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SubjectRe: [PATCH] x86: always use SYSCALL_DEFINE*
On 10 Mar 2018, at 20:55, Tautschnig, Michael <> wrote:
> All syscall arguments are passed in as types of the same byte size as
> unsigned long (width of full registers). Using a smaller type without a
> cast may result in losing bits of information. SYSCALL_DEFINE* introduce
> adequate type casts. All definitions of syscalls in x86 except for those
> patched here have already been using the appropriate SYSCALL_DEFINE*.

Additional context: I had previously made an attempt to ensure type
consistency of sys_ioperm as "Syscall arguments are unsigned long (full
registers)" ( I hope the new proposal
is more acceptable.


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