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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-10 11:35:36 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2015-02-10 11:35:36 -0800 |
| commit | 4ba24fef3eb3b142197135223b90ced2f319cd53 (patch) | |
| tree | a20c125b27740ec7b4c761b11d801108e1b316b2 /arch/x86/kernel/signal.c | |
| parent | 47c1ffb2b6b630894e9a16442611c056ab21c057 (diff) | |
| parent | 98a4a59ee31a12105a2b84f5b8b515ac2cb208ef (diff) | |
Merge branch 'next' into for-linus
Prepare first round of input updates for 3.20.
Diffstat (limited to 'arch/x86/kernel/signal.c')
| -rw-r--r-- | arch/x86/kernel/signal.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 2851d63c120..ed37a768d0f 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -675,6 +675,11 @@ handle_signal(struct ksignal *ksig, struct pt_regs *regs) * handler too. */ regs->flags &= ~(X86_EFLAGS_DF|X86_EFLAGS_RF|X86_EFLAGS_TF); + /* + * Ensure the signal handler starts with the new fpu state. + */ + if (used_math()) + drop_init_fpu(current); } signal_setup_done(failed, ksig, test_thread_flag(TIF_SINGLESTEP)); } |