diff options
Diffstat (limited to 'arch/x86/kernel/fpu')
| -rw-r--r-- | arch/x86/kernel/fpu/core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c index 86a9a9a..874ef17 100644 --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -371,6 +371,8 @@ void fpu__restore(struct fpu *fpu) kernel_fpu_disable(); fpregs_activate(fpu); if (unlikely(copy_fpstate_to_fpregs(fpu))) { + /* Copying the kernel state to FPU registers should never fail: */ + WARN_ON_FPU(1); fpu__clear(fpu); force_sig_info(SIGSEGV, SEND_SIG_PRIV, current); } else { |