Re: [PATCH 6/6] powerpc/compat_sys: Declare syscalls
From: Christophe Leroy <hidden>
Date: 2022-03-15 11:45:58
Le 19/08/2021 à 14:56, Cédric Le Goater a écrit :
This fixes a compile error with W=1. Cc: Christophe Leroy <redacted> Signed-off-by: Cédric Le Goater <clg@kaod.org>
Instead of doing that, we should use COMPAT_SYSCALL_DEFINEx macros in the function definitions. Thanks Christophe
quoted hunk ↗ jump to hunk
--- 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 */