Re: kernel/bpf/core.o: warning: objtool: ___bpf_prog_run.cold()+0x7: call without frame pointer save/setup

2019-08-27 Thread Josh Poimboeuf
for > >> ___bpf_prog_run()"), > >> We have got the following warning, > >> kernel/bpf/core.o: warning: objtool: ___bpf_prog_run.cold()+0x7: call > >> without frame pointer save/setup > >> > >> If reverting the above commit, we will

Re: kernel/bpf/core.o: warning: objtool: ___bpf_prog_run.cold()+0x7: call without frame pointer save/setup

2019-08-26 Thread He Zhe
ing, >> kernel/bpf/core.o: warning: objtool: ___bpf_prog_run.cold()+0x7: call >> without frame pointer save/setup >> >> If reverting the above commit, we will get the following warning, >> kernel/bpf/core.o: warning: objtool: ___bpf_prog_run()+0x8b9: sibling call >> from callable

Re: kernel/bpf/core.o: warning: objtool: ___bpf_prog_run.cold()+0x7: call without frame pointer save/setup

2019-08-26 Thread Josh Poimboeuf
On Mon, Aug 26, 2019 at 10:42:53PM +0800, He Zhe wrote: > Hi All, > > Since 3193c0836f20 ("bpf: Disable GCC -fgcse optimization for > ___bpf_prog_run()"), > We have got the following warning, > kernel/bpf/core.o: warning: objtool: ___bpf_prog_run.cold()+0x7: call w

Re: kernel/bpf/core.o: warning: objtool: ___bpf_prog_run.cold()+0x7: call without frame pointer save/setup

2019-08-26 Thread Greg KH
On Mon, Aug 26, 2019 at 10:42:53PM +0800, He Zhe wrote: > Hi All, > > Since 3193c0836f20 ("bpf: Disable GCC -fgcse optimization for > ___bpf_prog_run()"), > We have got the following warning, > kernel/bpf/core.o: warning: objtool: ___bpf_prog_run.cold()+0x7: call w

kernel/bpf/core.o: warning: objtool: ___bpf_prog_run.cold()+0x7: call without frame pointer save/setup

2019-08-26 Thread He Zhe
Hi All, Since 3193c0836f20 ("bpf: Disable GCC -fgcse optimization for ___bpf_prog_run()"), We have got the following warning, kernel/bpf/core.o: warning: objtool: ___bpf_prog_run.cold()+0x7: call without frame pointer save/setup If reverting the above commit, we will get the followi