Messages in this thread | | | Subject | Re: [PATCH 10/26] x86, pkeys: notify userspace about protection key faults | From | Dave Hansen <> | Date | Tue, 22 Sep 2015 13:29:56 -0700 |
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On 09/22/2015 01:27 PM, Thomas Gleixner wrote: >> > >> > So I defined all the kernel-internal types as u16 since I *know* the >> > size of the hardware. >> > >> > The user-exposed ones should probably be a bit more generic. I did just >> > realize that this is an int and my proposed syscall is a long. That I >> > definitely need to make consistent. >> > >> > Does anybody care whether it's an int or a long? > long is frowned upon due to 32/64bit. Even if that key stuff is only > available on 64bit for now ....
Well, it can be used by 32-bit apps on 64-bit kernels.
Ahh, that's why we don't see any longs in the siginfo. So does that mean 'int' is still our best bet in siginfo?
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