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From: Tong Tiangen <tongtiangen@huawei.com>
To: Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmerdabbelt@google.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>, <abdulras@google.com>
Cc: <linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH -next v3 1/3] riscv/vdso: Refactor asm/vdso.h
Date: Wed, 1 Sep 2021 02:46:19 +0000	[thread overview]
Message-ID: <20210901024621.2528797-2-tongtiangen@huawei.com> (raw)
In-Reply-To: <20210901024621.2528797-1-tongtiangen@huawei.com>

The asm/vdso.h will be included in vdso.lds.S in the next patch, the
following cleanup is needed to avoid syntax error:

 1.the declaration of sys_riscv_flush_icache() is moved into asm/syscall.h.
 2.the definition of struct vdso_data is moved into kernel/vdso.c.
 2.the definition of VDSO_SYMBOL is placed under "#ifndef __ASSEMBLY__".

Also remove the redundant linux/types.h include.

Signed-off-by: Tong Tiangen <tongtiangen@huawei.com>
---
 arch/riscv/include/asm/syscall.h  |  1 +
 arch/riscv/include/asm/vdso.h     | 13 ++++---------
 arch/riscv/kernel/syscall_table.c |  1 -
 arch/riscv/kernel/vdso.c          |  5 ++++-
 4 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/arch/riscv/include/asm/syscall.h b/arch/riscv/include/asm/syscall.h
index b933b1583c9f..34fbb3ea21d5 100644
--- a/arch/riscv/include/asm/syscall.h
+++ b/arch/riscv/include/asm/syscall.h
@@ -82,4 +82,5 @@ static inline int syscall_get_arch(struct task_struct *task)
 #endif
 }
 
+asmlinkage long sys_riscv_flush_icache(uintptr_t, uintptr_t, uintptr_t);
 #endif	/* _ASM_RISCV_SYSCALL_H */
diff --git a/arch/riscv/include/asm/vdso.h b/arch/riscv/include/asm/vdso.h
index 893e47195e30..8a49f8ecfb52 100644
--- a/arch/riscv/include/asm/vdso.h
+++ b/arch/riscv/include/asm/vdso.h
@@ -8,26 +8,21 @@
 #ifndef _ASM_RISCV_VDSO_H
 #define _ASM_RISCV_VDSO_H
 
-
 /*
  * All systems with an MMU have a VDSO, but systems without an MMU don't
  * support shared libraries and therefor don't have one.
  */
 #ifdef CONFIG_MMU
 
-#include <linux/types.h>
-#include <generated/vdso-offsets.h>
+#ifndef __ASSEMBLY__
 
-#ifndef CONFIG_GENERIC_TIME_VSYSCALL
-struct vdso_data {
-};
-#endif
+#include <generated/vdso-offsets.h>
 
 #define VDSO_SYMBOL(base, name)							\
 	(void __user *)((unsigned long)(base) + __vdso_##name##_offset)
 
-#endif /* CONFIG_MMU */
+#endif /* !__ASSEMBLY__ */
 
-asmlinkage long sys_riscv_flush_icache(uintptr_t, uintptr_t, uintptr_t);
+#endif /* CONFIG_MMU */
 
 #endif /* _ASM_RISCV_VDSO_H */
diff --git a/arch/riscv/kernel/syscall_table.c b/arch/riscv/kernel/syscall_table.c
index a63c667c27b3..44b1420a2270 100644
--- a/arch/riscv/kernel/syscall_table.c
+++ b/arch/riscv/kernel/syscall_table.c
@@ -7,7 +7,6 @@
 #include <linux/linkage.h>
 #include <linux/syscalls.h>
 #include <asm-generic/syscalls.h>
-#include <asm/vdso.h>
 #include <asm/syscall.h>
 
 #undef __SYSCALL
diff --git a/arch/riscv/kernel/vdso.c b/arch/riscv/kernel/vdso.c
index 25a3b8849599..72e93d218335 100644
--- a/arch/riscv/kernel/vdso.c
+++ b/arch/riscv/kernel/vdso.c
@@ -12,10 +12,13 @@
 #include <linux/binfmts.h>
 #include <linux/err.h>
 #include <asm/page.h>
+#include <asm/vdso.h>
+
 #ifdef CONFIG_GENERIC_TIME_VSYSCALL
 #include <vdso/datapage.h>
 #else
-#include <asm/vdso.h>
+struct vdso_data {
+};
 #endif
 
 extern char vdso_start[], vdso_end[];
-- 
2.18.0.huawei.25


WARNING: multiple messages have this Message-ID
From: Tong Tiangen <tongtiangen@huawei.com>
To: Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmerdabbelt@google.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>, <abdulras@google.com>
Cc: <linux-riscv@lists.infradead.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH -next v3 1/3] riscv/vdso: Refactor asm/vdso.h
Date: Wed, 1 Sep 2021 02:46:19 +0000	[thread overview]
Message-ID: <20210901024621.2528797-2-tongtiangen@huawei.com> (raw)
In-Reply-To: <20210901024621.2528797-1-tongtiangen@huawei.com>

The asm/vdso.h will be included in vdso.lds.S in the next patch, the
following cleanup is needed to avoid syntax error:

 1.the declaration of sys_riscv_flush_icache() is moved into asm/syscall.h.
 2.the definition of struct vdso_data is moved into kernel/vdso.c.
 2.the definition of VDSO_SYMBOL is placed under "#ifndef __ASSEMBLY__".

Also remove the redundant linux/types.h include.

Signed-off-by: Tong Tiangen <tongtiangen@huawei.com>
---
 arch/riscv/include/asm/syscall.h  |  1 +
 arch/riscv/include/asm/vdso.h     | 13 ++++---------
 arch/riscv/kernel/syscall_table.c |  1 -
 arch/riscv/kernel/vdso.c          |  5 ++++-
 4 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/arch/riscv/include/asm/syscall.h b/arch/riscv/include/asm/syscall.h
index b933b1583c9f..34fbb3ea21d5 100644
--- a/arch/riscv/include/asm/syscall.h
+++ b/arch/riscv/include/asm/syscall.h
@@ -82,4 +82,5 @@ static inline int syscall_get_arch(struct task_struct *task)
 #endif
 }
 
+asmlinkage long sys_riscv_flush_icache(uintptr_t, uintptr_t, uintptr_t);
 #endif	/* _ASM_RISCV_SYSCALL_H */
diff --git a/arch/riscv/include/asm/vdso.h b/arch/riscv/include/asm/vdso.h
index 893e47195e30..8a49f8ecfb52 100644
--- a/arch/riscv/include/asm/vdso.h
+++ b/arch/riscv/include/asm/vdso.h
@@ -8,26 +8,21 @@
 #ifndef _ASM_RISCV_VDSO_H
 #define _ASM_RISCV_VDSO_H
 
-
 /*
  * All systems with an MMU have a VDSO, but systems without an MMU don't
  * support shared libraries and therefor don't have one.
  */
 #ifdef CONFIG_MMU
 
-#include <linux/types.h>
-#include <generated/vdso-offsets.h>
+#ifndef __ASSEMBLY__
 
-#ifndef CONFIG_GENERIC_TIME_VSYSCALL
-struct vdso_data {
-};
-#endif
+#include <generated/vdso-offsets.h>
 
 #define VDSO_SYMBOL(base, name)							\
 	(void __user *)((unsigned long)(base) + __vdso_##name##_offset)
 
-#endif /* CONFIG_MMU */
+#endif /* !__ASSEMBLY__ */
 
-asmlinkage long sys_riscv_flush_icache(uintptr_t, uintptr_t, uintptr_t);
+#endif /* CONFIG_MMU */
 
 #endif /* _ASM_RISCV_VDSO_H */
diff --git a/arch/riscv/kernel/syscall_table.c b/arch/riscv/kernel/syscall_table.c
index a63c667c27b3..44b1420a2270 100644
--- a/arch/riscv/kernel/syscall_table.c
+++ b/arch/riscv/kernel/syscall_table.c
@@ -7,7 +7,6 @@
 #include <linux/linkage.h>
 #include <linux/syscalls.h>
 #include <asm-generic/syscalls.h>
-#include <asm/vdso.h>
 #include <asm/syscall.h>
 
 #undef __SYSCALL
diff --git a/arch/riscv/kernel/vdso.c b/arch/riscv/kernel/vdso.c
index 25a3b8849599..72e93d218335 100644
--- a/arch/riscv/kernel/vdso.c
+++ b/arch/riscv/kernel/vdso.c
@@ -12,10 +12,13 @@
 #include <linux/binfmts.h>
 #include <linux/err.h>
 #include <asm/page.h>
+#include <asm/vdso.h>
+
 #ifdef CONFIG_GENERIC_TIME_VSYSCALL
 #include <vdso/datapage.h>
 #else
-#include <asm/vdso.h>
+struct vdso_data {
+};
 #endif
 
 extern char vdso_start[], vdso_end[];
-- 
2.18.0.huawei.25


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http://lists.infradead.org/mailman/listinfo/linux-riscv

  reply	other threads:[~2021-09-01  2:38 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-01  2:46 [PATCH -next v3 0/3] riscv: Fix two vdso issue Tong Tiangen
2021-09-01  2:46 ` Tong Tiangen
2021-09-01  2:46 ` Tong Tiangen [this message]
2021-09-01  2:46   ` [PATCH -next v3 1/3] riscv/vdso: Refactor asm/vdso.h Tong Tiangen
2021-09-01  2:46 ` [PATCH -next v3 2/3] riscv/vdso: Move vdso data page up front Tong Tiangen
2021-09-01  2:46   ` Tong Tiangen
2021-09-01  2:46 ` [PATCH -next v3 3/3] riscv/vdso: make arch_setup_additional_pages wait for mmap_sem for write killable Tong Tiangen
2021-09-01  2:46   ` Tong Tiangen
2021-09-28  2:19 ` [PATCH -next v3 0/3] riscv: Fix two vdso issue Liu Shixin
2021-09-28  2:19   ` Liu Shixin
2021-09-28  2:30   ` tongtiangen
2021-09-28  2:30     ` tongtiangen
2021-09-29 10:12 ` Kefeng Wang
2021-09-29 10:12   ` Kefeng Wang
2021-10-02 20:24 ` Palmer Dabbelt
2021-10-02 20:24   ` Palmer Dabbelt

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