From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6302C48BE6 for ; Fri, 11 Jun 2021 16:45:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8DC1B61357 for ; Fri, 11 Jun 2021 16:45:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231610AbhFKQrC (ORCPT ); Fri, 11 Jun 2021 12:47:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56250 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231338AbhFKQqV (ORCPT ); Fri, 11 Jun 2021 12:46:21 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14651C0617AF for ; Fri, 11 Jun 2021 09:44:23 -0700 (PDT) Message-Id: <20210611163113.082022911@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1623429861; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: references:references; bh=gpsUrwul8/waQPlS0/GNa8sTrq4H85o+PFcvmWPCTfM=; b=Ii/YwsP/4UKS380vzl6gZF05ah64jopvhrik1iKqbmErxnphH0iRx+8iIdT6N3N10zodZg TlLYjdkFdl2vhrdxBkBMQfktSSZ1Fcnqi69TRnqSM5h8f/MdVf+AeLgNAFOb6NRJA09mLG ja7sKY2M9b8+rQ8g21u+pKAi++CxI2+0EkeYLC4mM7KtwejIEXha9BSYbnDJvpSs7Gmm5E ikJUOZuO0hukkNBxNLGXvEajGlIYaAWXPJNZAJIdGnAWAtdzEXtlXd3yxoJsHheavB3Vb+ D+B24Fqq060NBLyFFhuIJv2P+wA9flUx/OPTTJeHtCLKDGTFBG21iCiopFkWhg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1623429861; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: references:references; bh=gpsUrwul8/waQPlS0/GNa8sTrq4H85o+PFcvmWPCTfM=; b=un+lSC78u+hJjaxc27vI/1XgnWuah1qg8Oovrv3oLMTdaEyrnnX5rUgoHr+coEvcEyZ4dm GLPdUGa1/cB73ECA== Date: Fri, 11 Jun 2021 18:15:43 +0200 From: Thomas Gleixner To: LKML Cc: Andy Lutomirski , Dave Hansen , Fenghua Yu , Tony Luck , Yu-cheng Yu , Sebastian Andrzej Siewior , Borislav Petkov , Peter Zijlstra , Kan Liang Subject: [patch 20/41] x86/fpu: Rename initstate copy functions References: <20210611161523.508908024@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-transfer-encoding: 8-bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Again this not a copy. It's loading register state. Signed-off-by: Thomas Gleixner --- arch/x86/kernel/fpu/core.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/arch/x86/kernel/fpu/core.c +++ b/arch/x86/kernel/fpu/core.c @@ -355,7 +355,7 @@ void fpu__drop(struct fpu *fpu) * Clear FPU registers by setting them up from the init fpstate. * Caller must do fpregs_[un]lock() around it. */ -static inline void copy_init_fpstate_to_fpregs(u64 features_mask) +static inline void load_fpregs_from_init_fpstate(u64 features_mask) { if (use_xsave()) xrstor_from_kernel(&init_fpstate.xsave, features_mask); @@ -391,9 +391,9 @@ static void fpu__clear(struct fpu *fpu, xfeatures_mask_supervisor()) xrstor_from_kernel(&fpu->state.xsave, xfeatures_mask_supervisor()); - copy_init_fpstate_to_fpregs(xfeatures_mask_user()); + load_fpregs_from_init_fpstate(xfeatures_mask_user()); } else { - copy_init_fpstate_to_fpregs(xfeatures_mask_all); + load_fpregs_from_init_fpstate(xfeatures_mask_all); } fpregs_mark_activate();