Re: [PATCH dwarves v4 1/4] dwarf_loader: Receive per-thread data on worker threads.

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On Wed, Jan 26, 2022 at 11:20 AM Kui-Feng Lee <kuifeng@xxxxxx> wrote:
>
> Add arguments to steal and thread_exit callbacks of conf_load to
> receive per-thread data.
>
> Signed-off-by: Kui-Feng Lee <kuifeng@xxxxxx>
> ---

Please carry over acks you got on previous revisions, unless you did
some drastic changes to already acked patches.

Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>

>  btf_loader.c   | 2 +-
>  ctf_loader.c   | 2 +-
>  dwarf_loader.c | 4 ++--
>  dwarves.h      | 5 +++--
>  pahole.c       | 3 ++-
>  pdwtags.c      | 3 ++-
>  pfunct.c       | 4 +++-
>  7 files changed, 14 insertions(+), 9 deletions(-)
>
> diff --git a/btf_loader.c b/btf_loader.c
> index 7a5b16ff393e..b61cadd55127 100644
> --- a/btf_loader.c
> +++ b/btf_loader.c
> @@ -624,7 +624,7 @@ static int cus__load_btf(struct cus *cus, struct conf_load *conf, const char *fi
>          * The app stole this cu, possibly deleting it,
>          * so forget about it
>          */
> -       if (conf && conf->steal && conf->steal(cu, conf))
> +       if (conf && conf->steal && conf->steal(cu, conf, NULL))
>                 return 0;
>
>         cus__add(cus, cu);
> diff --git a/ctf_loader.c b/ctf_loader.c
> index 7c34739afdce..de6d4dbfce97 100644
> --- a/ctf_loader.c
> +++ b/ctf_loader.c
> @@ -722,7 +722,7 @@ int ctf__load_file(struct cus *cus, struct conf_load *conf,
>          * The app stole this cu, possibly deleting it,
>          * so forget about it
>          */
> -       if (conf && conf->steal && conf->steal(cu, conf))
> +       if (conf && conf->steal && conf->steal(cu, conf, NULL))
>                 return 0;
>
>         cus__add(cus, cu);
> diff --git a/dwarf_loader.c b/dwarf_loader.c
> index e30b03c1c541..bf9ea3765419 100644
> --- a/dwarf_loader.c
> +++ b/dwarf_loader.c
> @@ -2686,7 +2686,7 @@ static int cu__finalize(struct cu *cu, struct conf_load *conf)
>  {
>         cu__for_all_tags(cu, class_member__cache_byte_size, conf);
>         if (conf && conf->steal) {
> -               return conf->steal(cu, conf);
> +               return conf->steal(cu, conf, NULL);
>         }
>         return LSK__KEEPIT;
>  }
> @@ -2930,7 +2930,7 @@ static void *dwarf_cus__process_cu_thread(void *arg)
>                         goto out_abort;
>         }
>
> -       if (dcus->conf->thread_exit && dcus->conf->thread_exit() != 0)
> +       if (dcus->conf->thread_exit && dcus->conf->thread_exit(dcus->conf, NULL) != 0)
>                 goto out_abort;
>
>         return (void *)DWARF_CB_OK;
> diff --git a/dwarves.h b/dwarves.h
> index 52d162d67456..9a8e4de8843a 100644
> --- a/dwarves.h
> +++ b/dwarves.h
> @@ -48,8 +48,9 @@ struct conf_fprintf;
>   */
>  struct conf_load {
>         enum load_steal_kind    (*steal)(struct cu *cu,
> -                                        struct conf_load *conf);
> -       int                     (*thread_exit)(void);
> +                                        struct conf_load *conf,
> +                                        void *thr_data);
> +       int                     (*thread_exit)(struct conf_load *conf, void *thr_data);
>         void                    *cookie;
>         char                    *format_path;
>         int                     nr_jobs;
> diff --git a/pahole.c b/pahole.c
> index f3a51cb2fe74..f3eeaaca4cdf 100644
> --- a/pahole.c
> +++ b/pahole.c
> @@ -2799,7 +2799,8 @@ out:
>  static struct type_instance *header;
>
>  static enum load_steal_kind pahole_stealer(struct cu *cu,
> -                                          struct conf_load *conf_load)
> +                                          struct conf_load *conf_load,
> +                                          void *thr_data)
>  {
>         int ret = LSK__DELETE;
>
> diff --git a/pdwtags.c b/pdwtags.c
> index 2b5ba1bf6745..8b1d6f1c96cb 100644
> --- a/pdwtags.c
> +++ b/pdwtags.c
> @@ -72,7 +72,8 @@ static int cu__emit_tags(struct cu *cu)
>  }
>
>  static enum load_steal_kind pdwtags_stealer(struct cu *cu,
> -                                           struct conf_load *conf_load __maybe_unused)
> +                                           struct conf_load *conf_load __maybe_unused,
> +                                           void *thr_data __maybe_unused)
>  {
>         cu__emit_tags(cu);
>         return LSK__DELETE;
> diff --git a/pfunct.c b/pfunct.c
> index 5485622e639b..314915b774f4 100644
> --- a/pfunct.c
> +++ b/pfunct.c
> @@ -489,7 +489,9 @@ int elf_symtabs__show(char *filenames[])
>         return EXIT_SUCCESS;
>  }
>
> -static enum load_steal_kind pfunct_stealer(struct cu *cu, struct conf_load *conf_load __maybe_unused)
> +static enum load_steal_kind pfunct_stealer(struct cu *cu,
> +                                          struct conf_load *conf_load __maybe_unused,
> +                                          void *thr_data __maybe_unused)
>  {
>
>         if (function_name) {
> --
> 2.30.2
>



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