compat: lift compat_s64 and compat_u64 to <asm-generic/compat.h>

lift the compat_s64 and compat_u64 definitions into common code using the COMPAT_FOR_U64_ALIGNMENT symbol for the x86 special case. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
mariux64 · Sep 17, 2020 · cc7886d · cc7886d
1 parent 9123e3a
commit cc7886d
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Showing 8 changed files with 9 additions and 14 deletions.
diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h
@@ -35,8 +35,6 @@ typedef s32		compat_nlink_t;
 typedef u16		compat_ipc_pid_t;
 typedef u32		compat_caddr_t;
 typedef __kernel_fsid_t	compat_fsid_t;
-typedef s64		compat_s64;
-typedef u64		compat_u64;
 
 struct compat_stat {
 #ifdef __AARCH64EB__

diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h
@@ -26,8 +26,6 @@ typedef s32		compat_caddr_t;
 typedef struct {
 	s32	val[2];
 } compat_fsid_t;
-typedef s64		compat_s64;
-typedef u64		compat_u64;
 
 struct compat_stat {
 	compat_dev_t	st_dev;

diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h
@@ -22,8 +22,6 @@ typedef u32	compat_dev_t;
 typedef u16	compat_nlink_t;
 typedef u16	compat_ipc_pid_t;
 typedef u32	compat_caddr_t;
-typedef s64	compat_s64;
-typedef u64	compat_u64;
 
 struct compat_stat {
 	compat_dev_t		st_dev;	/* dev_t is 32 bits on parisc */

diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
@@ -27,8 +27,6 @@ typedef s16		compat_nlink_t;
 typedef u16		compat_ipc_pid_t;
 typedef u32		compat_caddr_t;
 typedef __kernel_fsid_t	compat_fsid_t;
-typedef s64		compat_s64;
-typedef u64		compat_u64;
 
 struct compat_stat {
 	compat_dev_t	st_dev;

diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
@@ -63,8 +63,6 @@ typedef u16		compat_nlink_t;
 typedef u16		compat_ipc_pid_t;
 typedef u32		compat_caddr_t;
 typedef __kernel_fsid_t	compat_fsid_t;
-typedef s64		compat_s64;
-typedef u64		compat_u64;
 
 typedef struct {
 	u32 mask;

diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h
@@ -21,8 +21,7 @@ typedef s16		compat_nlink_t;
 typedef u16		compat_ipc_pid_t;
 typedef u32		compat_caddr_t;
 typedef __kernel_fsid_t	compat_fsid_t;
-typedef s64		compat_s64;
-typedef u64		compat_u64;
+
 struct compat_stat {
 	compat_dev_t	st_dev;
 	compat_ino_t	st_ino;

diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h
@@ -27,8 +27,6 @@ typedef u16		compat_nlink_t;
 typedef u16		compat_ipc_pid_t;
 typedef u32		compat_caddr_t;
 typedef __kernel_fsid_t	compat_fsid_t;
-typedef s64 __attribute__((aligned(4))) compat_s64;
-typedef u64 __attribute__((aligned(4))) compat_u64;
 
 struct compat_stat {
 	compat_dev_t	st_dev;

diff --git a/include/asm-generic/compat.h b/include/asm-generic/compat.h
@@ -22,4 +22,12 @@ typedef u32 compat_ulong_t;
 typedef u32 compat_uptr_t;
 typedef u32 compat_aio_context_t;
 
+#ifdef CONFIG_COMPAT_FOR_U64_ALIGNMENT
+typedef s64 __attribute__((aligned(4))) compat_s64;
+typedef u64 __attribute__((aligned(4))) compat_u64;
+#else
+typedef s64 compat_s64;
+typedef u64 compat_u64;
+#endif
+
 #endif