Re: [PATCH 1/2] kernel/bpf: change "char *" string form to "char []"

[Daniel Borkmann]

On 5/12/22 7:08 PM, liqiong wrote:
> 在 2022年05月12日 23:16, Yonghong Song 写道:
> > On 5/12/22 7:28 AM, liqiong wrote:
> > > The string form of "char []" declares a single variable. It is better
> > > than "char *" which creates two variables.
> >
> > Could you explain in details about why it is better in generated codes?
> > It is not clear to me why your patch is better than the original code.
>
> The  string form of "char *" creates two variables in the final assembly output,
> a static string, and a char pointer to the static string.  Use  "objdump -S -D  *.o",
> can find out the static string  occurring  at "Contents of section .rodata".

There are ~360 instances of this type in the tree from a quick grep, do you
plan to convert all them ?

Thanks,
Daniel