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From: Nam Cao <namcao@linutronix.de>
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To: Charlie Jenkins via B4 Relay
 <devnull+thecharlesjenkins.gmail.com@kernel.org>, Paul Walmsley
 <pjw@kernel.org>, Palmer Dabbelt <palmer@dabbelt.com>, Alexandre Ghiti
 <alex@ghiti.fr>, Anup Patel <anup@brainfault.org>, Atish Patra
 <atish.patra@linux.dev>, Conor Dooley <conor@kernel.org>, Paolo Bonzini
 <pbonzini@redhat.com>, Andrew Morton <akpm@linux-foundation.org>, Shuah
 Khan <shuah@kernel.org>
Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
 kvm@vger.kernel.org, kvm-riscv@lists.infradead.org,
 linux-kselftest@vger.kernel.org, Charlie Jenkins
 <thecharlesjenkins@gmail.com>
Subject: Re: [PATCH 04/16] riscv: kprobes: Use generated instruction headers
In-Reply-To: <20260407-riscv_insn_table-v1-4-54b4736a1e77@gmail.com>
References: <20260407-riscv_insn_table-v1-0-54b4736a1e77@gmail.com>
 <20260407-riscv_insn_table-v1-4-54b4736a1e77@gmail.com>
Date: Thu, 11 Jun 2026 08:22:41 +0200
Message-ID: <87jys5egum.fsf@yellow.woof>
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Charlie Jenkins via B4 Relay
<devnull+thecharlesjenkins.gmail.com@kernel.org> writes:
> This was again verified by checking all 32-bit values for each of these
> functions and checking that the two version have the same behavior.

Your checking is missing some cases. branch instructions and c.jr are
broken.

Btw, any chance that check can be added as a new kunit test case? I
wrote the CONFIG_RISCV_KPROBES_KUNIT, but that only tests some values.

Nam