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arm64: introduce syscall_fn_t
authorMark Rutland <mark.rutland@arm.com>
Wed, 11 Jul 2018 13:56:42 +0000 (14:56 +0100)
committerWill Deacon <will.deacon@arm.com>
Thu, 12 Jul 2018 13:40:39 +0000 (14:40 +0100)
commit27d83e68f307ee55b70fdfdc7a9ba3f25f276189
tree3e2db6811a0af538dd88b40381e5a63b26f5327c
parent3085e1645e23888125224f66a710077cdb03106a
arm64: introduce syscall_fn_t

In preparation for invoking arbitrary syscalls from C code, let's define
a type for an arbitrary syscall, matching the parameter passing rules of
the AAPCS.

There should be no functional change as a result of this patch.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
arch/arm64/include/asm/syscall.h
arch/arm64/kernel/sys.c
arch/arm64/kernel/sys32.c