diff options
Diffstat (limited to 'arch/x86/kernel/signal.c')
| -rw-r--r-- | arch/x86/kernel/signal.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 8e2529ebb8c6..20a9d355af59 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -198,6 +198,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size, unsigned long sp = regs->sp; unsigned long buf_fx = 0; int onsigstack = on_sig_stack(sp); + struct fpu *fpu = ¤t->thread.fpu; /* redzone */ if (config_enabled(CONFIG_X86_64)) @@ -217,7 +218,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size, } } - if (current->flags & PF_USED_MATH) { + if (fpu->fpstate_active) { sp = alloc_mathframe(sp, config_enabled(CONFIG_X86_32), &buf_fx, &math_size); *fpstate = (void __user *)sp; @@ -233,7 +234,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size, return (void __user *)-1L; /* save i387 and extended state */ - if ((current->flags & PF_USED_MATH) && + if (fpu->fpstate_active && save_xstate_sig(*fpstate, (void __user *)buf_fx, math_size) < 0) return (void __user *)-1L; @@ -616,6 +617,7 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs) { bool stepping, failed; + struct fpu *fpu = ¤t->thread.fpu; /* Are we from a system call? */ if (syscall_get_nr(current, regs) >= 0) { @@ -664,7 +666,7 @@ handle_signal(struct ksignal *ksig, struct pt_regs *regs) /* * Ensure the signal handler starts with the new fpu state. */ - if (current->flags & PF_USED_MATH) + if (fpu->fpstate_active) fpu_reset_state(current); } signal_setup_done(failed, ksig, stepping); |