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70b27c756f
The default breakpoint length is "sizeof(long)" however this is incorrect on platforms like Aarch64 where sizeof(long) is 8 but the breakpoint length is 4. Add a helper function that can be used to determine the correct breakpoint length, in this change it just returns the existing default sizeof(long) value. Use the helper in the bp_account test so that, when modifying the event from a watchpoint to a breakpoint, the breakpoint length is appropriate for the architecture and not just sizeof(long). Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: Chaitanya S Prakash <chaitanyas.prakash@arm.com> Cc: Colin Ian King <colin.i.king@gmail.com> Cc: Dominique Martinet <asmadeus@codewreck.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@linaro.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Junhao He <hejunhao3@huawei.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Yang Jihong <yangjihong@bytedance.com> Link: https://lore.kernel.org/r/20240904050606.752788-5-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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