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Tue, 01 Sep 2020 07:16:49 -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 , linuxppc-dev@lists.ozlabs.org, Michael Ellerman Subject: [PATCH v3 16/23] powerpc: use asm-generic/mmu_context.h for no-op implementations Date: Wed, 2 Sep 2020 00:15:32 +1000 Message-Id: <20200901141539.1757549-17-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: 3430018229835 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 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: Cc: linuxppc-dev@lists.ozlabs.org Acked-by: Michael Ellerman (powerpc) Signed-off-by: Nicholas Piggin --- arch/powerpc/include/asm/mmu_context.h | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/includ= e/asm/mmu_context.h index 7f3658a97384..a3a12a8341b2 100644 --- a/arch/powerpc/include/asm/mmu_context.h +++ b/arch/powerpc/include/asm/mmu_context.h @@ -14,7 +14,9 @@ /* * Most if the context management is out of line */ +#define init_new_context init_new_context extern int init_new_context(struct task_struct *tsk, struct mm_struct *m= m); +#define destroy_context destroy_context extern void destroy_context(struct mm_struct *mm); #ifdef CONFIG_SPAPR_TCE_IOMMU struct mm_iommu_table_group_mem_t; @@ -235,27 +237,26 @@ static inline void switch_mm(struct mm_struct *prev= , struct mm_struct *next, } #define switch_mm_irqs_off switch_mm_irqs_off =20 - -#define deactivate_mm(tsk,mm) do { } while (0) - /* * 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 *prev, struct mm_struct = *next) { switch_mm(prev, next, current); } =20 /* We don't currently use enter_lazy_tlb() for anything */ +#ifdef CONFIG_PPC_BOOK3E_64 +#define enter_lazy_tlb enter_lazy_tlb static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) { /* 64-bit Book3E keeps track of current PGD in the PACA */ -#ifdef CONFIG_PPC_BOOK3E_64 get_paca()->pgd =3D NULL; -#endif } +#endif =20 extern void arch_exit_mmap(struct mm_struct *mm); =20 @@ -298,5 +299,7 @@ static inline int arch_dup_mmap(struct mm_struct *old= mm, return 0; } =20 +#include + #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_MMU_CONTEXT_H */ --=20 2.23.0