netdev - Re: [PATCH v4 0/8] bpf powerpc: Add BPF_PROBE

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Date:   Sat, 02 Oct 2021 02:52:58 +0530
From:   "Naveen N. Rao" <naveen.n.rao@...ux.ibm.com>
To:     ast@...nel.org, christophe.leroy@...roup.eu,
        Daniel Borkmann <daniel@...earbox.net>,
        Hari Bathini <hbathini@...ux.ibm.com>, mpe@...erman.id.au
Cc:     andrii@...nel.org, bpf@...r.kernel.org, john.fastabend@...il.com,
        kafai@...com, kpsingh@...nel.org, linuxppc-dev@...ts.ozlabs.org,
        netdev@...r.kernel.org, paulus@...ba.org, songliubraving@...com,
        yhs@...com
Subject: Re: [PATCH v4 0/8] bpf powerpc: Add BPF_PROBE_MEM support in powerpc
 JIT compiler

Daniel Borkmann wrote:
> On 9/29/21 1:18 PM, Hari Bathini wrote:
>> Patch #1 & #2 are simple cleanup patches. Patch #3 refactors JIT
>> compiler code with the aim to simplify adding BPF_PROBE_MEM support.
>> Patch #4 introduces PPC_RAW_BRANCH() macro instead of open coding
>> branch instruction. Patch #5 & #7 add BPF_PROBE_MEM support for PPC64
>> & PPC32 JIT compilers respectively. Patch #6 & #8 handle bad userspace
>> pointers for PPC64 & PPC32 cases respectively.
> 
> Michael, are you planning to pick up the series or shall we route via bpf-next?

I just posted a few fixes to the powerpc BPF JIT (*). It would be nice 
if those can be picked up for v5.15 through bpf/master or powerpc/fixes.  
If so, this series may need to be rebased to address some conflicts.  
Otherwise, I can re-post my fixes atop this.


Thanks,
Naveen

(*) https://lore.kernel.org/linuxppc-dev/cover.1633104510.git.naveen.n.rao@linux.vnet.ibm.com/T/#u