From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1719C24886C; Fri, 8 Aug 2025 10:30:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.81 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754649044; cv=none; b=ZkJ+yj7NYczDky5gwm4vNIaCXJE98ht3FUsMsV98uacZ1vA8XZJVPSyXwi56QGXcyt1wVF9pcsavQSCdYk0wdorL+Yb6+lWabyaZ9fy5N4fSR0BvOxdKKIxjlsdbkGm6BxYd63zGlwkzM5vftxUGD2Aj7KZHIxEsymZnNIq7jZA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754649044; c=relaxed/simple; bh=bTbYuDZqHh0yFyDEIajCDjXEYUaSkuOLx6rQWQOnvtQ=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=Zejr1kD3HfVEltSUlKFOXgTw+29lThEP4KRzN3tlgMWHiqVsjrXmjI2UbMPp+W8GV6MRpTo1fqMMXSQ109sNVAqf3g0i4sYWcfvNl6JnajKjJKjDx8mis0PXerRYGh1P7AcshgcBnTHWCwVBadAlVtGopIq3MOh8IqT/28G0qtM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from zq-Legion-Y7000.. (unknown [121.237.92.164]) by APP-03 (Coremail) with SMTP id rQCowAA3zH2U0ZVoWhVQCg--.7250S2; Fri, 08 Aug 2025 18:29:41 +0800 (CST) From: zhouquan@iscas.ac.cn To: anup@brainfault.org, ajones@ventanamicro.com, atishp@atishpatra.org, paul.walmsley@sifive.com, palmer@dabbelt.com Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, Quan Zhou Subject: [PATCH v2 0/6] RISC-V: KVM: Allow zicbop/bfloat16 exts for guests Date: Fri, 8 Aug 2025 18:18:10 +0800 Message-Id: X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:rQCowAA3zH2U0ZVoWhVQCg--.7250S2 X-Coremail-Antispam: 1UD129KBjvdXoW7XF1kZrWrtFW3Kw1xAr4rGrg_yoWDKFX_CF WrXrZ7J343Xayj9ayfAFs5JFykt390kr1xJF4jvr17WFnrurWUZw1xG3yYkr17uw45XFnI vrn5uFZ29w1a9jkaLaAFLSUrUUUUbb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbhAFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s 0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxa n2IY04v7M4kE6xkIj40Ew7xC0wCY1x0262kKe7AKxVWUtVW8ZwCY02Avz4vE14v_Gw1l42 xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWU GwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI4 8JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4U MIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I 8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjfUOrcfUUUUU X-CM-SenderInfo: 52kr31xxdqqxpvfd2hldfou0/1tbiBgwIBmiVokWI1gABsB From: Quan Zhou Advertise zicbop/bfloat16 extensions to KVM guest when underlying host supports it, and add them to get-reg-list test. --- Change since v1: - update zicbom/zicboz/zicbop block size registers to depend on the host isa. - update the reg list filtering in copy_config_reg_indices() to use the host isa. - add reg list filtering for zicbop. v1: https://lore.kernel.org/all/cover.1750164414.git.zhouquan@iscas.ac.cn/ Quan Zhou (6): RISC-V: KVM: Change zicbom/zicboz block size to depend on the host isa RISC-V: KVM: Provide UAPI for Zicbop block size RISC-V: KVM: Allow Zicbop extension for Guest/VM RISC-V: KVM: Allow bfloat16 extension for Guest/VM KVM: riscv: selftests: Add Zicbop extension to get-reg-list test KVM: riscv: selftests: Add bfloat16 extension to get-reg-list test arch/riscv/include/uapi/asm/kvm.h | 5 +++ arch/riscv/kvm/vcpu_onereg.c | 34 +++++++++++++++---- .../selftests/kvm/riscv/get-reg-list.c | 25 ++++++++++++++ 3 files changed, 58 insertions(+), 6 deletions(-) -- 2.34.1