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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>, Michal Simek <monstr@monstr.eu>
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	[thread overview]
Message-ID: <20200901141539.1757549-11-npiggin@gmail.com> (raw)
In-Reply-To: <20200901141539.1757549-1-npiggin@gmail.com>

Wire asm-generic/mmu_context.h to provide generic empty hooks for arch
code simplification.

Acked-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 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/microblaze/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.
  */
 
-static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *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 != 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 *active_mm,
 
 extern void mmu_context_init(void);
 
+#include <asm-generic/mmu_context.h>
+
 # endif /* __KERNEL__ */
 #endif /* _ASM_MICROBLAZE_MMU_CONTEXT_H */
diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/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))
 
-/* FIXME */
-#  define deactivate_mm(tsk, mm)	do { } while (0)
-
 #  define STACK_TOP	TASK_SIZE
 #  define STACK_TOP_MAX	STACK_TOP
 
-- 
2.23.0


  parent reply	other threads:[~2020-09-01 14:17 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-01 14:15 [PATCH v3 00/23] Use asm-generic for mmu_context no-op functions Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 01/23] asm-generic: add generic MMU versions of mmu context functions Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 02/23] alpha: use asm-generic/mmu_context.h for no-op implementations Nicholas Piggin
2020-09-01 16:51   ` Matt Turner
2020-09-01 14:15 ` [PATCH v3 03/23] arc: " Nicholas Piggin
2020-09-01 18:32   ` Vineet Gupta
2020-09-01 14:15 ` [PATCH v3 04/23] arm: " Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 05/23] arm64: " Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 06/23] csky: " Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 07/23] hexagon: " Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 08/23] ia64: " Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 09/23] m68k: " Nicholas Piggin
2020-09-01 14:15 ` Nicholas Piggin [this message]
2020-09-01 14:15 ` [PATCH v3 11/23] mips: " Nicholas Piggin
2020-09-01 15:23   ` Thomas Bogendoerfer
2020-09-01 14:15 ` [PATCH v3 12/23] nds32: " Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 13/23] nios2: " Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 14/23] openrisc: " Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 15/23] parisc: " Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 16/23] powerpc: " Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 17/23] riscv: " Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 18/23] s390: " Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 19/23] sh: " Nicholas Piggin
2020-09-03  5:57   ` Rich Felker
2020-09-01 14:15 ` [PATCH v3 20/23] sparc: " Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 21/23] um: " Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 22/23] x86: " Nicholas Piggin
2020-09-01 14:15 ` [PATCH v3 23/23] xtensa: " Nicholas Piggin
2020-09-01 17:55   ` Max Filippov
2020-09-09 11:27 ` [PATCH v3 00/23] Use asm-generic for mmu_context no-op functions Arnd Bergmann
2020-10-09 14:01   ` Arnd Bergmann
2020-10-10  2:02     ` Stephen Rothwell
2020-10-10  8:25       ` Arnd Bergmann
2020-10-10 19:00         ` Stephen Rothwell
2020-10-19  1:00         ` Nicholas Piggin

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