[CVE-2009-0029] powerpc: Enable syscall wrappers for 64-bit
This enables the use of syscall wrappers to do proper sign extension for 64-bit programs. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
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@ -123,6 +123,7 @@ config PPC
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select HAVE_DMA_ATTRS if PPC64
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select HAVE_DMA_ATTRS if PPC64
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select USE_GENERIC_SMP_HELPERS if SMP
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select USE_GENERIC_SMP_HELPERS if SMP
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select HAVE_OPROFILE
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select HAVE_OPROFILE
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select HAVE_SYSCALL_WRAPPERS if PPC64
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config EARLY_PRINTK
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config EARLY_PRINTK
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bool
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bool
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@ -103,8 +103,14 @@ struct old_linux_dirent;
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#define SYSCALL_DEFINE5(...) SYSCALL_DEFINEx(5, __VA_ARGS__)
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#define SYSCALL_DEFINE5(...) SYSCALL_DEFINEx(5, __VA_ARGS__)
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#define SYSCALL_DEFINE6(...) SYSCALL_DEFINEx(6, __VA_ARGS__)
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#define SYSCALL_DEFINE6(...) SYSCALL_DEFINEx(6, __VA_ARGS__)
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#ifdef CONFIG_PPC64
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#define SYSCALL_ALIAS(alias, name) \
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asm ("\t.globl " #alias "\n\t.set " #alias ", " #name "\n" \
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"\t.globl ." #alias "\n\t.set ." #alias ", ." #name)
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#else
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#define SYSCALL_ALIAS(alias, name) \
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#define SYSCALL_ALIAS(alias, name) \
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asm ("\t.globl " #alias "\n\t.set " #alias ", " #name)
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asm ("\t.globl " #alias "\n\t.set " #alias ", " #name)
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#endif
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#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
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#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
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