| Message ID | 20190118161835.2259170-30-arnd@arndb.de (mailing list archive) |
|---|---|
| State | Awaiting Upstream |
| Headers | show |
| Series | y2038: add time64 syscalls | expand |
On Fri, Jan 18, 2019 at 8:25 AM Arnd Bergmann <arnd@arndb.de> wrote: > > This adds 21 new system calls on each ABI that has 32-bit time_t > today. All of these have the exact same semantics as their existing > counterparts, and the new ones all have macro names that end in 'time64' > for clarification. > > This gets us to the point of being able to safely use a C library > that has 64-bit time_t in user space. There are still a couple of > loose ends to tie up in various areas of the code, but this is the > big one, and should be entirely uncontroversial at this point. > > In particular, there are four system calls (getitimer, setitimer, > waitid, and getrusage) that don't have a 64-bit counterpart yet, > but these can all be safely implemented in the C library by wrapping > around the existing system calls because the 32-bit time_t they > pass only counts elapsed time, not time since the epoch. They > will be dealt with later. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > --- > The one point that still needs to be agreed on is the actual > number assignment. Following the earlier patch that added > the sysv IPC calls with common numbers where possible, I also > tried the same here, using consistent numbers on all 32-bit > architectures. > > There are a couple of minor issues with this: > > - On asm-generic, we now leave the numbers from 295 to 402 > unassigned, which wastes a small amount of kernel .data > segment. Originally I had asm-generic start at 300 and > everyone else start at 400 here, which was also not > perfect, and we have gone beyond 400 already, so I ended > up just using the same numbers as the rest here. > > - Once we get to 512, we clash with the x32 numbers (unless > we remove x32 support first), and probably have to skip > a few more. I also considered using the 512..547 space > for 32-bit-only calls (which never clash with x32), but > that also seems to add a bit of complexity. I have a patch that I'll send soon to make x32 use its own table. As far as I'm concerned, 547 is *it*. 548 is just a normal number and is not special. But let's please not reuse 512..547 for other purposes on x86 variants -- that way lies even more confusion, IMO. --Andy
On Fri, Jan 18, 2019 at 7:50 PM Andy Lutomirski <luto@kernel.org> wrote: > On Fri, Jan 18, 2019 at 8:25 AM Arnd Bergmann <arnd@arndb.de> wrote: > > - Once we get to 512, we clash with the x32 numbers (unless > > we remove x32 support first), and probably have to skip > > a few more. I also considered using the 512..547 space > > for 32-bit-only calls (which never clash with x32), but > > that also seems to add a bit of complexity. > > I have a patch that I'll send soon to make x32 use its own table. As > far as I'm concerned, 547 is *it*. 548 is just a normal number and is > not special. But let's please not reuse 512..547 for other purposes > on x86 variants -- that way lies even more confusion, IMO. Fair enough, the space for those numbers is cheap enough here. I take it you mean we also should not reuse that number space if we were to decide to remove x32 soon, but you are not worried about clashing with arch/alpha when everything else uses consistent numbers? Arnd
On Fri, Jan 18, 2019 at 11:33 AM Arnd Bergmann <arnd@arndb.de> wrote: > > On Fri, Jan 18, 2019 at 7:50 PM Andy Lutomirski <luto@kernel.org> wrote: > > On Fri, Jan 18, 2019 at 8:25 AM Arnd Bergmann <arnd@arndb.de> wrote: > > > - Once we get to 512, we clash with the x32 numbers (unless > > > we remove x32 support first), and probably have to skip > > > a few more. I also considered using the 512..547 space > > > for 32-bit-only calls (which never clash with x32), but > > > that also seems to add a bit of complexity. > > > > I have a patch that I'll send soon to make x32 use its own table. As > > far as I'm concerned, 547 is *it*. 548 is just a normal number and is > > not special. But let's please not reuse 512..547 for other purposes > > on x86 variants -- that way lies even more confusion, IMO. > > Fair enough, the space for those numbers is cheap enough here. > I take it you mean we also should not reuse that number space if > we were to decide to remove x32 soon, but you are not worried > about clashing with arch/alpha when everything else uses consistent > numbers? > I think we have two issues if we reuse those numbers for new syscalls. First, I'd really like to see new syscalls be numbered consistently everywhere, or at least on all x86 variants, and we can't on x32 because they mean something else. Perhaps more importantly, due to what is arguably a rather severe bug, issuing a native x86_64 syscall (x32 bit clear) with nr in the range 512..547 does *not* return -ENOSYS on a kernel with x32 enabled. Instead it does something that is somewhat arbitrary. With my patch applied, it will return -ENOSYS, but old kernels will still exist, and this will break syscall probing. Can we perhaps just start the consistent numbers above 547 or maybe block out 512..547 in the new regime? --Andy
On Fri, Jan 18, 2019 at 8:53 PM Andy Lutomirski <luto@kernel.org> wrote: > I think we have two issues if we reuse those numbers for new syscalls. > First, I'd really like to see new syscalls be numbered consistently > everywhere, or at least on all x86 variants, and we can't on x32 > because they mean something else. Perhaps more importantly, due to > what is arguably a rather severe bug, issuing a native x86_64 syscall > (x32 bit clear) with nr in the range 512..547 does *not* return > -ENOSYS on a kernel with x32 enabled. Instead it does something that > is somewhat arbitrary. With my patch applied, it will return -ENOSYS, > but old kernels will still exist, and this will break syscall probing. > > Can we perhaps just start the consistent numbers above 547 or maybe > block out 512..547 in the new regime? I'm definitely fine with not reusing them ever, and jumping from 511 to 548 when we get there on all architectures, if you think that helps. While we could also jump to 548 *now*, I think that would be a bit wasteful. Syscall numbers are fairly cheap, but not entirely free, especially when you consider architectures like mips that have an upper bound of 1000 syscalls before they have to get inventive. Arnd
On Fri, Jan 18, 2019 at 11:53:25AM -0800, Andy Lutomirski wrote: > On Fri, Jan 18, 2019 at 11:33 AM Arnd Bergmann <arnd@arndb.de> wrote: > > > > On Fri, Jan 18, 2019 at 7:50 PM Andy Lutomirski <luto@kernel.org> wrote: > > > On Fri, Jan 18, 2019 at 8:25 AM Arnd Bergmann <arnd@arndb.de> wrote: > > > > - Once we get to 512, we clash with the x32 numbers (unless > > > > we remove x32 support first), and probably have to skip > > > > a few more. I also considered using the 512..547 space > > > > for 32-bit-only calls (which never clash with x32), but > > > > that also seems to add a bit of complexity. > > > > > > I have a patch that I'll send soon to make x32 use its own table. As > > > far as I'm concerned, 547 is *it*. 548 is just a normal number and is > > > not special. But let's please not reuse 512..547 for other purposes > > > on x86 variants -- that way lies even more confusion, IMO. > > > > Fair enough, the space for those numbers is cheap enough here. > > I take it you mean we also should not reuse that number space if > > we were to decide to remove x32 soon, but you are not worried > > about clashing with arch/alpha when everything else uses consistent > > numbers? > > > > I think we have two issues if we reuse those numbers for new syscalls. > First, I'd really like to see new syscalls be numbered consistently > everywhere, or at least on all x86 variants, and we can't on x32 > because they mean something else. Perhaps more importantly, due to > what is arguably a rather severe bug, issuing a native x86_64 syscall > (x32 bit clear) with nr in the range 512..547 does *not* return > -ENOSYS on a kernel with x32 enabled. Instead it does something that > is somewhat arbitrary. With my patch applied, it will return -ENOSYS, > but old kernels will still exist, and this will break syscall probing. > > Can we perhaps just start the consistent numbers above 547 or maybe > block out 512..547 in the new regime? I don't think you gain much with that kind of scheme - it won't take very long before an architecture misses having a syscall added, and then someone else adds their own. Been there with ARM - I was keeping the syscall table in the same order as x86 for new syscalls, but now that others have been adding syscalls to the table since I converted ARM to the tabular form, that's now gone out the window. So, I think it's completely pointless to do what you're suggesting. We'll just end up with a big hole in the middle of the syscall table and then revert back to random numbering of syscalls thereafter again.
Hi Russell, On Sat, Jan 19, 2019 at 3:29 PM Russell King - ARM Linux admin <linux@armlinux.org.uk> wrote: > On Fri, Jan 18, 2019 at 11:53:25AM -0800, Andy Lutomirski wrote: > > On Fri, Jan 18, 2019 at 11:33 AM Arnd Bergmann <arnd@arndb.de> wrote: > > > On Fri, Jan 18, 2019 at 7:50 PM Andy Lutomirski <luto@kernel.org> wrote: > > > > On Fri, Jan 18, 2019 at 8:25 AM Arnd Bergmann <arnd@arndb.de> wrote: > > > > > - Once we get to 512, we clash with the x32 numbers (unless > > > > > we remove x32 support first), and probably have to skip > > > > > a few more. I also considered using the 512..547 space > > > > > for 32-bit-only calls (which never clash with x32), but > > > > > that also seems to add a bit of complexity. > > > > > > > > I have a patch that I'll send soon to make x32 use its own table. As > > > > far as I'm concerned, 547 is *it*. 548 is just a normal number and is > > > > not special. But let's please not reuse 512..547 for other purposes > > > > on x86 variants -- that way lies even more confusion, IMO. > > > > > > Fair enough, the space for those numbers is cheap enough here. > > > I take it you mean we also should not reuse that number space if > > > we were to decide to remove x32 soon, but you are not worried > > > about clashing with arch/alpha when everything else uses consistent > > > numbers? > > > > > > > I think we have two issues if we reuse those numbers for new syscalls. > > First, I'd really like to see new syscalls be numbered consistently > > everywhere, or at least on all x86 variants, and we can't on x32 > > because they mean something else. Perhaps more importantly, due to > > what is arguably a rather severe bug, issuing a native x86_64 syscall > > (x32 bit clear) with nr in the range 512..547 does *not* return > > -ENOSYS on a kernel with x32 enabled. Instead it does something that > > is somewhat arbitrary. With my patch applied, it will return -ENOSYS, > > but old kernels will still exist, and this will break syscall probing. > > > > Can we perhaps just start the consistent numbers above 547 or maybe > > block out 512..547 in the new regime? > > I don't think you gain much with that kind of scheme - it won't take > very long before an architecture misses having a syscall added, and > then someone else adds their own. Been there with ARM - I was keeping > the syscall table in the same order as x86 for new syscalls, but now Same for m68k, and probably other architectures. > that others have been adding syscalls to the table since I converted > ARM to the tabular form, that's now gone out the window. > > So, I think it's completely pointless to do what you're suggesting. > We'll just end up with a big hole in the middle of the syscall table > and then revert back to random numbering of syscalls thereafter again. I believe the plan is to add future syscalls for all architectures in a single commit, to keep everything in sync. Regardless, I'm wondering what to do with the holes marked "room for arch specific calls". When is a syscall really arch-specific, and can it be added there, and when does it turn out (later) that it isn't, breaking the synchronization again? The pkey syscalls may be a bad example, as AFAIU they can be implemented on some architectures, but not on some others. Still, I had skipped them when adding new syscalls to m68k. Perhaps we should get rid of the notion of "arch-specific syscalls", and reserve a slot everywhere anyway? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
On Fri, Jan 18, 2019 at 5:25 PM Arnd Bergmann <arnd@arndb.de> wrote: > This adds 21 new system calls on each ABI that has 32-bit time_t > today. All of these have the exact same semantics as their existing > counterparts, and the new ones all have macro names that end in 'time64' > for clarification. > > This gets us to the point of being able to safely use a C library > that has 64-bit time_t in user space. There are still a couple of > loose ends to tie up in various areas of the code, but this is the > big one, and should be entirely uncontroversial at this point. > > In particular, there are four system calls (getitimer, setitimer, > waitid, and getrusage) that don't have a 64-bit counterpart yet, > but these can all be safely implemented in the C library by wrapping > around the existing system calls because the 32-bit time_t they > pass only counts elapsed time, not time since the epoch. They > will be dealt with later. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > arch/m68k/kernel/syscalls/syscall.tbl | 20 +++++++++ For m68k: Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
On Fri, Jan 18, 2019 at 05:18:35PM +0100, Arnd Bergmann wrote: > This adds 21 new system calls on each ABI that has 32-bit time_t > today. All of these have the exact same semantics as their existing > counterparts, and the new ones all have macro names that end in 'time64' > for clarification. > > This gets us to the point of being able to safely use a C library > that has 64-bit time_t in user space. There are still a couple of > loose ends to tie up in various areas of the code, but this is the > big one, and should be entirely uncontroversial at this point. > > In particular, there are four system calls (getitimer, setitimer, > waitid, and getrusage) that don't have a 64-bit counterpart yet, > but these can all be safely implemented in the C library by wrapping > around the existing system calls because the 32-bit time_t they > pass only counts elapsed time, not time since the epoch. They > will be dealt with later. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > --- > arch/s390/kernel/syscalls/syscall.tbl | 20 +++++++++ For the s390 bits: Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
On Fri, Jan 18, 2019 at 5:25 PM Arnd Bergmann <arnd@arndb.de> wrote: > > This adds 21 new system calls on each ABI that has 32-bit time_t > today. All of these have the exact same semantics as their existing > counterparts, and the new ones all have macro names that end in 'time64' > for clarification. > > This gets us to the point of being able to safely use a C library > that has 64-bit time_t in user space. There are still a couple of > loose ends to tie up in various areas of the code, but this is the > big one, and should be entirely uncontroversial at this point. I've successfully tested this with musl and LTP now, using an i386 kernel. The musl port I used is at https://git.linaro.org/people/arnd.bergmann/musl-y2038.git/ This is just an updated version of what I used for testing last year, using the current syscall assignment, and going back to the time32 versions of getitimer/setitimer and wait4/waitid/getusage. It's certainly not intended for merging like this, but a proper musl port is under discussion now, and this should be sufficient if anyone else wants to try out the new syscall ABI before we merge it. The LTP I have is heavily hacked, and has a number of failures resulting from differences between musl and glibc, or from the way we convert between the kernel types and the user space types. The testing found one minor bug in all the kernel syscall tables: > +418 common mq_timedsend_time64 sys_mq_timedsend > +419 common mq_timedreceiv_time64 sys_mq_timedreceive While this would have fit in with umount(), creat() and mknod(), it was unintentional, and I've changed it back to mq_timedreceive_time64 (with an added 'e'). Arnd
On Mon, Jan 21, 2019 at 9:19 AM Geert Uytterhoeven <geert@linux-m68k.org> wrote: > On Sat, Jan 19, 2019 at 3:29 PM Russell King - ARM Linux admin > <linux@armlinux.org.uk> wrote: > > On Fri, Jan 18, 2019 at 11:53:25AM -0800, Andy Lutomirski wrote: > > > On Fri, Jan 18, 2019 at 11:33 AM Arnd Bergmann <arnd@arndb.de> wrote: > > > > On Fri, Jan 18, 2019 at 7:50 PM Andy Lutomirski <luto@kernel.org> wrote: > > > > > > Can we perhaps just start the consistent numbers above 547 or maybe > > > block out 512..547 in the new regime? > > > > I don't think you gain much with that kind of scheme - it won't take > > very long before an architecture misses having a syscall added, and > > then someone else adds their own. Been there with ARM - I was keeping > > the syscall table in the same order as x86 for new syscalls, but now > > Same for m68k, and probably other architectures. > > > that others have been adding syscalls to the table since I converted > > ARM to the tabular form, that's now gone out the window. > > > > So, I think it's completely pointless to do what you're suggesting. > > We'll just end up with a big hole in the middle of the syscall table > > and then revert back to random numbering of syscalls thereafter again. > > I believe the plan is to add future syscalls for all architectures in a > single commit, to keep everything in sync. Yes, that is the idea. This was not realistic before, since each one of the old architectures had its own way of describing the system call tables, and many needed a different set of quirks. Since (almost) everything is now converted to the syscall.tbl format, we have removed all obsolete architectures, and a lot of the quirks (x32, spu, s390-31) won't matter as much in the future, I think it is now possible to do it. We could even extend scripts/checksyscalls.sh to warn if a new syscall above 423 is not added to all 16 tables at the same time. > Regardless, I'm wondering what to do with the holes marked "room for > arch specific calls". > When is a syscall really arch-specific, and can it be added there, and > when does it turn out (later) that it isn't, breaking the > synchronization again? We've had a bit of that already, with cacheflush(), which exists on a couple of architectures, including some that use the first 'arch specific' slot (244) of the asm-generic table. I think this will be rare enough that we can figure out a solution when we get there. > The pkey syscalls may be a bad example, as AFAIU they can be implemented > on some architectures, but not on some others. Still, I had skipped them > when adding new syscalls to m68k. > > Perhaps we should get rid of the notion of "arch-specific syscalls", and > reserve a slot everywhere anyway? I don't mind calling the hole something else if that helps. Out of principle I would already assume that anything we add for x86 or the generic table should be added everywhere, but we can make it broader than that. Arnd
On Mon, Jan 21, 2019 at 6:08 PM Arnd Bergmann <arnd@arndb.de> wrote: > On Mon, Jan 21, 2019 at 9:19 AM Geert Uytterhoeven <geert@linux-m68k.org> wrote: > > Regardless, I'm wondering what to do with the holes marked "room for > > arch specific calls". > > When is a syscall really arch-specific, and can it be added there, and > > when does it turn out (later) that it isn't, breaking the > > synchronization again? > > We've had a bit of that already, with cacheflush(), which exists on > a couple of architectures, including some that use the first > 'arch specific' slot (244) of the asm-generic table. I think this > will be rare enough that we can figure out a solution when we > get there. > > > The pkey syscalls may be a bad example, as AFAIU they can be implemented > > on some architectures, but not on some others. Still, I had skipped them > > when adding new syscalls to m68k. > > > > Perhaps we should get rid of the notion of "arch-specific syscalls", and > > reserve a slot everywhere anyway? > > I don't mind calling the hole something else if that helps. Out of > principle I would already assume that anything we add for x86 > or the generic table should be added everywhere, but we can > make it broader than that. Applying this fixup below, ARnd diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl index d9c2d2eea044..955ab6a3b61f 100644 --- a/arch/x86/entry/syscalls/syscall_32.tbl +++ b/arch/x86/entry/syscalls/syscall_32.tbl @@ -398,7 +398,7 @@ 384 i386 arch_prctl sys_arch_prctl __ia32_compat_sys_arch_prctl 385 i386 io_pgetevents sys_io_pgetevents_time32 __ia32_compat_sys_io_pgetevents 386 i386 rseq sys_rseq __ia32_sys_rseq -# room for arch specific syscalls +# don't use numbers 387 through 392, add new calls at the end 393 i386 semget sys_semget __ia32_sys_semget 394 i386 semctl sys_semctl __ia32_compat_sys_semctl 395 i386 shmget sys_shmget __ia32_sys_shmget diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl index 43a622aec07e..2ae92fddb6d5 100644 --- a/arch/x86/entry/syscalls/syscall_64.tbl +++ b/arch/x86/entry/syscalls/syscall_64.tbl @@ -343,6 +343,8 @@ 332 common statx __x64_sys_statx 333 common io_pgetevents __x64_sys_io_pgetevents 334 common rseq __x64_sys_rseq +# don't use numbers 387 through 423, add new calls after the last +# 'common' entry # # x32-specific system call numbers start at 512 to avoid cache impact diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index 53831e4a4c86..acf9a07ab2ff 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -740,7 +740,7 @@ __SC_COMP_3264(__NR_io_pgetevents, sys_io_pgetevents_time32, sys_io_pgetevents, __SYSCALL(__NR_rseq, sys_rseq) #define __NR_kexec_file_load 294 __SYSCALL(__NR_kexec_file_load, sys_kexec_file_load) -/* 295 through 402 are unassigned to sync up with generic numbers */ +/* 295 through 402 are unassigned to sync up with generic numbers, don't use */ #if __BITS_PER_LONG == 32 #define __NR_clock_gettime64 403 __SYSCALL(__NR_clock_gettime64, sys_clock_gettime)
On Fri, Jan 18, 2019 at 05:18:35PM +0100, Arnd Bergmann wrote: > This adds 21 new system calls on each ABI that has 32-bit time_t > today. All of these have the exact same semantics as their existing > counterparts, and the new ones all have macro names that end in 'time64' > for clarification. > > This gets us to the point of being able to safely use a C library > that has 64-bit time_t in user space. There are still a couple of > loose ends to tie up in various areas of the code, but this is the > big one, and should be entirely uncontroversial at this point. > > In particular, there are four system calls (getitimer, setitimer, > waitid, and getrusage) that don't have a 64-bit counterpart yet, > but these can all be safely implemented in the C library by wrapping > around the existing system calls because the 32-bit time_t they > pass only counts elapsed time, not time since the epoch. They > will be dealt with later. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Catalin Marinas <catalin.marinas@arm.com> (as long as compat follows the arm32 syscall numbers)
diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl index 337b8108771a..936a33fae3c9 100644 --- a/arch/alpha/kernel/syscalls/syscall.tbl +++ b/arch/alpha/kernel/syscalls/syscall.tbl @@ -461,3 +461,5 @@ 530 common getegid sys_getegid 531 common geteuid sys_geteuid 532 common getppid sys_getppid +# all other architectures have common numbers for new syscall, alpha +# is the exception. diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl index a96d9b5ee04e..286afdc43283 100644 --- a/arch/arm/tools/syscall.tbl +++ b/arch/arm/tools/syscall.tbl @@ -416,3 +416,24 @@ 399 common io_pgetevents sys_io_pgetevents_time32 400 common migrate_pages sys_migrate_pages 401 common kexec_file_load sys_kexec_file_load +# 402 is unused +403 common clock_gettime64 sys_clock_gettime +404 common clock_settime64 sys_clock_settime +405 common clock_adjtime64 sys_clock_adjtime +406 common clock_getres_time64 sys_clock_getres +407 common clock_nanosleep_time64 sys_clock_nanosleep +408 common timer_gettime64 sys_timer_gettime +409 common timer_settime64 sys_timer_settime +410 common timerfd_gettime64 sys_timerfd_gettime +411 common timerfd_settime64 sys_timerfd_settime +412 common utimensat_time64 sys_utimensat +413 common pselect6_time64 sys_pselect6 +414 common ppoll_time64 sys_ppoll +416 common io_pgetevents_time64 sys_io_pgetevents +417 common recvmmsg_time64 sys_recvmmsg +418 common mq_timedsend_time64 sys_mq_timedsend +419 common mq_timedreceiv_time64 sys_mq_timedreceive +420 common semtimedop_time64 sys_semtimedop +421 common rt_sigtimedwait_time64 sys_rt_sigtimedwait +422 common futex_time64 sys_futex +423 common sched_rr_get_interval_time64 sys_sched_rr_get_interval diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h index 2c30e6f145ff..d1dd93436e1e 100644 --- a/arch/arm64/include/asm/unistd.h +++ b/arch/arm64/include/asm/unistd.h @@ -44,7 +44,7 @@ #define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE + 5) #define __ARM_NR_COMPAT_END (__ARM_NR_COMPAT_BASE + 0x800) -#define __NR_compat_syscalls 402 +#define __NR_compat_syscalls 424 #endif #define __ARCH_WANT_SYS_CLONE diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index 1ded82857161..f43057353a8e 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -825,6 +825,47 @@ __SYSCALL(__NR_io_pgetevents, compat_sys_io_pgetevents) __SYSCALL(__NR_migrate_pages, compat_sys_migrate_pages) #define __NR_kexec_file_load 401 __SYSCALL(__NR_kexec_file_load, sys_kexec_file_load) +/* 402 is unused */ +#define __NR_clock_gettime64 403 +__SYSCALL(__NR_clock_gettime64, sys_clock_gettime) +#define __NR_clock_settime64 404 +__SYSCALL(__NR_clock_settime64, sys_clock_settime) +#define __NR_clock_adjtime64 405 +__SYSCALL(__NR_clock_adjtime64, sys_clock_adjtime) +#define __NR_clock_getres_time64 406 +__SYSCALL(__NR_clock_getres_time64, sys_clock_getres) +#define __NR_clock_nanosleep_time64 407 +__SYSCALL(__NR_clock_nanosleep_time64, sys_clock_nanosleep) +#define __NR_timer_gettime64 408 +__SYSCALL(__NR_timer_gettime64, sys_timer_gettime) +#define __NR_timer_settime64 409 +__SYSCALL(__NR_timer_settime64, sys_timer_settime) +#define __NR_timerfd_gettime64 410 +__SYSCALL(__NR_timerfd_gettime64, sys_timerfd_gettime) +#define __NR_timerfd_settime64 411 +__SYSCALL(__NR_timerfd_settime64, sys_timerfd_settime) +#define __NR_utimensat_time64 412 +__SYSCALL(__NR_utimensat_time64, sys_utimensat) +#define __NR_pselect6_time64 413 +__SYSCALL(__NR_pselect6_time64, compat_sys_pselect6_time64) +#define __NR_ppoll_time64 414 +__SYSCALL(__NR_ppoll_time64, compat_sys_ppoll_time64) +#define __NR_io_pgetevents_time64 416 +__SYSCALL(__NR_io_pgetevents_time64, sys_io_pgetevents) +#define __NR_recvmmsg_time64 417 +__SYSCALL(__NR_recvmmsg_time64, compat_sys_recvmmsg_time64) +#define __NR_mq_timedsend_time64 418 +__SYSCALL(__NR_mq_timedsend_time64, sys_mq_timedsend) +#define __NR_mq_timedreceiv_time64 419 +__SYSCALL(__NR_mq_timedreceiv_time64, sys_mq_timedreceive) +#define __NR_semtimedop_time64 420 +__SYSCALL(__NR_semtimedop_time64, sys_semtimedop) +#define __NR_rt_sigtimedwait_time64 421 +__SYSCALL(__NR_rt_sigtimedwait_time64, compat_sys_rt_sigtimedwait_time64) +#define __NR_futex_time64 422 +__SYSCALL(__NR_futex_time64, sys_futex) +#define __NR_sched_rr_get_interval_time64 423 +__SYSCALL(__NR_sched_rr_get_interval_time64, sys_sched_rr_get_interval) /* * Please add new compat syscalls above this comment and update diff --git a/arch/ia64/kernel/syscalls/syscall.tbl b/arch/ia64/kernel/syscalls/syscall.tbl index 84e03de00177..ae18c430301c 100644 --- a/arch/ia64/kernel/syscalls/syscall.tbl +++ b/arch/ia64/kernel/syscalls/syscall.tbl @@ -343,3 +343,4 @@ 331 common pkey_free sys_pkey_free 332 common pkey_mprotect sys_pkey_mprotect 333 common rseq sys_rseq +# 334 through 423 are reserved to sync up with other architectures diff --git a/arch/m68k/kernel/syscalls/syscall.tbl b/arch/m68k/kernel/syscalls/syscall.tbl index dec78dc5b056..da627bef806e 100644 --- a/arch/m68k/kernel/syscalls/syscall.tbl +++ b/arch/m68k/kernel/syscalls/syscall.tbl @@ -403,3 +403,23 @@ 400 common msgsnd sys_msgsnd 401 common msgrcv sys_msgrcv 402 common msgctl sys_msgctl +403 common clock_gettime64 sys_clock_gettime +404 common clock_settime64 sys_clock_settime +405 common clock_adjtime64 sys_clock_adjtime +406 common clock_getres_time64 sys_clock_getres +407 common clock_nanosleep_time64 sys_clock_nanosleep +408 common timer_gettime64 sys_timer_gettime +409 common timer_settime64 sys_timer_settime +410 common timerfd_gettime64 sys_timerfd_gettime +411 common timerfd_settime64 sys_timerfd_settime +412 common utimensat_time64 sys_utimensat +413 common pselect6_time64 sys_pselect6 +414 common ppoll_time64 sys_ppoll +416 common io_pgetevents_time64 sys_io_pgetevents +417 common recvmmsg_time64 sys_recvmmsg +418 common mq_timedsend_time64 sys_mq_timedsend +419 common mq_timedreceiv_time64 sys_mq_timedreceive +420 common semtimedop_time64 sys_semtimedop +421 common rt_sigtimedwait_time64 sys_rt_sigtimedwait +422 common futex_time64 sys_futex +423 common sched_rr_get_interval_time64 sys_sched_rr_get_interval diff --git a/arch/microblaze/kernel/syscalls/syscall.tbl b/arch/microblaze/kernel/syscalls/syscall.tbl index 44a87649d681..5ca6677c0437 100644 --- a/arch/microblaze/kernel/syscalls/syscall.tbl +++ b/arch/microblaze/kernel/syscalls/syscall.tbl @@ -408,3 +408,24 @@ 398 common statx sys_statx 399 common io_pgetevents sys_io_pgetevents_time32 400 common rseq sys_rseq +# 401 and 402 are unused +403 common clock_gettime64 sys_clock_gettime +404 common clock_settime64 sys_clock_settime +405 common clock_adjtime64 sys_clock_adjtime +406 common clock_getres_time64 sys_clock_getres +407 common clock_nanosleep_time64 sys_clock_nanosleep +408 common timer_gettime64 sys_timer_gettime +409 common timer_settime64 sys_timer_settime +410 common timerfd_gettime64 sys_timerfd_gettime +411 common timerfd_settime64 sys_timerfd_settime +412 common utimensat_time64 sys_utimensat +413 common pselect6_time64 sys_pselect6 +414 common ppoll_time64 sys_ppoll +416 common io_pgetevents_time64 sys_io_pgetevents +417 common recvmmsg_time64 sys_recvmmsg +418 common mq_timedsend_time64 sys_mq_timedsend +419 common mq_timedreceiv_time64 sys_mq_timedreceive +420 common semtimedop_time64 sys_semtimedop +421 common rt_sigtimedwait_time64 sys_rt_sigtimedwait +422 common futex_time64 sys_futex +423 common sched_rr_get_interval_time64 sys_sched_rr_get_interval diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl index 6d1e019817c8..6218e3a08438 100644 --- a/arch/mips/kernel/syscalls/syscall_n32.tbl +++ b/arch/mips/kernel/syscalls/syscall_n32.tbl @@ -341,3 +341,24 @@ 330 n32 statx sys_statx 331 n32 rseq sys_rseq 332 n32 io_pgetevents compat_sys_io_pgetevents +# 333 through 402 are unassigned to sync up with generic numbers +403 n32 clock_gettime64 sys_clock_gettime +404 n32 clock_settime64 sys_clock_settime +405 n32 clock_adjtime64 sys_clock_adjtime +406 n32 clock_getres_time64 sys_clock_getres +407 n32 clock_nanosleep_time64 sys_clock_nanosleep +408 n32 timer_gettime64 sys_timer_gettime +409 n32 timer_settime64 sys_timer_settime +410 n32 timerfd_gettime64 sys_timerfd_gettime +411 n32 timerfd_settime64 sys_timerfd_settime +412 n32 utimensat_time64 sys_utimensat +413 n32 pselect6_time64 compat_sys_pselect6_time64 +414 n32 ppoll_time64 compat_sys_ppoll_time64 +416 n32 io_pgetevents_time64 sys_io_pgetevents +417 n32 recvmmsg_time64 compat_sys_recvmmsg_time64 +418 n32 mq_timedsend_time64 sys_mq_timedsend +419 n32 mq_timedreceiv_time64 sys_mq_timedreceive +420 n32 semtimedop_time64 sys_semtimedop +421 n32 rt_sigtimedwait_time64 compat_sys_rt_sigtimedwait_time64 +422 n32 futex_time64 sys_futex +423 n32 sched_rr_get_interval_time64 sys_sched_rr_get_interval diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl index af0da757a7b2..c85502e67b44 100644 --- a/arch/mips/kernel/syscalls/syscall_n64.tbl +++ b/arch/mips/kernel/syscalls/syscall_n64.tbl @@ -337,3 +337,4 @@ 326 n64 statx sys_statx 327 n64 rseq sys_rseq 328 n64 io_pgetevents sys_io_pgetevents +# 329 through 423 are reserved to sync up with other architectures diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl index 54312c5b5343..0be1cddeda0c 100644 --- a/arch/mips/kernel/syscalls/syscall_o32.tbl +++ b/arch/mips/kernel/syscalls/syscall_o32.tbl @@ -391,3 +391,23 @@ 400 o32 msgsnd sys_msgsnd compat_sys_msgsnd 401 o32 msgrcv sys_msgrcv compat_sys_msgrcv 402 o32 msgctl sys_msgctl compat_sys_msgctl +403 o32 clock_gettime64 sys_clock_gettime sys_clock_gettime +404 o32 clock_settime64 sys_clock_settime sys_clock_settime +405 o32 clock_adjtime64 sys_clock_adjtime sys_clock_adjtime +406 o32 clock_getres_time64 sys_clock_getres sys_clock_getres +407 o32 clock_nanosleep_time64 sys_clock_nanosleep sys_clock_nanosleep +408 o32 timer_gettime64 sys_timer_gettime sys_timer_gettime +409 o32 timer_settime64 sys_timer_settime sys_timer_settime +410 o32 timerfd_gettime64 sys_timerfd_gettime sys_timerfd_gettime +411 o32 timerfd_settime64 sys_timerfd_settime sys_timerfd_settime +412 o32 utimensat_time64 sys_utimensat sys_utimensat +413 o32 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64 +414 o32 ppoll_time64 sys_ppoll compat_sys_ppoll_time64 +416 o32 io_pgetevents_time64 sys_io_pgetevents sys_io_pgetevents +417 o32 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64 +418 o32 mq_timedsend_time64 sys_mq_timedsend sys_mq_timedsend +419 o32 mq_timedreceiv_time64 sys_mq_timedreceive sys_mq_timedreceive +420 o32 semtimedop_time64 sys_semtimedop sys_semtimedop +421 o32 rt_sigtimedwait_time64 sys_rt_sigtimedwait compat_sys_rt_sigtimedwait_time64 +422 o32 futex_time64 sys_futex sys_futex +423 o32 sched_rr_get_interval_time64 sys_sched_rr_get_interval sys_sched_rr_get_interval diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl index 2521cd561769..51ae690484e4 100644 --- a/arch/parisc/kernel/syscalls/syscall.tbl +++ b/arch/parisc/kernel/syscalls/syscall.tbl @@ -399,3 +399,24 @@ 352 common pkey_free sys_pkey_free 353 common pkey_mprotect sys_pkey_mprotect 354 common rseq sys_rseq +# 355 through 402 are unassigned to sync up with generic numbers +403 32 clock_gettime64 sys_clock_gettime sys_clock_gettime +404 32 clock_settime64 sys_clock_settime sys_clock_settime +405 32 clock_adjtime64 sys_clock_adjtime sys_clock_adjtime +406 32 clock_getres_time64 sys_clock_getres sys_clock_getres +407 32 clock_nanosleep_time64 sys_clock_nanosleep sys_clock_nanosleep +408 32 timer_gettime64 sys_timer_gettime sys_timer_gettime +409 32 timer_settime64 sys_timer_settime sys_timer_settime +410 32 timerfd_gettime64 sys_timerfd_gettime sys_timerfd_gettime +411 32 timerfd_settime64 sys_timerfd_settime sys_timerfd_settime +412 32 utimensat_time64 sys_utimensat sys_utimensat +413 32 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64 +414 32 ppoll_time64 sys_ppoll compat_sys_ppoll_time64 +416 32 io_pgetevents_time64 sys_io_pgetevents sys_io_pgetevents +417 32 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64 +418 32 mq_timedsend_time64 sys_mq_timedsend sys_mq_timedsend +419 32 mq_timedreceiv_time64 sys_mq_timedreceive sys_mq_timedreceive +420 32 semtimedop_time64 sys_semtimedop sys_semtimedop +421 32 rt_sigtimedwait_time64 sys_rt_sigtimedwait compat_sys_rt_sigtimedwait_time64 +422 32 futex_time64 sys_futex sys_futex +423 32 sched_rr_get_interval_time64 sys_sched_rr_get_interval sys_sched_rr_get_interval diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl index 500edbf9e8a6..740dc9dbf689 100644 --- a/arch/powerpc/kernel/syscalls/syscall.tbl +++ b/arch/powerpc/kernel/syscalls/syscall.tbl @@ -485,3 +485,23 @@ 400 common msgsnd sys_msgsnd compat_sys_msgsnd 401 common msgrcv sys_msgrcv compat_sys_msgrcv 402 common msgctl sys_msgctl compat_sys_msgctl +403 32 clock_gettime64 sys_clock_gettime sys_clock_gettime +404 32 clock_settime64 sys_clock_settime sys_clock_settime +405 32 clock_adjtime64 sys_clock_adjtime sys_clock_adjtime +406 32 clock_getres_time64 sys_clock_getres sys_clock_getres +407 32 clock_nanosleep_time64 sys_clock_nanosleep sys_clock_nanosleep +408 32 timer_gettime64 sys_timer_gettime sys_timer_gettime +409 32 timer_settime64 sys_timer_settime sys_timer_settime +410 32 timerfd_gettime64 sys_timerfd_gettime sys_timerfd_gettime +411 32 timerfd_settime64 sys_timerfd_settime sys_timerfd_settime +412 32 utimensat_time64 sys_utimensat sys_utimensat +413 32 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64 +414 32 ppoll_time64 sys_ppoll compat_sys_ppoll_time64 +416 32 io_pgetevents_time64 sys_io_pgetevents sys_io_pgetevents +417 32 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64 +418 32 mq_timedsend_time64 sys_mq_timedsend sys_mq_timedsend +419 32 mq_timedreceiv_time64 sys_mq_timedreceive sys_mq_timedreceive +420 32 semtimedop_time64 sys_semtimedop sys_semtimedop +421 32 rt_sigtimedwait_time64 sys_rt_sigtimedwait compat_sys_rt_sigtimedwait_time64 +422 32 futex_time64 sys_futex sys_futex +423 32 sched_rr_get_interval_time64 sys_sched_rr_get_interval sys_sched_rr_get_interval diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl index deeffeb740db..4af1213074ae 100644 --- a/arch/s390/kernel/syscalls/syscall.tbl +++ b/arch/s390/kernel/syscalls/syscall.tbl @@ -406,3 +406,23 @@ 400 common msgsnd sys_msgsnd compat_sys_msgsnd 401 common msgrcv sys_msgrcv compat_sys_msgrcv 402 common msgctl sys_msgctl compat_sys_msgctl +403 32 clock_gettime64 - sys_clock_gettime +404 32 clock_settime64 - sys_clock_settime +405 32 clock_adjtime64 - sys_clock_adjtime +406 32 clock_getres_time64 - sys_clock_getres +407 32 clock_nanosleep_time64 - sys_clock_nanosleep +408 32 timer_gettime64 - sys_timer_gettime +409 32 timer_settime64 - sys_timer_settime +410 32 timerfd_gettime64 - sys_timerfd_gettime +411 32 timerfd_settime64 - sys_timerfd_settime +412 32 utimensat_time64 - sys_utimensat +413 32 pselect6_time64 - compat_sys_pselect6_time64 +414 32 ppoll_time64 - compat_sys_ppoll_time64 +416 32 io_pgetevents_time64 - sys_io_pgetevents +417 32 recvmmsg_time64 - compat_sys_recvmmsg_time64 +418 32 mq_timedsend_time64 - sys_mq_timedsend +419 32 mq_timedreceiv_time64 - sys_mq_timedreceive +420 32 semtimedop_time64 - sys_semtimedop +421 32 rt_sigtimedwait_time64 - compat_sys_rt_sigtimedwait_time64 +422 32 futex_time64 - sys_futex +423 32 sched_rr_get_interval_time64 - sys_sched_rr_get_interval diff --git a/arch/sh/kernel/syscalls/syscall.tbl b/arch/sh/kernel/syscalls/syscall.tbl index d3993b305cab..dcf3f8c91652 100644 --- a/arch/sh/kernel/syscalls/syscall.tbl +++ b/arch/sh/kernel/syscalls/syscall.tbl @@ -406,3 +406,23 @@ 400 common msgsnd sys_msgsnd 401 common msgrcv sys_msgrcv 402 common msgctl sys_msgctl +403 common clock_gettime64 sys_clock_gettime +404 common clock_settime64 sys_clock_settime +405 common clock_adjtime64 sys_clock_adjtime +406 common clock_getres_time64 sys_clock_getres +407 common clock_nanosleep_time64 sys_clock_nanosleep +408 common timer_gettime64 sys_timer_gettime +409 common timer_settime64 sys_timer_settime +410 common timerfd_gettime64 sys_timerfd_gettime +411 common timerfd_settime64 sys_timerfd_settime +412 common utimensat_time64 sys_utimensat +413 common pselect6_time64 sys_pselect6 +414 common ppoll_time64 sys_ppoll +416 common io_pgetevents_time64 sys_io_pgetevents +417 common recvmmsg_time64 sys_recvmmsg +418 common mq_timedsend_time64 sys_mq_timedsend +419 common mq_timedreceiv_time64 sys_mq_timedreceive +420 common semtimedop_time64 sys_semtimedop +421 common rt_sigtimedwait_time64 sys_rt_sigtimedwait +422 common futex_time64 sys_futex +423 common sched_rr_get_interval_time64 sys_sched_rr_get_interval diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl index fde7491f76e8..18858a7eea02 100644 --- a/arch/sparc/kernel/syscalls/syscall.tbl +++ b/arch/sparc/kernel/syscalls/syscall.tbl @@ -449,3 +449,23 @@ 400 common msgsnd sys_msgsnd compat_sys_msgsnd 401 common msgrcv sys_msgrcv compat_sys_msgrcv 402 common msgctl sys_msgctl compat_sys_msgctl +403 32 clock_gettime64 sys_clock_gettime sys_clock_gettime +404 32 clock_settime64 sys_clock_settime sys_clock_settime +405 32 clock_adjtime64 sys_clock_adjtime sys_clock_adjtime +406 32 clock_getres_time64 sys_clock_getres sys_clock_getres +407 32 clock_nanosleep_time64 sys_clock_nanosleep sys_clock_nanosleep +408 32 timer_gettime64 sys_timer_gettime sys_timer_gettime +409 32 timer_settime64 sys_timer_settime sys_timer_settime +410 32 timerfd_gettime64 sys_timerfd_gettime sys_timerfd_gettime +411 32 timerfd_settime64 sys_timerfd_settime sys_timerfd_settime +412 32 utimensat_time64 sys_utimensat sys_utimensat +413 32 pselect6_time64 sys_pselect6 compat_sys_pselect6_time64 +414 32 ppoll_time64 sys_ppoll compat_sys_ppoll_time64 +416 32 io_pgetevents_time64 sys_io_pgetevents sys_io_pgetevents +417 32 recvmmsg_time64 sys_recvmmsg compat_sys_recvmmsg_time64 +418 32 mq_timedsend_time64 sys_mq_timedsend sys_mq_timedsend +419 32 mq_timedreceiv_time64 sys_mq_timedreceive sys_mq_timedreceive +420 32 semtimedop_time64 sys_semtimedop sys_semtimedop +421 32 rt_sigtimedwait_time64 sys_rt_sigtimedwait compat_sys_rt_sigtimedwait_time64 +422 32 futex_time64 sys_futex sys_futex +423 32 sched_rr_get_interval_time64 sys_sched_rr_get_interval sys_sched_rr_get_interval diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl index 1ad4b1c5417d..b21ddeeb43cb 100644 --- a/arch/x86/entry/syscalls/syscall_32.tbl +++ b/arch/x86/entry/syscalls/syscall_32.tbl @@ -409,3 +409,23 @@ 400 i386 msgsnd sys_msgsnd __ia32_compat_sys_msgsnd 401 i386 msgrcv sys_msgrcv __ia32_compat_sys_msgrcv 402 i386 msgctl sys_msgctl __ia32_compat_sys_msgctl +403 i386 clock_gettime64 sys_clock_gettime __ia32_sys_clock_gettime +404 i386 clock_settime64 sys_clock_settime __ia32_sys_clock_settime +405 i386 clock_adjtime64 sys_clock_adjtime __ia32_sys_clock_adjtime +406 i386 clock_getres_time64 sys_clock_getres __ia32_sys_clock_getres +407 i386 clock_nanosleep_time64 sys_clock_nanosleep __ia32_sys_clock_nanosleep +408 i386 timer_gettime64 sys_timer_gettime __ia32_sys_timer_gettime +409 i386 timer_settime64 sys_timer_settime __ia32_sys_timer_settime +410 i386 timerfd_gettime64 sys_timerfd_gettime __ia32_sys_timerfd_gettime +411 i386 timerfd_settime64 sys_timerfd_settime __ia32_sys_timerfd_settime +412 i386 utimensat_time64 sys_utimensat __ia32_sys_utimensat +413 i386 pselect6_time64 sys_pselect6 __ia32_compat_sys_pselect6_time64 +414 i386 ppoll_time64 sys_ppoll __ia32_compat_sys_ppoll_time64 +416 i386 io_pgetevents_time64 sys_io_pgetevents __ia32_sys_io_pgetevents +417 i386 recvmmsg_time64 sys_recvmmsg __ia32_compat_sys_recvmmsg_time64 +418 i386 mq_timedsend_time64 sys_mq_timedsend __ia32_sys_mq_timedsend +419 i386 mq_timedreceiv_time64 sys_mq_timedreceive __ia32_sys_mq_timedreceive +420 i386 semtimedop_time64 sys_semtimedop __ia32_sys_semtimedop +421 i386 rt_sigtimedwait_time64 sys_rt_sigtimedwait __ia32_compat_sys_rt_sigtimedwait_time64 +422 i386 futex_time64 sys_futex __ia32_sys_futex +423 i386 sched_rr_get_interval_time64 sys_sched_rr_get_interval __ia32_sys_sched_rr_get_interval diff --git a/arch/xtensa/kernel/syscalls/syscall.tbl b/arch/xtensa/kernel/syscalls/syscall.tbl index 482673389e21..f63e1d8c0437 100644 --- a/arch/xtensa/kernel/syscalls/syscall.tbl +++ b/arch/xtensa/kernel/syscalls/syscall.tbl @@ -373,3 +373,24 @@ 350 common pkey_free sys_pkey_free 351 common statx sys_statx 352 common rseq sys_rseq +# 353 through 402 are unassigned to sync up with generic numbers +403 common clock_gettime64 sys_clock_gettime +404 common clock_settime64 sys_clock_settime +405 common clock_adjtime64 sys_clock_adjtime +406 common clock_getres_time64 sys_clock_getres +407 common clock_nanosleep_time64 sys_clock_nanosleep +408 common timer_gettime64 sys_timer_gettime +409 common timer_settime64 sys_timer_settime +410 common timerfd_gettime64 sys_timerfd_gettime +411 common timerfd_settime64 sys_timerfd_settime +412 common utimensat_time64 sys_utimensat +413 common pselect6_time64 sys_pselect6 +414 common ppoll_time64 sys_ppoll +416 common io_pgetevents_time64 sys_io_pgetevents +417 common recvmmsg_time64 sys_recvmmsg +418 common mq_timedsend_time64 sys_mq_timedsend +419 common mq_timedreceiv_time64 sys_mq_timedreceive +420 common semtimedop_time64 sys_semtimedop +421 common rt_sigtimedwait_time64 sys_rt_sigtimedwait +422 common futex_time64 sys_futex +423 common sched_rr_get_interval_time64 sys_sched_rr_get_interval diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index af38c660c857..b8626863a90f 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -740,9 +740,52 @@ __SC_COMP_3264(__NR_io_pgetevents, sys_io_pgetevents_time32, sys_io_pgetevents, __SYSCALL(__NR_rseq, sys_rseq) #define __NR_kexec_file_load 294 __SYSCALL(__NR_kexec_file_load, sys_kexec_file_load) +/* 295 through 402 are unassigned to sync up with generic numbers */ +#if __BITS_PER_LONG == 32 +#define __NR_clock_gettime64 403 +__SYSCALL(__NR_clock_gettime64, sys_clock_gettime) +#define __NR_clock_settime64 404 +__SYSCALL(__NR_clock_settime64, sys_clock_settime) +#define __NR_clock_adjtime64 405 +__SYSCALL(__NR_clock_adjtime64, sys_clock_adjtime) +#define __NR_clock_getres_time64 406 +__SYSCALL(__NR_clock_getres_time64, sys_clock_getres) +#define __NR_clock_nanosleep_time64 407 +__SYSCALL(__NR_clock_nanosleep_time64, sys_clock_nanosleep) +#define __NR_timer_gettime64 408 +__SYSCALL(__NR_timer_gettime64, sys_timer_gettime) +#define __NR_timer_settime64 409 +__SYSCALL(__NR_timer_settime64, sys_timer_settime) +#define __NR_timerfd_gettime64 410 +__SYSCALL(__NR_timerfd_gettime64, sys_timerfd_gettime) +#define __NR_timerfd_settime64 411 +__SYSCALL(__NR_timerfd_settime64, sys_timerfd_settime) +#define __NR_utimensat_time64 412 +__SYSCALL(__NR_utimensat_time64, sys_utimensat) +#define __NR_pselect6_time64 413 +__SC_COMP(__NR_pselect6_time64, sys_pselect6, compat_sys_pselect6_time64) +#define __NR_ppoll_time64 414 +__SC_COMP(__NR_ppoll_time64, sys_ppoll, compat_sys_ppoll_time64) +#define __NR_io_pgetevents_time64 416 +__SYSCALL(__NR_io_pgetevents_time64, sys_io_pgetevents) +#define __NR_recvmmsg_time64 417 +__SC_COMP(__NR_recvmmsg_time64, sys_recvmmsg, compat_sys_recvmmsg_time64) +#define __NR_mq_timedsend_time64 418 +__SYSCALL(__NR_mq_timedsend_time64, sys_mq_timedsend) +#define __NR_mq_timedreceiv_time64 419 +__SYSCALL(__NR_mq_timedreceiv_time64, sys_mq_timedreceive) +#define __NR_semtimedop_time64 420 +__SYSCALL(__NR_semtimedop_time64, sys_semtimedop) +#define __NR_rt_sigtimedwait_time64 421 +__SC_COMP(__NR_rt_sigtimedwait_time64, sys_rt_sigtimedwait, compat_sys_rt_sigtimedwait_time64) +#define __NR_futex_time64 422 +__SYSCALL(__NR_futex_time64, sys_futex) +#define __NR_sched_rr_get_interval_time64 423 +__SYSCALL(__NR_sched_rr_get_interval_time64, sys_sched_rr_get_interval) +#endif #undef __NR_syscalls -#define __NR_syscalls 295 +#define __NR_syscalls 424 /* * 32 bit systems traditionally used different diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh index cf931003395f..45aac9dac53b 100755 --- a/scripts/checksyscalls.sh +++ b/scripts/checksyscalls.sh @@ -84,6 +84,26 @@ cat << EOF #define __IGNORE_statfs64 #define __IGNORE_llseek #define __IGNORE_mmap2 +#define __IGNORE_clock_gettime64 +#define __IGNORE_clock_settime64 +#define __IGNORE_clock_adjtime64 +#define __IGNORE_clock_getres_time64 +#define __IGNORE_clock_nanosleep_time64 +#define __IGNORE_timer_gettime64 +#define __IGNORE_timer_settime64 +#define __IGNORE_timerfd_gettime64 +#define __IGNORE_timerfd_settime64 +#define __IGNORE_utimensat_time64 +#define __IGNORE_pselect6_time64 +#define __IGNORE_ppoll_time64 +#define __IGNORE_io_pgetevents_time64 +#define __IGNORE_recvmmsg_time64 +#define __IGNORE_mq_timedsend_time64 +#define __IGNORE_mq_timedreceiv_time64 +#define __IGNORE_semtimedop_time64 +#define __IGNORE_rt_sigtimedwait_time64 +#define __IGNORE_futex_time64 +#define __IGNORE_sched_rr_get_interval_time64 #else #define __IGNORE_sendfile #define __IGNORE_ftruncate @@ -98,6 +118,26 @@ cat << EOF #define __IGNORE_statfs #define __IGNORE_lseek #define __IGNORE_mmap +#define __IGNORE_clock_gettime +#define __IGNORE_clock_settime +#define __IGNORE_clock_adjtime +#define __IGNORE_clock_getres +#define __IGNORE_clock_nanosleep +#define __IGNORE_timer_gettime +#define __IGNORE_timer_settime +#define __IGNORE_timerfd_gettime +#define __IGNORE_timerfd_settime +#define __IGNORE_utimensat +#define __IGNORE_pselect6 +#define __IGNORE_ppoll +#define __IGNORE_io_pgetevents +#define __IGNORE_recvmmsg +#define __IGNORE_mq_timedsend +#define __IGNORE_mq_timedreceiv +#define __IGNORE_semtimedop +#define __IGNORE_rt_sigtimedwait +#define __IGNORE_futex +#define __IGNORE_sched_rr_get_interval #endif /* i386-specific or historical system calls */
This adds 21 new system calls on each ABI that has 32-bit time_t today. All of these have the exact same semantics as their existing counterparts, and the new ones all have macro names that end in 'time64' for clarification. This gets us to the point of being able to safely use a C library that has 64-bit time_t in user space. There are still a couple of loose ends to tie up in various areas of the code, but this is the big one, and should be entirely uncontroversial at this point. In particular, there are four system calls (getitimer, setitimer, waitid, and getrusage) that don't have a 64-bit counterpart yet, but these can all be safely implemented in the C library by wrapping around the existing system calls because the 32-bit time_t they pass only counts elapsed time, not time since the epoch. They will be dealt with later. Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- The one point that still needs to be agreed on is the actual number assignment. Following the earlier patch that added the sysv IPC calls with common numbers where possible, I also tried the same here, using consistent numbers on all 32-bit architectures. There are a couple of minor issues with this: - On asm-generic, we now leave the numbers from 295 to 402 unassigned, which wastes a small amount of kernel .data segment. Originally I had asm-generic start at 300 and everyone else start at 400 here, which was also not perfect, and we have gone beyond 400 already, so I ended up just using the same numbers as the rest here. - Once we get to 512, we clash with the x32 numbers (unless we remove x32 support first), and probably have to skip a few more. I also considered using the 512..547 space for 32-bit-only calls (which never clash with x32), but that also seems to add a bit of complexity. - On alpha, we have already used up the space up to 527 (with a small hole between 261 and 299). We could sync up with that as well, but my feeling was that alpha syscalls are already special enough that I don't care. Let me know if you have other ideas. --- arch/alpha/kernel/syscalls/syscall.tbl | 2 + arch/arm/tools/syscall.tbl | 21 ++++++++++ arch/arm64/include/asm/unistd.h | 2 +- arch/arm64/include/asm/unistd32.h | 41 +++++++++++++++++++ arch/ia64/kernel/syscalls/syscall.tbl | 1 + arch/m68k/kernel/syscalls/syscall.tbl | 20 +++++++++ arch/microblaze/kernel/syscalls/syscall.tbl | 21 ++++++++++ arch/mips/kernel/syscalls/syscall_n32.tbl | 21 ++++++++++ arch/mips/kernel/syscalls/syscall_n64.tbl | 1 + arch/mips/kernel/syscalls/syscall_o32.tbl | 20 +++++++++ arch/parisc/kernel/syscalls/syscall.tbl | 21 ++++++++++ arch/powerpc/kernel/syscalls/syscall.tbl | 20 +++++++++ arch/s390/kernel/syscalls/syscall.tbl | 20 +++++++++ arch/sh/kernel/syscalls/syscall.tbl | 20 +++++++++ arch/sparc/kernel/syscalls/syscall.tbl | 20 +++++++++ arch/x86/entry/syscalls/syscall_32.tbl | 20 +++++++++ arch/xtensa/kernel/syscalls/syscall.tbl | 21 ++++++++++ include/uapi/asm-generic/unistd.h | 45 ++++++++++++++++++++- scripts/checksyscalls.sh | 40 ++++++++++++++++++ 19 files changed, 375 insertions(+), 2 deletions(-)