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5eacadb5 |
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13-Nov-2018 |
Firoz Khan <firoz.khan@linaro.org> |
xtensa: generate uapi header and syscall table header files System call table generation script must be run to gener- ate unistd_32.h and syscall_table.h files. This patch will have changes which will invokes the script. This patch will generate unistd_32.h and syscall_table.h files by the syscall table generation script invoked by xtensa/Makefile and the generated files against the removed files must be identical. The generated uapi header file will be included in uapi/- asm/unistd.h and generated system call table header file will be included by kernel/syscall.c file. Signed-off-by: Firoz Khan <firoz.khan@linaro.org> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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a86067f5 |
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13-Nov-2018 |
Firoz Khan <firoz.khan@linaro.org> |
xtensa: add __NR_syscalls along with __NR_syscall_count __NR_syscall_count macro holds the number of system call exist in xtensa architecture. We have to change the value of __NR_syscall_count, if we add or delete a system call. One of the patch in this patch series has a script which will generate a uapi header based on syscall.tbl file. The syscall.tbl file contains the total number of system calls information. So we have two option to update __NR- _syscall_count value. 1. Update __NR_syscall_count in asm/unistd.h manually by counting the no.of system calls. No need to update __NR- _syscall_count until we either add a new system call or delete existing system call. 2. We can keep this feature it above mentioned script, that will count the number of syscalls and keep it in a generated file. In this case we don't need to expli- citly update __NR_syscall_count in asm/unistd.h file. The 2nd option will be the recommended one. For that, I added the __NR_syscalls macro in uapi/asm/unistd.h. The macro __NR_syscalls also added for making the name convention same across all architecture. While __NR_syscalls isn't strictly part of the uapi, having it as part of the generated header to simplifies the implementation. We also need to enclose this macro with #ifdef __KERNEL__ to avoid side effects. Signed-off-by: Firoz Khan <firoz.khan@linaro.org> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> [Max: Drop __NR_syscall_count completely, use __NR_syscalls instead]
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6f52b16c |
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01-Nov-2017 |
Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
License cleanup: add SPDX license identifier to uapi header files with no license Many user space API headers are missing licensing information, which makes it hard for compliance tools to determine the correct license. By default are files without license information under the default license of the kernel, which is GPLV2. Marking them GPLV2 would exclude them from being included in non GPLV2 code, which is obviously not intended. The user space API headers fall under the syscall exception which is in the kernels COPYING file: NOTE! This copyright does *not* cover user programs that use kernel services by normal system calls - this is merely considered normal use of the kernel, and does *not* fall under the heading of "derived work". otherwise syscall usage would not be possible. Update the files which contain no license information with an SPDX license identifier. The chosen identifier is 'GPL-2.0 WITH Linux-syscall-note' which is the officially assigned identifier for the Linux syscall exception. SPDX license identifiers are a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. See the previous patch in this series for the methodology of how this patch was researched. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1493aa65 |
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31-Mar-2017 |
Max Filippov <jcmvbkbc@gmail.com> |
xtensa: wire up statx system call Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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709fb1f9 |
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14-Nov-2016 |
Max Filippov <jcmvbkbc@gmail.com> |
xtensa: wire up new pkey_{mprotect,alloc,free} syscalls Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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d8d2f7f6 |
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30-Jul-2016 |
Max Filippov <jcmvbkbc@gmail.com> |
xtensa: wire up new syscalls Wire up userfaultfd, membarrier, mlock2, copy_file_range, preadv2, pwritev2 Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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01e84c70 |
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27-Feb-2015 |
Max Filippov <jcmvbkbc@gmail.com> |
xtensa: provide __NR_sync_file_range2 instead of __NR_sync_file_range xtensa actually uses sync_file_range2 implementation, so it should define __NR_sync_file_range2 as other architectures that use that function. That fixes userspace interface (that apparently never worked) and avoids special-casing xtensa in libc implementations. See the thread ending at http://lists.busybox.net/pipermail/uclibc/2015-February/048833.html for more details. Cc: stable@vger.kernel.org Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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d44679ab |
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27-Feb-2015 |
Max Filippov <jcmvbkbc@gmail.com> |
xtensa: wire bpf and execveat syscalls Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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2651cc69 |
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06-Oct-2014 |
Max Filippov <jcmvbkbc@gmail.com> |
xtensa: re-wire umount syscall to sys_oldumount Userspace actually passes single parameter (path name) to the umount syscall, so new umount just fails. Fix it by requesting old umount syscall implementation and re-wiring umount to it. Cc: stable@vger.kernel.org Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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bb550fd5 |
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01-Oct-2014 |
Max Filippov <jcmvbkbc@gmail.com> |
xtensa: add seccomp, getrandom, and memfd_create syscalls Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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89f77c6f |
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10-Apr-2014 |
Miklos Szeredi <mszeredi@suse.cz> |
xtensa: add renameat2 syscall Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Cc: Chris Zankel <chris@zankel.net> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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f63b6d75 |
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18-Feb-2014 |
Max Filippov <jcmvbkbc@gmail.com> |
xtensa: wire up sched_setattr and sched_getattr syscalls Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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9cf81c75 |
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23-Feb-2013 |
Chris Zankel <chris@zankel.net> |
xtensa: add accept4 syscall Signed-off-by: Chris Zankel <chris@zankel.net>
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475c32d0 |
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23-Dec-2012 |
Max Filippov <jcmvbkbc@gmail.com> |
xtensa: add finit_module syscall Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
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0430f2f2 |
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23-Dec-2012 |
Al Viro <viro@zeniv.linux.org.uk> |
xtensa: switch to generic sigaltstack Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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3e41f9ba |
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26-Oct-2012 |
Al Viro <viro@zeniv.linux.org.uk> |
xtensa: switch to generic clone() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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dc241f2c |
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25-Oct-2012 |
Max Filippov <jcmvbkbc@gmail.com> |
xtensa: switch to generic sys_execve() Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
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2f72d4f6 |
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23-Oct-2012 |
Chris Zankel <chris@zankel.net> |
xtensa: allow multi-inclusion for uapi/unistd.h Xtensa implements a method that allows to generate a arbitrary output for each system call by defining the __SYSCALL(number, function, num_args). This usually requires to include uapi/unistd.h twice. Instead of removing the guard agains multiple inclusion entirely, allow to include unistd.h again only if __SYSCALL is defined. Note that __SYSCALL gets always undefined at the end of the file. Signed-off-by: Chris Zankel <chris@zankel.net>
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7216cabf |
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19-Oct-2012 |
Chris Zankel <chris@zankel.net> |
xtensa: add missing system calls to the syscall table Add the following system calls to the syscall table: fallocate sendmmsg umount2 syncfs epoll_create1 inotify_init1 signalfd4 dup3 pipe2 timerfd_create timerfd_settime timerfd_gettime eventfd2 preadv pwritev fanotify_init fanotify_mark process_vm_readv process_vm_writev name_to_handle_at open_by_handle_at sync_file_range perf_event_open rt_tgsigqueueinfo clock_adjtime prlimit64 kcmp Note that we have to use the 'sys_sync_file_range2' version, so that the 64-bit arguments are aligned correctly to the argument registers. Signed-off-by: Chris Zankel <chris@zankel.net>
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83596729 |
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14-Oct-2012 |
David Howells <dhowells@redhat.com> |
UAPI: (Scripted) Disintegrate arch/xtensa/include/asm UAPI: (Scripted) Disintegrate arch/xtensa/include/asm Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Chris Zankel <chris@zankel.net>
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