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authorRobin Getz <rgetz@blackfin.uclinux.org>2008-02-06 04:36:26 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-06 13:41:01 -0500
commita3b81113fb6658629f4ebaabf8dd3067cd341020 (patch)
treec6823e84d410f18b110ce07726643d7dc841553d /include/asm-generic
parent0a5dcb51770be3cd0202d6b90a07996fb40130b6 (diff)
remove support for un-needed _extratext section
When passing a zero address to kallsyms_lookup(), the kernel thought it was a valid kernel address, even if it is not. This is because is_ksym_addr() called is_kernel_extratext() and checked against labels that don't exist on many archs (which default as zero). Since PPC was the only kernel which defines _extra_text, (in 2005), and no longer needs it, this patch removes _extra_text support. For some history (provided by Jon): http://ozlabs.org/pipermail/linuxppc-dev/2005-September/019734.html http://ozlabs.org/pipermail/linuxppc-dev/2005-September/019736.html http://ozlabs.org/pipermail/linuxppc-dev/2005-September/019751.html [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Jon Loeliger <jdl@freescale.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/sections.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h
index 962cad7cfbbd..8feeae1f2369 100644
--- a/include/asm-generic/sections.h
+++ b/include/asm-generic/sections.h
@@ -8,8 +8,6 @@ extern char _data[], _sdata[], _edata[];
8extern char __bss_start[], __bss_stop[]; 8extern char __bss_start[], __bss_stop[];
9extern char __init_begin[], __init_end[]; 9extern char __init_begin[], __init_end[];
10extern char _sinittext[], _einittext[]; 10extern char _sinittext[], _einittext[];
11extern char _sextratext[] __attribute__((weak));
12extern char _eextratext[] __attribute__((weak));
13extern char _end[]; 11extern char _end[];
14extern char __per_cpu_start[], __per_cpu_end[]; 12extern char __per_cpu_start[], __per_cpu_end[];
15extern char __kprobes_text_start[], __kprobes_text_end[]; 13extern char __kprobes_text_start[], __kprobes_text_end[];