linux-kernel - Re: [PATCH] riscv: alternative: proceed one more instruction for auipc/jalr pair

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Message-ID: <1748643.VLH7GnMWUR@diego>
Date:   Thu, 19 Jan 2023 18:21:28 +0100
From:   Heiko Stübner <heiko@...ech.de>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Andrew Jones <ajones@...tanamicro.com>,
        linux-riscv@...ts.infradead.org
Cc:     linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Jisheng Zhang <jszhang@...nel.org>
Subject: Re: [PATCH] riscv: alternative: proceed one more instruction for auipc/jalr
 pair

Am Sonntag, 15. Januar 2023, 17:28:11 CET schrieb Jisheng Zhang:
> If we patched auipc + jalr pair, we'd better proceed one more
> instruction. Andrew pointed out "There's not a problem now, since
> we're only adding a fixup for jal, not jalr, but we should
> future-proof this and there's no reason to revisit an already fixed-up
> instruction anyway."
> 
> Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
> Suggested-by: Andrew Jones <ajones@...tanamicro.com>

Reviewed-by: Heiko Stuebner <heiko@...ech.de>