On 00:03 Sat 04 Apr , Zhang Le wrote: > On 22:53 Fri 03 Apr , wu zhangjin wrote: > > On Fri, Apr 3, 2009 at 10:11 PM, Zhang Le <r0bertz@xxxxxxxxxx> wrote: > > > On 20:51 Fri 03 Apr , wu zhangjin wrote: > > >> okay, please check the attachment, thx! > > >> > > >> including: > > >> > > >> 1. add the HAVE_FUNCTION_TRACE_MCOUNT_TEST line in arch/mips/Kconfig > > >> 2. remove the useless registers save & restore operation in mcount.S > > >> 3. and add a "notrace" flag to tick_do_update_jiffies64 to avoid the > > >> nmi exception problem. > > > > > > Have you tested the latest patch? Any working .config file? > > > I just tested it, seems can't boot. > > > > yes, i have tested it on qemu/malta, the attachment include a > > configuration & an init ram fs: initrd.gz > > > > boot it: > > > > $ qemu-system-mipsel -kernel vmlinux-qemu-malta-ftrace -initrd > > qemu-malta-initrd.gz -append "root=/dev/ram0 init=/bin/sh > > console=ttyS0 ramdisk_size=3000" -nographic -M malta -hda /dev/zero > > > > and also, i just test it on loongson2f(fuloong 6003) with the > > configuration file: defconfig-fl-rt-ftrace, but configured only as > > serial port debugging mode via a minicom, so, you need to add the > > other kernel modules if not have a serial > > port :-( > > I will check whether there is any difference between the config caused the > problem. Still no luck. Maybe you are using a different loongson 2f patchset, not the one in my git tree. I know lemote has a to-mips branch, maybe you are using that? I tried to merged it with my tree yesterday, but haven't finished yet. Anyway, would you please show me the whole source you are using? Thanks! Zhang, Le http://zhangle.is-a-geek.org > > At the meantime, would you please try my git tree, to see if it works? > > Thanks! > > Zhang, Le > http://zhangle.is-a-geek.org > > > > > > > > > I have pushed the patch, along with my fix, to my git tree, so that > > > the patch could be further polished. It is in linux-2.6.29-stable-ftrace branch. > > > > > > http://repo.or.cz/w/linux-2.6/linux-loongson.git > > > > > > BTW, it seems linux-mips@xxxxxxxxxxxxxxx is not an alias of > > > linux-mips@xxxxxxxxxxxxxx, since I haven't seen our previous emails appear in > > > linux-mips ML's archive. So I have added linux-mips@xxxxxxxxxxxxxx to CC list. > > > > > > > ooh, it's my fault :-) linux-mips@xxxxxxxxxxxxxx is the right one~~ > > > > > When this patch is more ready to be included, we'd better include LKML in CC > > > list, too. Because there are more ftrace gurus which could give advices to this > > > patch. > > > > > > Zhang, Le > > > http://zhangle.is-a-geek.org > > > > > >> > > > > -- > > Studying engineer. Wu Zhangjin > > Lanzhou University http://www.lzu.edu.cn > > Distributed & Embedded System Lab http://dslab.lzu.edu.cn > > School of Information Science and Engeneering http://xxxy.lzu.edu.cn > > wuzhangjin@xxxxxxxxx http://falcon.oss.lzu.edu.cn > > Address:Tianshui South Road 222,Lanzhou,P.R.China Zip Code:730000 > > Tel:+86-931-8912025 > > > > > >
