From: Benjamin Berg <benjamin.b...@intel.com> The code assumes that the stub code can fit into a single page. This is unlikely to ever change, but add a link time assert instead so that there will be no hard to debug error.
Signed-off-by: Benjamin Berg <benjamin.b...@intel.com> --- arch/um/kernel/dyn.lds.S | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/um/kernel/dyn.lds.S b/arch/um/kernel/dyn.lds.S index 3385d653ebd0..dc9d9a68af55 100644 --- a/arch/um/kernel/dyn.lds.S +++ b/arch/um/kernel/dyn.lds.S @@ -178,3 +178,6 @@ SECTIONS DISCARDS } + +ASSERT(__syscall_stub_end - __syscall_stub_start <= PAGE_SIZE, + "STUB code must not be larger than one page"); -- 2.46.0
