From: Madhavan Srinivasan <maddy@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org, adubey@linux.ibm.com
Cc: hbathini@linux.ibm.com, bpf@vger.kernel.org, ast@kernel.org,
andrii@kernel.org, daniel@iogearbox.net, shuah@kernel.org,
linux-kselftest@vger.kernel.org,
Venkat Rao Bagalkote <venkat88@linux.ibm.com>
Subject: Re: [PATCH v7 1/2] powerpc64/bpf: Implement JIT support for private stack
Date: Wed, 8 Apr 2026 09:58:13 +0530 [thread overview]
Message-ID: <177562236435.1381144.14761242301174081744.b4-ty@linux.ibm.com> (raw)
In-Reply-To: <20260401103215.104438-1-adubey@linux.ibm.com>
On Wed, 01 Apr 2026 06:32:14 -0400, adubey@linux.ibm.com wrote:
> Provision the private stack as a per-CPU allocation during
> bpf_int_jit_compile(). Align the stack to 16 bytes and place guard
> regions at both ends to detect runtime stack overflow and underflow.
>
> Round the private stack size up to the nearest 16-byte boundary.
> Make each guard region 16 bytes to preserve the required overall
> 16-byte alignment. When private stack is set, skip bpf stack size
> accounting in kernel stack.
>
> [...]
Applied to powerpc/next.
[1/2] powerpc64/bpf: Implement JIT support for private stack
https://git.kernel.org/powerpc/c/156d985123b6d6e5189cfd0286b93c12167ae798
[2/2] selftests/bpf: Enable private stack tests for powerpc64
https://git.kernel.org/powerpc/c/e640bcd1bf83dbdaa967b20cd98a782d52ec89cf
cheers
prev parent reply other threads:[~2026-04-08 4:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-01 10:32 [PATCH v7 1/2] powerpc64/bpf: Implement JIT support for private stack adubey
2026-04-01 10:32 ` [PATCH v7 2/2] selftests/bpf: Enable private stack tests for powerpc64 adubey
2026-04-08 4:28 ` Madhavan Srinivasan [this message]
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