diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-12-13 20:16:40 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-12-13 20:16:40 -0300 |
| commit | 6baeafd1f2a54ca041ff71778ebda9fac75aad12 (patch) | |
| tree | 57d2d68fa5d1d91f57cd7fcf0aed0a97892cc8cc /arch/x86/kernel/fpu/core.c | |
| parent | 189382f7a338c02b448ab27e1d5566e052165dc8 (diff) | |
Linux-libre 4.8.14-gnuHEADpck-4.8.14-gnumaster
Diffstat (limited to 'arch/x86/kernel/fpu/core.c')
| -rw-r--r-- | arch/x86/kernel/fpu/core.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c index c289e2f4a..3fc03a09a 100644 --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -517,14 +517,14 @@ void fpu__clear(struct fpu *fpu) { WARN_ON_FPU(fpu != ¤t->thread.fpu); /* Almost certainly an anomaly */ - fpu__drop(fpu); - - /* - * Make sure fpstate is cleared and initialized. - */ - if (static_cpu_has(X86_FEATURE_FPU)) { - fpu__activate_curr(fpu); - user_fpu_begin(); + if (!use_eager_fpu() || !static_cpu_has(X86_FEATURE_FPU)) { + /* FPU state will be reallocated lazily at the first use. */ + fpu__drop(fpu); + } else { + if (!fpu->fpstate_active) { + fpu__activate_curr(fpu); + user_fpu_begin(); + } copy_init_fpstate_to_fpregs(); } } |