Message ID | 20200728033405.78469-8-npiggin@gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Use asm-generic for mmu_context no-op functions | expand |
> -----Original Message----- > From: linux-arch-owner@vger.kernel.org <linux-arch-owner@vger.kernel.org> > On Behalf Of Nicholas Piggin Acked-by: Brian Cain <bcain@codeaurora.org> > Cc: Brian Cain <bcain@codeaurora.org> > Cc: linux-hexagon@vger.kernel.org > Signed-off-by: Nicholas Piggin <npiggin@gmail.com> > --- > arch/hexagon/include/asm/mmu_context.h | 33 ++++---------------------- > 1 file changed, 5 insertions(+), 28 deletions(-) > > diff --git a/arch/hexagon/include/asm/mmu_context.h > b/arch/hexagon/include/asm/mmu_context.h > index cdc4adc0300a..81947764c47d 100644 > --- a/arch/hexagon/include/asm/mmu_context.h > +++ b/arch/hexagon/include/asm/mmu_context.h > @@ -15,39 +15,13 @@ > #include <asm/pgalloc.h> > #include <asm/mem-layout.h> > > -static inline void destroy_context(struct mm_struct *mm) -{ -} > - > /* > * VM port hides all TLB management, so "lazy TLB" isn't very > * meaningful. Even for ports to architectures with visble TLBs, > * this is almost invariably a null function. > + * > + * mm->context is set up by pgd_alloc, so no init_new_context required. > */ > -static inline void enter_lazy_tlb(struct mm_struct *mm, > - struct task_struct *tsk) > -{ > -} > - > -/* > - * Architecture-specific actions, if any, for memory map deactivation. > - */ > -static inline void deactivate_mm(struct task_struct *tsk, > - struct mm_struct *mm) > -{ > -} > - > -/** > - * init_new_context - initialize context related info for new mm_struct > instance > - * @tsk: pointer to a task struct > - * @mm: pointer to a new mm struct > - */ > -static inline int init_new_context(struct task_struct *tsk, > - struct mm_struct *mm) > -{ > - /* mm->context is set up by pgd_alloc */ > - return 0; > -} > > /* > * Switch active mm context > @@ -74,6 +48,7 @@ static inline void switch_mm(struct mm_struct *prev, > struct mm_struct *next, > /* > * Activate new memory map for task > */ > +#define activate_mm activate_mm > static inline void activate_mm(struct mm_struct *prev, struct mm_struct > *next) { > unsigned long flags; > @@ -86,4 +61,6 @@ static inline void activate_mm(struct mm_struct *prev, > struct mm_struct *next) > /* Generic hooks for arch_dup_mmap and arch_exit_mmap */ #include > <asm-generic/mm_hooks.h> > > +#include <asm-generic/mmu_context.h> > + > #endif > -- > 2.23.0
diff --git a/arch/hexagon/include/asm/mmu_context.h b/arch/hexagon/include/asm/mmu_context.h index cdc4adc0300a..81947764c47d 100644 --- a/arch/hexagon/include/asm/mmu_context.h +++ b/arch/hexagon/include/asm/mmu_context.h @@ -15,39 +15,13 @@ #include <asm/pgalloc.h> #include <asm/mem-layout.h> -static inline void destroy_context(struct mm_struct *mm) -{ -} - /* * VM port hides all TLB management, so "lazy TLB" isn't very * meaningful. Even for ports to architectures with visble TLBs, * this is almost invariably a null function. + * + * mm->context is set up by pgd_alloc, so no init_new_context required. */ -static inline void enter_lazy_tlb(struct mm_struct *mm, - struct task_struct *tsk) -{ -} - -/* - * Architecture-specific actions, if any, for memory map deactivation. - */ -static inline void deactivate_mm(struct task_struct *tsk, - struct mm_struct *mm) -{ -} - -/** - * init_new_context - initialize context related info for new mm_struct instance - * @tsk: pointer to a task struct - * @mm: pointer to a new mm struct - */ -static inline int init_new_context(struct task_struct *tsk, - struct mm_struct *mm) -{ - /* mm->context is set up by pgd_alloc */ - return 0; -} /* * Switch active mm context @@ -74,6 +48,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, /* * Activate new memory map for task */ +#define activate_mm activate_mm static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next) { unsigned long flags; @@ -86,4 +61,6 @@ static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next) /* Generic hooks for arch_dup_mmap and arch_exit_mmap */ #include <asm-generic/mm_hooks.h> +#include <asm-generic/mmu_context.h> + #endif
Cc: Brian Cain <bcain@codeaurora.org> Cc: linux-hexagon@vger.kernel.org Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- arch/hexagon/include/asm/mmu_context.h | 33 ++++---------------------- 1 file changed, 5 insertions(+), 28 deletions(-)