On Wed, Nov 25, 2015 at 01:51:03PM -0800, Stephen Boyd wrote: > The ARM compiler inserts calls to __aeabi_uidiv() and > __aeabi_idiv() when it needs to perform division on signed and > unsigned integers. If a processor has support for the udiv and > sdiv division instructions the calls to these support routines > can be replaced with those instructions. Therefore, record the > location of calls to these library functions into two sections > (one for udiv and one for sdiv) similar to how we trace calls to > mcount. When the kernel boots up it will check to see if the > processor supports the instructions and then patch the call sites > with the instruction. Do we have any resolution on these programs which modify the object files in-place, rather than breaking any hard-links which may be present (eg, as a result of using ccache in hard-link mode) ? -- FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net. -- 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
