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From: Hari Bathini <hbathini@linux.ibm.com>
To: linuxppc-dev <linuxppc-dev@lists.ozlabs.org>
Cc: bpf@vger.kernel.org, Madhavan Srinivasan <maddy@linux.ibm.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andrii@kernel.org>,
	Saket Kumar Bhaskar <skb99@linux.ibm.com>,
	Abhishek Dubey <adubey@linux.ibm.com>,
	Venkat Rao Bagalkote <venkat88@linux.ibm.com>
Subject: [PATCH v2 0/5] powerpc64/bpf: various fixes
Date: Fri, 20 Feb 2026 12:09:28 +0530	[thread overview]
Message-ID: <20260220063933.196141-1-hbathini@linux.ibm.com> (raw)

List of fixes for powerpc64 BPF JIT:
- Patches 1 & 2 fix issues with existing powerpc64 JIT and are tagged
  for -stable.
- Patches 3 & 4 resolve issues with bpf2bpf tailcall support added
  recently.
- Patch 5 resolves an issue reported by bot+bpf-ci@kernel.org while
  adding exceptions support on powerpc64 BPF JIT.

Changes since v1:
- Addressed couple of review comments from bot+bpf-ci@kernel.org
  in patch 3 & 5.


Hari Bathini (5):
  powerpc64/bpf: do not increment tailcall count when prog is NULL
  powerpc64/bpf: fix the address returned by bpf_get_func_ip
  powerpc64/bpf: use consistent tailcall offset in trampoline
  powerpc64/bpf: remove BPF redzone protection in trampoline stack
  powerpc64/bpf: fix handling of BPF stack in exception callback

 arch/powerpc/net/bpf_jit.h        |   5 --
 arch/powerpc/net/bpf_jit_comp.c   | 118 +++++++++++++-----------------
 arch/powerpc/net/bpf_jit_comp64.c |  74 ++++++++++++-------
 3 files changed, 96 insertions(+), 101 deletions(-)

-- 
2.53.0


             reply	other threads:[~2026-02-20  6:39 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-20  6:39 Hari Bathini [this message]
2026-02-20  6:39 ` [PATCH v2 1/5] powerpc64/bpf: do not increment tailcall count when prog is NULL Hari Bathini
2026-02-21  3:40   ` Venkat Rao Bagalkote
2026-02-20  6:39 ` [PATCH v2 2/5] powerpc64/bpf: fix the address returned by bpf_get_func_ip Hari Bathini
2026-02-21  3:41   ` Venkat Rao Bagalkote
2026-02-22 12:21   ` adubey
2026-02-20  6:39 ` [PATCH v2 3/5] powerpc64/bpf: use consistent tailcall offset in trampoline Hari Bathini
2026-02-22 13:07   ` adubey
2026-03-03 13:43     ` Hari Bathini
2026-02-20  6:39 ` [PATCH v2 4/5] powerpc64/bpf: remove BPF redzone protection in trampoline stack Hari Bathini
2026-02-21  3:43   ` Venkat Rao Bagalkote
2026-02-20  6:39 ` [PATCH v2 5/5] powerpc64/bpf: fix handling of BPF stack in exception callback Hari Bathini
2026-02-23  9:03   ` adubey
2026-03-03 13:46     ` Hari Bathini
2026-02-24 12:28   ` adubey

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