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Merge commit 'f4bcd8ccddb02833340652e9f46f5127828eb79d' into x86/build

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Bring in upstream merge of x86/kaslr for future patches.

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
H. Peter Anvin
2014-01-29 09:07:00 -08:00
parent 9b3965f740 f4bcd8ccdd
commit 4064e0ea3c
1223 changed files with 31228 additions and 13690 deletions
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20
arch/x86/tools/relocs.c
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@@ -722,15 +722,25 @@ static void percpu_init(void)
/*
* Check to see if a symbol lies in the .data..percpu section.
* For some as yet not understood reason the "__init_begin"
* symbol which immediately preceeds the .data..percpu section
* also shows up as it it were part of it so we do an explict
* check for that symbol name and ignore it.
*
* The linker incorrectly associates some symbols with the
* .data..percpu section so we also need to check the symbol
* name to make sure that we classify the symbol correctly.
*
* The GNU linker incorrectly associates:
* __init_begin
* __per_cpu_load
*
* The "gold" linker incorrectly associates:
* init_per_cpu__irq_stack_union
* init_per_cpu__gdt_page
*/
static int is_percpu_sym(ElfW(Sym) *sym, const char *symname)
{
return (sym->st_shndx == per_cpu_shndx) &&
strcmp(symname, "__init_begin");
strcmp(symname, "__init_begin") &&
strcmp(symname, "__per_cpu_load") &&
strncmp(symname, "init_per_cpu_", 13);
}