diff options
Diffstat (limited to 'arch/sh/kernel/signal_64.c')
| -rw-r--r-- | arch/sh/kernel/signal_64.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c index 1d62dfef77f1..ce3e851dffcb 100644 --- a/arch/sh/kernel/signal_64.c +++ b/arch/sh/kernel/signal_64.c @@ -43,6 +43,10 @@ #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP))) +static void +handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, + sigset_t *oldset, struct pt_regs * regs); + /* * Note that 'init' is a special process: it doesn't get signals it doesn't * want to handle. Thus you cannot kill init even with a SIGKILL even by @@ -371,6 +375,9 @@ asmlinkage int sys_sigreturn(unsigned long r2, unsigned long r3, sigset_t set; long long ret; + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) goto badframe; @@ -408,6 +415,9 @@ asmlinkage int sys_rt_sigreturn(unsigned long r2, unsigned long r3, stack_t __user st; long long ret; + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) goto badframe; @@ -535,7 +545,7 @@ static void setup_frame(int sig, struct k_sigaction *ka, * On SH5 all edited pointers are subject to NEFF */ DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ? - (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR; + (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR; } else { /* * Different approach on SH5. @@ -550,10 +560,10 @@ static void setup_frame(int sig, struct k_sigaction *ka, */ DEREF_REG_PR = (unsigned long) frame->retcode | 0x01; DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ? - (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR; + (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR; if (__copy_to_user(frame->retcode, - (unsigned long long)sa_default_restorer & (~1), 16) != 0) + (void *)((unsigned long)sa_default_restorer & (~1)), 16) != 0) goto give_sigsegv; /* Cohere the trampoline with the I-cache. */ @@ -566,7 +576,7 @@ static void setup_frame(int sig, struct k_sigaction *ka, */ regs->regs[REG_SP] = (unsigned long) frame; regs->regs[REG_SP] = (regs->regs[REG_SP] & NEFF_SIGN) ? - (regs->regs[REG_SP] | NEFF_MASK) : regs->regs[REG_SP]; + (regs->regs[REG_SP] | NEFF_MASK) : regs->regs[REG_SP]; regs->regs[REG_ARG1] = signal; /* Arg for signal handler */ /* FIXME: @@ -652,7 +662,7 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, * On SH5 all edited pointers are subject to NEFF */ DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ? - (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR; + (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR; } else { /* * Different approach on SH5. @@ -668,10 +678,10 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, DEREF_REG_PR = (unsigned long) frame->retcode | 0x01; DEREF_REG_PR = (DEREF_REG_PR & NEFF_SIGN) ? - (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR; + (DEREF_REG_PR | NEFF_MASK) : DEREF_REG_PR; if (__copy_to_user(frame->retcode, - (unsigned long long)sa_default_rt_restorer & (~1), 16) != 0) + (void *)((unsigned long)sa_default_rt_restorer & (~1)), 16) != 0) goto give_sigsegv; flush_icache_range(DEREF_REG_PR-1, DEREF_REG_PR-1+15); @@ -683,7 +693,7 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, */ regs->regs[REG_SP] = (unsigned long) frame; regs->regs[REG_SP] = (regs->regs[REG_SP] & NEFF_SIGN) ? - (regs->regs[REG_SP] | NEFF_MASK) : regs->regs[REG_SP]; + (regs->regs[REG_SP] | NEFF_MASK) : regs->regs[REG_SP]; regs->regs[REG_ARG1] = signal; /* Arg for signal handler */ regs->regs[REG_ARG2] = (unsigned long long)(unsigned long)(signed long)&frame->info; regs->regs[REG_ARG3] = (unsigned long long)(unsigned long)(signed long)&frame->uc.uc_mcontext; |