[PATCH v2 9/9] x86: move _stext marker to before head code

When core_kernel_text() is used to determine whether an address on a task's stack trace is a kernel text address, it incorrectly returns false for early text addresses for the head code between the _text and _stext markers. Among other things, this can cause the unwinder to behave incorrectly

[PATCH v2 9/9] x86: move _stext marker to before head code

When core_kernel_text() is used to determine whether an address on a task's stack trace is a kernel text address, it incorrectly returns false for early text addresses for the head code between the _text and _stext markers. Among other things, this can cause the unwinder to behave incorrectly