From patchwork Thu Aug 1 14:23:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 13750576 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 17EACC3DA4A for ; Thu, 1 Aug 2024 14:24:33 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sZWiJ-0004os-G0; Thu, 01 Aug 2024 10:23:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sZWiH-0004fI-8d for qemu-devel@nongnu.org; Thu, 01 Aug 2024 10:23:29 -0400 Received: from mail-wm1-x32a.google.com ([2a00:1450:4864:20::32a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sZWiE-0002e7-TV for qemu-devel@nongnu.org; Thu, 01 Aug 2024 10:23:29 -0400 Received: by mail-wm1-x32a.google.com with SMTP id 5b1f17b1804b1-4266dc7591fso44145315e9.0 for ; Thu, 01 Aug 2024 07:23:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1722522205; x=1723127005; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=I/6CNtfkx/vK3/2m6asJcZw+ghBegtW4R7IRgfjVD4E=; b=Ekt+TZyKTOh3e8Uk9xh9H2AcTuFpJ/5cKnknWiK2iJb3sNz2A0l2pWvR89kOX6rSNs ssgJlAA0IWJ6iMAjHmfzjiTJsQOMkO0UOk7P/KhLQXZhGfQLnDnMPr/hMG2LDmQDttGH Gc4UXkdIcMh7/c3wAo+MUI+rMhLtj1piidd3vmECDfY50csWe6ek5mDcHYGgmfNWgB7z n5dI8E4i0I5it71Fyb0VhpAFtF7M1F6/Jz+lG4Q4JBKqxSZkPMp0g5Ke2Be9nWkbYUGX FRArZDF5yjOetvGb8JzylITzHSCJRBLJ5a+BJW/sneUtFJvCEbafRHaXE+z497eH+ZW8 404w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722522205; x=1723127005; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=I/6CNtfkx/vK3/2m6asJcZw+ghBegtW4R7IRgfjVD4E=; b=LYRoIgxzk6Q4quLVGyz1QFme9GPK+iIJ+cWVNOkxJr9Y1oDfTnvp5EB2TW7idpe4Ct PUkYVja77B18/+U8u8tNTIZpMkziGbOM14uShmyFKFMBOdt2BfKE7Gz5gwbUj4vS70MG a12cKj+j/ybh+3L5PuwhvPJXgxJQYLSpNgiz1aNZPHc+yqzNzRZxwgd61YMD27JU4Bxs xMm0PEUr662MYw+mW7LhNIHkphcrEszeYzCgmwmfq+CWcWvqsHIxecaw6Im3ib8Dx0Ah 6XPKwcnqyVLkCG07cYlUer5zY97nd/0gGKt8y6tFBZGoF4ZdL1VtFRGcfvFcChVJHfjT D8yA== X-Gm-Message-State: AOJu0YxhwXiiZrGRkfXHE1RTdJjjEdL0u1+hi5Nz/dhNqbsEyMZtpsnR bMP7VxIp0AnypfRCQaFEFh3MIeq20C/nXHYPOLQl1OllmSYppqHVkXTAweCRfwgQWoU/o+JKN5Q R X-Google-Smtp-Source: AGHT+IGxHDXVNERd/qiwsLBtD0aEPlVLnxfuSvl3OsVlnfkTXpLlg+KhXmsyIRK1t35Wf6k4jtrHSw== X-Received: by 2002:a05:600c:524f:b0:428:17b6:bcf1 with SMTP id 5b1f17b1804b1-428e6b0a2bcmr300065e9.22.1722522205173; Thu, 01 Aug 2024 07:23:25 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-428e08012d7sm29657435e9.22.2024.08.01.07.23.24 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Aug 2024 07:23:24 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 2/4] accel/kvm/kvm-all: Fixes the missing break in vCPU unpark logic Date: Thu, 1 Aug 2024 15:23:20 +0100 Message-Id: <20240801142322.3948866-3-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240801142322.3948866-1-peter.maydell@linaro.org> References: <20240801142322.3948866-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32a; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32a.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=ham 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Salil Mehta Loop should exit prematurely on successfully finding out the parked vCPU (struct KVMParkedVcpu) in the 'struct KVMState' maintained 'kvm_parked_vcpus' list of parked vCPUs. Fixes: Coverity CID 1558552 Fixes: 08c3286822 ("accel/kvm: Extract common KVM vCPU {creation,parking} code") Reported-by: Peter Maydell Signed-off-by: Salil Mehta Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Gavin Shan Reviewed-by: Zhao Liu Reviewed-by: Igor Mammedov Message-id: 20240725145132.99355-1-salil.mehta@huawei.com Suggested-by: Peter Maydell Message-ID: Signed-off-by: Salil Mehta Signed-off-by: Peter Maydell --- accel/kvm/kvm-all.c | 1 + 1 file changed, 1 insertion(+) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index e1d13863063..75d11a07b2b 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -362,6 +362,7 @@ int kvm_unpark_vcpu(KVMState *s, unsigned long vcpu_id) QLIST_REMOVE(cpu, node); kvm_fd = cpu->kvm_fd; g_free(cpu); + break; } }