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Subject[PATCH] arch/tile: cleanups for tilegx compat mode
These changes make the syscall table line up correctly for
tilegx compat mode, and remove the stale sys32_fadvise64() function,
which isn't actually used by any syscall table.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
---
arch/tile/include/asm/unistd.h | 2 +-
arch/tile/kernel/compat.c | 11 -----------
arch/tile/kernel/sys.c | 9 ---------
3 files changed, 1 insertions(+), 21 deletions(-)

diff --git a/arch/tile/include/asm/unistd.h b/arch/tile/include/asm/unistd.h
index b35c2db..f70bf1c 100644
--- a/arch/tile/include/asm/unistd.h
+++ b/arch/tile/include/asm/unistd.h
@@ -15,7 +15,7 @@
#if !defined(_ASM_TILE_UNISTD_H) || defined(__SYSCALL)
#define _ASM_TILE_UNISTD_H

-#ifndef __LP64__
+#if !defined(__LP64__) || defined(__SYSCALL_COMPAT)
/* Use the flavor of this syscall that matches the 32-bit API better. */
#define __ARCH_WANT_SYNC_FILE_RANGE2
#endif
diff --git a/arch/tile/kernel/compat.c b/arch/tile/kernel/compat.c
index e35a397..bf5e9d7 100644
--- a/arch/tile/kernel/compat.c
+++ b/arch/tile/kernel/compat.c
@@ -142,19 +142,8 @@ long tile_compat_sys_msgrcv(int msqid,
#define compat_sys_msgsnd tile_compat_sys_msgsnd

/* See comments in sys.c */
-#define compat_sys_fadvise64 sys32_fadvise64
#define compat_sys_fadvise64_64 sys32_fadvise64_64
#define compat_sys_readahead sys32_readahead
-#define compat_sys_sync_file_range compat_sys_sync_file_range2
-
-/* We leverage the "struct stat64" type for 32-bit time_t/nsec. */
-#define compat_sys_stat64 sys_stat64
-#define compat_sys_lstat64 sys_lstat64
-#define compat_sys_fstat64 sys_fstat64
-#define compat_sys_fstatat64 sys_fstatat64
-
-/* The native sys_ptrace dynamically handles compat binaries. */
-#define compat_sys_ptrace sys_ptrace

/* Call the trampolines to manage pt_regs where necessary. */
#define compat_sys_execve _compat_sys_execve
diff --git a/arch/tile/kernel/sys.c b/arch/tile/kernel/sys.c
index e2187d2..cb44ba7 100644
--- a/arch/tile/kernel/sys.c
+++ b/arch/tile/kernel/sys.c
@@ -56,13 +56,6 @@ ssize_t sys32_readahead(int fd, u32 offset_lo, u32 offset_hi, u32 count)
return sys_readahead(fd, ((loff_t)offset_hi << 32) | offset_lo, count);
}

-long sys32_fadvise64(int fd, u32 offset_lo, u32 offset_hi,
- u32 len, int advice)
-{
- return sys_fadvise64_64(fd, ((loff_t)offset_hi << 32) | offset_lo,
- len, advice);
-}
-
int sys32_fadvise64_64(int fd, u32 offset_lo, u32 offset_hi,
u32 len_lo, u32 len_hi, int advice)
{
@@ -103,10 +96,8 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,

#ifndef __tilegx__
/* See comments at the top of the file. */
-#define sys_fadvise64 sys32_fadvise64
#define sys_fadvise64_64 sys32_fadvise64_64
#define sys_readahead sys32_readahead
-#define sys_sync_file_range sys_sync_file_range2
#endif

/* Call the trampolines to manage pt_regs where necessary. */
--
1.6.5.2


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