________________________________________ 发件人: Jonathan Rajotte-Julien <jonathan.rajotte-jul...@efficios.com> 发送时间: 2021年1月8日 0:54 收件人: Zhang, Qiang 抄送: lttng-dev 主题: Re: 回复: help modpost: "__bad_cmpxchg"
[Please note this e-mail is from an EXTERNAL e-mail address] >Hi, > >Note > The initial email was sent to the "owner" of the mailing list. Please > *always* send email to the mailing list directly: > lttng->d...@lists.lttng.org . > Otherwise we will not be interested in helping you in the future. > >Sorry forgot to ask you the following. > >What is the arm CPU you are compiling against? The more details the >more we >can >help here. > >Please provide the .config file for the kernel (via pastebin please) and >the > Hello > > Attached is the kernel configuration file > and compiler configuration file. > > bsp is xilinx-zynq (arm32, armv7), v5.10 kernel have delete > 'CONFIG_OPTIMIZE_INLINING' config option. > > Cheers Hi Can repeat this problem? Is the problem related to compilation tools? Cheers >compiler used. Mathieu Desnoyers (CompuDJ) might have a lead >regarding cmpxchg >and __bad_cmpxchg linker error trick used by the implementation and >the >optimized inlining config option (CONFIG_OPTIMIZE_INLINING). > >These should help us validate this lead. > >Cheers > >On Thu, Jan 07, 2021 at 01:20:54AM +0000, Zhang, Qiang wrote: > > > ________________________________________ > 发件人: Jonathan Rajotte-Julien <jonathan.rajotte-jul...@efficios.com> > 发送时间: 2021年1月6日 23:03 > 收件人: Zhang, Qiang > 抄送: lttng-dev-ow...@lists.lttng.org > 主题: Re: help modpost: "__bad_cmpxchg" > > [Please note this e-mail is from an EXTERNAL e-mail address] > > >Hi, > > > >What the kernel version are you compiling against? > > > kernel version 5.10.2 > lttng-modules master branch commit : > 61e631e93e512b636ea6d52796bcce1c485a551b > > Cheers > > > > >Cheers > > > >On Wed, Jan 06, 2021 at 05:20:06AM +0000, Zhang, Qiang wrote: > > > > > > The following error occurred when I compiled lttng modules under armv7 > > architecture > > > > ERROR: modpost: "__bad_cmpxchg" > > [/buildarea1/OnDemand_CI_Build_World/build_dir/12251727-build_world/xilinx-zynq-standard-std-OE/build/tmp-glibc/work/xilinx_zynq-wrs-linux-gnueabi/lttng-modules/2.12.3+gitAUTOINC+61e631e93e-r0/git/src/lttng-counter-client-percpu-64-modular.ko] > > undefined! > > > > ERROR: modpost: "__bad_cmpxchg" > > [/buildarea1/OnDemand_CI_Build_World/build_dir/12251727-build_world/xilinx-zynq-standard-std-OE/build/tmp-glibc/work/xilinx_zynq-wrs-linux-gnueabi/lttng-modules/2.12.3+gitAUTOINC+61e631e93e-r0/git/src/lttng-counter-client-percpu-32-modular.ko] > > undefined! > > > > I find under the condition of > > > > COUNTER_SIZE_32_BIT, cmpxchg_local function trigger error in > > counter-api.h file. > > > > is cmpxchg_local is support in amv7? > > -- > Jonathan Rajotte-Julien > EfficiOS -- Jonathan Rajotte-Julien EfficiOS _______________________________________________ lttng-dev mailing list lttng-dev@lists.lttng.org https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev