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From:   =?utf-8?B?QmrDtnJuIFTDtnBlbA==?= <bjorn@kernel.org>
To:     =?utf-8?Q?Cl=C3=A9ment_L=C3=A9ger?= <cleger@rivosinc.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>
Cc:     =?utf-8?Q?Cl=C3=A9ment_L=C3=A9ger?= <cleger@rivosinc.com>,
        Atish Patra <atishp@rivosinc.com>,
        Andrew Jones <ajones@ventanamicro.com>,
        Evan Green <evan@rivosinc.com>,
        =?utf-8?Q?Bj=C3=B6rn?= Topel <bjorn@rivosinc.com>,
        linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
        Ron Minnich <rminnich@gmail.com>,
        Daniel Maslowski <cyrevolt@googlemail.com>,
        Conor Dooley <conor@kernel.org>
Subject: Re: [PATCH v2 8/8] riscv: add support for PR_SET_UNALIGN and
 PR_GET_UNALIGN
In-Reply-To: <20231004151405.521596-9-cleger@rivosinc.com>
References: <20231004151405.521596-1-cleger@rivosinc.com>
 <20231004151405.521596-9-cleger@rivosinc.com>
Date:   Wed, 04 Oct 2023 19:19:03 +0200
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Cl=C3=A9ment L=C3=A9ger <cleger@rivosinc.com> writes:

> Now that trap support is ready to handle misalignment errors in S-mode,
> allow the user to control the behavior of misaligned accesses using
> prctl(PR_SET_UNALIGN). Add an align_ctl flag in thread_struct which
> will be used to determine if we should SIGBUS the process or not on
> such fault.
>
> Signed-off-by: Cl=C3=A9ment L=C3=A9ger <cleger@rivosinc.com>

Reviewed-by: Bj=C3=B6rn T=C3=B6pel <bjorn@rivosinc.com>