Message ID | 20200728033405.78469-24-npiggin@gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Use asm-generic for mmu_context no-op functions | expand |
On Tue, Jul 28, 2020 at 01:34:04PM +1000, Nicholas Piggin wrote: > Cc: Thomas Gleixner <tglx@linutronix.de> > Cc: Ingo Molnar <mingo@redhat.com> > Cc: Borislav Petkov <bp@alien8.de> > Cc: x86@kernel.org > Cc: "H. Peter Anvin" <hpa@zytor.com> > Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> > --- > arch/x86/include/asm/mmu_context.h | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h > index 47562147e70b..255750548433 100644 > --- a/arch/x86/include/asm/mmu_context.h > +++ b/arch/x86/include/asm/mmu_context.h > @@ -92,12 +92,14 @@ static inline void switch_ldt(struct mm_struct *prev, struct mm_struct *next) > } > #endif > > +#define enter_lazy_tlb enter_lazy_tlb > extern void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk); > > /* > * Init a new mm. Used on mm copies, like at fork() > * and on mm's that are brand-new, like at execve(). > */ > +#define init_new_context init_new_context > static inline int init_new_context(struct task_struct *tsk, > struct mm_struct *mm) > { > @@ -117,6 +119,8 @@ static inline int init_new_context(struct task_struct *tsk, > init_new_context_ldt(mm); > return 0; > } > + > +#define destroy_context destroy_context > static inline void destroy_context(struct mm_struct *mm) > { > destroy_context_ldt(mm); > @@ -215,4 +219,6 @@ static inline bool arch_vma_access_permitted(struct vm_area_struct *vma, > > unsigned long __get_current_cr3_fast(void); > > +#include <asm-generic/mmu_context.h> > + > #endif /* _ASM_X86_MMU_CONTEXT_H */ > -- > 2.23.0 >
diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h index 47562147e70b..255750548433 100644 --- a/arch/x86/include/asm/mmu_context.h +++ b/arch/x86/include/asm/mmu_context.h @@ -92,12 +92,14 @@ static inline void switch_ldt(struct mm_struct *prev, struct mm_struct *next) } #endif +#define enter_lazy_tlb enter_lazy_tlb extern void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk); /* * Init a new mm. Used on mm copies, like at fork() * and on mm's that are brand-new, like at execve(). */ +#define init_new_context init_new_context static inline int init_new_context(struct task_struct *tsk, struct mm_struct *mm) { @@ -117,6 +119,8 @@ static inline int init_new_context(struct task_struct *tsk, init_new_context_ldt(mm); return 0; } + +#define destroy_context destroy_context static inline void destroy_context(struct mm_struct *mm) { destroy_context_ldt(mm); @@ -215,4 +219,6 @@ static inline bool arch_vma_access_permitted(struct vm_area_struct *vma, unsigned long __get_current_cr3_fast(void); +#include <asm-generic/mmu_context.h> + #endif /* _ASM_X86_MMU_CONTEXT_H */
Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: x86@kernel.org Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- arch/x86/include/asm/mmu_context.h | 6 ++++++ 1 file changed, 6 insertions(+)