On Wed, Oct 28, 2015 at 04:16:19AM -0400, Steven Rostedt wrote: > On Wed, 28 Oct 2015 16:04:05 +0800 > Li Bin <huawei.li...@huawei.com> wrote: > > > By now, the recordmcount only records the function that in > > following sections: > > .text/.ref.text/.sched.text/.spinlock.text/.irqentry.text/ > > .kprobes.text/.text.unlikely > > > > For the function that not in these sections, the call mcount > > will be in place and not be replaced when kernel boot up. And > > it will bring performance overhead, such as do_mem_abort (in > > .exception.text section). This patch make the call mcount to > > nop for this case in recordmcount. > > I can take this in my tree with an Ack from the ARM64 maintainers.
Looks like it does what it says on the tin: Acked-by: Will Deacon <will.dea...@arm.com> Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
