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SubjectRe: Linux 3.15-rc6
On 05/22/2014 05:43 PM, Linus Torvalds wrote:
> Miklos,
>
> this is from your commit 18e480aa07f78 ("parisc: add renameat2
> syscall") which was acked by Helge Deller:
>
> On Thu, May 22, 2014 at 10:20 AM, Guenter Roeck <linux@roeck-us.net> wrote:
>>
>> Unfortunately it appears that the parisc changes cause build failures
>> with parisc 64 bit builds.
>>
>> Building parisc:a500_defconfig ... failed
>> Building parisc:generic-64bit_defconfig ... failed
>>
>> Error log:
>> arch/parisc/kernel/built-in.o: In function `sys_call_table':
>> (.rodata+0xad0): undefined reference to `compat_sys_renameat2'
>> make: *** [vmlinux] Error 1
>
> only s390 seems to need a compat wrapper, and s390 is kind of odd in
> many respects, so I suspect renameat2 should just use ENTRY_SAME() on
> parisc, but without any way to *test* it I won't apply the patch.
>
> Guenter, I assume that changing the
>
> ENTRY_COMP(renameat2)
>
> line in arch/parisc/kernel/syscall_table.S to use ENTRY_SAME() at
> least fixes the compile error?
>

Yes, it fixes the build error for parisc64, and parisc (32 bit) still builds.

Guenter



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