Re: [PATCH v2] bpf: s390: add JIT support for bpf line info

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Hi, Ilya!

>>>>> On Fri, 30 Aug 2019 13:39:19 +0200, Ilya Leoshkevich  wrote:

 >> Am 29.08.2019 um 22:02 schrieb Yauheni Kaliuta <yauheni.kaliuta@xxxxxxxxxx>:
 >> 
 >> This adds support for generating bpf line info for JITed programs
 >> like commit 6f20c71d8505 ("bpf: powerpc64: add JIT support for bpf
 >> line info") does for powerpc, but it should pass the array starting
 >> from 1 like x86, see commit 7c2e988f400e ("bpf: fix x64 JIT code
 >> generation for jmp to 1st insn".
 >> 
 >> That fixes test_btf.
 >> 
 >> Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@xxxxxxxxxx>
 >> ---
 >> 
 >> The patch is on top of "bpf: s390: add JIT support for multi-function
 >> programs"
 >> 
 >> V1-> V1:
 >> 
 >> - pass address array starting from element 1.
 >> 
 >> ---
 >> arch/s390/net/bpf_jit_comp.c | 1 +
 >> 1 file changed, 1 insertion(+)
 >> 
 >> diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
 >> index b6801d854c77..ce88211b9c6c 100644
 >> --- a/arch/s390/net/bpf_jit_comp.c
 >> +++ b/arch/s390/net/bpf_jit_comp.c
 >> @@ -1420,6 +1420,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *fp)
 fp-> jited_len = jit.size;
 >> 
 >> if (!fp->is_func || extra_pass) {
 >> +		bpf_prog_fill_jited_linfo(fp, jit.addrs + 1);
 >> free_addrs:
 >> kfree(jit.addrs);
 >> kfree(jit_data);
 >> -- 
 >> 2.22.0
 >> 

 > Checkpatch complains about the missing ")" at the end of
 > 7c2e988f400e commit description. With that fixed:

Huh, looks like I did not run checkpatch after the very last
editing :((

Thanks! Just a moment

 > Acked-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>
 > Tested-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>

 > Thanks!

-- 
WBR,
Yauheni Kaliuta



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