[PATCH] x86/entry: Fix kernel-doc warning

[Daniel Sneddon]

The function do_int80_emulation() is missing a kernel-doc formatted
description of its argument. This is causing a warning when building
with W=1. Add a brief description of the argument to satisfy
kernel-doc.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202412131236.a5HhOqXo-lkp@xxxxxxxxx/
Signed-off-by: Daniel Sneddon <daniel.sneddon@xxxxxxxxxxxxxxx>
---
 arch/x86/entry/common.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c
index 94941c5a10ac..913d1944a748 100644
--- a/arch/x86/entry/common.c
+++ b/arch/x86/entry/common.c
@@ -190,6 +190,7 @@ static __always_inline bool int80_is_external(void)
 
 /**
  * do_int80_emulation - 32-bit legacy syscall C entry from asm
+ * @regs: syscall arguments in pt_args struct on the stack.
  *
  * This entry point can be used by 32-bit and 64-bit programs to perform
  * 32-bit system calls.  Instances of INT $0x80 can be found inline in
-- 
2.25.1