From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f198.google.com (mail-wr0-f198.google.com [209.85.128.198]) by kanga.kvack.org (Postfix) with ESMTP id 4C8D56B0007 for ; Fri, 16 Mar 2018 15:30:01 -0400 (EDT) Received: by mail-wr0-f198.google.com with SMTP id w19so2994888wra.20 for ; Fri, 16 Mar 2018 12:30:01 -0700 (PDT) Received: from theia.8bytes.org (8bytes.org. [2a01:238:4383:600:38bc:a715:4b6d:a889]) by mx.google.com with ESMTPS id m4si1601037ede.408.2018.03.16.12.29.59 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 16 Mar 2018 12:29:59 -0700 (PDT) From: Joerg Roedel Subject: [PATCH 01/35] x86/asm-offsets: Move TSS_sp0 and TSS_sp1 to asm-offsets.c Date: Fri, 16 Mar 2018 20:29:19 +0100 Message-Id: <1521228593-3820-2-git-send-email-joro@8bytes.org> In-Reply-To: <1521228593-3820-1-git-send-email-joro@8bytes.org> References: <1521228593-3820-1-git-send-email-joro@8bytes.org> Sender: owner-linux-mm@kvack.org List-ID: To: Thomas Gleixner , Ingo Molnar , "H . Peter Anvin" Cc: x86@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Linus Torvalds , Andy Lutomirski , Dave Hansen , Josh Poimboeuf , Juergen Gross , Peter Zijlstra , Borislav Petkov , Jiri Kosina , Boris Ostrovsky , Brian Gerst , David Laight , Denys Vlasenko , Eduardo Valentin , Greg KH , Will Deacon , aliguori@amazon.com, daniel.gruss@iaik.tugraz.at, hughd@google.com, keescook@google.com, Andrea Arcangeli , Waiman Long , Pavel Machek , jroedel@suse.de, joro@8bytes.org From: Joerg Roedel These offsets will be used in 32 bit assembly code as well, so make them available for all of x86 code. Signed-off-by: Joerg Roedel --- arch/x86/kernel/asm-offsets.c | 4 ++++ arch/x86/kernel/asm-offsets_64.c | 2 -- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c index 76417a9..232152c 100644 --- a/arch/x86/kernel/asm-offsets.c +++ b/arch/x86/kernel/asm-offsets.c @@ -103,4 +103,8 @@ void common(void) { OFFSET(CPU_ENTRY_AREA_entry_trampoline, cpu_entry_area, entry_trampoline); OFFSET(CPU_ENTRY_AREA_entry_stack, cpu_entry_area, entry_stack_page); DEFINE(SIZEOF_entry_stack, sizeof(struct entry_stack)); + + /* Offset for sp0 and sp1 into the tss_struct */ + OFFSET(TSS_sp0, tss_struct, x86_tss.sp0); + OFFSET(TSS_sp1, tss_struct, x86_tss.sp1); } diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c index bf51e51..d2eba73 100644 --- a/arch/x86/kernel/asm-offsets_64.c +++ b/arch/x86/kernel/asm-offsets_64.c @@ -65,8 +65,6 @@ int main(void) #undef ENTRY OFFSET(TSS_ist, tss_struct, x86_tss.ist); - OFFSET(TSS_sp0, tss_struct, x86_tss.sp0); - OFFSET(TSS_sp1, tss_struct, x86_tss.sp1); BLANK(); #ifdef CONFIG_CC_STACKPROTECTOR -- 2.7.4