[PATCHv2 2/4] syscalls: clean up compat syscall stub naming convention
From: Dominik Brodowski
Date: Mon Apr 09 2018 - 06:52:59 EST
Tidy the naming convention for compat syscall subs. Hints which describe
the purpose of the stub go in front and receive a double underscore to
denote that they are generated on-the-fly by the COMPAT_SYSCALL_DEFINEx()
macro.
For the generic case, this means:
t kernel_waitid # common C function (see kernel/exit.c)
__do_compat_sys_waitid # inlined helper doing the actual work
# (takes original parameters as declared)
T __se_compat_sys_waitid # sign-extending C function calling inlined
# helper (takes parameters of type long,
# casts them to unsigned long and then to
# the declared type)
T compat_sys_waitid # alias to __se_compat_sys_waitid()
# (taking parameters as declared), to
# be included in syscall table
For x86, the naming is as follows:
t kernel_waitid # common C function (see kernel/exit.c)
__do_compat_sys_waitid # inlined helper doing the actual work
# (takes original parameters as declared)
t __se_compat_sys_waitid # sign-extending C function calling inlined
# helper (takes parameters of type long,
# casts them to unsigned long and then to
# the declared type)
T __ia32_compat_sys_waitid # IA32_EMULATION 32-bit-ptregs -> C stub,
# calls __se_compat_sys_waitid(); to be
# included in syscall table
T __x32_compat_sys_waitid # x32 64-bit-ptregs -> C stub, calls
# __se_compat_sys_waitid(); to be included
# in syscall table
If only one of IA32_EMULATION and x32 is enabled, __se_compat_sys_waitid()
may be inlined into the stub __{ia32,x32}_compat_sys_waitid().
Suggested-by: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/process/adding-syscalls.rst | 4 +-
arch/x86/entry/syscalls/syscall_32.tbl | 252 +++++++++++-----------
arch/x86/entry/syscalls/syscall_64.tbl | 72 +++----
arch/x86/include/asm/syscall_wrapper.h | 44 ++--
arch/x86/include/asm/syscalls.h | 2 +-
include/linux/compat.h | 29 +--
scripts/bloat-o-meter | 2 +-
7 files changed, 205 insertions(+), 200 deletions(-)
diff --git a/Documentation/process/adding-syscalls.rst b/Documentation/process/adding-syscalls.rst
index 314c8bf6f2a2..0d4f29bc798b 100644
--- a/Documentation/process/adding-syscalls.rst
+++ b/Documentation/process/adding-syscalls.rst
@@ -360,7 +360,7 @@ First, the entry in ``arch/x86/entry/syscalls/syscall_32.tbl`` gets an extra
column to indicate that a 32-bit userspace program running on a 64-bit kernel
should hit the compat entry point::
- 380 i386 xyzzy sys_xyzzy compat_sys_xyzzy
+ 380 i386 xyzzy sys_xyzzy __ia32_compat_sys_xyzzy
Second, you need to figure out what should happen for the x32 ABI version of
the new system call. There's a choice here: the layout of the arguments
@@ -373,7 +373,7 @@ the compatibility wrapper::
333 64 xyzzy sys_xyzzy
...
- 555 x32 xyzzy compat_sys_xyzzy
+ 555 x32 xyzzy __x32_compat_sys_xyzzy
If no pointers are involved, then it is preferable to re-use the 64-bit system
call for the x32 ABI (and consequently the entry in
diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl
index 539df8f6d0e1..0e6cb1335db2 100644
--- a/arch/x86/entry/syscalls/syscall_32.tbl
+++ b/arch/x86/entry/syscalls/syscall_32.tbl
@@ -4,7 +4,7 @@
# The format is:
# <number> <abi> <name> <entry point> <compat entry point>
#
-# The __ia32_sys and __compat_sys_ia32 stubs are created on-the-fly for
+# The __ia32_sys and __ia32_compat_sys stubs are created on-the-fly for
# sys_*() system calls and compat_sys_*() compat system calls if
# IA32_EMULATION is defined, and expect struct pt_regs *regs as their only
# parameter.
@@ -16,32 +16,32 @@
2 i386 fork sys_fork
3 i386 read sys_read __ia32_sys_read
4 i386 write sys_write __ia32_sys_write
-5 i386 open sys_open __compat_sys_ia32_open
+5 i386 open sys_open __ia32_compat_sys_open
6 i386 close sys_close __ia32_sys_close
7 i386 waitpid sys_waitpid __ia32_sys_waitpid
8 i386 creat sys_creat __ia32_sys_creat
9 i386 link sys_link __ia32_sys_link
10 i386 unlink sys_unlink __ia32_sys_unlink
-11 i386 execve sys_execve __compat_sys_ia32_execve
+11 i386 execve sys_execve __ia32_compat_sys_execve
12 i386 chdir sys_chdir __ia32_sys_chdir
-13 i386 time sys_time __compat_sys_ia32_time
+13 i386 time sys_time __ia32_compat_sys_time
14 i386 mknod sys_mknod __ia32_sys_mknod
15 i386 chmod sys_chmod __ia32_sys_chmod
16 i386 lchown sys_lchown16 __ia32_sys_lchown16
17 i386 break
18 i386 oldstat sys_stat __ia32_sys_stat
-19 i386 lseek sys_lseek __compat_sys_ia32_lseek
+19 i386 lseek sys_lseek __ia32_compat_sys_lseek
20 i386 getpid sys_getpid
-21 i386 mount sys_mount __compat_sys_ia32_mount
+21 i386 mount sys_mount __ia32_compat_sys_mount
22 i386 umount sys_oldumount __ia32_sys_oldumount
23 i386 setuid sys_setuid16 __ia32_sys_setuid16
24 i386 getuid sys_getuid16
-25 i386 stime sys_stime __compat_sys_ia32_stime
-26 i386 ptrace sys_ptrace __compat_sys_ia32_ptrace
+25 i386 stime sys_stime __ia32_compat_sys_stime
+26 i386 ptrace sys_ptrace __ia32_compat_sys_ptrace
27 i386 alarm sys_alarm __ia32_sys_alarm
28 i386 oldfstat sys_fstat __ia32_sys_fstat
29 i386 pause sys_pause
-30 i386 utime sys_utime __compat_sys_ia32_utime
+30 i386 utime sys_utime __ia32_compat_sys_utime
31 i386 stty
32 i386 gtty
33 i386 access sys_access __ia32_sys_access
@@ -54,7 +54,7 @@
40 i386 rmdir sys_rmdir __ia32_sys_rmdir
41 i386 dup sys_dup __ia32_sys_dup
42 i386 pipe sys_pipe __ia32_sys_pipe
-43 i386 times sys_times __compat_sys_ia32_times
+43 i386 times sys_times __ia32_compat_sys_times
44 i386 prof
45 i386 brk sys_brk __ia32_sys_brk
46 i386 setgid sys_setgid16 __ia32_sys_setgid16
@@ -65,84 +65,84 @@
51 i386 acct sys_acct __ia32_sys_acct
52 i386 umount2 sys_umount __ia32_sys_umount
53 i386 lock
-54 i386 ioctl sys_ioctl __compat_sys_ia32_ioctl
-55 i386 fcntl sys_fcntl __compat_sys_ia32_fcntl64
+54 i386 ioctl sys_ioctl __ia32_compat_sys_ioctl
+55 i386 fcntl sys_fcntl __ia32_compat_sys_fcntl64
56 i386 mpx
57 i386 setpgid sys_setpgid __ia32_sys_setpgid
58 i386 ulimit
59 i386 oldolduname sys_olduname __ia32_sys_olduname
60 i386 umask sys_umask __ia32_sys_umask
61 i386 chroot sys_chroot __ia32_sys_chroot
-62 i386 ustat sys_ustat __compat_sys_ia32_ustat
+62 i386 ustat sys_ustat __ia32_compat_sys_ustat
63 i386 dup2 sys_dup2 __ia32_sys_dup2
64 i386 getppid sys_getppid
65 i386 getpgrp sys_getpgrp
66 i386 setsid sys_setsid
-67 i386 sigaction sys_sigaction __compat_sys_ia32_sigaction
+67 i386 sigaction sys_sigaction __ia32_compat_sys_sigaction
68 i386 sgetmask sys_sgetmask
69 i386 ssetmask sys_ssetmask __ia32_sys_ssetmask
70 i386 setreuid sys_setreuid16 __ia32_sys_setreuid16
71 i386 setregid sys_setregid16 __ia32_sys_setregid16
72 i386 sigsuspend sys_sigsuspend __ia32_sys_sigsuspend
-73 i386 sigpending sys_sigpending __compat_sys_ia32_sigpending
+73 i386 sigpending sys_sigpending __ia32_compat_sys_sigpending
74 i386 sethostname sys_sethostname __ia32_sys_sethostname
-75 i386 setrlimit sys_setrlimit __compat_sys_ia32_setrlimit
-76 i386 getrlimit sys_old_getrlimit __compat_sys_ia32_old_getrlimit
-77 i386 getrusage sys_getrusage __compat_sys_ia32_getrusage
-78 i386 gettimeofday sys_gettimeofday __compat_sys_ia32_gettimeofday
-79 i386 settimeofday sys_settimeofday __compat_sys_ia32_settimeofday
+75 i386 setrlimit sys_setrlimit __ia32_compat_sys_setrlimit
+76 i386 getrlimit sys_old_getrlimit __ia32_compat_sys_old_getrlimit
+77 i386 getrusage sys_getrusage __ia32_compat_sys_getrusage
+78 i386 gettimeofday sys_gettimeofday __ia32_compat_sys_gettimeofday
+79 i386 settimeofday sys_settimeofday __ia32_compat_sys_settimeofday
80 i386 getgroups sys_getgroups16 __ia32_sys_getgroups16
81 i386 setgroups sys_setgroups16 __ia32_sys_setgroups16
-82 i386 select sys_old_select __compat_sys_ia32_old_select
+82 i386 select sys_old_select __ia32_compat_sys_old_select
83 i386 symlink sys_symlink __ia32_sys_symlink
84 i386 oldlstat sys_lstat __ia32_sys_lstat
85 i386 readlink sys_readlink __ia32_sys_readlink
86 i386 uselib sys_uselib __ia32_sys_uselib
87 i386 swapon sys_swapon __ia32_sys_swapon
88 i386 reboot sys_reboot __ia32_sys_reboot
-89 i386 readdir sys_old_readdir __compat_sys_ia32_old_readdir
-90 i386 mmap sys_old_mmap __compat_sys_ia32_x86_mmap
+89 i386 readdir sys_old_readdir __ia32_compat_sys_old_readdir
+90 i386 mmap sys_old_mmap __ia32_compat_sys_x86_mmap
91 i386 munmap sys_munmap __ia32_sys_munmap
-92 i386 truncate sys_truncate __compat_sys_ia32_truncate
-93 i386 ftruncate sys_ftruncate __compat_sys_ia32_ftruncate
+92 i386 truncate sys_truncate __ia32_compat_sys_truncate
+93 i386 ftruncate sys_ftruncate __ia32_compat_sys_ftruncate
94 i386 fchmod sys_fchmod __ia32_sys_fchmod
95 i386 fchown sys_fchown16 __ia32_sys_fchown16
96 i386 getpriority sys_getpriority __ia32_sys_getpriority
97 i386 setpriority sys_setpriority __ia32_sys_setpriority
98 i386 profil
-99 i386 statfs sys_statfs __compat_sys_ia32_statfs
-100 i386 fstatfs sys_fstatfs __compat_sys_ia32_fstatfs
+99 i386 statfs sys_statfs __ia32_compat_sys_statfs
+100 i386 fstatfs sys_fstatfs __ia32_compat_sys_fstatfs
101 i386 ioperm sys_ioperm __ia32_sys_ioperm
-102 i386 socketcall sys_socketcall __compat_sys_ia32_socketcall
+102 i386 socketcall sys_socketcall __ia32_compat_sys_socketcall
103 i386 syslog sys_syslog __ia32_sys_syslog
-104 i386 setitimer sys_setitimer __compat_sys_ia32_setitimer
-105 i386 getitimer sys_getitimer __compat_sys_ia32_getitimer
-106 i386 stat sys_newstat __compat_sys_ia32_newstat
-107 i386 lstat sys_newlstat __compat_sys_ia32_newlstat
-108 i386 fstat sys_newfstat __compat_sys_ia32_newfstat
+104 i386 setitimer sys_setitimer __ia32_compat_sys_setitimer
+105 i386 getitimer sys_getitimer __ia32_compat_sys_getitimer
+106 i386 stat sys_newstat __ia32_compat_sys_newstat
+107 i386 lstat sys_newlstat __ia32_compat_sys_newlstat
+108 i386 fstat sys_newfstat __ia32_compat_sys_newfstat
109 i386 olduname sys_uname __ia32_sys_uname
110 i386 iopl sys_iopl __ia32_sys_iopl
111 i386 vhangup sys_vhangup
112 i386 idle
113 i386 vm86old sys_vm86old sys_ni_syscall
-114 i386 wait4 sys_wait4 __compat_sys_ia32_wait4
+114 i386 wait4 sys_wait4 __ia32_compat_sys_wait4
115 i386 swapoff sys_swapoff __ia32_sys_swapoff
-116 i386 sysinfo sys_sysinfo __compat_sys_ia32_sysinfo
-117 i386 ipc sys_ipc __compat_sys_ia32_ipc
+116 i386 sysinfo sys_sysinfo __ia32_compat_sys_sysinfo
+117 i386 ipc sys_ipc __ia32_compat_sys_ipc
118 i386 fsync sys_fsync __ia32_sys_fsync
119 i386 sigreturn sys_sigreturn sys32_sigreturn
-120 i386 clone sys_clone __compat_sys_ia32_x86_clone
+120 i386 clone sys_clone __ia32_compat_sys_x86_clone
121 i386 setdomainname sys_setdomainname __ia32_sys_setdomainname
122 i386 uname sys_newuname __ia32_sys_newuname
123 i386 modify_ldt sys_modify_ldt __ia32_sys_modify_ldt
-124 i386 adjtimex sys_adjtimex __compat_sys_ia32_adjtimex
+124 i386 adjtimex sys_adjtimex __ia32_compat_sys_adjtimex
125 i386 mprotect sys_mprotect __ia32_sys_mprotect
-126 i386 sigprocmask sys_sigprocmask __compat_sys_ia32_sigprocmask
+126 i386 sigprocmask sys_sigprocmask __ia32_compat_sys_sigprocmask
127 i386 create_module
128 i386 init_module sys_init_module __ia32_sys_init_module
129 i386 delete_module sys_delete_module __ia32_sys_delete_module
130 i386 get_kernel_syms
-131 i386 quotactl sys_quotactl __compat_sys_ia32_quotactl32
+131 i386 quotactl sys_quotactl __ia32_compat_sys_quotactl32
132 i386 getpgid sys_getpgid __ia32_sys_getpgid
133 i386 fchdir sys_fchdir __ia32_sys_fchdir
134 i386 bdflush sys_bdflush __ia32_sys_bdflush
@@ -152,15 +152,15 @@
138 i386 setfsuid sys_setfsuid16 __ia32_sys_setfsuid16
139 i386 setfsgid sys_setfsgid16 __ia32_sys_setfsgid16
140 i386 _llseek sys_llseek __ia32_sys_llseek
-141 i386 getdents sys_getdents __compat_sys_ia32_getdents
-142 i386 _newselect sys_select __compat_sys_ia32_select
+141 i386 getdents sys_getdents __ia32_compat_sys_getdents
+142 i386 _newselect sys_select __ia32_compat_sys_select
143 i386 flock sys_flock __ia32_sys_flock
144 i386 msync sys_msync __ia32_sys_msync
-145 i386 readv sys_readv __compat_sys_ia32_readv
-146 i386 writev sys_writev __compat_sys_ia32_writev
+145 i386 readv sys_readv __ia32_compat_sys_readv
+146 i386 writev sys_writev __ia32_compat_sys_writev
147 i386 getsid sys_getsid __ia32_sys_getsid
148 i386 fdatasync sys_fdatasync __ia32_sys_fdatasync
-149 i386 _sysctl sys_sysctl __compat_sys_ia32_sysctl
+149 i386 _sysctl sys_sysctl __ia32_compat_sys_sysctl
150 i386 mlock sys_mlock __ia32_sys_mlock
151 i386 munlock sys_munlock __ia32_sys_munlock
152 i386 mlockall sys_mlockall __ia32_sys_mlockall
@@ -172,8 +172,8 @@
158 i386 sched_yield sys_sched_yield
159 i386 sched_get_priority_max sys_sched_get_priority_max __ia32_sys_sched_get_priority_max
160 i386 sched_get_priority_min sys_sched_get_priority_min __ia32_sys_sched_get_priority_min
-161 i386 sched_rr_get_interval sys_sched_rr_get_interval __compat_sys_ia32_sched_rr_get_interval
-162 i386 nanosleep sys_nanosleep __compat_sys_ia32_nanosleep
+161 i386 sched_rr_get_interval sys_sched_rr_get_interval __ia32_compat_sys_sched_rr_get_interval
+162 i386 nanosleep sys_nanosleep __ia32_compat_sys_nanosleep
163 i386 mremap sys_mremap __ia32_sys_mremap
164 i386 setresuid sys_setresuid16 __ia32_sys_setresuid16
165 i386 getresuid sys_getresuid16 __ia32_sys_getresuid16
@@ -185,30 +185,30 @@
171 i386 getresgid sys_getresgid16 __ia32_sys_getresgid16
172 i386 prctl sys_prctl __ia32_sys_prctl
173 i386 rt_sigreturn sys_rt_sigreturn sys32_rt_sigreturn
-174 i386 rt_sigaction sys_rt_sigaction __compat_sys_ia32_rt_sigaction
+174 i386 rt_sigaction sys_rt_sigaction __ia32_compat_sys_rt_sigaction
175 i386 rt_sigprocmask sys_rt_sigprocmask __ia32_sys_rt_sigprocmask
-176 i386 rt_sigpending sys_rt_sigpending __compat_sys_ia32_rt_sigpending
-177 i386 rt_sigtimedwait sys_rt_sigtimedwait __compat_sys_ia32_rt_sigtimedwait
-178 i386 rt_sigqueueinfo sys_rt_sigqueueinfo __compat_sys_ia32_rt_sigqueueinfo
+176 i386 rt_sigpending sys_rt_sigpending __ia32_compat_sys_rt_sigpending
+177 i386 rt_sigtimedwait sys_rt_sigtimedwait __ia32_compat_sys_rt_sigtimedwait
+178 i386 rt_sigqueueinfo sys_rt_sigqueueinfo __ia32_compat_sys_rt_sigqueueinfo
179 i386 rt_sigsuspend sys_rt_sigsuspend __ia32_sys_rt_sigsuspend
-180 i386 pread64 sys_pread64 __compat_sys_ia32_x86_pread
-181 i386 pwrite64 sys_pwrite64 __compat_sys_ia32_x86_pwrite
+180 i386 pread64 sys_pread64 __ia32_compat_sys_x86_pread
+181 i386 pwrite64 sys_pwrite64 __ia32_compat_sys_x86_pwrite
182 i386 chown sys_chown16 __ia32_sys_chown16
183 i386 getcwd sys_getcwd __ia32_sys_getcwd
184 i386 capget sys_capget __ia32_sys_capget
185 i386 capset sys_capset __ia32_sys_capset
-186 i386 sigaltstack sys_sigaltstack __compat_sys_ia32_sigaltstack
-187 i386 sendfile sys_sendfile __compat_sys_ia32_sendfile
+186 i386 sigaltstack sys_sigaltstack __ia32_compat_sys_sigaltstack
+187 i386 sendfile sys_sendfile __ia32_compat_sys_sendfile
188 i386 getpmsg
189 i386 putpmsg
190 i386 vfork sys_vfork
-191 i386 ugetrlimit sys_getrlimit __compat_sys_ia32_getrlimit
+191 i386 ugetrlimit sys_getrlimit __ia32_compat_sys_getrlimit
192 i386 mmap2 sys_mmap_pgoff __ia32_sys_mmap_pgoff
-193 i386 truncate64 sys_truncate64 __compat_sys_ia32_x86_truncate64
-194 i386 ftruncate64 sys_ftruncate64 __compat_sys_ia32_x86_ftruncate64
-195 i386 stat64 sys_stat64 __compat_sys_ia32_x86_stat64
-196 i386 lstat64 sys_lstat64 __compat_sys_ia32_x86_lstat64
-197 i386 fstat64 sys_fstat64 __compat_sys_ia32_x86_fstat64
+193 i386 truncate64 sys_truncate64 __ia32_compat_sys_x86_truncate64
+194 i386 ftruncate64 sys_ftruncate64 __ia32_compat_sys_x86_ftruncate64
+195 i386 stat64 sys_stat64 __ia32_compat_sys_x86_stat64
+196 i386 lstat64 sys_lstat64 __ia32_compat_sys_x86_lstat64
+197 i386 fstat64 sys_fstat64 __ia32_compat_sys_x86_fstat64
198 i386 lchown32 sys_lchown __ia32_sys_lchown
199 i386 getuid32 sys_getuid
200 i386 getgid32 sys_getgid
@@ -232,11 +232,11 @@
218 i386 mincore sys_mincore __ia32_sys_mincore
219 i386 madvise sys_madvise __ia32_sys_madvise
220 i386 getdents64 sys_getdents64 __ia32_sys_getdents64
-221 i386 fcntl64 sys_fcntl64 __compat_sys_ia32_fcntl64
+221 i386 fcntl64 sys_fcntl64 __ia32_compat_sys_fcntl64
# 222 is unused
# 223 is unused
224 i386 gettid sys_gettid
-225 i386 readahead sys_readahead __compat_sys_ia32_x86_readahead
+225 i386 readahead sys_readahead __ia32_compat_sys_x86_readahead
226 i386 setxattr sys_setxattr __ia32_sys_setxattr
227 i386 lsetxattr sys_lsetxattr __ia32_sys_lsetxattr
228 i386 fsetxattr sys_fsetxattr __ia32_sys_fsetxattr
@@ -251,67 +251,67 @@
237 i386 fremovexattr sys_fremovexattr __ia32_sys_fremovexattr
238 i386 tkill sys_tkill __ia32_sys_tkill
239 i386 sendfile64 sys_sendfile64 __ia32_sys_sendfile64
-240 i386 futex sys_futex __compat_sys_ia32_futex
-241 i386 sched_setaffinity sys_sched_setaffinity __compat_sys_ia32_sched_setaffinity
-242 i386 sched_getaffinity sys_sched_getaffinity __compat_sys_ia32_sched_getaffinity
+240 i386 futex sys_futex __ia32_compat_sys_futex
+241 i386 sched_setaffinity sys_sched_setaffinity __ia32_compat_sys_sched_setaffinity
+242 i386 sched_getaffinity sys_sched_getaffinity __ia32_compat_sys_sched_getaffinity
243 i386 set_thread_area sys_set_thread_area __ia32_sys_set_thread_area
244 i386 get_thread_area sys_get_thread_area __ia32_sys_get_thread_area
-245 i386 io_setup sys_io_setup __compat_sys_ia32_io_setup
+245 i386 io_setup sys_io_setup __ia32_compat_sys_io_setup
246 i386 io_destroy sys_io_destroy __ia32_sys_io_destroy
-247 i386 io_getevents sys_io_getevents __compat_sys_ia32_io_getevents
-248 i386 io_submit sys_io_submit __compat_sys_ia32_io_submit
+247 i386 io_getevents sys_io_getevents __ia32_compat_sys_io_getevents
+248 i386 io_submit sys_io_submit __ia32_compat_sys_io_submit
249 i386 io_cancel sys_io_cancel __ia32_sys_io_cancel
-250 i386 fadvise64 sys_fadvise64 __compat_sys_ia32_x86_fadvise64
+250 i386 fadvise64 sys_fadvise64 __ia32_compat_sys_x86_fadvise64
# 251 is available for reuse (was briefly sys_set_zone_reclaim)
252 i386 exit_group sys_exit_group __ia32_sys_exit_group
-253 i386 lookup_dcookie sys_lookup_dcookie __compat_sys_ia32_lookup_dcookie
+253 i386 lookup_dcookie sys_lookup_dcookie __ia32_compat_sys_lookup_dcookie
254 i386 epoll_create sys_epoll_create __ia32_sys_epoll_create
255 i386 epoll_ctl sys_epoll_ctl __ia32_sys_epoll_ctl
256 i386 epoll_wait sys_epoll_wait __ia32_sys_epoll_wait
257 i386 remap_file_pages sys_remap_file_pages __ia32_sys_remap_file_pages
258 i386 set_tid_address sys_set_tid_address __ia32_sys_set_tid_address
-259 i386 timer_create sys_timer_create __compat_sys_ia32_timer_create
-260 i386 timer_settime sys_timer_settime __compat_sys_ia32_timer_settime
-261 i386 timer_gettime sys_timer_gettime __compat_sys_ia32_timer_gettime
+259 i386 timer_create sys_timer_create __ia32_compat_sys_timer_create
+260 i386 timer_settime sys_timer_settime __ia32_compat_sys_timer_settime
+261 i386 timer_gettime sys_timer_gettime __ia32_compat_sys_timer_gettime
262 i386 timer_getoverrun sys_timer_getoverrun __ia32_sys_timer_getoverrun
263 i386 timer_delete sys_timer_delete __ia32_sys_timer_delete
-264 i386 clock_settime sys_clock_settime __compat_sys_ia32_clock_settime
-265 i386 clock_gettime sys_clock_gettime __compat_sys_ia32_clock_gettime
-266 i386 clock_getres sys_clock_getres __compat_sys_ia32_clock_getres
-267 i386 clock_nanosleep sys_clock_nanosleep __compat_sys_ia32_clock_nanosleep
-268 i386 statfs64 sys_statfs64 __compat_sys_ia32_statfs64
-269 i386 fstatfs64 sys_fstatfs64 __compat_sys_ia32_fstatfs64
+264 i386 clock_settime sys_clock_settime __ia32_compat_sys_clock_settime
+265 i386 clock_gettime sys_clock_gettime __ia32_compat_sys_clock_gettime
+266 i386 clock_getres sys_clock_getres __ia32_compat_sys_clock_getres
+267 i386 clock_nanosleep sys_clock_nanosleep __ia32_compat_sys_clock_nanosleep
+268 i386 statfs64 sys_statfs64 __ia32_compat_sys_statfs64
+269 i386 fstatfs64 sys_fstatfs64 __ia32_compat_sys_fstatfs64
270 i386 tgkill sys_tgkill __ia32_sys_tgkill
-271 i386 utimes sys_utimes __compat_sys_ia32_utimes
-272 i386 fadvise64_64 sys_fadvise64_64 __compat_sys_ia32_x86_fadvise64_64
+271 i386 utimes sys_utimes __ia32_compat_sys_utimes
+272 i386 fadvise64_64 sys_fadvise64_64 __ia32_compat_sys_x86_fadvise64_64
273 i386 vserver
274 i386 mbind sys_mbind __ia32_sys_mbind
-275 i386 get_mempolicy sys_get_mempolicy __compat_sys_ia32_get_mempolicy
+275 i386 get_mempolicy sys_get_mempolicy __ia32_compat_sys_get_mempolicy
276 i386 set_mempolicy sys_set_mempolicy __ia32_sys_set_mempolicy
-277 i386 mq_open sys_mq_open __compat_sys_ia32_mq_open
+277 i386 mq_open sys_mq_open __ia32_compat_sys_mq_open
278 i386 mq_unlink sys_mq_unlink __ia32_sys_mq_unlink
-279 i386 mq_timedsend sys_mq_timedsend __compat_sys_ia32_mq_timedsend
-280 i386 mq_timedreceive sys_mq_timedreceive __compat_sys_ia32_mq_timedreceive
-281 i386 mq_notify sys_mq_notify __compat_sys_ia32_mq_notify
-282 i386 mq_getsetattr sys_mq_getsetattr __compat_sys_ia32_mq_getsetattr
-283 i386 kexec_load sys_kexec_load __compat_sys_ia32_kexec_load
-284 i386 waitid sys_waitid __compat_sys_ia32_waitid
+279 i386 mq_timedsend sys_mq_timedsend __ia32_compat_sys_mq_timedsend
+280 i386 mq_timedreceive sys_mq_timedreceive __ia32_compat_sys_mq_timedreceive
+281 i386 mq_notify sys_mq_notify __ia32_compat_sys_mq_notify
+282 i386 mq_getsetattr sys_mq_getsetattr __ia32_compat_sys_mq_getsetattr
+283 i386 kexec_load sys_kexec_load __ia32_compat_sys_kexec_load
+284 i386 waitid sys_waitid __ia32_compat_sys_waitid
# 285 sys_setaltroot
286 i386 add_key sys_add_key __ia32_sys_add_key
287 i386 request_key sys_request_key __ia32_sys_request_key
-288 i386 keyctl sys_keyctl __compat_sys_ia32_keyctl
+288 i386 keyctl sys_keyctl __ia32_compat_sys_keyctl
289 i386 ioprio_set sys_ioprio_set __ia32_sys_ioprio_set
290 i386 ioprio_get sys_ioprio_get __ia32_sys_ioprio_get
291 i386 inotify_init sys_inotify_init
292 i386 inotify_add_watch sys_inotify_add_watch __ia32_sys_inotify_add_watch
293 i386 inotify_rm_watch sys_inotify_rm_watch __ia32_sys_inotify_rm_watch
294 i386 migrate_pages sys_migrate_pages __ia32_sys_migrate_pages
-295 i386 openat sys_openat __compat_sys_ia32_openat
+295 i386 openat sys_openat __ia32_compat_sys_openat
296 i386 mkdirat sys_mkdirat __ia32_sys_mkdirat
297 i386 mknodat sys_mknodat __ia32_sys_mknodat
298 i386 fchownat sys_fchownat __ia32_sys_fchownat
-299 i386 futimesat sys_futimesat __compat_sys_ia32_futimesat
-300 i386 fstatat64 sys_fstatat64 __compat_sys_ia32_x86_fstatat
+299 i386 futimesat sys_futimesat __ia32_compat_sys_futimesat
+300 i386 fstatat64 sys_fstatat64 __ia32_compat_sys_x86_fstatat
301 i386 unlinkat sys_unlinkat __ia32_sys_unlinkat
302 i386 renameat sys_renameat __ia32_sys_renameat
303 i386 linkat sys_linkat __ia32_sys_linkat
@@ -319,47 +319,47 @@
305 i386 readlinkat sys_readlinkat __ia32_sys_readlinkat
306 i386 fchmodat sys_fchmodat __ia32_sys_fchmodat
307 i386 faccessat sys_faccessat __ia32_sys_faccessat
-308 i386 pselect6 sys_pselect6 __compat_sys_ia32_pselect6
-309 i386 ppoll sys_ppoll __compat_sys_ia32_ppoll
+308 i386 pselect6 sys_pselect6 __ia32_compat_sys_pselect6
+309 i386 ppoll sys_ppoll __ia32_compat_sys_ppoll
310 i386 unshare sys_unshare __ia32_sys_unshare
-311 i386 set_robust_list sys_set_robust_list __compat_sys_ia32_set_robust_list
-312 i386 get_robust_list sys_get_robust_list __compat_sys_ia32_get_robust_list
+311 i386 set_robust_list sys_set_robust_list __ia32_compat_sys_set_robust_list
+312 i386 get_robust_list sys_get_robust_list __ia32_compat_sys_get_robust_list
313 i386 splice sys_splice __ia32_sys_splice
-314 i386 sync_file_range sys_sync_file_range __compat_sys_ia32_x86_sync_file_range
+314 i386 sync_file_range sys_sync_file_range __ia32_compat_sys_x86_sync_file_range
315 i386 tee sys_tee __ia32_sys_tee
-316 i386 vmsplice sys_vmsplice __compat_sys_ia32_vmsplice
-317 i386 move_pages sys_move_pages __compat_sys_ia32_move_pages
+316 i386 vmsplice sys_vmsplice __ia32_compat_sys_vmsplice
+317 i386 move_pages sys_move_pages __ia32_compat_sys_move_pages
318 i386 getcpu sys_getcpu __ia32_sys_getcpu
319 i386 epoll_pwait sys_epoll_pwait __ia32_sys_epoll_pwait
-320 i386 utimensat sys_utimensat __compat_sys_ia32_utimensat
-321 i386 signalfd sys_signalfd __compat_sys_ia32_signalfd
+320 i386 utimensat sys_utimensat __ia32_compat_sys_utimensat
+321 i386 signalfd sys_signalfd __ia32_compat_sys_signalfd
322 i386 timerfd_create sys_timerfd_create __ia32_sys_timerfd_create
323 i386 eventfd sys_eventfd __ia32_sys_eventfd
-324 i386 fallocate sys_fallocate __compat_sys_ia32_x86_fallocate
-325 i386 timerfd_settime sys_timerfd_settime __compat_sys_ia32_timerfd_settime
-326 i386 timerfd_gettime sys_timerfd_gettime __compat_sys_ia32_timerfd_gettime
-327 i386 signalfd4 sys_signalfd4 __compat_sys_ia32_signalfd4
+324 i386 fallocate sys_fallocate __ia32_compat_sys_x86_fallocate
+325 i386 timerfd_settime sys_timerfd_settime __ia32_compat_sys_timerfd_settime
+326 i386 timerfd_gettime sys_timerfd_gettime __ia32_compat_sys_timerfd_gettime
+327 i386 signalfd4 sys_signalfd4 __ia32_compat_sys_signalfd4
328 i386 eventfd2 sys_eventfd2 __ia32_sys_eventfd2
329 i386 epoll_create1 sys_epoll_create1 __ia32_sys_epoll_create1
330 i386 dup3 sys_dup3 __ia32_sys_dup3
331 i386 pipe2 sys_pipe2 __ia32_sys_pipe2
332 i386 inotify_init1 sys_inotify_init1 __ia32_sys_inotify_init1
-333 i386 preadv sys_preadv __compat_sys_ia32_preadv
-334 i386 pwritev sys_pwritev __compat_sys_ia32_pwritev
-335 i386 rt_tgsigqueueinfo sys_rt_tgsigqueueinfo __compat_sys_ia32_rt_tgsigqueueinfo
+333 i386 preadv sys_preadv __ia32_compat_sys_preadv
+334 i386 pwritev sys_pwritev __ia32_compat_sys_pwritev
+335 i386 rt_tgsigqueueinfo sys_rt_tgsigqueueinfo __ia32_compat_sys_rt_tgsigqueueinfo
336 i386 perf_event_open sys_perf_event_open __ia32_sys_perf_event_open
-337 i386 recvmmsg sys_recvmmsg __compat_sys_ia32_recvmmsg
+337 i386 recvmmsg sys_recvmmsg __ia32_compat_sys_recvmmsg
338 i386 fanotify_init sys_fanotify_init __ia32_sys_fanotify_init
-339 i386 fanotify_mark sys_fanotify_mark __compat_sys_ia32_fanotify_mark
+339 i386 fanotify_mark sys_fanotify_mark __ia32_compat_sys_fanotify_mark
340 i386 prlimit64 sys_prlimit64 __ia32_sys_prlimit64
341 i386 name_to_handle_at sys_name_to_handle_at __ia32_sys_name_to_handle_at
-342 i386 open_by_handle_at sys_open_by_handle_at __compat_sys_ia32_open_by_handle_at
-343 i386 clock_adjtime sys_clock_adjtime __compat_sys_ia32_clock_adjtime
+342 i386 open_by_handle_at sys_open_by_handle_at __ia32_compat_sys_open_by_handle_at
+343 i386 clock_adjtime sys_clock_adjtime __ia32_compat_sys_clock_adjtime
344 i386 syncfs sys_syncfs __ia32_sys_syncfs
-345 i386 sendmmsg sys_sendmmsg __compat_sys_ia32_sendmmsg
+345 i386 sendmmsg sys_sendmmsg __ia32_compat_sys_sendmmsg
346 i386 setns sys_setns __ia32_sys_setns
-347 i386 process_vm_readv sys_process_vm_readv __compat_sys_ia32_process_vm_readv
-348 i386 process_vm_writev sys_process_vm_writev __compat_sys_ia32_process_vm_writev
+347 i386 process_vm_readv sys_process_vm_readv __ia32_compat_sys_process_vm_readv
+348 i386 process_vm_writev sys_process_vm_writev __ia32_compat_sys_process_vm_writev
349 i386 kcmp sys_kcmp __ia32_sys_kcmp
350 i386 finit_module sys_finit_module __ia32_sys_finit_module
351 i386 sched_setattr sys_sched_setattr __ia32_sys_sched_setattr
@@ -369,30 +369,30 @@
355 i386 getrandom sys_getrandom __ia32_sys_getrandom
356 i386 memfd_create sys_memfd_create __ia32_sys_memfd_create
357 i386 bpf sys_bpf __ia32_sys_bpf
-358 i386 execveat sys_execveat __compat_sys_ia32_execveat
+358 i386 execveat sys_execveat __ia32_compat_sys_execveat
359 i386 socket sys_socket __ia32_sys_socket
360 i386 socketpair sys_socketpair __ia32_sys_socketpair
361 i386 bind sys_bind __ia32_sys_bind
362 i386 connect sys_connect __ia32_sys_connect
363 i386 listen sys_listen __ia32_sys_listen
364 i386 accept4 sys_accept4 __ia32_sys_accept4
-365 i386 getsockopt sys_getsockopt __compat_sys_ia32_getsockopt
-366 i386 setsockopt sys_setsockopt __compat_sys_ia32_setsockopt
+365 i386 getsockopt sys_getsockopt __ia32_compat_sys_getsockopt
+366 i386 setsockopt sys_setsockopt __ia32_compat_sys_setsockopt
367 i386 getsockname sys_getsockname __ia32_sys_getsockname
368 i386 getpeername sys_getpeername __ia32_sys_getpeername
369 i386 sendto sys_sendto __ia32_sys_sendto
-370 i386 sendmsg sys_sendmsg __compat_sys_ia32_sendmsg
-371 i386 recvfrom sys_recvfrom __compat_sys_ia32_recvfrom
-372 i386 recvmsg sys_recvmsg __compat_sys_ia32_recvmsg
+370 i386 sendmsg sys_sendmsg __ia32_compat_sys_sendmsg
+371 i386 recvfrom sys_recvfrom __ia32_compat_sys_recvfrom
+372 i386 recvmsg sys_recvmsg __ia32_compat_sys_recvmsg
373 i386 shutdown sys_shutdown __ia32_sys_shutdown
374 i386 userfaultfd sys_userfaultfd __ia32_sys_userfaultfd
375 i386 membarrier sys_membarrier __ia32_sys_membarrier
376 i386 mlock2 sys_mlock2 __ia32_sys_mlock2
377 i386 copy_file_range sys_copy_file_range __ia32_sys_copy_file_range
-378 i386 preadv2 sys_preadv2 __compat_sys_ia32_preadv2
-379 i386 pwritev2 sys_pwritev2 __compat_sys_ia32_pwritev2
+378 i386 preadv2 sys_preadv2 __ia32_compat_sys_preadv2
+379 i386 pwritev2 sys_pwritev2 __ia32_compat_sys_pwritev2
380 i386 pkey_mprotect sys_pkey_mprotect __ia32_sys_pkey_mprotect
381 i386 pkey_alloc sys_pkey_alloc __ia32_sys_pkey_alloc
382 i386 pkey_free sys_pkey_free __ia32_sys_pkey_free
383 i386 statx sys_statx __ia32_sys_statx
-384 i386 arch_prctl sys_arch_prctl __compat_sys_ia32_arch_prctl
+384 i386 arch_prctl sys_arch_prctl __ia32_compat_sys_arch_prctl
diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl
index a83c0f7f462f..73f4951fc2fa 100644
--- a/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/arch/x86/entry/syscalls/syscall_64.tbl
@@ -342,43 +342,43 @@
#
# x32-specific system call numbers start at 512 to avoid cache impact
-# for native 64-bit operation. The __compat_sys_x32 stubs are created
+# for native 64-bit operation. The __x32_compat_sys stubs are created
# on-the-fly for compat_sys_*() compatibility system calls if X86_X32
# is defined.
#
-512 x32 rt_sigaction __compat_sys_x32_rt_sigaction
+512 x32 rt_sigaction __x32_compat_sys_rt_sigaction
513 x32 rt_sigreturn sys32_x32_rt_sigreturn
-514 x32 ioctl __compat_sys_x32_ioctl
-515 x32 readv __compat_sys_x32_readv
-516 x32 writev __compat_sys_x32_writev
-517 x32 recvfrom __compat_sys_x32_recvfrom
-518 x32 sendmsg __compat_sys_x32_sendmsg
-519 x32 recvmsg __compat_sys_x32_recvmsg
-520 x32 execve __compat_sys_x32_execve/ptregs
-521 x32 ptrace __compat_sys_x32_ptrace
-522 x32 rt_sigpending __compat_sys_x32_rt_sigpending
-523 x32 rt_sigtimedwait __compat_sys_x32_rt_sigtimedwait
-524 x32 rt_sigqueueinfo __compat_sys_x32_rt_sigqueueinfo
-525 x32 sigaltstack __compat_sys_x32_sigaltstack
-526 x32 timer_create __compat_sys_x32_timer_create
-527 x32 mq_notify __compat_sys_x32_mq_notify
-528 x32 kexec_load __compat_sys_x32_kexec_load
-529 x32 waitid __compat_sys_x32_waitid
-530 x32 set_robust_list __compat_sys_x32_set_robust_list
-531 x32 get_robust_list __compat_sys_x32_get_robust_list
-532 x32 vmsplice __compat_sys_x32_vmsplice
-533 x32 move_pages __compat_sys_x32_move_pages
-534 x32 preadv __compat_sys_x32_preadv64
-535 x32 pwritev __compat_sys_x32_pwritev64
-536 x32 rt_tgsigqueueinfo __compat_sys_x32_rt_tgsigqueueinfo
-537 x32 recvmmsg __compat_sys_x32_recvmmsg
-538 x32 sendmmsg __compat_sys_x32_sendmmsg
-539 x32 process_vm_readv __compat_sys_x32_process_vm_readv
-540 x32 process_vm_writev __compat_sys_x32_process_vm_writev
-541 x32 setsockopt __compat_sys_x32_setsockopt
-542 x32 getsockopt __compat_sys_x32_getsockopt
-543 x32 io_setup __compat_sys_x32_io_setup
-544 x32 io_submit __compat_sys_x32_io_submit
-545 x32 execveat __compat_sys_x32_execveat/ptregs
-546 x32 preadv2 __compat_sys_x32_preadv64v2
-547 x32 pwritev2 __compat_sys_x32_pwritev64v2
+514 x32 ioctl __x32_compat_sys_ioctl
+515 x32 readv __x32_compat_sys_readv
+516 x32 writev __x32_compat_sys_writev
+517 x32 recvfrom __x32_compat_sys_recvfrom
+518 x32 sendmsg __x32_compat_sys_sendmsg
+519 x32 recvmsg __x32_compat_sys_recvmsg
+520 x32 execve __x32_compat_sys_execve/ptregs
+521 x32 ptrace __x32_compat_sys_ptrace
+522 x32 rt_sigpending __x32_compat_sys_rt_sigpending
+523 x32 rt_sigtimedwait __x32_compat_sys_rt_sigtimedwait
+524 x32 rt_sigqueueinfo __x32_compat_sys_rt_sigqueueinfo
+525 x32 sigaltstack __x32_compat_sys_sigaltstack
+526 x32 timer_create __x32_compat_sys_timer_create
+527 x32 mq_notify __x32_compat_sys_mq_notify
+528 x32 kexec_load __x32_compat_sys_kexec_load
+529 x32 waitid __x32_compat_sys_waitid
+530 x32 set_robust_list __x32_compat_sys_set_robust_list
+531 x32 get_robust_list __x32_compat_sys_get_robust_list
+532 x32 vmsplice __x32_compat_sys_vmsplice
+533 x32 move_pages __x32_compat_sys_move_pages
+534 x32 preadv __x32_compat_sys_preadv64
+535 x32 pwritev __x32_compat_sys_pwritev64
+536 x32 rt_tgsigqueueinfo __x32_compat_sys_rt_tgsigqueueinfo
+537 x32 recvmmsg __x32_compat_sys_recvmmsg
+538 x32 sendmmsg __x32_compat_sys_sendmmsg
+539 x32 process_vm_readv __x32_compat_sys_process_vm_readv
+540 x32 process_vm_writev __x32_compat_sys_process_vm_writev
+541 x32 setsockopt __x32_compat_sys_setsockopt
+542 x32 getsockopt __x32_compat_sys_getsockopt
+543 x32 io_setup __x32_compat_sys_io_setup
+544 x32 io_submit __x32_compat_sys_io_submit
+545 x32 execveat __x32_compat_sys_execveat/ptregs
+546 x32 preadv2 __x32_compat_sys_preadv64v2
+547 x32 pwritev2 __x32_compat_sys_pwritev64v2
diff --git a/arch/x86/include/asm/syscall_wrapper.h b/arch/x86/include/asm/syscall_wrapper.h
index 798a3c2bff4f..8d0951cfc2d4 100644
--- a/arch/x86/include/asm/syscall_wrapper.h
+++ b/arch/x86/include/asm/syscall_wrapper.h
@@ -29,11 +29,11 @@
* case as well.
*/
#define COMPAT_SC_IA32_STUBx(x, name, ...) \
- asmlinkage long __compat_sys_ia32##name(const struct pt_regs *regs);\
- ALLOW_ERROR_INJECTION(__compat_sys_ia32##name, ERRNO); \
- asmlinkage long __compat_sys_ia32##name(const struct pt_regs *regs)\
+ asmlinkage long __ia32_compat_sys##name(const struct pt_regs *regs);\
+ ALLOW_ERROR_INJECTION(__ia32_compat_sys##name, ERRNO); \
+ asmlinkage long __ia32_compat_sys##name(const struct pt_regs *regs)\
{ \
- return c_SyS##name(SC_IA32_REGS_TO_ARGS(x,__VA_ARGS__));\
+ return __se_compat_sys##name(SC_IA32_REGS_TO_ARGS(x,__VA_ARGS__));\
} \
#define SC_IA32_WRAPPERx(x, name, ...) \
@@ -65,11 +65,11 @@
* with x86_64 obviously do not need such care.
*/
#define COMPAT_SC_X32_STUBx(x, name, ...) \
- asmlinkage long __compat_sys_x32##name(const struct pt_regs *regs);\
- ALLOW_ERROR_INJECTION(__compat_sys_x32##name, ERRNO); \
- asmlinkage long __compat_sys_x32##name(const struct pt_regs *regs)\
+ asmlinkage long __x32_compat_sys##name(const struct pt_regs *regs);\
+ ALLOW_ERROR_INJECTION(__x32_compat_sys##name, ERRNO); \
+ asmlinkage long __x32_compat_sys##name(const struct pt_regs *regs)\
{ \
- return c_SyS##name(SC_X86_64_REGS_TO_ARGS(x,__VA_ARGS__));\
+ return __se_compat_sys##name(SC_X86_64_REGS_TO_ARGS(x,__VA_ARGS__));\
} \
#else /* CONFIG_X86_X32 */
@@ -84,16 +84,16 @@
* of them. There is no need to implement COMPAT_SYSCALL_DEFINE0, as it is
* unused on x86.
*/
-#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
- static long c_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
- static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
- COMPAT_SC_IA32_STUBx(x, name, __VA_ARGS__) \
- COMPAT_SC_X32_STUBx(x, name, __VA_ARGS__) \
- static long c_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
- { \
- return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \
- } \
- static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__))
+#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
+ static long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
+ static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
+ COMPAT_SC_IA32_STUBx(x, name, __VA_ARGS__) \
+ COMPAT_SC_X32_STUBx(x, name, __VA_ARGS__) \
+ static long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
+ { \
+ return __do_compat_sys##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__));\
+ } \
+ static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
/*
* As some compat syscalls may not be implemented, we need to expand
@@ -101,12 +101,12 @@
* kernel/time/posix-stubs.c to cover this case as well.
*/
#define COND_SYSCALL_COMPAT(name) \
- cond_syscall(__compat_sys_ia32_##name); \
- cond_syscall(__compat_sys_x32_##name)
+ cond_syscall(__ia32_compat_sys_##name); \
+ cond_syscall(__x32_compat_sys_##name)
#define COMPAT_SYS_NI(name) \
- SYSCALL_ALIAS(__compat_sys_ia32_##name, sys_ni_posix_timers); \
- SYSCALL_ALIAS(__compat_sys_x32_##name, sys_ni_posix_timers)
+ SYSCALL_ALIAS(__ia32_compat_sys_##name, sys_ni_posix_timers); \
+ SYSCALL_ALIAS(__x32_compat_sys_##name, sys_ni_posix_timers)
#endif /* CONFIG_COMPAT */
diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h
index d4d18d94695c..9fa979dd0d9d 100644
--- a/arch/x86/include/asm/syscalls.h
+++ b/arch/x86/include/asm/syscalls.h
@@ -20,7 +20,7 @@
long ksys_ioperm(unsigned long from, unsigned long num, int turn_on);
#ifdef CONFIG_X86_32
-/*
+/*
* These definitions are only valid on pure 32-bit systems; x86-64 uses a
* different syscall calling convention
*/
diff --git a/include/linux/compat.h b/include/linux/compat.h
index 2d85ec5cfda2..aca050aac7b6 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -63,19 +63,24 @@
#define COMPAT_SYSCALL_DEFINE6(name, ...) \
COMPAT_SYSCALL_DEFINEx(6, _##name, __VA_ARGS__)
+/*
+ * The asmlinkage stub is aliased to a function named __se_compat_sys_*() which
+ * sign-extends 32-bit ints to longs whenever needed. The actual work is
+ * done within __do_compat_sys_*().
+ */
#ifndef COMPAT_SYSCALL_DEFINEx
-#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
- asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
- asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))\
- __attribute__((alias(__stringify(compat_SyS##name)))); \
- ALLOW_ERROR_INJECTION(compat_sys##name, ERRNO); \
- static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
- asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__));\
- asmlinkage long compat_SyS##name(__MAP(x,__SC_LONG,__VA_ARGS__))\
- { \
- return C_SYSC##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__)); \
- } \
- static inline long C_SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__))
+#define COMPAT_SYSCALL_DEFINEx(x, name, ...) \
+ asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
+ asmlinkage long compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
+ __attribute__((alias(__stringify(__se_compat_sys##name)))); \
+ ALLOW_ERROR_INJECTION(compat_sys##name, ERRNO); \
+ static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
+ asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
+ asmlinkage long __se_compat_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
+ { \
+ return __do_compat_sys##name(__MAP(x,__SC_DELOUSE,__VA_ARGS__));\
+ } \
+ static inline long __do_compat_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
#endif /* COMPAT_SYSCALL_DEFINEx */
#ifndef compat_user_stack_pointer
diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter
index ce129e61cc65..a923f05edb36 100755
--- a/scripts/bloat-o-meter
+++ b/scripts/bloat-o-meter
@@ -31,7 +31,7 @@ def getsizes(file, format):
# strip generated symbols
if name.startswith("__mod_"): continue
if name.startswith("__se_sys"): continue
- if name.startswith("compat_SyS_"): continue
+ if name.startswith("__se_compat_sys"): continue
if name == "linux_banner": continue
# statics and some other optimizations adds random .NUMBER
name = re_NUMBER.sub('', name)
--
2.17.0