Commit 617473ac authored by Thomas Gleixner's avatar Thomas Gleixner Committed by Borislav Petkov
Browse files

x86/fpu: Cleanup fpu__init_system_xstate_size_legacy() 



Clean the function up before making changes.

No functional change.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211014230739.184014242@linutronix.de
parent 578971f4

arch/x86/kernel/fpu/init.c

+5 −10
Original line number Diff line number Diff line
@@ -199,17 +199,12 @@ static void __init fpu__init_system_xstate_size_legacy(void) 
	 * Note that xstate sizes might be overwritten later during

	 * fpu__init_system_xstate().

	 */



	if (!boot_cpu_has(X86_FEATURE_FPU)) {

	if (!cpu_feature_enabled(X86_FEATURE_FPU))

		fpu_kernel_xstate_size = sizeof(struct swregs_state);

	} else {

		if (boot_cpu_has(X86_FEATURE_FXSR))

			fpu_kernel_xstate_size =

				sizeof(struct fxregs_state);

	else if (cpu_feature_enabled(X86_FEATURE_FXSR))

		fpu_kernel_xstate_size = sizeof(struct fxregs_state);

	else

			fpu_kernel_xstate_size =

				sizeof(struct fregs_state);

	}

		fpu_kernel_xstate_size = sizeof(struct fregs_state);



	fpu_user_xstate_size = fpu_kernel_xstate_size;

	fpstate_reset(&current->thread.fpu);