Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756347Ab2EHS1u (ORCPT ); Tue, 8 May 2012 14:27:50 -0400 Received: from mga01.intel.com ([192.55.52.88]:11241 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755508Ab2EHSXt (ORCPT ); Tue, 8 May 2012 14:23:49 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.71,315,1320652800"; d="scan'208";a="150637060" From: Jarkko Sakkinen To: linux-kernel@vger.kernel.org Cc: linux-kbuild@vger.kernel.org, Michal Marek , Sam Ravnborg , Joseph Cihula , Shane Wang , hpa@linux.intel.com Subject: [PATCH 10/23] x86, realmode: Move bits to the proper sections in trampoline_64.S Date: Tue, 8 May 2012 21:22:33 +0300 Message-Id: <1336501366-28617-11-git-send-email-jarkko.sakkinen@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1336501366-28617-1-git-send-email-jarkko.sakkinen@intel.com> References: <1336501366-28617-1-git-send-email-jarkko.sakkinen@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1812 Lines: 70 From: "H. Peter Anvin" Move various bits to the sections they really belong in in trampoline_64.S. Use GLOBAL() rather than ENTRY() for data objects: ENTRY() should only be used with code and forces alignment to 16 bytes. Signed-off-by: H. Peter Anvin --- arch/x86/realmode/rm/trampoline_64.S | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/arch/x86/realmode/rm/trampoline_64.S b/arch/x86/realmode/rm/trampoline_64.S index 063da00..66c58cf 100644 --- a/arch/x86/realmode/rm/trampoline_64.S +++ b/arch/x86/realmode/rm/trampoline_64.S @@ -80,6 +80,7 @@ no_longmode: jmp no_longmode #include "../kernel/verify_cpu.S" + .section ".text32","ax" .code32 .balign 4 ENTRY(startup_32) @@ -114,6 +115,7 @@ ENTRY(startup_32) */ ljmpl *(pa_startup_64_vector) + .section ".text64","ax" .code64 .balign 4 ENTRY(startup_64) @@ -123,7 +125,8 @@ ENTRY(startup_64) addl %esi, %eax jmp *%rax - # Careful these need to be in the same 64K segment as the above; + .section ".rodata","a" + .balign 16 tidt: .word 0 # idt limit = 0 .word 0, 0 # idt base = 0L @@ -153,9 +156,8 @@ startup_64_vector: .word __KERNEL_CS, 0 .data - .balign 4 -ENTRY(trampoline_status) +GLOBAL(trampoline_status) .long 0 trampoline_stack: @@ -164,7 +166,7 @@ trampoline_stack_end: .globl level3_ident_pgt .globl level3_kernel_pgt -ENTRY(trampoline_level4_pgt) +GLOBAL(trampoline_level4_pgt) level3_ident_pgt: .quad 0 .fill 510,8,0 level3_kernel_pgt: .quad 0 -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/