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>,
"David S. Miller" <davem@davemloft.net>,
sparclinux@vger.kernel.org
Subject: [PATCH 20/24] sparc: use asm-generic/mmu_context.h for no-op implementations
Date: Tue, 28 Jul 2020 13:34:01 +1000 [thread overview]
Message-ID: <20200728033405.78469-21-npiggin@gmail.com> (raw)
In-Reply-To: <20200728033405.78469-1-npiggin@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: sparclinux@vger.kernel.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
arch/sparc/include/asm/mmu_context_32.h | 10 ++++------
arch/sparc/include/asm/mmu_context_64.h | 10 +++++-----
2 files changed, 9 insertions(+), 11 deletions(-)
diff --git a/arch/sparc/include/asm/mmu_context_32.h b/arch/sparc/include/asm/mmu_context_32.h
index 7ddcb8badf70..509043f81560 100644
--- a/arch/sparc/include/asm/mmu_context_32.h
+++ b/arch/sparc/include/asm/mmu_context_32.h
@@ -6,13 +6,10 @@
#include <asm-generic/mm_hooks.h>
-static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
-{
-}
-
/* Initialize a new mmu context. This is invoked when a new
* address space instance (unique or shared) is instantiated.
*/
+#define init_new_context init_new_context
int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
/* Destroy a dead context. This occurs when mmput drops the
@@ -20,17 +17,18 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
* all the page tables have been flushed. Our job is to destroy
* any remaining processor-specific state.
*/
+#define destroy_context destroy_context
void destroy_context(struct mm_struct *mm);
/* Switch the current MM context. */
void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm,
struct task_struct *tsk);
-#define deactivate_mm(tsk,mm) do { } while (0)
-
/* Activate a new MM instance for the current task. */
#define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL)
+#include <asm-generic/mmu_context.h>
+
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC_MMU_CONTEXT_H) */
diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h
index 312fcee8df2b..7a8380c63aab 100644
--- a/arch/sparc/include/asm/mmu_context_64.h
+++ b/arch/sparc/include/asm/mmu_context_64.h
@@ -16,17 +16,16 @@
#include <asm-generic/mm_hooks.h>
#include <asm/percpu.h>
-static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
-{
-}
-
extern spinlock_t ctx_alloc_lock;
extern unsigned long tlb_context_cache;
extern unsigned long mmu_context_bmap[];
DECLARE_PER_CPU(struct mm_struct *, per_cpu_secondary_mm);
void get_new_mmu_context(struct mm_struct *mm);
+
+#define init_new_context init_new_context
int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
+#define destroy_context destroy_context
void destroy_context(struct mm_struct *mm);
void __tsb_context_switch(unsigned long pgd_pa,
@@ -136,7 +135,6 @@ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, str
spin_unlock_irqrestore(&mm->context.lock, flags);
}
-#define deactivate_mm(tsk,mm) do { } while (0)
#define activate_mm(active_mm, mm) switch_mm(active_mm, mm, NULL)
#define __HAVE_ARCH_START_CONTEXT_SWITCH
@@ -187,6 +185,8 @@ static inline void finish_arch_post_lock_switch(void)
}
}
+#include <asm-generic/mmu_context.h>
+
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC64_MMU_CONTEXT_H) */
--
2.23.0
next prev parent reply other threads:[~2020-07-28 3:35 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-28 3:33 [PATCH 00/24] Use asm-generic for mmu_context no-op functions Nicholas Piggin
2020-07-28 3:33 ` [PATCH 01/24] asm-generic: add generic versions of mmu context functions Nicholas Piggin
2020-07-28 4:01 ` Vineet Gupta
2020-07-28 10:37 ` Nicholas Piggin
2020-08-26 13:59 ` Nicholas Piggin
2020-07-28 5:53 ` kernel test robot
2020-07-28 23:52 ` kernel test robot
2020-07-28 3:33 ` [PATCH 02/24] alpha: use asm-generic/mmu_context.h for no-op implementations Nicholas Piggin
2020-07-28 3:33 ` [PATCH 03/24] arc: " Nicholas Piggin
2020-07-28 3:58 ` Vineet Gupta
2020-07-28 3:33 ` [PATCH 04/24] arm: " Nicholas Piggin
2020-07-28 4:14 ` Vineet Gupta
2020-08-26 14:14 ` Nicholas Piggin
2020-07-28 3:33 ` [PATCH 05/24] arm64: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 06/24] csky: " Nicholas Piggin
2020-07-28 4:09 ` Guo Ren
2020-07-28 3:33 ` [PATCH 07/24] hexagon: " Nicholas Piggin
2020-08-11 18:34 ` Brian Cain
2020-07-28 3:33 ` [PATCH 08/24] ia64: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 09/24] m68k: " Nicholas Piggin
2020-07-30 8:11 ` kernel test robot
2020-07-28 3:33 ` [PATCH 10/24] microblaze: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 11/24] mips: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 12/24] nds32: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 13/24] nios2: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 14/24] openrisc: " Nicholas Piggin
2020-07-29 11:45 ` Stafford Horne
2020-08-26 14:33 ` Nicholas Piggin
2020-07-28 3:33 ` [PATCH 15/24] parisc: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 16/24] powerpc: " Nicholas Piggin
2020-07-28 3:33 ` [PATCH 17/24] riscv: " Nicholas Piggin
2020-07-30 21:20 ` Palmer Dabbelt
2020-07-28 3:33 ` [PATCH 18/24] s390: " Nicholas Piggin
2020-07-28 3:34 ` [PATCH 19/24] sh: " Nicholas Piggin
2020-07-28 3:34 ` Nicholas Piggin [this message]
2020-07-28 3:34 ` [PATCH 21/24] um: " Nicholas Piggin
2020-07-28 3:34 ` [PATCH 22/24] unicore32: " Nicholas Piggin
2020-07-28 3:34 ` [PATCH 23/24] x86: " Nicholas Piggin
2020-07-28 10:54 ` peterz
2020-07-28 3:34 ` [PATCH 24/24] xtensa: " Nicholas Piggin
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