On Tue, Mar 10, 2015 at 9:42 AM, Oleg Nesterov <o...@redhat.com> wrote:
> Well, the patch looks "obviously fine" to me, but this is all I can say.
>
> I mean, I simply can't understand this __pad0/ifdef(CONFIG_X86_32), it
> looks as if ->ss was specially excluded for unknown reason from the very
> beginning.
I assume it was confusion in the very early days of x86_64. Andi?
>
> On 03/10, Andy Lutomirski wrote:
>>
>> > --- a/arch/x86/include/uapi/asm/sigcontext.h
>> > +++ b/arch/x86/include/uapi/asm/sigcontext.h
>> > @@ -179,7 +179,7 @@ struct sigcontext {
>> > __u16 cs;
>> > __u16 gs;
>> > __u16 fs;
>> > - __u16 __pad0;
>> > + __u16 ss;
>
> I do not know the rules for include/uapi/ ...
>
> OK, nobody should ever use __pad0, so probably it is safe to rename it.
> OTOH, an application can (say) try to print all members for debugging
> purposes, it won't compile after this change.
Yeah, I don't really know what the rules are.
--Andy
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