From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1040730AbdDUOR1 (ORCPT ); Fri, 21 Apr 2017 10:17:27 -0400 Received: from mx2.suse.de ([195.135.220.15]:56086 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1035662AbdDUONS (ORCPT ); Fri, 21 Apr 2017 10:13:18 -0400 From: Jiri Slaby To: mingo@redhat.com Cc: tglx@linutronix.de, hpa@zytor.com, x86@kernel.org, jpoimboe@redhat.com, linux-kernel@vger.kernel.org, Jiri Slaby Subject: [PATCH v3 21/29] x86: purgatory, start using annotations Date: Fri, 21 Apr 2017 16:12:57 +0200 Message-Id: <20170421141305.25180-21-jslaby@suse.cz> X-Mailer: git-send-email 2.12.2 In-Reply-To: <20170421141305.25180-1-jslaby@suse.cz> References: <20170421141305.25180-1-jslaby@suse.cz> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org purgatory used no annotations. So include linux/linkage.h and annotate everything: * functions by SYM_FUNC_* * data by SYM_DATA_* Signed-off-by: Jiri Slaby Cc: Thomas Gleixner Cc: Ingo Molnar Cc: "H. Peter Anvin" Cc: x86@kernel.org --- arch/x86/purgatory/entry64.S | 21 ++++++++++++--------- arch/x86/purgatory/setup-x86_64.S | 14 ++++++++------ arch/x86/purgatory/stack.S | 7 ++++--- 3 files changed, 24 insertions(+), 18 deletions(-) diff --git a/arch/x86/purgatory/entry64.S b/arch/x86/purgatory/entry64.S index d1a4291d3568..d756c53e1d60 100644 --- a/arch/x86/purgatory/entry64.S +++ b/arch/x86/purgatory/entry64.S @@ -10,13 +10,13 @@ * Version 2. See the file COPYING for more details. */ +#include + .text .balign 16 .code64 - .globl entry64, entry64_regs - -entry64: +SYM_FUNC_START(entry64) /* Setup a gdt that should be preserved */ lgdt gdt(%rip) @@ -56,10 +56,11 @@ new_cs_exit: /* Jump to the new code... */ jmpq *rip(%rip) +SYM_FUNC_END(entry64) .section ".rodata" .balign 4 -entry64_regs: +SYM_DATA_START(entry64_regs) rax: .quad 0x0 rcx: .quad 0x0 rdx: .quad 0x0 @@ -77,12 +78,12 @@ r13: .quad 0x0 r14: .quad 0x0 r15: .quad 0x0 rip: .quad 0x0 - .size entry64_regs, . - entry64_regs +SYM_DATA_END(entry64_regs) /* GDT */ .section ".rodata" .balign 16 -gdt: +SYM_DATA_START_LOCAL(gdt) /* 0x00 unusable segment * 0x08 unused * so use them as gdt ptr @@ -96,6 +97,8 @@ gdt: /* 0x18 4GB flat data segment */ .word 0xFFFF, 0x0000, 0x9200, 0x00CF -gdt_end: -stack: .quad 0, 0 -stack_init: +SYM_DATA_END_LABEL(gdt, SYM_V_LOCAL, gdt_end) + +SYM_DATA_START_LOCAL(stack) + .quad 0, 0 +SYM_DATA_END_LABEL(stack, SYM_V_LOCAL, stack_init) diff --git a/arch/x86/purgatory/setup-x86_64.S b/arch/x86/purgatory/setup-x86_64.S index dfae9b9e60b5..9f1b333c7ffd 100644 --- a/arch/x86/purgatory/setup-x86_64.S +++ b/arch/x86/purgatory/setup-x86_64.S @@ -9,14 +9,14 @@ * This source code is licensed under the GNU General Public License, * Version 2. See the file COPYING for more details. */ +#include #include .text - .globl purgatory_start .balign 16 -purgatory_start: .code64 +SYM_FUNC_START(purgatory_start) /* Load a gdt so I know what the segment registers are */ lgdt gdt(%rip) @@ -34,10 +34,12 @@ purgatory_start: /* Call the C code */ call purgatory jmp entry64 +SYM_FUNC_END(purgatory_start) .section ".rodata" .balign 16 -gdt: /* 0x00 unusable segment +SYM_DATA_START_LOCAL(gdt) + /* 0x00 unusable segment * 0x08 unused * so use them as the gdt ptr */ @@ -50,10 +52,10 @@ gdt: /* 0x00 unusable segment /* 0x18 4GB flat data segment */ .word 0xFFFF, 0x0000, 0x9200, 0x00CF -gdt_end: +SYM_DATA_END_LABEL(gdt, SYM_V_LOCAL, gdt_end) .bss .balign 4096 -lstack: +SYM_DATA_START_LOCAL(lstack) .skip 4096 -lstack_end: +SYM_DATA_END_LABEL(lstack, SYM_V_LOCAL, lstack_end) diff --git a/arch/x86/purgatory/stack.S b/arch/x86/purgatory/stack.S index 50a4147f91fb..958ffc769705 100644 --- a/arch/x86/purgatory/stack.S +++ b/arch/x86/purgatory/stack.S @@ -7,13 +7,14 @@ * Version 2. See the file COPYING for more details. */ +#include + /* A stack for the loaded kernel. * Separate and in the data section so it can be prepopulated. */ .data .balign 4096 - .globl stack, stack_end -stack: +SYM_DATA_START(stack) .skip 4096 -stack_end: +SYM_DATA_END_LABEL(stack, SYM_V_GLOBAL, stack_end) -- 2.12.2