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([177.94.15.124]) by smtp.gmail.com with ESMTPSA id u11-20020a17090282cb00b001bf11cf2e21sm1491777plz.210.2023.10.03.06.21.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Oct 2023 06:22:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1696339321; x=1696944121; darn=nongnu.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=vu0xMqO0/tJisHYLXntW+Au46iu8040tFzWiKusl3Hk=; b=CrLgmQmFDzauVfYk3YjABM2TJ9ugPT7anQn2XgNe6FDU3yScm67rfRNAOlyQVdvfQp tkex/zSg3AjMyKAHu0cgNvzKfsf+J8FoGQhMWiTpp956iyfmCBUG5uJ9AJYbOfTU5iuq yXPBeiDZ9GteTWhPoynSZe8BBh0+KGgoM7cHon8uh9mGDbVScPksx7OOu//ATqCvtO8h FCoZyYtMT6cvKxYrKZaqoBVkt/aQA2Vp1Yg7Y1ZXffY4Gn+x7m0yjR5ALKYQ9+fdH/8o W7Qj25FSKqShUhbuya+L4sYkJ/vC3wdMGhKb5UnEuxLK2gfTJuqJPTS8/NvteRKr6i9y 1lmg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696339321; x=1696944121; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=vu0xMqO0/tJisHYLXntW+Au46iu8040tFzWiKusl3Hk=; b=JZisrWxmfWDzuVakgzJ67EGpMcCVE+WElWRO6uDq5MXAseQT1imncjD3oOHRclx6Sh lS/yNMI7M5SAAaab5RwlcllwuXrMUqgNdNK37Xt3jOfirxvc8fo6OVfFGZt1gMjH7SD4 A1YEBqQ4hUzwvV5IWd6cUyv68I1ZJTQsLujsyISCmcWBkoYzBI4GOtIy3g0x4S/JHcbX yQ0uf8u3B9bZzb50kZrHPGuc5IpL15kqUU/BCtMzQln/mNVqH1FDT0gYbh9Ux7NDscCl e4tOs7tnnBk99wpeWgvlxk5KI5eNUo8uwuTwaWlI8sIPwTj0nZEHC1jG5rCPDeehJmgn LZ7g== X-Gm-Message-State: AOJu0YxDItUMrO57digbTVI8E5GA52qdpIc32kWXYu/LYnbNbhYDy4ik GdRMx+7iTmgcJzpDfPrhPqrkJIFuh7dRwAj+40I= X-Google-Smtp-Source: AGHT+IGPFJzllASgJ5j1GJq4uMDvW0T0G+3qHOeTp51MEN7sNJo+rzgvwk7PzD2LjOZa49E/VjNabQ== X-Received: by 2002:a05:6a20:4422:b0:14b:8b82:867f with SMTP id ce34-20020a056a20442200b0014b8b82867fmr15147239pzb.50.1696339321012; Tue, 03 Oct 2023 06:22:01 -0700 (PDT) From: Daniel Henrique Barboza To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, alistair.francis@wdc.com, bmeng@tinylab.org, liweiwei@iscas.ac.cn, zhiwei_liu@linux.alibaba.com, palmer@rivosinc.com, ajones@ventanamicro.com, Daniel Henrique Barboza Subject: [PATCH v2 1/2] target/riscv/kvm: improve 'init_multiext_cfg' error msg Date: Tue, 3 Oct 2023 10:21:47 -0300 Message-ID: <20231003132148.797921-2-dbarboza@ventanamicro.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231003132148.797921-1-dbarboza@ventanamicro.com> References: <20231003132148.797921-1-dbarboza@ventanamicro.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::42b; envelope-from=dbarboza@ventanamicro.com; helo=mail-pf1-x42b.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1696339367203100003 Content-Type: text/plain; charset="utf-8" Our error message is returning the value of 'ret', which will be always -1 in case of error, and will not be that useful: qemu-system-riscv64: Unable to read ISA_EXT KVM register ssaia, error -1 Improve the error message by outputting 'errno' instead of 'ret'. Use strerrorname_np() to output the error name instead of the error code. This will give us what we need to know right away: qemu-system-riscv64: Unable to read ISA_EXT KVM register ssaia, error code:= ENOENT Given that we're going to exit(1) in this condition instead of attempting to recover, remove the 'kvm_riscv_destroy_scratch_vcpu()' call. Signed-off-by: Daniel Henrique Barboza Reviewed-by: Alistair Francis Reviewed-by: Andrew Jones Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- target/riscv/kvm/kvm-cpu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/target/riscv/kvm/kvm-cpu.c b/target/riscv/kvm/kvm-cpu.c index c6615cb807..c3daf74fe9 100644 --- a/target/riscv/kvm/kvm-cpu.c +++ b/target/riscv/kvm/kvm-cpu.c @@ -792,8 +792,8 @@ static void kvm_riscv_init_multiext_cfg(RISCVCPU *cpu, = KVMScratchCPU *kvmcpu) val =3D false; } else { error_report("Unable to read ISA_EXT KVM register %s, " - "error %d", multi_ext_cfg->name, ret); - kvm_riscv_destroy_scratch_vcpu(kvmcpu); + "error code: %s", multi_ext_cfg->name, + strerrorname_np(errno)); exit(EXIT_FAILURE); } } else { --=20 2.41.0