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[PATCH] powerpc: Merge futex.h

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This patch merges the ppc32 and ppc64 versions of futex.h, essentially
by taking the ppc64 version as the powerpc version.  The old ppc32
version did not implement the futex_atomic_op_inuser() callback (it
always returned -ENOSYS), so FUTEX_WAKE_OP would not work on ppc32.
In fact the ppc64 version of this function is almost suitable for
ppc32 as well - the only change needed is to extend ppc_asm.h with a
macro expanding to to the right pseudo-op to store a pointer (either
".long" or ".llong").

Built and booted on pSeries.  Built for 32-bit powermac.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
David Gibson
2005-11-02 13:58:22 +11:00
committed by Paul Mackerras
parent 847aeb6bad
commit 2ff2ae7a0d
3 changed files with 30 additions and 75 deletions
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include/asm-powerpc/ppc_asm.h
+7
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@@ -506,6 +506,13 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
#else
#define __ASM_CONST(x) x##UL
#define ASM_CONST(x) __ASM_CONST(x)
#ifdef CONFIG_PPC64
#define DATAL ".llong"
#else
#define DATAL ".long"
#endif
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_PPC_ASM_H */