[v2,4/4] compat: remove some compat entry points

Message ID	20201102123151.2860165-5-arnd@kernel.org (mailing list archive)
State	New, archived
Headers	show Return-Path: <SRS0=YsDo=EI=kvack.org=owner-linux-mm@kernel.org> DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9FE0F2225B From: Arnd Bergmann <arnd@kernel.org> To: linux-arch@vger.kernel.org Cc: Arnd Bergmann <arnd@arndb.de>, Alexander Viro <viro@zeniv.linux.org.uk>, Andrew Morton <akpm@linux-foundation.org>, Andy Lutomirski <luto@kernel.org>, Borislav Petkov <bp@alien8.de>, Brian Gerst <brgerst@gmail.com>, Christoph Hellwig <hch@infradead.org>, Eric Biederman <ebiederm@xmission.com>, Ingo Molnar <mingo@kernel.org>, "H . Peter Anvin" <hpa@zytor.com>, Thomas Gleixner <tglx@linutronix.de>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, kexec@lists.infradead.org Subject: [PATCH v2 4/4] compat: remove some compat entry points Date: Mon, 2 Nov 2020 13:31:51 +0100 Message-Id: <20201102123151.2860165-5-arnd@kernel.org> In-Reply-To: <20201102123151.2860165-1-arnd@kernel.org> References: <20201102123151.2860165-1-arnd@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org Precedence: bulk
Series	syscalls: remove compat_alloc_user_space callers \| expand [v2,0/4] syscalls: remove compat_alloc_user_space callers [v2,1/4] kexec: simplify compat_sys_kexec_load [v2,2/4] mm: simplify compat_sys_move_pages [v2,3/4] mm: simplify compat numa syscalls [v2,4/4] compat: remove some compat entry points

diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index 107f08e03b9f..25ae90737207 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -649,11 +649,11 @@ __SYSCALL(__NR_inotify_add_watch, sys_inotify_add_watch) #define __NR_inotify_rm_watch 318 __SYSCALL(__NR_inotify_rm_watch, sys_inotify_rm_watch) #define __NR_mbind 319 -__SYSCALL(__NR_mbind, compat_sys_mbind) +__SYSCALL(__NR_mbind, sys_mbind) #define __NR_get_mempolicy 320 -__SYSCALL(__NR_get_mempolicy, compat_sys_get_mempolicy) +__SYSCALL(__NR_get_mempolicy, sys_get_mempolicy) #define __NR_set_mempolicy 321 -__SYSCALL(__NR_set_mempolicy, compat_sys_set_mempolicy) +__SYSCALL(__NR_set_mempolicy, sys_set_mempolicy) #define __NR_openat 322 __SYSCALL(__NR_openat, compat_sys_openat) #define __NR_mkdirat 323 @@ -699,13 +699,13 @@ __SYSCALL(__NR_tee, sys_tee) #define __NR_vmsplice 343 __SYSCALL(__NR_vmsplice, sys_vmsplice) #define __NR_move_pages 344 -__SYSCALL(__NR_move_pages, compat_sys_move_pages) +__SYSCALL(__NR_move_pages, sys_move_pages) #define __NR_getcpu 345 __SYSCALL(__NR_getcpu, sys_getcpu) #define __NR_epoll_pwait 346 __SYSCALL(__NR_epoll_pwait, compat_sys_epoll_pwait) #define __NR_kexec_load 347 -__SYSCALL(__NR_kexec_load, compat_sys_kexec_load) +__SYSCALL(__NR_kexec_load, sys_kexec_load) #define __NR_utimensat 348 __SYSCALL(__NR_utimensat, sys_utimensat_time32) #define __NR_signalfd 349 @@ -811,7 +811,7 @@ __SYSCALL(__NR_rseq, sys_rseq) #define __NR_io_pgetevents 399 __SYSCALL(__NR_io_pgetevents, compat_sys_io_pgetevents) #define __NR_migrate_pages 400 -__SYSCALL(__NR_migrate_pages, compat_sys_migrate_pages) +__SYSCALL(__NR_migrate_pages, sys_migrate_pages) #define __NR_kexec_file_load 401 __SYSCALL(__NR_kexec_file_load, sys_kexec_file_load) /* 402 is unused */ diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl index 32817c954435..fe1ce23b8e57 100644 --- a/arch/mips/kernel/syscalls/syscall_n32.tbl +++ b/arch/mips/kernel/syscalls/syscall_n32.tbl @@ -239,9 +239,9 @@ 228 n32 clock_nanosleep sys_clock_nanosleep_time32 229 n32 tgkill sys_tgkill 230 n32 utimes sys_utimes_time32 -231 n32 mbind compat_sys_mbind -232 n32 get_mempolicy compat_sys_get_mempolicy -233 n32 set_mempolicy compat_sys_set_mempolicy +231 n32 mbind sys_mbind +232 n32 get_mempolicy sys_get_mempolicy +233 n32 set_mempolicy sys_set_mempolicy 234 n32 mq_open compat_sys_mq_open 235 n32 mq_unlink sys_mq_unlink 236 n32 mq_timedsend sys_mq_timedsend_time32 @@ -258,7 +258,7 @@ 247 n32 inotify_init sys_inotify_init 248 n32 inotify_add_watch sys_inotify_add_watch 249 n32 inotify_rm_watch sys_inotify_rm_watch -250 n32 migrate_pages compat_sys_migrate_pages +250 n32 migrate_pages sys_migrate_pages 251 n32 openat sys_openat 252 n32 mkdirat sys_mkdirat 253 n32 mknodat sys_mknodat @@ -279,10 +279,10 @@ 268 n32 sync_file_range sys_sync_file_range 269 n32 tee sys_tee 270 n32 vmsplice sys_vmsplice -271 n32 move_pages compat_sys_move_pages +271 n32 move_pages sys_move_pages 272 n32 set_robust_list compat_sys_set_robust_list 273 n32 get_robust_list compat_sys_get_robust_list -274 n32 kexec_load compat_sys_kexec_load +274 n32 kexec_load sys_kexec_load 275 n32 getcpu sys_getcpu 276 n32 epoll_pwait compat_sys_epoll_pwait 277 n32 ioprio_set sys_ioprio_set diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl index 29f5f28cf5ce..96982414890f 100644 --- a/arch/mips/kernel/syscalls/syscall_o32.tbl +++ b/arch/mips/kernel/syscalls/syscall_o32.tbl @@ -279,9 +279,9 @@ 265 o32 clock_nanosleep sys_clock_nanosleep_time32 266 o32 tgkill sys_tgkill 267 o32 utimes sys_utimes_time32 -268 o32 mbind sys_mbind compat_sys_mbind -269 o32 get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy -270 o32 set_mempolicy sys_set_mempolicy compat_sys_set_mempolicy +268 o32 mbind sys_mbind +269 o32 get_mempolicy sys_get_mempolicy +270 o32 set_mempolicy sys_set_mempolicy 271 o32 mq_open sys_mq_open compat_sys_mq_open 272 o32 mq_unlink sys_mq_unlink 273 o32 mq_timedsend sys_mq_timedsend_time32 @@ -298,7 +298,7 @@ 284 o32 inotify_init sys_inotify_init 285 o32 inotify_add_watch sys_inotify_add_watch 286 o32 inotify_rm_watch sys_inotify_rm_watch -287 o32 migrate_pages sys_migrate_pages compat_sys_migrate_pages +287 o32 migrate_pages sys_migrate_pages 288 o32 openat sys_openat compat_sys_openat 289 o32 mkdirat sys_mkdirat 290 o32 mknodat sys_mknodat @@ -319,10 +319,10 @@ 305 o32 sync_file_range sys_sync_file_range sys32_sync_file_range 306 o32 tee sys_tee 307 o32 vmsplice sys_vmsplice -308 o32 move_pages sys_move_pages compat_sys_move_pages +308 o32 move_pages sys_move_pages 309 o32 set_robust_list sys_set_robust_list compat_sys_set_robust_list 310 o32 get_robust_list sys_get_robust_list compat_sys_get_robust_list -311 o32 kexec_load sys_kexec_load compat_sys_kexec_load +311 o32 kexec_load sys_kexec_load 312 o32 getcpu sys_getcpu 313 o32 epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait 314 o32 ioprio_set sys_ioprio_set diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl index f375ea528e59..fe5ca85a0598 100644 --- a/arch/parisc/kernel/syscalls/syscall.tbl +++ b/arch/parisc/kernel/syscalls/syscall.tbl @@ -292,9 +292,9 @@ 258 32 clock_nanosleep sys_clock_nanosleep_time32 258 64 clock_nanosleep sys_clock_nanosleep 259 common tgkill sys_tgkill -260 common mbind sys_mbind compat_sys_mbind -261 common get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy -262 common set_mempolicy sys_set_mempolicy compat_sys_set_mempolicy +260 common mbind sys_mbind +261 common get_mempolicy sys_get_mempolicy +262 common set_mempolicy sys_set_mempolicy # 263 was vserver 264 common add_key sys_add_key 265 common request_key sys_request_key @@ -331,12 +331,12 @@ 292 64 sync_file_range sys_sync_file_range 293 common tee sys_tee 294 common vmsplice sys_vmsplice -295 common move_pages sys_move_pages compat_sys_move_pages +295 common move_pages sys_move_pages 296 common getcpu sys_getcpu 297 common epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait 298 common statfs64 sys_statfs64 compat_sys_statfs64 299 common fstatfs64 sys_fstatfs64 compat_sys_fstatfs64 -300 common kexec_load sys_kexec_load compat_sys_kexec_load +300 common kexec_load sys_kexec_load 301 32 utimensat sys_utimensat_time32 301 64 utimensat sys_utimensat 302 common signalfd sys_signalfd compat_sys_signalfd diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl index 1275daec7fec..8e2cce038adc 100644 --- a/arch/powerpc/kernel/syscalls/syscall.tbl +++ b/arch/powerpc/kernel/syscalls/syscall.tbl @@ -338,10 +338,10 @@ 256 64 sys_debug_setcontext sys_ni_syscall 256 spu sys_debug_setcontext sys_ni_syscall # 257 reserved for vserver -258 nospu migrate_pages sys_migrate_pages compat_sys_migrate_pages -259 nospu mbind sys_mbind compat_sys_mbind -260 nospu get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy -261 nospu set_mempolicy sys_set_mempolicy compat_sys_set_mempolicy +258 nospu migrate_pages sys_migrate_pages +259 nospu mbind sys_mbind +260 nospu get_mempolicy sys_get_mempolicy +261 nospu set_mempolicy sys_set_mempolicy 262 nospu mq_open sys_mq_open compat_sys_mq_open 263 nospu mq_unlink sys_mq_unlink 264 32 mq_timedsend sys_mq_timedsend_time32 @@ -350,7 +350,7 @@ 265 64 mq_timedreceive sys_mq_timedreceive 266 nospu mq_notify sys_mq_notify compat_sys_mq_notify 267 nospu mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr -268 nospu kexec_load sys_kexec_load compat_sys_kexec_load +268 nospu kexec_load sys_kexec_load 269 nospu add_key sys_add_key 270 nospu request_key sys_request_key 271 nospu keyctl sys_keyctl compat_sys_keyctl @@ -389,7 +389,7 @@ 298 common faccessat sys_faccessat 299 common get_robust_list sys_get_robust_list compat_sys_get_robust_list 300 common set_robust_list sys_set_robust_list compat_sys_set_robust_list -301 common move_pages sys_move_pages compat_sys_move_pages +301 common move_pages sys_move_pages 302 common getcpu sys_getcpu 303 nospu epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait 304 32 utimensat sys_utimensat_time32 diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl index 28c168000483..2147a1e59165 100644 --- a/arch/s390/kernel/syscalls/syscall.tbl +++ b/arch/s390/kernel/syscalls/syscall.tbl @@ -274,16 +274,16 @@ 265 common statfs64 sys_statfs64 compat_sys_statfs64 266 common fstatfs64 sys_fstatfs64 compat_sys_fstatfs64 267 common remap_file_pages sys_remap_file_pages sys_remap_file_pages -268 common mbind sys_mbind compat_sys_mbind -269 common get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy -270 common set_mempolicy sys_set_mempolicy compat_sys_set_mempolicy +268 common mbind sys_mbind sys_mbind +269 common get_mempolicy sys_get_mempolicy sys_get_mempolicy +270 common set_mempolicy sys_set_mempolicy sys_set_mempolicy 271 common mq_open sys_mq_open compat_sys_mq_open 272 common mq_unlink sys_mq_unlink sys_mq_unlink 273 common mq_timedsend sys_mq_timedsend sys_mq_timedsend_time32 274 common mq_timedreceive sys_mq_timedreceive sys_mq_timedreceive_time32 275 common mq_notify sys_mq_notify compat_sys_mq_notify 276 common mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr -277 common kexec_load sys_kexec_load compat_sys_kexec_load +277 common kexec_load sys_kexec_load sys_kexec_load 278 common add_key sys_add_key sys_add_key 279 common request_key sys_request_key sys_request_key 280 common keyctl sys_keyctl compat_sys_keyctl @@ -293,7 +293,7 @@ 284 common inotify_init sys_inotify_init sys_inotify_init 285 common inotify_add_watch sys_inotify_add_watch sys_inotify_add_watch 286 common inotify_rm_watch sys_inotify_rm_watch sys_inotify_rm_watch -287 common migrate_pages sys_migrate_pages compat_sys_migrate_pages +287 common migrate_pages sys_migrate_pages sys_migrate_pages 288 common openat sys_openat compat_sys_openat 289 common mkdirat sys_mkdirat sys_mkdirat 290 common mknodat sys_mknodat sys_mknodat @@ -317,7 +317,7 @@ 307 common sync_file_range sys_sync_file_range compat_sys_s390_sync_file_range 308 common tee sys_tee sys_tee 309 common vmsplice sys_vmsplice sys_vmsplice -310 common move_pages sys_move_pages compat_sys_move_pages +310 common move_pages sys_move_pages sys_move_pages 311 common getcpu sys_getcpu sys_getcpu 312 common epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait 313 common utimes sys_utimes sys_utimes_time32 diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl index 78160260991b..522555e5f4a3 100644 --- a/arch/sparc/kernel/syscalls/syscall.tbl +++ b/arch/sparc/kernel/syscalls/syscall.tbl @@ -365,12 +365,12 @@ 299 common unshare sys_unshare 300 common set_robust_list sys_set_robust_list compat_sys_set_robust_list 301 common get_robust_list sys_get_robust_list compat_sys_get_robust_list -302 common migrate_pages sys_migrate_pages compat_sys_migrate_pages -303 common mbind sys_mbind compat_sys_mbind -304 common get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy -305 common set_mempolicy sys_set_mempolicy compat_sys_set_mempolicy -306 common kexec_load sys_kexec_load compat_sys_kexec_load -307 common move_pages sys_move_pages compat_sys_move_pages +302 common migrate_pages sys_migrate_pages +303 common mbind sys_mbind +304 common get_mempolicy sys_get_mempolicy +305 common set_mempolicy sys_set_mempolicy +306 common kexec_load sys_kexec_load +307 common move_pages sys_move_pages 308 common getcpu sys_getcpu 309 common epoll_pwait sys_epoll_pwait compat_sys_epoll_pwait 310 32 utimensat sys_utimensat_time32 diff --git a/arch/x86/entry/syscall_x32.c b/arch/x86/entry/syscall_x32.c index f2fe0a33bcfd..921473281497 100644 --- a/arch/x86/entry/syscall_x32.c +++ b/arch/x86/entry/syscall_x32.c @@ -19,6 +19,8 @@ #define __x32_sys_vmsplice __x64_sys_vmsplice #define __x32_sys_process_vm_readv __x64_sys_process_vm_readv #define __x32_sys_process_vm_writev __x64_sys_process_vm_writev +#define __x32_sys_kexec_load __x64_sys_kexec_load +#define __x32_sys_move_pages __x64_sys_move_pages #define __SYSCALL_64(nr, sym) diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl index 0d0667a9fbd7..e6a8bec0d6a5 100644 --- a/arch/x86/entry/syscalls/syscall_32.tbl +++ b/arch/x86/entry/syscalls/syscall_32.tbl @@ -286,7 +286,7 @@ 272 i386 fadvise64_64 sys_ia32_fadvise64_64 273 i386 vserver 274 i386 mbind sys_mbind -275 i386 get_mempolicy sys_get_mempolicy compat_sys_get_mempolicy +275 i386 get_mempolicy sys_get_mempolicy 276 i386 set_mempolicy sys_set_mempolicy 277 i386 mq_open sys_mq_open compat_sys_mq_open 278 i386 mq_unlink sys_mq_unlink @@ -294,7 +294,7 @@ 280 i386 mq_timedreceive sys_mq_timedreceive_time32 281 i386 mq_notify sys_mq_notify compat_sys_mq_notify 282 i386 mq_getsetattr sys_mq_getsetattr compat_sys_mq_getsetattr -283 i386 kexec_load sys_kexec_load compat_sys_kexec_load +283 i386 kexec_load sys_kexec_load 284 i386 waitid sys_waitid compat_sys_waitid # 285 sys_setaltroot 286 i386 add_key sys_add_key @@ -328,7 +328,7 @@ 314 i386 sync_file_range sys_ia32_sync_file_range 315 i386 tee sys_tee 316 i386 vmsplice sys_vmsplice -317 i386 move_pages sys_move_pages compat_sys_move_pages +317 i386 move_pages sys_move_pages 318 i386 getcpu sys_getcpu 319 i386 epoll_pwait sys_epoll_pwait 320 i386 utimensat sys_utimensat_time32 diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl index 1f47e24fb65c..930fe4821fe8 100644 --- a/arch/x86/entry/syscalls/syscall_64.tbl +++ b/arch/x86/entry/syscalls/syscall_64.tbl @@ -385,12 +385,12 @@ 525 x32 sigaltstack compat_sys_sigaltstack 526 x32 timer_create compat_sys_timer_create 527 x32 mq_notify compat_sys_mq_notify -528 x32 kexec_load compat_sys_kexec_load +528 x32 kexec_load sys_kexec_load 529 x32 waitid compat_sys_waitid 530 x32 set_robust_list compat_sys_set_robust_list 531 x32 get_robust_list compat_sys_get_robust_list 532 x32 vmsplice sys_vmsplice -533 x32 move_pages compat_sys_move_pages +533 x32 move_pages sys_move_pages 534 x32 preadv compat_sys_preadv64 535 x32 pwritev compat_sys_pwritev64 536 x32 rt_tgsigqueueinfo compat_sys_rt_tgsigqueueinfo diff --git a/include/linux/compat.h b/include/linux/compat.h index cd306889b35c..47496c5eb5eb 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -623,12 +623,6 @@ asmlinkage long compat_sys_setitimer(int which, struct old_itimerval32 __user *in, struct old_itimerval32 __user *out); -/* kernel/kexec.c */ -asmlinkage long compat_sys_kexec_load(compat_ulong_t entry, - compat_ulong_t nr_segments, - struct compat_kexec_segment __user *, - compat_ulong_t flags); - /* kernel/posix-timers.c */ asmlinkage long compat_sys_timer_create(clockid_t which_clock, struct compat_sigevent __user *timer_event_spec, @@ -735,26 +729,6 @@ asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr /* mm/fadvise.c: No generic prototype for fadvise64_64 */ /* mm/, CONFIG_MMU only */ -asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, - compat_ulong_t mode, - compat_ulong_t __user *nmask, - compat_ulong_t maxnode, compat_ulong_t flags); -asmlinkage long compat_sys_get_mempolicy(int __user *policy, - compat_ulong_t __user *nmask, - compat_ulong_t maxnode, - compat_ulong_t addr, - compat_ulong_t flags); -asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, - compat_ulong_t maxnode); -asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, - compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes, - const compat_ulong_t __user *new_nodes); -asmlinkage long compat_sys_move_pages(pid_t pid, compat_ulong_t nr_pages, - __u32 __user *pages, - const int __user *nodes, - int __user *status, - int flags); - asmlinkage long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, struct compat_siginfo __user *uinfo); diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index 2056318988f7..2e9662aa1194 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -342,7 +342,7 @@ __SC_COMP(__NR_setitimer, sys_setitimer, compat_sys_setitimer) /* kernel/kexec.c */ #define __NR_kexec_load 104 -__SC_COMP(__NR_kexec_load, sys_kexec_load, compat_sys_kexec_load) +__SYSCALL(__NR_kexec_load, sys_kexec_load) /* kernel/module.c */ #define __NR_init_module 105 @@ -673,15 +673,15 @@ __SYSCALL(__NR_madvise, sys_madvise) #define __NR_remap_file_pages 234 __SYSCALL(__NR_remap_file_pages, sys_remap_file_pages) #define __NR_mbind 235 -__SC_COMP(__NR_mbind, sys_mbind, compat_sys_mbind) +__SYSCALL(__NR_mbind, sys_mbind) #define __NR_get_mempolicy 236 -__SC_COMP(__NR_get_mempolicy, sys_get_mempolicy, compat_sys_get_mempolicy) +__SYSCALL(__NR_get_mempolicy, sys_get_mempolicy) #define __NR_set_mempolicy 237 -__SC_COMP(__NR_set_mempolicy, sys_set_mempolicy, compat_sys_set_mempolicy) +__SYSCALL(__NR_set_mempolicy, sys_set_mempolicy) #define __NR_migrate_pages 238 -__SC_COMP(__NR_migrate_pages, sys_migrate_pages, compat_sys_migrate_pages) +__SYSCALL(__NR_migrate_pages, sys_migrate_pages) #define __NR_move_pages 239 -__SC_COMP(__NR_move_pages, sys_move_pages, compat_sys_move_pages) +__SYSCALL(__NR_move_pages, sys_move_pages) #endif #define __NR_rt_tgsigqueueinfo 240 diff --git a/kernel/kexec.c b/kernel/kexec.c index ec04791eea3e..07a5d089ead0 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -258,9 +258,8 @@ static inline int kexec_load_check(unsigned long nr_segments, return 0; } -static int kernel_kexec_load(unsigned long entry, unsigned long nr_segments, - struct kexec_segment __user * segments, - unsigned long flags) +SYSCALL_DEFINE4(kexec_load, unsigned long, entry, unsigned long, nr_segments, + struct kexec_segment __user *, segments, unsigned long, flags) { int result; @@ -290,21 +289,3 @@ static int kernel_kexec_load(unsigned long entry, unsigned long nr_segments, return result; } - -SYSCALL_DEFINE4(kexec_load, unsigned long, entry, unsigned long, nr_segments, - struct kexec_segment __user *, segments, unsigned long, flags) -{ - return kernel_kexec_load(entry, nr_segments, segments, flags); -} - -#ifdef CONFIG_COMPAT -COMPAT_SYSCALL_DEFINE4(kexec_load, compat_ulong_t, entry, - compat_ulong_t, nr_segments, - struct compat_kexec_segment __user *, segments, - compat_ulong_t, flags) -{ - return kernel_kexec_load(entry, nr_segments, - (struct kexec_segment __user *)segments, - flags); -} -#endif diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c index f27ac94d5fa7..4d8c314b061f 100644 --- a/kernel/sys_ni.c +++ b/kernel/sys_ni.c @@ -283,15 +283,10 @@ COND_SYSCALL(madvise); COND_SYSCALL(process_madvise); COND_SYSCALL(remap_file_pages); COND_SYSCALL(mbind); -COND_SYSCALL_COMPAT(mbind); COND_SYSCALL(get_mempolicy); -COND_SYSCALL_COMPAT(get_mempolicy); COND_SYSCALL(set_mempolicy); -COND_SYSCALL_COMPAT(set_mempolicy); COND_SYSCALL(migrate_pages); -COND_SYSCALL_COMPAT(migrate_pages); COND_SYSCALL(move_pages); -COND_SYSCALL_COMPAT(move_pages); COND_SYSCALL(perf_event_open); COND_SYSCALL(accept4); diff --git a/mm/mempolicy.c b/mm/mempolicy.c index fb5e533667f6..ffe789c24773 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1643,43 +1643,6 @@ SYSCALL_DEFINE5(get_mempolicy, int __user *, policy, return kernel_get_mempolicy(policy, nmask, maxnode, addr, flags); } -#ifdef CONFIG_COMPAT - -COMPAT_SYSCALL_DEFINE5(get_mempolicy, int __user *, policy, - compat_ulong_t __user *, nmask, - compat_ulong_t, maxnode, - compat_ulong_t, addr, compat_ulong_t, flags) -{ - return kernel_get_mempolicy(policy, (unsigned long __user *)nmask, - maxnode, addr, flags); -} - -COMPAT_SYSCALL_DEFINE3(set_mempolicy, int, mode, compat_ulong_t __user *, nmask, - compat_ulong_t, maxnode) -{ - return kernel_set_mempolicy(mode, (unsigned long __user *)nmask, maxnode); -} - -COMPAT_SYSCALL_DEFINE6(mbind, compat_ulong_t, start, compat_ulong_t, len, - compat_ulong_t, mode, compat_ulong_t __user *, nmask, - compat_ulong_t, maxnode, compat_ulong_t, flags) -{ - return kernel_mbind(start, len, mode, (unsigned long __user *)nmask, - maxnode, flags); -} - -COMPAT_SYSCALL_DEFINE4(migrate_pages, compat_pid_t, pid, - compat_ulong_t, maxnode, - const compat_ulong_t __user *, old_nodes, - const compat_ulong_t __user *, new_nodes) -{ - return kernel_migrate_pages(pid, maxnode, - (const unsigned long __user *)old_nodes, - (const unsigned long __user *)new_nodes); -} - -#endif /* CONFIG_COMPAT */ - bool vma_migratable(struct vm_area_struct *vma) { if (vma->vm_flags & (VM_IO | VM_PFNMAP)) diff --git a/mm/migrate.c b/mm/migrate.c index 016e39809ca5..6ba240012b08 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1977,19 +1977,6 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, unsigned long, nr_pages, return kernel_move_pages(pid, nr_pages, pages, nodes, status, flags); } -#ifdef CONFIG_COMPAT -COMPAT_SYSCALL_DEFINE6(move_pages, pid_t, pid, compat_ulong_t, nr_pages, - compat_uptr_t __user *, pages, - const int __user *, nodes, - int __user *, status, - int, flags) -{ - return kernel_move_pages(pid, nr_pages, - (const void __user *__user *)pages, - nodes, status, flags); -} -#endif /* CONFIG_COMPAT */ - #ifdef CONFIG_NUMA_BALANCING /* * Returns true if this is a safe migration target node for misplaced NUMA

[v2,4/4] compat: remove some compat entry points

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