Revert "x86/ftrace: Use alternative RET encoding"
This reverts commit e54fcb08. This temporarily reverts the backport of upstream commit 1f001e9d . It was not correct to copy the ftrace stub as it would contain a relative jump to the return thunk which would not apply to the context where it was being copied to, leading to ftrace support to be broken. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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cb69d4d6
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