From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f74.google.com (mail-pj1-f74.google.com [209.85.216.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4655E18C03F for ; Tue, 16 Sep 2025 20:01:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758052914; cv=none; b=MDIJZTIBS8tperXXWWvD703KqxicTVSoZJ2RpGAiSvMgTXfeBGptT/DHIELv0PFy7igCDMHisMwHdpjpQYysqgpQE5UtTW2Au5KsM/ODY+LAOvpgNk3tw2GuMW2Ir5XT282AGqjS9TJFNs55cstwS2DNqIFc+mTWS63VNku8wQc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758052914; c=relaxed/simple; bh=ORY2R+nyYLlhpUC+2xMlNWbFZKMrBgMXQ0ha6+zfUwo=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=ULBUByRYKa8ZPEPE1tuu2S2D9CU9T+UV9NgE64BlRHPfoC2uuCXnhTq0vwAy20/6RHJc8LTLdW1y6JK/Y3lg12CgJtsINUVYT7gIvZUu3+6aBnhjtdCDEf87PKlyegnFEoXFMOT3O+GBlD+F98EvLWREmUZoKth0P1BmmRnJzJg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=HQ/mEYRh; arc=none smtp.client-ip=209.85.216.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="HQ/mEYRh" Received: by mail-pj1-f74.google.com with SMTP id 98e67ed59e1d1-32eaeba9abaso1149492a91.3 for ; Tue, 16 Sep 2025 13:01:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1758052913; x=1758657713; darn=vger.kernel.org; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=M0gfbjH4A2acdS03HXdgPmM2zx4rBDxyf8JBJExJVLs=; b=HQ/mEYRhtjGYCsoxJ681AACvcELbOLucyUkHu7QK71Y9Zt4mbYLr5EN5bDeGQrplep dbykSxMjUy9xR70RtFBGIX7iPakw/SK54yc8vl4O/nECGythqq8/fLz0r5Wc6WHIdLCt DOsWpEETWiDDMi5kvR6N5/fL9lEjp43C5LNVlSDO34sAIFmbqqqGvUVrUZq/wUY3cuwU TFSEKXAzuo/fgxHjbzQdsJg4PUm+4xxDvpHF3ILuHTc/hNcKRwLVEeXO4SRlU+Tehc9Y v2o4+9agcecz+0Uyif1gDQpfFKSfMhy1+ItR0WF5V8LMXKL+wj07KNBW8YHc973lprDk jgpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758052913; x=1758657713; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=M0gfbjH4A2acdS03HXdgPmM2zx4rBDxyf8JBJExJVLs=; b=T546AbApEc9S+xAPh4xwd9gqvdZjY4xZddyuRtRRj/5827oPyNXqOae2VrgXPlwhVt fa1vEXribWcQ6M5i3JdDjULTws1AjDld9cYdrILP2PMYHEANnz3i8Lducnh307NHNG+w TxGl1TNv82CICu6SF1JyB5v+28AQOtpniJ0YwI4/dWRvP7Qql6C75sd8B0I7yqGhpQnL jr1wVc4v8DCyqWQEjEjjsunib6hQSfvxdlYu4tt5rROQ/p9s3UbRhuMznZ06yGm+Tt1e 9mmxLAVCedxkwnM+rfP8zpMWwS0THwKZUtKq1f+sEZd58Hh303dLmMh3Z/jddEqIeWPj iiCw== X-Forwarded-Encrypted: i=1; AJvYcCUGGRv1kIQV/JxyttYufCYtgoWLerW83utN2P36hWa3Agr2zcrkAVHFhOtpwWuG58PCete+FJ3GaR7jaEI=@vger.kernel.org X-Gm-Message-State: AOJu0Yze9udd5nBBgq0l1CIhjV+n1Q2eTTYlYY54SW1jvURfvhS0qieh aEQ6OJ9aqisHaeFQmoSnObrvFf9bp2e8RZjEIzGh4otvKUP2yHwXKhbVIMOVD2wiNqRYp23PdXD PmUb+TQ== X-Google-Smtp-Source: AGHT+IFYFfM/6Ka1HXDuIekePMOv329MNcJFQsMEhleOmjrL4bcMCw8Y8Cxbz02ln+iEi1nLUg4TwngiA14= X-Received: from pjx12.prod.google.com ([2002:a17:90b:568c:b0:329:ccdd:e725]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90a:e18d:b0:32b:65e6:ec48 with SMTP id 98e67ed59e1d1-32de4e5bd79mr19311585a91.8.1758052912699; Tue, 16 Sep 2025 13:01:52 -0700 (PDT) Date: Tue, 16 Sep 2025 13:01:51 -0700 In-Reply-To: <175798207153.624508.1085968130364515751.b4-ty@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250901131604.646415-1-liaoyuanhong@vivo.com> <175798207153.624508.1085968130364515751.b4-ty@google.com> Message-ID: Subject: Re: [PATCH] KVM: x86: hyper-v: Use guard() instead of mutex_lock() to simplify code From: Sean Christopherson To: Vitaly Kuznetsov , Paolo Bonzini , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Liao Yuanhong Content-Type: text/plain; charset="us-ascii" On Mon, Sep 15, 2025, Sean Christopherson wrote: > On Mon, 01 Sep 2025 21:16:04 +0800, Liao Yuanhong wrote: > > Using guard(mutex) instead of mutex_lock/mutex_unlock pair. Simplifies the > > error handling to just return in case of error. No need for the > > 'out_unlock' label anymore so remove it. > > Applied to kvm-x86 misc, thanks! > > [1/1] KVM: x86: hyper-v: Use guard() instead of mutex_lock() to simplify code > https://github.com/kvm-x86/linux/commit/864384e97981 This one also got affected by the force push for an unrelated commit, new hash: https://github.com/kvm-x86/linux/commit/cbd860293d13