On Thu, Apr 16, 2015 at 02:16:31PM +0200, Mateusz Guzik wrote:
> @@ -165,8 +165,10 @@ static int expand_fdtable(struct files_struct *files,
> int nr)
> cur_fdt = files_fdtable(files);
> if (nr >= cur_fdt->max_fds) {
> /* Continue as planned */
> + write_seqcount_begin(&files->fdt_seqcount);
> copy_fdtable(new_fdt, cur_fdt);
> rcu_assign_pointer(files->fdt, new_fdt);
> + write_seqcount_end(&files->fdt_seqcount);
> if (cur_fdt != &files->fdtab)
> call_rcu(&cur_fdt->rcu, free_fdtable_rcu);
Interesting. AFAICS, your test doesn't step anywhere near that path,
does it? So basically you never hit the retries during that...
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
