From: Tim Abbott <tabbott@MIT.EDU>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: Linux kernel mailing list <linux-kernel@vger.kernel.org>,
Anders Kaseorg <andersk@MIT.EDU>, Waseem Daher <wdaher@MIT.EDU>,
Denys Vlasenko <vda.linux@googlemail.com>,
Jeff Arnold <jbarnold@MIT.EDU>, Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>, Tim Abbott <tabbott@MIT.EDU>
Subject: [PATCH 02/11] x86: Use section .data.page_aligned for the idt_table.
Date: Thu, 30 Apr 2009 20:01:29 -0400 [thread overview]
Message-ID: <1241136098-10376-3-git-send-email-tabbott@mit.edu> (raw)
In-Reply-To: <1241136098-10376-2-git-send-email-tabbott@mit.edu>
The .data.idt section is just squashed into the .data.page_aligned
output section by the linker script anyway, so it might as well be in
the .data.page_aligned section.
This eliminates all references to .data.idt on x86.
Signed-off-by: Tim Abbott <tabbott@mit.edu>
Cc: Ingo Molnar <mingo@redhat.com>
---
arch/x86/kernel/traps.c | 6 ++----
arch/x86/kernel/vmlinux.lds.S | 1 -
2 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index a1d2883..d7affb7 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -73,11 +73,9 @@ char ignore_fpu_irq;
/*
* The IDT has to be page-aligned to simplify the Pentium
- * F0 0F bug workaround.. We have a special link segment
- * for this.
+ * F0 0F bug workaround.
*/
-gate_desc idt_table[256]
- __attribute__((__section__(".data.idt"))) = { { { { 0, 0 } } }, };
+gate_desc idt_table[256] __page_aligned_data = { { { { 0, 0 } } }, };
#endif
DECLARE_BITMAP(used_vectors, NR_VECTORS);
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 10edb97..037df73 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -131,7 +131,6 @@ SECTIONS
. = ALIGN(PAGE_SIZE);
.data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
*(.data.page_aligned)
- *(.data.idt)
}
#ifdef CONFIG_X86_32
--
1.6.2.1
next prev parent reply other threads:[~2009-05-01 0:12 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-01 0:01 [PATCH 00/11] section name cleanup for x86 Tim Abbott
2009-05-01 0:01 ` [PATCH 01/11] x86: Use macros for .bss.page_aligned section Tim Abbott
2009-05-01 0:01 ` Tim Abbott [this message]
2009-05-01 0:01 ` [PATCH 03/11] x86: Use macros for .data.page_aligned Tim Abbott
2009-05-01 0:01 ` [PATCH 04/11] x86: convert compressed loader to use __HEAD and HEAD_TEXT macros Tim Abbott
2009-05-01 0:01 ` [PATCH 05/11] x86: convert " Tim Abbott
2009-05-01 0:01 ` [PATCH 06/11] x86: use NOSAVE_DATA macro for .data.nosave section Tim Abbott
2009-05-01 0:01 ` [PATCH 07/11] x86: use new macro for .data.cacheline_aligned section Tim Abbott
2009-05-01 0:01 ` [PATCH 08/11] x86: use new macros for .data.init_task Tim Abbott
2009-05-01 0:01 ` [PATCH 09/11] x86: fix fragile computation of vsyscall address Tim Abbott
2009-05-01 0:01 ` [PATCH 10/11] x86: use new macro for .data.read_mostly section Tim Abbott
2009-05-01 0:01 ` [PATCH 11/11] x86: convert to new generic read_mostly support Tim Abbott
2009-05-06 16:19 ` [PATCH 03/11] x86: Use macros for .data.page_aligned H. Peter Anvin
2009-05-01 11:58 ` [PATCH 00/11] section name cleanup for x86 Ingo Molnar
2009-05-01 12:07 ` Sam Ravnborg
2009-05-01 15:34 ` Ingo Molnar
2009-05-01 16:31 ` H. Peter Anvin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1241136098-10376-3-git-send-email-tabbott@mit.edu \
--to=tabbott@mit.edu \
--cc=andersk@MIT.EDU \
--cc=hpa@zytor.com \
--cc=jbarnold@MIT.EDU \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=sam@ravnborg.org \
--cc=tglx@linutronix.de \
--cc=vda.linux@googlemail.com \
--cc=wdaher@MIT.EDU \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®