[PATCH 6/6] powerpc/compat_sys: Declare syscalls

Cédric Le Goater clg at kaod.org
Thu Aug 19 22:56:56 AEST 2021


This fixes a compile error with W=1.

Cc: Christophe Leroy <christophe.leroy at c-s.fr>
Signed-off-by: Cédric Le Goater <clg at kaod.org>
---
 arch/powerpc/include/asm/syscalls.h | 31 +++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/powerpc/include/asm/syscalls.h b/arch/powerpc/include/asm/syscalls.h
index 398171fdcd9f..1d5f2abaa38a 100644
--- a/arch/powerpc/include/asm/syscalls.h
+++ b/arch/powerpc/include/asm/syscalls.h
@@ -6,6 +6,7 @@
 #include <linux/compiler.h>
 #include <linux/linkage.h>
 #include <linux/types.h>
+#include <linux/compat.h>
 
 struct rtas_args;
 
@@ -18,5 +19,35 @@ asmlinkage long sys_mmap2(unsigned long addr, size_t len,
 asmlinkage long ppc64_personality(unsigned long personality);
 asmlinkage long sys_rtas(struct rtas_args __user *uargs);
 
+#ifdef CONFIG_COMPAT
+unsigned long compat_sys_mmap2(unsigned long addr, size_t len,
+			       unsigned long prot, unsigned long flags,
+			       unsigned long fd, unsigned long pgoff);
+
+compat_ssize_t compat_sys_pread64(unsigned int fd, char __user *ubuf, compat_size_t count,
+				  u32 reg6, u32 pos1, u32 pos2);
+
+compat_ssize_t compat_sys_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count,
+				   u32 reg6, u32 pos1, u32 pos2);
+
+compat_ssize_t compat_sys_readahead(int fd, u32 r4, u32 offset1, u32 offset2, u32 count);
+
+asmlinkage int compat_sys_truncate64(const char __user *path, u32 reg4,
+				     unsigned long len1, unsigned long len2);
+
+asmlinkage long compat_sys_fallocate(int fd, int mode, u32 offset1, u32 offset2,
+				     u32 len1, u32 len2);
+
+asmlinkage int compat_sys_ftruncate64(unsigned int fd, u32 reg4, unsigned long len1,
+				      unsigned long len2);
+
+long ppc32_fadvise64(int fd, u32 unused, u32 offset1, u32 offset2,
+		     size_t len, int advice);
+
+asmlinkage long compat_sys_sync_file_range2(int fd, unsigned int flags,
+					    unsigned int offset1, unsigned int offset2,
+					    unsigned int nbytes1, unsigned int nbytes2);
+#endif
+
 #endif /* __KERNEL__ */
 #endif /* __ASM_POWERPC_SYSCALLS_H */
-- 
2.31.1



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