On Thu, 30 Nov 2017 19:22:33 -0500 Steven Rostedt <rostedt@xxxxxxxxxxx> wrote: > On Mon, 27 Nov 2017 13:34:13 -0800 > Andi Kleen <andi@xxxxxxxxxxxxxx> wrote: > > > From: Andi Kleen <ak@xxxxxxxxxxxxxxx> > > > > gcc 5 supports a new -mcount-record option to generate ftrace > > tables directly. This avoids the need to run record_mcount > > manually. > > > > Use this option when available. > > > > So far doesn't use -mcount-nop, which also exists now. > > > > This is needed to make ftrace work with LTO because the > > normal record-mcount script doesn't run over the link > > time output. > > > > It should also improve build times slightly in the general > > case. > > > > Cc: rostedt@xxxxxxxxxxx > > Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx> > > --- > > Hi Andi, > > Thanks for sending this. I'm currently trying to catch up on all the > changes that need to get into 4.15 and will be doing a bit of > traveling. > > I plan on looking at this in a week or two, and add it to the 4.16 > queue. > Looks like it I forgot to add it to the queue (actually, I remember having issues with that queue and restarted it), and this was dropped. Adding it this time for 4.18 Sorry about that. :-/ -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
