From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760929AbbEEQ2p (ORCPT ); Tue, 5 May 2015 12:28:45 -0400 Received: from mail-wi0-f169.google.com ([209.85.212.169]:36696 "EHLO mail-wi0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760885AbbEEQ2h (ORCPT ); Tue, 5 May 2015 12:28:37 -0400 From: Ingo Molnar To: linux-kernel@vger.kernel.org Cc: Andy Lutomirski , Borislav Petkov , Dave Hansen , Fenghua Yu , "H. Peter Anvin" , Linus Torvalds , Oleg Nesterov , Thomas Gleixner Subject: [PATCH 033/208] x86/fpu: Remove fpu_xsave() Date: Tue, 5 May 2015 18:24:13 +0200 Message-Id: <1430843228-13749-34-git-send-email-mingo@kernel.org> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1430843228-13749-1-git-send-email-mingo@kernel.org> References: <1430843228-13749-1-git-send-email-mingo@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It's a pointless wrapper now - use xsave_state(). Reviewed-by: Borislav Petkov Cc: Andy Lutomirski Cc: Dave Hansen Cc: Fenghua Yu Cc: H. Peter Anvin Cc: Linus Torvalds Cc: Oleg Nesterov Cc: Thomas Gleixner Signed-off-by: Ingo Molnar --- arch/x86/include/asm/fpu-internal.h | 2 +- arch/x86/include/asm/xsave.h | 8 -------- arch/x86/mm/mpx.c | 2 +- 3 files changed, 2 insertions(+), 10 deletions(-) diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h index b1f5dd63cfeb..95e04cb1ed2f 100644 --- a/arch/x86/include/asm/fpu-internal.h +++ b/arch/x86/include/asm/fpu-internal.h @@ -265,7 +265,7 @@ static inline void fpu_fxsave(struct fpu *fpu) static inline int fpu_save_init(struct fpu *fpu) { if (use_xsave()) { - fpu_xsave(fpu); + xsave_state(&fpu->state->xsave); /* * xsave header may indicate the init state of the FP. diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h index 61c951ce77fe..7c90ea93c54e 100644 --- a/arch/x86/include/asm/xsave.h +++ b/arch/x86/include/asm/xsave.h @@ -187,14 +187,6 @@ static inline int xrstor_state(struct xsave_struct *fx, u64 mask) } /* - * Save xstate context for old process during context switch. - */ -static inline void fpu_xsave(struct fpu *fpu) -{ - xsave_state(&fpu->state->xsave); -} - -/* * Restore xstate context for new process during context switch. */ static inline int fpu_xrstor_checking(struct xsave_struct *fx) diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c index 37ad432e7f16..412b5f81e547 100644 --- a/arch/x86/mm/mpx.c +++ b/arch/x86/mm/mpx.c @@ -389,7 +389,7 @@ int mpx_enable_management(struct task_struct *tsk) * directory into XSAVE/XRSTOR Save Area and enable MPX through * XRSTOR instruction. * - * fpu_xsave() is expected to be very expensive. Storing the bounds + * xsave_state() is expected to be very expensive. Storing the bounds * directory here means that we do not have to do xsave in the unmap * path; we can just use mm->bd_addr instead. */ -- 2.1.0