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7248e308a5
On ARM64, automatically record the link register if the frame pointer mode is on. It will be used to do a dwarf unwind to find the caller of the leaf frame if the frame pointer was omitted. Reviewed-by: James Clark <james.clark@arm.com> Signed-off-by: Alexandre Truong <alexandre.truong@arm.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: John Garry <john.garry@huawei.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Will Deacon <will@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20211217154521.80603-2-german.gomez@arm.com Signed-off-by: German Gomez <german.gomez@arm.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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