From: Nicholas Piggin <npiggin@gmail.com>
To: linux-arch@vger.kernel.org
Cc: Nicholas Piggin <npiggin@gmail.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Arnd Bergmann <arnd@arndb.de>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 05/23] arm64: use asm-generic/mmu_context.h for no-op implementations
Date: Thu, 27 Aug 2020 00:52:31 +1000 [thread overview]
Message-ID: <20200826145249.745432-6-npiggin@gmail.com> (raw)
In-Reply-To: <20200826145249.745432-1-npiggin@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/arm64/include/asm/mmu_context.h | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h
index f2d7537d6f83..765e8a0f88c9 100644
--- a/arch/arm64/include/asm/mmu_context.h
+++ b/arch/arm64/include/asm/mmu_context.h
@@ -174,8 +174,7 @@ static inline void cpu_replace_ttbr1(pgd_t *pgdp)
* Setting a reserved TTBR0 or EPD0 would work, but it all gets ugly when you
* take CPU migration into account.
*/
-#define destroy_context(mm) do { } while(0)
-void check_and_switch_context(struct mm_struct *mm);
+void check_and_switch_context(struct mm_struct *mm, unsigned int cpu);
#define init_new_context(tsk,mm) ({ atomic64_set(&(mm)->context.id, 0); 0; })
@@ -202,6 +201,7 @@ static inline void update_saved_ttbr0(struct task_struct *tsk,
}
#endif
+#define enter_lazy_tlb enter_lazy_tlb
static inline void
enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
@@ -242,12 +242,11 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next,
update_saved_ttbr0(tsk, next);
}
-#define deactivate_mm(tsk,mm) do { } while (0)
-#define activate_mm(prev,next) switch_mm(prev, next, current)
-
void verify_cpu_asid_bits(void);
void post_ttbr_update_workaround(void);
+#include <asm-generic/mmu_context.h>
+
#endif /* !__ASSEMBLY__ */
#endif /* !__ASM_MMU_CONTEXT_H */
--
2.23.0
next prev parent reply other threads:[~2020-08-26 14:53 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-26 14:52 [PATCH v2 00/23] Use asm-generic for mmu_context no-op functions Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 01/23] asm-generic: add generic MMU versions of mmu context functions Nicholas Piggin
2020-08-26 18:13 ` kernel test robot
2020-09-01 6:49 ` Mike Rapoport
2020-09-01 7:14 ` Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 02/23] alpha: use asm-generic/mmu_context.h for no-op implementations Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 03/23] arc: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 04/23] arm: " Nicholas Piggin
2020-08-26 14:52 ` Nicholas Piggin [this message]
2020-08-26 15:25 ` [PATCH v2 05/23] arm64: " Catalin Marinas
2020-08-26 16:20 ` Nicholas Piggin
2020-10-27 9:59 ` Naresh Kamboju
2020-10-27 15:08 ` Arnd Bergmann
2020-08-26 18:42 ` kernel test robot
2020-08-26 18:57 ` kernel test robot
2020-08-26 23:55 ` kernel test robot
2020-08-26 14:52 ` [PATCH v2 06/23] csky: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 07/23] hexagon: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 08/23] ia64: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 09/23] m68k: " Nicholas Piggin
2020-08-27 9:33 ` Geert Uytterhoeven
2020-09-01 6:23 ` Nicholas Piggin
2020-09-01 7:03 ` Geert Uytterhoeven
2020-09-01 7:50 ` Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 10/23] microblaze: " Nicholas Piggin
2020-08-31 14:15 ` Michal Simek
2020-09-01 6:15 ` Nicholas Piggin
2020-09-01 6:41 ` Michal Simek
2020-09-01 7:09 ` Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 11/23] mips: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 12/23] nds32: " Nicholas Piggin
2020-08-28 10:09 ` Greentime Hu
2020-08-26 14:52 ` [PATCH v2 13/23] nios2: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 14/23] openrisc: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 15/23] parisc: " Nicholas Piggin
2020-08-29 9:09 ` Helge Deller
2020-08-26 14:52 ` [PATCH v2 16/23] powerpc: " Nicholas Piggin
2020-09-01 7:30 ` Michael Ellerman
2020-08-26 14:52 ` [PATCH v2 17/23] riscv: " Nicholas Piggin
2020-08-26 16:42 ` Pekka Enberg
2020-08-26 14:52 ` [PATCH v2 18/23] s390: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 19/23] sh: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 20/23] sparc: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 21/23] um: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 22/23] x86: " Nicholas Piggin
2020-08-26 14:52 ` [PATCH v2 23/23] xtensa: " Nicholas Piggin
2020-08-26 20:12 ` [PATCH v2 00/23] Use asm-generic for mmu_context no-op functions Arnd Bergmann
2020-08-30 10:18 ` Mike Rapoport
2020-09-01 6:17 ` Nicholas Piggin
2020-09-01 6:54 ` Mike Rapoport
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