Re: [PATCH bpf] s390/bpf: Use bcr 0,%0 as tail call nop filler

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Subject: Re: [PATCH bpf] s390/bpf: Use bcr 0,%0 as tail call nop filler
From: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Date: Tue, 2 Jun 2020 22:36:37 +0200
Cc: bpf@xxxxxxxxxxxxxxx, Heiko Carstens <heiko.carstens@xxxxxxxxxx>, Vasily Gorbik <gor@xxxxxxxxxxxxx>, Sumanth Korikkar <sumanthk@xxxxxxxxxxxxx>
In-reply-to: <20200602174555.2501389-1-iii@linux.ibm.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2

On 6/2/20 7:45 PM, Ilya Leoshkevich wrote:

Currently used 0x0000 filler confuses bfd disassembler, making bpftool
prog dump xlated output nearly useless. Fix by using a real instruction.

Signed-off-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>


Applied, thanks!

References:
- [PATCH bpf] s390/bpf: Use bcr 0,%0 as tail call nop filler
  - From: Ilya Leoshkevich

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