From: hpa@zytor.com (H. Peter Anvin)
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] more i386 head.S cleanups
Date: Thu, 15 Apr 2004 20:58:42 +0000 (UTC) [thread overview]
Message-ID: <c5mt22$vlf$1@terminus.zytor.com> (raw)
In-Reply-To: 406ECAE7.1020407@quark.didntduck.org
Followup to: <406ECAE7.1020407@quark.didntduck.org>
By author: Brian Gerst <bgerst@didntduck.org>
In newsgroup: linux.dev.kernel
>
> - Move empty_zero_page and swapper_pg_dir to BSS. This requires that
> BSS is cleared earlier, but reclaims over 3k that was lost due to page
> alignment.
> - Move stack_start, ready, and int_msg, boot_gdt_descr, idt_descr, and
> cpu_gdt_descr to .data. They were interfering with disassembly while in
> .text.
>
Some of them should be in .rodata instead of .data.
.data should only be used for modifiable numbers.
All in all these patches are a good idea; I had the same thoughts when
I was doing the changes to the boot page tables, but didn't want to
change too much at once.
-hpa
prev parent reply other threads:[~2004-04-15 21:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-03 14:32 [PATCH] more i386 head.S cleanups Brian Gerst
2004-04-03 16:02 ` Matt Mackall
2004-04-03 22:48 ` Brian Gerst
2004-04-03 23:51 ` Zwane Mwaikambo
2004-04-15 14:14 ` Coywolf Qi Hunt
2004-04-15 14:19 ` Randy.Dunlap
2004-04-15 20:58 ` H. Peter Anvin [this message]
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