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| author | Jeff Garzik <jeff@garzik.org> | 2006-09-27 22:16:47 (GMT) |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-09-27 22:16:47 (GMT) |
| commit | 3b9f6cb8a1ec791be79c6c7595fea922f12d1e64 (patch) | |
| tree | 2393a448add846e6c2ed12f68106c3018b72c6a9 /include/asm-sh/mmu_context.h | |
| parent | c38778c3a9aeadcd1ee319cfc8ea5a9cbf8cdafa (diff) | |
| parent | a77c64c1a641950626181b4857abb701d8f38ccc (diff) | |
| download | linux-fsl-qoriq-3b9f6cb8a1ec791be79c6c7595fea922f12d1e64.tar.xz | |
Merge branch 'master' into upstream
Diffstat (limited to 'include/asm-sh/mmu_context.h')
| -rw-r--r-- | include/asm-sh/mmu_context.h | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/include/asm-sh/mmu_context.h b/include/asm-sh/mmu_context.h index 6760d06..c7088ef 100644 --- a/include/asm-sh/mmu_context.h +++ b/include/asm-sh/mmu_context.h @@ -49,7 +49,7 @@ get_mmu_context(struct mm_struct *mm) unsigned long mc = mmu_context_cache; /* Check if we have old version of context. */ - if (((mm->context ^ mc) & MMU_CONTEXT_VERSION_MASK) == 0) + if (((mm->context.id ^ mc) & MMU_CONTEXT_VERSION_MASK) == 0) /* It's up to date, do nothing */ return; @@ -68,7 +68,7 @@ get_mmu_context(struct mm_struct *mm) if (!mc) mmu_context_cache = mc = MMU_CONTEXT_FIRST_VERSION; } - mm->context = mc; + mm->context.id = mc; } /* @@ -78,7 +78,7 @@ get_mmu_context(struct mm_struct *mm) static __inline__ int init_new_context(struct task_struct *tsk, struct mm_struct *mm) { - mm->context = NO_CONTEXT; + mm->context.id = NO_CONTEXT; return 0; } @@ -123,7 +123,7 @@ static __inline__ unsigned long get_asid(void) static __inline__ void activate_context(struct mm_struct *mm) { get_mmu_context(mm); - set_asid(mm->context & MMU_CONTEXT_ASID_MASK); + set_asid(mm->context.id & MMU_CONTEXT_ASID_MASK); } /* MMU_TTB can be used for optimizing the fault handling. @@ -174,9 +174,7 @@ static inline void enable_mmu(void) { /* Enable MMU */ ctrl_outl(MMU_CONTROL_INIT, MMUCR); - - /* The manual suggests doing some nops after turning on the MMU */ - __asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop\n\t"); + ctrl_barrier(); if (mmu_context_cache == NO_CONTEXT) mmu_context_cache = MMU_CONTEXT_FIRST_VERSION; @@ -191,7 +189,8 @@ static inline void disable_mmu(void) cr = ctrl_inl(MMUCR); cr &= ~MMU_CONTROL_INIT; ctrl_outl(cr, MMUCR); - __asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop\n\t"); + + ctrl_barrier(); } #else /* |