GIT 010ed05a1bcbd8f424a20b19b0d3bbe795160b2e git://www.linux-m32r.org/git/takata/linux-2.6_dev.git#linux-m32r commit Author: Hirokazu Takata Date: Wed Sep 12 17:51:35 2007 +0900 m32r: Update sys_rt_sigsuspend Update sys_rt_sigsuspend() of arch/m32r/signal.c. This modification is derived from generic one of kernel/signal.c. Signed-off-by: Hirokazu Takata commit 68803fe113c71fe51521758bec65b070fd3327d2 Author: Hirokazu Takata Date: Thu Sep 13 18:31:34 2007 +0900 m32r: Ignore warnings for unused syscalls checksyscalls.sh reports warnings for missing syscalls. But, on m32r, some legacy syscalls were removed elaborately. This patch kills warnings for obsolete syscalls, which are no longer used in the m32r kernel. Signed-off-by: Hirokazu Takata commit 9e4412c71c7c04a894651d7cb60875cfa2764e3c Author: Hirokazu Takata Date: Wed Sep 12 17:46:53 2007 +0900 m32r: Add missing syscalls Add the following 39 syscalls for m32r: sys_add_key, sys_request_key, sys_keyctl, sys_ioprio_set, sys_ioprio_get, sys_inotify_init, sys_inotify_add_watch, sys_inotify_rm_watch, sys_migrate_pages, sys_openat, sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, sys_fstatat64, sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat, sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare, sys_set_robust_list, sys_get_robust_list, sys_splice, sys_sync_file_range, sys_tee, sys_vmsplice, sys_move_pages, sys_getcpu, sys_epoll_pwait, sys_utimensat, sys_signalfd, sys_timerfd, sys_eventfd, sys_fallocate Signed-off-by: Hirokazu Takata arch/m32r/kernel/signal.c | 17 ++++------ arch/m32r/kernel/syscall_table.S | 40 +++++++++++++++++++++++ include/asm-m32r/thread_info.h | 11 +++++- include/asm-m32r/unistd.h | 66 +++++++++++++++++++++++++++++++++++++- 4 files changed, 120 insertions(+), 14 deletions(-) diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c index 916faf6..650a6a1 100644 --- a/arch/m32r/kernel/signal.c +++ b/arch/m32r/kernel/signal.c @@ -36,7 +36,7 @@ sys_rt_sigsuspend(sigset_t __user *unews unsigned long r2, unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6, struct pt_regs *regs) { - sigset_t saveset, newset; + sigset_t newset; /* XXX: Don't preclude handling different sized sigset_t's. */ if (sigsetsize != sizeof(sigset_t)) @@ -44,21 +44,18 @@ sys_rt_sigsuspend(sigset_t __user *unews if (copy_from_user(&newset, unewset, sizeof(newset))) return -EFAULT; - sigdelsetmask(&newset, ~_BLOCKABLE); + sigdelsetmask(&newset, sigmask(SIGKILL)|sigmask(SIGSTOP)); spin_lock_irq(¤t->sighand->siglock); - saveset = current->blocked; + current->saved_sigmask = current->blocked; current->blocked = newset; recalc_sigpending(); spin_unlock_irq(¤t->sighand->siglock); - regs->r0 = -EINTR; - while (1) { - current->state = TASK_INTERRUPTIBLE; - schedule(); - if (do_signal(regs, &saveset)) - return regs->r0; - } + current->state = TASK_INTERRUPTIBLE; + schedule(); + set_thread_flag(TIF_RESTORE_SIGMASK); + return -ERESTARTNOHAND; } asmlinkage int diff --git a/arch/m32r/kernel/syscall_table.S b/arch/m32r/kernel/syscall_table.S index 751ac2a..95aa798 100644 --- a/arch/m32r/kernel/syscall_table.S +++ b/arch/m32r/kernel/syscall_table.S @@ -284,3 +284,43 @@ ENTRY(sys_call_table) .long sys_mq_getsetattr .long sys_ni_syscall /* reserved for kexec */ .long sys_waitid + .long sys_ni_syscall /* 285 */ /* available */ + .long sys_add_key + .long sys_request_key + .long sys_keyctl + .long sys_ioprio_set + .long sys_ioprio_get /* 290 */ + .long sys_inotify_init + .long sys_inotify_add_watch + .long sys_inotify_rm_watch + .long sys_migrate_pages + .long sys_openat /* 295 */ + .long sys_mkdirat + .long sys_mknodat + .long sys_fchownat + .long sys_futimesat + .long sys_fstatat64 /* 300 */ + .long sys_unlinkat + .long sys_renameat + .long sys_linkat + .long sys_symlinkat + .long sys_readlinkat /* 305 */ + .long sys_fchmodat + .long sys_faccessat + .long sys_pselect6 + .long sys_ppoll + .long sys_unshare /* 310 */ + .long sys_set_robust_list + .long sys_get_robust_list + .long sys_splice + .long sys_sync_file_range + .long sys_tee /* 315 */ + .long sys_vmsplice + .long sys_move_pages + .long sys_getcpu + .long sys_epoll_pwait + .long sys_utimensat /* 320 */ + .long sys_signalfd + .long sys_timerfd + .long sys_eventfd + .long sys_fallocate diff --git a/include/asm-m32r/thread_info.h b/include/asm-m32r/thread_info.h index b7ccc3e..6a207e4 100644 --- a/include/asm-m32r/thread_info.h +++ b/include/asm-m32r/thread_info.h @@ -150,16 +150,21 @@ #define TIF_SIGPENDING 1 /* signal pend #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ #define TIF_SINGLESTEP 3 /* restore singlestep on return to user mode */ #define TIF_IRET 4 /* return with iret */ -#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ - /* 31..28 fault code */ -#define TIF_MEMDIE 17 +#define TIF_RESTORE_SIGMASK 8 /* restore signal mask in do_signal() */ +#define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ +#define TIF_POLLING_NRFLAG 17 /* true if poll_idle() is polling TIF_NEED_RESCHED */ +#define TIF_MEMDIE 18 /* OOM killer killed process */ +#define TIF_FREEZE 19 /* is freezing for suspend */ #define _TIF_SYSCALL_TRACE (1<