diff options
| -rw-r--r-- | arch/x86/kernel/fpu/init.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/x86/kernel/fpu/init.c b/arch/x86/kernel/fpu/init.c index 567e7e6cdc6b..ca3468d8bc31 100644 --- a/arch/x86/kernel/fpu/init.c +++ b/arch/x86/kernel/fpu/init.c @@ -96,6 +96,12 @@ static void mxcsr_feature_mask_init(void) static void fpstate_xstate_init_size(void) { + static bool on_boot_cpu = 1; + + if (!on_boot_cpu) + return; + on_boot_cpu = 0; + /* * Note that xstate_size might be overwriten later during * fpu__init_system_xstate(). @@ -227,7 +233,10 @@ void fpu__init_system(void) fx_finit(&init_xstate_ctx.i387); mxcsr_feature_mask_init(); + + fpstate_xstate_init_size(); fpu__init_system_xstate(); + fpu__init_system_ctx_switch(); fpu__init_cpu_ctx_switch(); } @@ -270,6 +279,4 @@ void fpu__detect(struct cpuinfo_x86 *c) clear_cpu_cap(c, X86_FEATURE_FPU); /* The final cr0 value is set later, in fpu_init() */ - - fpstate_xstate_init_size(); } |