powerpc: fix build failure by disabling attribute-alias warning in pci_32
Commit 2479bfc9bc
("powerpc: Fix build by disabling attribute-alias
warning for SYSCALL_DEFINEx") forgot arch/powerpc/kernel/pci_32.c
Latest GCC version emit the following warnings
As arch/powerpc code is built with -Werror, this breaks build with
GCC 8.1
This patch inhibits this warning
In file included from arch/powerpc/kernel/pci_32.c:14:
./include/linux/syscalls.h:233:18: error: 'sys_pciconfig_iobase' alias between functions of incompatible types 'long int(long int, long unsigned int, long unsigned int)' and 'long int(long int, long int, long int)' [-Werror=attribute-alias]
asmlinkage long sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)) \
^~~
./include/linux/syscalls.h:222:2: note: in expansion of macro '__SYSCALL_DEFINEx'
__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
^~~~~~~~~~~~~~~~~
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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@ -285,6 +285,9 @@ pci_bus_to_hose(int bus)
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* Note that the returned IO or memory base is a physical address
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*/
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wpragmas"
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#pragma GCC diagnostic ignored "-Wattribute-alias"
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SYSCALL_DEFINE3(pciconfig_iobase, long, which,
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unsigned long, bus, unsigned long, devfn)
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{
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@ -310,3 +313,4 @@ SYSCALL_DEFINE3(pciconfig_iobase, long, which,
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return result;
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}
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#pragma GCC diagnostic pop
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