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Tue, 01 Sep 2020 07:16:26 -0700 (PDT) From: Nicholas Piggin To: linux-arch@vger.kernel.org Cc: Nicholas Piggin , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Arnd Bergmann , Michal Simek Subject: [PATCH v3 10/23] microblaze: use asm-generic/mmu_context.h for no-op implementations Date: Wed, 2 Sep 2020 00:15:26 +1000 Message-Id: <20200901141539.1757549-11-npiggin@gmail.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200901141539.1757549-1-npiggin@gmail.com> References: <20200901141539.1757549-1-npiggin@gmail.com> MIME-Version: 1.0 X-Rspamd-Queue-Id: D910C180C0F89 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Wire asm-generic/mmu_context.h to provide generic empty hooks for arch code simplification. Acked-by: Michal Simek Signed-off-by: Nicholas Piggin --- arch/microblaze/include/asm/mmu_context_mm.h | 8 ++++---- arch/microblaze/include/asm/processor.h | 3 --- 2 files changed, 4 insertions(+), 7 deletions(-) diff --git a/arch/microblaze/include/asm/mmu_context_mm.h b/arch/microbla= ze/include/asm/mmu_context_mm.h index a1c7dd48454c..c2c77f708455 100644 --- a/arch/microblaze/include/asm/mmu_context_mm.h +++ b/arch/microblaze/include/asm/mmu_context_mm.h @@ -33,10 +33,6 @@ to represent all kernel pages as shared among all contexts. */ =20 -static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_stru= ct *tsk) -{ -} - # define NO_CONTEXT 256 # define LAST_CONTEXT 255 # define FIRST_CONTEXT 1 @@ -105,6 +101,7 @@ static inline void get_mmu_context(struct mm_struct *= mm) /* * We're finished using the context for an address space. */ +#define destroy_context destroy_context static inline void destroy_context(struct mm_struct *mm) { if (mm->context !=3D NO_CONTEXT) { @@ -126,6 +123,7 @@ static inline void switch_mm(struct mm_struct *prev, = struct mm_struct *next, * After we have set current->mm to a new value, this activates * the context for the new mm so we see the new mappings. */ +#define activate_mm activate_mm static inline void activate_mm(struct mm_struct *active_mm, struct mm_struct *mm) { @@ -136,5 +134,7 @@ static inline void activate_mm(struct mm_struct *acti= ve_mm, =20 extern void mmu_context_init(void); =20 +#include + # endif /* __KERNEL__ */ #endif /* _ASM_MICROBLAZE_MMU_CONTEXT_H */ diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/in= clude/asm/processor.h index 1ff5a82b76b6..616211871a6e 100644 --- a/arch/microblaze/include/asm/processor.h +++ b/arch/microblaze/include/asm/processor.h @@ -122,9 +122,6 @@ unsigned long get_wchan(struct task_struct *p); # define KSTK_EIP(task) (task_pc(task)) # define KSTK_ESP(task) (task_sp(task)) =20 -/* FIXME */ -# define deactivate_mm(tsk, mm) do { } while (0) - # define STACK_TOP TASK_SIZE # define STACK_TOP_MAX STACK_TOP =20 --=20 2.23.0