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| author | Ingo Molnar | 2014-11-12 15:09:01 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2014-11-12 15:09:01 +0100 |
| commit | 890ca861f868a10617029ffc87eae7d48ea6876c (patch) | |
| tree | 713383f4e3bbd94ddb9816a25e6b3911511908f1 /arch/x86/kernel/signal.c | |
| parent | 03452d27c6cd9cebb59a6bb0fb6bd8557916c263 (diff) | |
| parent | 206c5f60a3d902bc4b56dab2de3e88de5eb06108 (diff) | |
Merge tag 'v3.18-rc4' into x86/cleanups, to refresh the tree before pulling new changes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 2851d63c1202..ed37a768d0fc 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)); } |