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The concern is that having a lot of redundant fields in kunit_assert can blow up stack usage if the compiler doesn't optimize them away [1]. The comment on this field implies that it was meant to be initialized when the expect/assert was declared, but this only happens when we run kunit_do_failed_assertion(). We don't need to access it outside of that function, so move it out of the struct and make it a local variable there. This change also takes the chance to reduce the number of macros by inlining the now simplified KUNIT_INIT_ASSERT_STRUCT() macro. [1] https://groups.google.com/g/kunit-dev/c/i3fZXgvBrfA/m/VULQg1z6BAAJ Signed-off-by: Daniel Latypov <dlatypov@google.com> Reviewed-by: David Gow <davidgow@google.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
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