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 92858C43458 for ; Mon, 6 Jul 2026 02:22:00 +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:References:In-Reply-To: Message-ID:Date: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=4JV+bC1DmaxpkzWYmS0qmztBEVGMtJzsiQSqR4cUsuo=; b=Fa6cYsvouWjPPl HM7IoFzHSeRglk/xu3XeeoQTPAzNIM+XMa3u+Lm0rtlJPSoaQQCSvhlzspChYpEkss18KU6yOStT+ 2QNtF9odvRJeleAPjPSy8SZDsFAkLGrFMamNXK/hydMcIeE0NAvKvCDC5Hif+q8fxryCYTC0tmx85 J6ELNeDau1byr3OT1VTZ+TbIxxv17pHrxH83tm59PdXMerHK/i4h1eE8SIt27wR5xpo1RrWjxXQ+x TsXngFxBGvigW3YeCZz6R9Trjj9I3qujNVKbRdIK+ZmjSLlofZe7uMG1YDCsYsppwESQFeWb2YytB e33sh4M31HfWkR3Io8Og==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wgYy0-0000000BNek-19xV; Mon, 06 Jul 2026 02:21:52 +0000 Received: from mail-pj1-x1029.google.com ([2607:f8b0:4864:20::1029]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wgYxv-0000000BNYC-3Clf for linux-riscv@lists.infradead.org; Mon, 06 Jul 2026 02:21:50 +0000 Received: by mail-pj1-x1029.google.com with SMTP id 98e67ed59e1d1-37defb2f231so1560440a91.2 for ; Sun, 05 Jul 2026 19:21:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1783304507; x=1783909307; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=nI0CkxxyoH8k0I7InDiV0iYilFi9jdMMJ7m2xkEZwHw=; b=XWPo7XrM4fDrtlIabHNfLfFymRP5unU7czORVYvcYrBpMNQ35QHIEmbefAJfS7OxJk 7VBxb08xjt+OXZX1omAqq8Tz4Xf94JJ+lMM/gVTn6+2waS23ed39JP2g6B/buc63uk6/ uN+Q8ih4wdYDKQSFtGcV56scr5Sqq+67YyBcAWF/BvfMbnc0nHvkuDJ680sqJtDmVA9h xEEF/56sVoLiWDGKUAP6IXidly6tEFzNQ3X0Ucf9BCJZQeAYToeOwC5nGDlFpI9ZMAA2 2renkAwK4Ruv10MzYYpHVguY58plJTLG3N1PHJfiqg0+G0lhJT1VHRGe9iEXtDdygjI4 9kxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783304507; x=1783909307; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=nI0CkxxyoH8k0I7InDiV0iYilFi9jdMMJ7m2xkEZwHw=; b=onyZk3Bqfd8AvPsjU3wHNjDoqkufnBx9/+p7cw1Z5GKi8T4jcgnv9XPARq0grmArL1 S5OEyTlbIh7ESBz7llMfU5dhmLtrvrQHPy76LUAQ8hlH7auFh/yC9DRmdNuIYXqvFLvg jkzsLYw63JUNIDT8xQXYHPEL/iNyK3pzqpXOrJP+/wd5irDQCdY1r+2Hc/yWgxcQxUJF Vfa2wRq5O7tXE9UOAkccw6JsIVaI2hwOVcYyaeIsRu0cXxcJcdAL243Y4uean5SZwfsh baHaH8Fik0N+LOs0OaexS/78dYkOfGMpAKgOcVO8t+ieBrytJp3Bawd4hxLCcqrzjbyW Wptg== X-Gm-Message-State: AOJu0YyijWpQ3dqdSggmRqttnL3Jj+bHGGd0DA3xJGD3mwSX83xhCZk7 RCmrn6kPoucpODUZsPn7JqCuVAeJPckvHoWVg+orIlmEMOYE4BsdcpBY X-Gm-Gg: AfdE7cmbk9oCxkhAJNUfjrN6/xqsZ55PSk8IejgCSQKRdPfseTJY8+LzSXMnSlMg04m Df6Bb/rXKZrI/jggTVrjV/EJl1Z1/Z7Hm53n1TWziTMkV9cvxuNhUJrwxnw9ZT5cQSuUUjy1skc JMYFanQdG0dIo8KGCGDWfVdoBDJVGRuXLiXBpAtBuc7WyFWX2+cPYtGwLWzU1ruNNkS21ymFbhN Y5MjxuW2mGoVITnHHAhJxkAp/0pYdGZLPM97IYCGHZI8trUxxWkD2ZWQSLsQ4qxB4KNVuAC5C3B p0Rp+qtd9miVMeCUajhwF+jiC+IQBkg4Jz0gmi85JEdDd4j6sWCGy5OIqg3Zr2M3+TsJfDFOgQ5 oyzmEOObLDadqdW8A62Rk8tQhUtAkjFSJYFot2LTWArRoptKXJaNZkmWrKEAVvvz4 X-Received: by 2002:a17:90b:288c:b0:36a:c4b:76cf with SMTP id 98e67ed59e1d1-3829f00021fmr7476641a91.23.1783304506913; Sun, 05 Jul 2026 19:21:46 -0700 (PDT) Received: from localhost ([2001:da8:7001:11::cb]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3854f03f92dsm1348394a91.6.2026.07.05.19.21.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 05 Jul 2026 19:21:46 -0700 (PDT) From: Inochi Amaoto To: Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Anup Patel , Atish Patra , Paolo Bonzini , Shuah Khan , Charlie Jenkins , Sergey Matyukevich , Thomas Huth , Inochi Amaoto , Deepak Gupta 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, Yixun Lan , Longbin Li Subject: [PATCH v5 6/8] RISC-V: KVM: Delegate SPELP bit to VS/VU mode if landing pad is enabled. Date: Mon, 6 Jul 2026 10:20:42 +0800 Message-ID: <20260706022046.214956-7-inochiama@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260706022046.214956-1-inochiama@gmail.com> References: <20260706022046.214956-1-inochiama@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260705_192147_819676_07892E51 X-CRM114-Status: UNSURE ( 8.59 ) 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 Delegate the newly added SPELP bit from Zicfilp extension to VS/VU mode if it enables landing pad support. Signed-off-by: Inochi Amaoto --- arch/riscv/kvm/vcpu_exit.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/riscv/kvm/vcpu_exit.c b/arch/riscv/kvm/vcpu_exit.c index 12eebeabdf14..92a3ea7c7ffb 100644 --- a/arch/riscv/kvm/vcpu_exit.c +++ b/arch/riscv/kvm/vcpu_exit.c @@ -154,6 +154,13 @@ void kvm_riscv_vcpu_trap_redirect(struct kvm_vcpu *vcpu, /* Clear Guest SSTATUS.SIE bit */ vsstatus &= ~SR_SIE; + /* Change Guest SSTATUS.SPELP bit */ + if (vcpu->arch.cfg.henvcfg & ENVCFG_LPE) { + vsstatus &= ~SR_SPELP; + vsstatus |= vcpu->arch.guest_context.sstatus & SR_SPELP; + vcpu->arch.guest_context.sstatus &= ~SR_SPELP; + } + /* Update Guest SSTATUS */ ncsr_write(CSR_VSSTATUS, vsstatus); -- 2.55.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv