Messages in this thread | | | Date | Sat, 5 Mar 2016 17:52:34 +0100 | From | Peter Zijlstra <> | Subject | Re: [tip:mm/pkeys] mm/pkeys: Fix siginfo ABI breakage caused by new u64 field |
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On Sat, Mar 05, 2016 at 02:50:06PM +0100, Ingo Molnar wrote: > A more workable method would be to have a test .c file that includes all UAPI > structures in existence and defines a variable out of every single one, and then > generates a list of sizeof() values or so. But even that isn't perfect: a > structure might shift some fields forward, into a pre-existing hole, without > changing the sizeof? We'd need a list of all field offsets in all structures to be > really sure, and that's nasty.
pahole has such logic, right?
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