From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E4202CD98C6 for ; Thu, 11 Jun 2026 06:14:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=UxJlIai3/KF5xBhzL9s04pNZmKe9FFLP5JSax8yb1Gg=; b=4SotghKhNPPfXa ghDi//nKehmT8GLHCbFnl93l/RJmGWh7uBpf0DSykJsC19oDnm4Kbvvv/gS3+F7FbmAxcX4QiXWs1 BwqsjVveK1F+P66MWEwDA2wrPpYWoqTJXVEm6M3yPhI3++TwnmoHrJbuiTs07G7DaMEBUQeD5iGrJ 7zxtxifsH69lk9PFN7hjpiSi9KS/KK4xcFvmq9zQwSNSmpGo0pn6ZVjy2VG3t+y/D+wE2p8ipEqUo 1J5ZY3c5gTNmJ7zUPHVjW2PWnk4miaio4anwWJNjiK+1b8kghCjps97srPVlXkr3SAMZ+Lpp4tlYd DiRHRop0TqK9iuiyfKzg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wXYgT-00000008nA7-1jfp; Thu, 11 Jun 2026 06:14:33 +0000 Received: from galois.linutronix.de ([2a0a:51c0:0:12e:550::1]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wXYgR-00000008n8E-0WLE; Thu, 11 Jun 2026 06:14:32 +0000 From: Nam Cao DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1781158467; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ss4V+l8mnf5i6k0R0ef1MTFl+m/Q+uH7niX45ju74q8=; b=nC9ssiMZmnQB6q7mxt5yHOD7QsdEgPh4KOBC5Xna6Mjmncguu3o9gTtbX397mar8EeQbpq A4mrcHazAwdML7cK23gnWfcMikiz5i9mY28doaaai1hRVTJrNOjIHEfFKqicVuXERTvLxb EWqci5bzGHyn/NZmMInhQPCeWaVTfZSurfpvdMJVGyp2Y7N+qIeyHsfLmtuHk+lrjZgA/4 XLwcQHiEHteW6AgqEKOUxvo9ALYvmnjebokamnNPtWg7XGTEhWWNPNZwxtLyJ74rn+pa6u rOLAERS9eBoD2xfYVv/f9ifT1Mk2EUrBOhbN3cN1GQm3FW7Q8abOPDVBl4vV4w== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1781158467; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ss4V+l8mnf5i6k0R0ef1MTFl+m/Q+uH7niX45ju74q8=; b=92MTl0joGPKBzVCUhKureETnSLTs8TgOxwiZ2SswSn11pFUs68rtFOWFnCH8FoE4CC1xVC BCV9Js8kTIHAygDw== To: Charlie Jenkins via B4 Relay , Paul Walmsley , Palmer Dabbelt , Alexandre Ghiti , Anup Patel , Atish Patra , Conor Dooley , Paolo Bonzini , Andrew Morton , Shuah Khan 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 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 08:14:27 +0200 Message-ID: <87mrx1eh8c.fsf@yellow.woof> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260610_231431_299245_A25016FA X-CRM114-Status: UNSURE ( 3.65 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Charlie Jenkins via B4 Relay writes: > bool __kprobes simulate_c_jr(u32 opcode, unsigned long addr, struct pt_regs *regs) > { > - return simulate_c_jr_jalr(opcode, addr, regs, false); > + unsigned long next_addr; > + unsigned long *regs_ptr = (unsigned long *)regs; > + > + next_addr = regs_ptr[riscv_insn_c_jr_extract_xs1(opcode)]; > + instruction_pointer_set(regs, next_addr); > + > + regs->ra = addr + 2; c.jr does not change ra. > + return true; > } We have CONFIG_RISCV_KPROBES_KUNIT now, please try that. Nam _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv