From: Christophe Leroy <christophe.leroy@c-s.fr>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>
Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: [PATCH v3 16/16] powerpc: split asm/tlbflush.h
Date: Thu, 5 Jul 2018 16:25:21 +0000 (UTC) [thread overview]
Message-ID: <050c24f2b82d2dcf0007398ec69b7f0b073c3188.1530807556.git.christophe.leroy@c-s.fr> (raw)
In-Reply-To: <cover.1530807556.git.christophe.leroy@c-s.fr>
Split asm/tlbflush.h into:
asm/nohash/tlbflush.h
asm/book3s/32/tlbflush.h
asm/book3s/64/tlbflush.h (already existing)
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
arch/powerpc/include/asm/book3s/32/tlbflush.h | 25 +++++++
arch/powerpc/include/asm/book3s/tlbflush.h | 11 +++
arch/powerpc/include/asm/{ => nohash}/tlbflush.h | 42 ++----------
arch/powerpc/include/asm/tlbflush.h | 86 ++----------------------
4 files changed, 45 insertions(+), 119 deletions(-)
create mode 100644 arch/powerpc/include/asm/book3s/32/tlbflush.h
create mode 100644 arch/powerpc/include/asm/book3s/tlbflush.h
copy arch/powerpc/include/asm/{ => nohash}/tlbflush.h (57%)
diff --git a/arch/powerpc/include/asm/book3s/32/tlbflush.h b/arch/powerpc/include/asm/book3s/32/tlbflush.h
new file mode 100644
index 000000000000..068085b709fb
--- /dev/null
+++ b/arch/powerpc/include/asm/book3s/32/tlbflush.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_POWERPC_BOOK3S_32_TLBFLUSH_H
+#define _ASM_POWERPC_BOOK3S_32_TLBFLUSH_H
+
+#define MMU_NO_CONTEXT (0)
+/*
+ * TLB flushing for "classic" hash-MMU 32-bit CPUs, 6xx, 7xx, 7xxx
+ */
+extern void flush_tlb_mm(struct mm_struct *mm);
+extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
+extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr);
+extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
+ unsigned long end);
+extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
+static inline void local_flush_tlb_page(struct vm_area_struct *vma,
+ unsigned long vmaddr)
+{
+ flush_tlb_page(vma, vmaddr);
+}
+static inline void local_flush_tlb_mm(struct mm_struct *mm)
+{
+ flush_tlb_mm(mm);
+}
+
+#endif /* _ASM_POWERPC_TLBFLUSH_H */
diff --git a/arch/powerpc/include/asm/book3s/tlbflush.h b/arch/powerpc/include/asm/book3s/tlbflush.h
new file mode 100644
index 000000000000..dec11de41055
--- /dev/null
+++ b/arch/powerpc/include/asm/book3s/tlbflush.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_POWERPC_BOOK3S_TLBFLUSH_H
+#define _ASM_POWERPC_BOOK3S_TLBFLUSH_H
+
+#ifdef CONFIG_PPC64
+#include <asm/book3s/64/tlbflush.h>
+#else
+#include <asm/book3s/32/tlbflush.h>
+#endif
+
+#endif /* _ASM_POWERPC_BOOK3S_TLBFLUSH_H */
diff --git a/arch/powerpc/include/asm/tlbflush.h b/arch/powerpc/include/asm/nohash/tlbflush.h
similarity index 57%
copy from arch/powerpc/include/asm/tlbflush.h
copy to arch/powerpc/include/asm/nohash/tlbflush.h
index 7d5a157c7832..b1d8fec29169 100644
--- a/arch/powerpc/include/asm/tlbflush.h
+++ b/arch/powerpc/include/asm/nohash/tlbflush.h
@@ -1,5 +1,6 @@
-#ifndef _ASM_POWERPC_TLBFLUSH_H
-#define _ASM_POWERPC_TLBFLUSH_H
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_POWERPC_NOHASH_TLBFLUSH_H
+#define _ASM_POWERPC_NOHASH_TLBFLUSH_H
/*
* TLB flushing:
@@ -13,14 +14,8 @@
* - flush_tlb_range(vma, start, end) flushes a range of pages
* - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
-#ifdef __KERNEL__
-#ifdef CONFIG_PPC_MMU_NOHASH
/*
* TLB flushing for software loaded TLB chips
*
@@ -55,33 +50,4 @@ extern void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
#define __flush_tlb_page(mm,addr,p,i) __local_flush_tlb_page(mm,addr,p,i)
#endif
-#elif defined(CONFIG_PPC_STD_MMU_32)
-
-#define MMU_NO_CONTEXT (0)
-/*
- * TLB flushing for "classic" hash-MMU 32-bit CPUs, 6xx, 7xx, 7xxx
- */
-extern void flush_tlb_mm(struct mm_struct *mm);
-extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
-extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr);
-extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end);
-extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
-static inline void local_flush_tlb_page(struct vm_area_struct *vma,
- unsigned long vmaddr)
-{
- flush_tlb_page(vma, vmaddr);
-}
-static inline void local_flush_tlb_mm(struct mm_struct *mm)
-{
- flush_tlb_mm(mm);
-}
-
-#elif defined(CONFIG_PPC_BOOK3S_64)
-#include <asm/book3s/64/tlbflush.h>
-#else
-#error Unsupported MMU type
-#endif
-
-#endif /*__KERNEL__ */
-#endif /* _ASM_POWERPC_TLBFLUSH_H */
+#endif /* _ASM_POWERPC_NOHASH_TLBFLUSH_H */
diff --git a/arch/powerpc/include/asm/tlbflush.h b/arch/powerpc/include/asm/tlbflush.h
index 7d5a157c7832..61fba43bf8b2 100644
--- a/arch/powerpc/include/asm/tlbflush.h
+++ b/arch/powerpc/include/asm/tlbflush.h
@@ -1,87 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_POWERPC_TLBFLUSH_H
#define _ASM_POWERPC_TLBFLUSH_H
-/*
- * TLB flushing:
- *
- * - flush_tlb_mm(mm) flushes the specified mm context TLB's
- * - flush_tlb_page(vma, vmaddr) flushes one page
- * - local_flush_tlb_mm(mm, full) flushes the specified mm context on
- * the local processor
- * - local_flush_tlb_page(vma, vmaddr) flushes one page on the local processor
- * - flush_tlb_page_nohash(vma, vmaddr) flushes one page if SW loaded TLB
- * - flush_tlb_range(vma, start, end) flushes a range of pages
- * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#ifdef __KERNEL__
-
-#ifdef CONFIG_PPC_MMU_NOHASH
-/*
- * TLB flushing for software loaded TLB chips
- *
- * TODO: (CONFIG_FSL_BOOKE) determine if flush_tlb_range &
- * flush_tlb_kernel_range are best implemented as tlbia vs
- * specific tlbie's
- */
-
-struct vm_area_struct;
-struct mm_struct;
-
-#define MMU_NO_CONTEXT ((unsigned int)-1)
-
-extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end);
-extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
-
-extern void local_flush_tlb_mm(struct mm_struct *mm);
-extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
-
-extern void __local_flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
- int tsize, int ind);
-
-#ifdef CONFIG_SMP
-extern void flush_tlb_mm(struct mm_struct *mm);
-extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
-extern void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr,
- int tsize, int ind);
-#else
-#define flush_tlb_mm(mm) local_flush_tlb_mm(mm)
-#define flush_tlb_page(vma,addr) local_flush_tlb_page(vma,addr)
-#define __flush_tlb_page(mm,addr,p,i) __local_flush_tlb_page(mm,addr,p,i)
-#endif
-
-#elif defined(CONFIG_PPC_STD_MMU_32)
-
-#define MMU_NO_CONTEXT (0)
-/*
- * TLB flushing for "classic" hash-MMU 32-bit CPUs, 6xx, 7xx, 7xxx
- */
-extern void flush_tlb_mm(struct mm_struct *mm);
-extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
-extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr);
-extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end);
-extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
-static inline void local_flush_tlb_page(struct vm_area_struct *vma,
- unsigned long vmaddr)
-{
- flush_tlb_page(vma, vmaddr);
-}
-static inline void local_flush_tlb_mm(struct mm_struct *mm)
-{
- flush_tlb_mm(mm);
-}
-
-#elif defined(CONFIG_PPC_BOOK3S_64)
-#include <asm/book3s/64/tlbflush.h>
+#ifdef CONFIG_PPC_BOOK3S
+#include <asm/book3s/tlbflush.h>
#else
-#error Unsupported MMU type
-#endif
+#include <asm/nohash/tlbflush.h>
+#endif /* !CONFIG_PPC_BOOK3S */
-#endif /*__KERNEL__ */
#endif /* _ASM_POWERPC_TLBFLUSH_H */
--
2.13.3
next prev parent reply other threads:[~2018-07-05 16:26 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-05 16:24 [PATCH v3 00/16] Remove unneccessary included headers Christophe Leroy
2018-07-05 16:24 ` [PATCH v3 01/16] powerpc: remove kdump.h from page.h Christophe Leroy
2018-08-01 5:24 ` [v3,01/16] " Michael Ellerman
2018-07-05 16:24 ` [PATCH v3 02/16] powerpc: remove unneeded inclusions of cpu_has_feature.h Christophe Leroy
2018-08-01 5:24 ` [v3,02/16] " Michael Ellerman
2018-07-05 16:24 ` [PATCH v3 03/16] powerpc/405: move PPC405_ERR77 in asm-405.h Christophe Leroy
2018-08-01 5:24 ` [v3,03/16] " Michael Ellerman
2018-07-05 16:24 ` [PATCH v3 04/16] powerpc: move ASM_CONST and stringify_in_c() into asm-const.h Christophe Leroy
2018-08-01 5:24 ` [v3, " Michael Ellerman
2018-07-05 16:24 ` [PATCH v3 05/16] powerpc: clean the inclusion of stringify.h Christophe Leroy
2018-08-01 5:24 ` [v3,05/16] " Michael Ellerman
2018-07-05 16:25 ` [PATCH v3 06/16] powerpc: clean inclusions of asm/feature-fixups.h Christophe Leroy
2018-08-01 5:24 ` [v3,06/16] " Michael Ellerman
2018-07-05 16:25 ` [PATCH v3 07/16] powerpc: remove superflous inclusions of asm/fixmap.h Christophe Leroy
2018-08-01 5:24 ` [v3,07/16] " Michael Ellerman
2018-07-05 16:25 ` [PATCH v3 08/16] powerpc: declare set_breakpoint() static Christophe Leroy
2018-08-01 5:24 ` [v3,08/16] " Michael Ellerman
2018-07-05 16:25 ` [PATCH v3 09/16] powerpc/book3s: Remove PPC_PIN_SIZE Christophe Leroy
2018-08-01 5:24 ` [v3,09/16] " Michael Ellerman
2018-07-05 16:25 ` [PATCH v3 10/16] powerpc: fix includes in asm/processor.h Christophe Leroy
2018-08-01 5:24 ` [v3,10/16] " Michael Ellerman
2018-07-05 16:25 ` [PATCH v3 11/16] powerpc/nohash: fix hash related comments in pgtable.h Christophe Leroy
2018-08-01 5:24 ` [v3,11/16] " Michael Ellerman
2018-07-05 16:25 ` [PATCH v3 12/16] powerpc/44x: remove page.h from mmu-44x.h Christophe Leroy
2018-08-01 5:24 ` [v3,12/16] " Michael Ellerman
2018-07-05 16:25 ` [PATCH v3 13/16] powerpc: split reg.h in two parts Christophe Leroy
2018-07-05 16:25 ` [PATCH v3 14/16] powerpc: Split synch.h " Christophe Leroy
2018-07-05 16:25 ` [PATCH v3 15/16] powerpc: remove unnecessary inclusion of asm/tlbflush.h Christophe Leroy
2018-08-01 5:24 ` [v3,15/16] " Michael Ellerman
2018-07-05 16:25 ` Christophe Leroy [this message]
2018-08-01 5:24 ` [v3,16/16] powerpc: split asm/tlbflush.h Michael Ellerman
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