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selftests/rseq: Implement rseq_unqual_scalar_typeof
authorMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Tue, 27 Jun 2023 15:29:21 +0000 (11:29 -0400)
committerShuah Khan <skhan@linuxfoundation.org>
Tue, 8 Aug 2023 20:42:01 +0000 (14:42 -0600)
commitd6aaa23a2b33d81502e18dfe25ee1847b76b7bf6
tree8e9d4dce56678e2f5f881ab1b8308796573465e3tree | snapshot
parentc0d87e43a6627b7ef3dcaf4ac5fb9996e3ac31a9commit | diff
selftests/rseq: Implement rseq_unqual_scalar_typeof

Allow defining variables and perform cast with a typeof which removes
the volatile and const qualifiers.

This prevents declaring a stack variable with a volatile qualifier
within a macro, which would generate sub-optimal assembler.

This is imported from the "librseq" project.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
tools/testing/selftests/rseq/compiler.h diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git