x86/entry: Refactor SYSCALL_DEFINE0 macros

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Pull the common code out from the SYSCALL_DEFINE0 macros into a new
__SYS_STUB0 macro.  Also conditionalize the X64 version in preparation for
enabling syscall wrappers on 32-bit native kernels.

Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Link: https://lkml.kernel.org/r/20200313195144.164260-3-brgerst@gmail.com

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Brian Gerst 2020-03-13 15:51:28 -04:00 • committed by Thomas Gleixner

parent 4399e0cf49

commit d2b5de495e

1 changed files with 32 additions and 41 deletions

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arch/x86/include/asm/syscall_wrapper.h

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