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Date: Sun, 11 May 2008 19:44:11 +0400 From: Cyrill Gorcunov <gorcunov@...il.com> To: Sam Ravnborg <sam@...nborg.org> Cc: "H. Peter Anvin" <hpa@...or.com>, Mikael Pettersson <mikpe@...uu.se>, Pavel Machek <pavel@....cz>, "Rafael J. Wysocki" <rjw@...k.pl>, tglx@...utronix.de, mingo@...hat.com, linux-kernel@...r.kernel.org Subject: Re: 2.6.26-rc1 on x86: ld: warning: dot moved backwards before `.text' [Sam Ravnborg - Sat, May 10, 2008 at 11:16:02PM +0200] | On Sat, May 10, 2008 at 01:25:53PM -0700, H. Peter Anvin wrote: | > Mikael Pettersson wrote: | > > | > >The resulting kernel hasn't broken on me yet, however. | > > | > >A search through the LKML archives showed that this was reported | > >for 2.6.25-rc3-mm1, but I couldn't find any discussion about it | > >after that: | > > | > ><http://marc.info/?l=linux-kernel&m=120470303728010&w=2> | > > | > >The .config causing this warning is available in | > ><http://user.it.uu.se/~mikpe/linux/ale/config-2.6.26-rc1> | > > | > | > This is because the organization of the file was changed, and the linker | > script wasn't changed to match: | > | > SECTIONS | > { | > . = HEADER_OFFSET; | > .header : { | > *(.header) | > } | > | > . = 0; | > .text : { | > *(.text*) | > } | > | > This is crap; the sections should be listed *in order* so the linker can | > warn properly when something bad happens. | > | > The code should be correct; reorganizing the linker script correctly | > should fix the problem. | | I need Pavel to comment on this. | Why we start with . equal 0x3f00 and then later as . equals 0x0000 | I dunno. | I did not look into this part of the code back then - but I should anyway | have seen this flaw in the linker script :-( | | Sam Should not it be something like --- diff --git a/arch/x86/kernel/acpi/realmode/wakeup.lds.S b/arch/x86/kernel/acpi/realmode/wakeup.lds.S index 22fab6c..cccf62d 100644 --- a/arch/x86/kernel/acpi/realmode/wakeup.lds.S +++ b/arch/x86/kernel/acpi/realmode/wakeup.lds.S @@ -12,11 +12,6 @@ ENTRY(_start) SECTIONS { - . = HEADER_OFFSET; - .header : { - *(.header) - } - . = 0; .text : { *(.text*) @@ -53,6 +48,11 @@ SECTIONS . = ALIGN(16); _end = .; + . = HEADER_OFFSET; + .header : { + *(.header) + } + /DISCARD/ : { *(.note*) } --- - Cyrill - -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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