On Tue, 2017-11-28 at 09:33 -0800, Linus Torvalds wrote: > On Mon, Nov 27, 2017 at 10:26 PM, Eric W. Biederman > <ebiederm@xxxxxxxxxxxx> wrote: > > > > > > Oh well, I just did /proc/<pid>/stack by making it just print 0 > > > unconditionally rather than the hex number. > > > > Patch? > > Oh, apparently I never pushed out yesterday. > > The patch literally just affects the (useless) hex number. So: > > cat /proc/self/stack > > now prints out > > [<0>] proc_pid_stack+0xaa/0x100 > [<0>] proc_single_show+0x48/0x80 > [<0>] seq_read+0xd2/0x410 > I considered getting rid of the whole "[<>]" thing, but that's where > "maybe there are tools that parse this" came in. > > I doubt there are any, though. If proc-ps doesn't look at this, I > don't know what could. But the format change might as well be a > separate thing if somebody cares deeply. Perhaps if there are really tools that parse this the [<leading-0-width>] should be kept the same too. >
