'struct evsel' uses a union for the two lists. This turned out to be error prone. For example: [root@quaco ~]# perf stat --bpf-prog 5246 Error: cpu-clock event does not have sample flags 66c660 failed to set filter "(null)" on event cpu-clock with 2 (No such file or directory) [root@quaco ~]# perf stat --bpf-prog 5246 Fix this issue by separating the two lists. Fixes: 56ec9457a4a20c5e ("perf bpf filter: Implement event sample filtering") Signed-off-by: Song Liu <song@kernel.org> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: kernel-team@meta.com Link: https://lore.kernel.org/r/20230519235757.3613719-1-song@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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