 2760353..eb660b1 100644
--- a/include/asm-sparc64/mmu_context.h
+++ b/include/asm-sparc64/mmu_context.h
@@ -22,14 +22,18 @@
extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
extern void destroy_context(struct mm_struct *mm);
-extern void __tsb_context_switch(unsigned long pgd_pa, unsigned long tsb_reg,
- unsigned long tsb_vaddr, unsigned long tsb_pte);
+extern void __tsb_context_switch(unsigned long pgd_pa,
+ unsigned long tsb_reg,
+ unsigned long tsb_vaddr,
+ unsigned long tsb_pte,
+ unsigned long tsb_descr_pa);
static inline void tsb_context_switch(struct mm_struct *mm)
{
__tsb_context_switch(__pa(mm->pgd), mm->context.tsb_reg_val,
mm->context.tsb_map_vaddr,
- mm->context.tsb_map_pte);
+ mm->context.tsb_map_pte,
+ __pa(&mm->context.tsb_descr));
}
extern void tsb_grow(struct mm_struct *mm, unsigned long mm_rss, gfp_t gfp_flags);
