Joe Perches <joe@xxxxxxxxxxx> writes: > On Fri, 2021-02-12 at 16:01 -0600, Eric W. Biederman wrote: >> Joe Perches <joe@xxxxxxxxxxx> writes: >> >> > Convert S_<FOO> permissions to the more readable octal. >> > >> > Done using: >> > $ ./scripts/checkpatch.pl -f --fix-inplace --types=SYMBOLIC_PERMS fs/proc/*.[ch] >> > >> > No difference in generated .o files allyesconfig x86-64 >> > >> > Link: >> > https://lore.kernel.org/lkml/CA+55aFw5v23T-zvDZp-MmD_EYxF8WbafwwB59934FV7g21uMGQ@xxxxxxxxxxxxxx/ >> >> >> I will be frank. I don't know what 0644 means. I can never remember >> which bit is read, write or execute. So I like symbolic constants. >> >> I don't see a compelling reason to change the existing code. > > Did you read Linus' message in the Link: above? > > It was a reply to what Ingo Molnar suggested here: > > https://lore.kernel.org/lkml/20160803081140.GA7833@xxxxxxxxx/ Only if you read in reverse chronological order. Ingo's message was in reply to Linus and it received somewhat favorable replies and was not shot down. I certainly do not see sufficient consensus to go around changing code other people maintain. My suggest has the nice property that it handles all 512 different combinations. I think that was the only real downside of Ingo's suggestion. There are just too many different combinations to define a set of macros to cover all of the cases. Eric