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,URIBL_BLOCKED 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 6E9A4C48BDF for ; Fri, 18 Jun 2021 15:21:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 58F80613F0 for ; Fri, 18 Jun 2021 15:21:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235267AbhFRPXT (ORCPT ); Fri, 18 Jun 2021 11:23:19 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:56668 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234853AbhFRPWH (ORCPT ); Fri, 18 Jun 2021 11:22:07 -0400 Message-Id: <20210618143447.897676792@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1624029596; 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=P9TNA8BrRu5FvvIRm8vv4Q4IOmB6ti1etddLvPAwE48=; b=FxIwc2J2fblNmTTEsAF26d3VSvadzT2z2orCZ9alSAP3iDKbkfRjuiDYxyakzG4DVqKQl9 KOYuS3HYMr5Ys5y0JC+U8TjGQmUNDh/sN3rt263JRQED3UnSZJeEPftZONmh6SspVbq9t+ UBK+nkhhgrOjYpzh0i8H0vvTPN3VOlw+9tLj+2hBKLg/DgflFN2aWsMXlUSx/tJtBBTxb9 WDMN4tCmGXcTKqXIneDqWKiQbbkl0WZZWTURcZymFd3W2kHpvpgWQUXTl0J12fzwHsSWdD CEUcJT5OmVAkEZ3W1uc+dMzqSkscYFqn/vddPnJVkbCaHK6M7c7PlDwKmNvchQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1624029596; 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=P9TNA8BrRu5FvvIRm8vv4Q4IOmB6ti1etddLvPAwE48=; b=JaCtRwLRvZFLPdTK60hLM9mAdA2bU4QcDglM4m40EalzxF7tUGsIBd18GzSQ56SngIXkwj Q9P31peFRumgVNBg== Date: Fri, 18 Jun 2021 16:18:54 +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 V3 31/66] x86/fpu: Rename xstate copy functions which are related to UABI References: <20210618141823.161158090@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 Rename them to reflect that these functions deal with user space format XSAVE buffers. copy_kernel_to_xstate() -> copy_uabi_from_kernel_to_xstate() copy_user_to_xstate() -> copy_sigframe_from_user_to_xstate() Again a clear statement that these functions deal with user space ABI. Suggested-by: Andy Lutomirski Signed-off-by: Thomas Gleixner --- arch/x86/include/asm/fpu/xstate.h | 4 ++-- arch/x86/kernel/fpu/regset.c | 2 +- arch/x86/kernel/fpu/signal.c | 2 +- arch/x86/kernel/fpu/xstate.c | 5 +++-- 4 files changed, 7 insertions(+), 6 deletions(-) --- a/arch/x86/include/asm/fpu/xstate.h +++ b/arch/x86/include/asm/fpu/xstate.h @@ -102,8 +102,8 @@ extern void __init update_regset_xstate_ void *get_xsave_addr(struct xregs_state *xsave, int xfeature_nr); int xfeature_size(int xfeature_nr); -int copy_kernel_to_xstate(struct xregs_state *xsave, const void *kbuf); -int copy_user_to_xstate(struct xregs_state *xsave, const void __user *ubuf); +int copy_uabi_from_kernel_to_xstate(struct xregs_state *xsave, const void *kbuf); +int copy_sigframe_from_user_to_xstate(struct xregs_state *xsave, const void __user *ubuf); void copy_dynamic_supervisor_to_kernel(struct xregs_state *xstate, u64 mask); void copy_kernel_to_dynamic_supervisor(struct xregs_state *xstate, u64 mask); --- a/arch/x86/kernel/fpu/regset.c +++ b/arch/x86/kernel/fpu/regset.c @@ -167,7 +167,7 @@ int xstateregs_set(struct task_struct *t } fpu_force_restore(fpu); - ret = copy_kernel_to_xstate(&fpu->state.xsave, kbuf ?: tmpbuf); + ret = copy_uabi_from_kernel_to_xstate(&fpu->state.xsave, kbuf ?: tmpbuf); out: vfree(tmpbuf); --- a/arch/x86/kernel/fpu/signal.c +++ b/arch/x86/kernel/fpu/signal.c @@ -422,7 +422,7 @@ static int __fpu__restore_sig(void __use if (use_xsave() && !fx_only) { u64 init_bv = xfeatures_mask_user() & ~user_xfeatures; - ret = copy_user_to_xstate(&fpu->state.xsave, buf_fx); + ret = copy_sigframe_from_user_to_xstate(&fpu->state.xsave, buf_fx); if (ret) goto out; --- a/arch/x86/kernel/fpu/xstate.c +++ b/arch/x86/kernel/fpu/xstate.c @@ -1099,7 +1099,7 @@ static inline bool mxcsr_valid(struct xs * Convert from a ptrace standard-format kernel buffer to kernel XSAVE[S] format * and copy to the target thread. This is called from xstateregs_set(). */ -int copy_kernel_to_xstate(struct xregs_state *xsave, const void *kbuf) +int copy_uabi_from_kernel_to_xstate(struct xregs_state *xsave, const void *kbuf) { unsigned int offset, size; int i; @@ -1154,7 +1154,8 @@ int copy_kernel_to_xstate(struct xregs_s * XSAVE[S] format and copy to the target thread. This is called from the * sigreturn() and rt_sigreturn() system calls. */ -int copy_user_to_xstate(struct xregs_state *xsave, const void __user *ubuf) +int copy_sigframe_from_user_to_xstate(struct xregs_state *xsave, + const void __user *ubuf) { unsigned int offset, size; int i;