diff options
Diffstat (limited to 'arch/mips/kernel/signal.c')
| -rw-r--r-- | arch/mips/kernel/signal.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c index 8c3c5a5789b0..fa581192de21 100644 --- a/arch/mips/kernel/signal.c +++ b/arch/mips/kernel/signal.c @@ -113,10 +113,10 @@ int setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) * Save FPU state to signal context. Signal handler * will "inherit" current FPU state. */ + preempt_disable(); own_fpu(1); - enable_fp_in_kernel(); err |= save_fp_context(sc); - disable_fp_in_kernel(); + preempt_enable(); } return err; } @@ -148,7 +148,10 @@ check_and_restore_fp_context(struct sigcontext __user *sc) err = sig = fpcsr_pending(&sc->sc_fpc_csr); if (err > 0) err = 0; + preempt_disable(); + own_fpu(0); err |= restore_fp_context(sc); + preempt_enable(); return err ?: sig; } @@ -187,11 +190,8 @@ int restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc) if (used_math) { /* restore fpu context if we have used it before */ - own_fpu(0); - enable_fp_in_kernel(); if (!err) err = check_and_restore_fp_context(sc); - disable_fp_in_kernel(); } else { /* signal handler may have used FPU. Give it up. */ lose_fpu(0); |