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ppc: fix AT_VECTOR_SIZE on arch/ppc

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Commit 4f9a58d75b ("increase
AT_VECTOR_SIZE to terminate saved_auxv properly") changes the size of
AT_VECTOR_SIZE from hard coded '44' to a calculation based on the value
of AT_VECTOR_SIZE_ARCH and AT_VECTOR_SIZE_BASE.

The change works for arch/powerpc, but it breaks arch/ppc because the
needed AT_VECTOR_SIZE_ARCH is not present in include/asm-ppc/system.h
and a default value of 0 is used instead.  This results in
AT_VECTOR_SIZE being too small and it causes a kernel crash on loading
init.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Grant Likely 2007-10-22 16:38:32 -06:00 committed by Linus Torvalds
parent 527da38d33
commit 3650b0a304
1 changed files with 1 additions and 0 deletions
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1
include/asm-ppc/system.h
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@ -33,6 +33,7 @@
#define set_mb(var, value) do { var = value; mb(); } while (0)
#define AT_VECTOR_SIZE_ARCH 6 /* entries in ARCH_DLINFO */
#ifdef CONFIG_SMP
#define smp_mb() mb()
#define smp_rmb() rmb()