From nobody Fri Dec 19 17:18:55 2025 Received: from mail-pf1-f202.google.com (mail-pf1-f202.google.com [209.85.210.202]) (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 BB4D0280A2B for ; Fri, 16 May 2025 23:07:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747436864; cv=none; b=LwBhweqws+b49LooWewiP4o8o+nrSsEWPEaGdLfWN94bHk3e1ZaNbaVwzMKAs9lMvVPLwXvam2SIPktTnUH4LqcDnClbw0m1DAPu58jrX6tSEc40wxRboBTUG97Nw3Kudv09/r9UCre2+u5eoXGqPQXJYLgzWfvD+7Y3wtIPxzQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747436864; c=relaxed/simple; bh=53lKZIp0QEDIxAnbUsZj0HBAIqsGZWy+CnuC9aywW/o=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=hqFJ/kRv4QWpI0QmCRn30iZlMGWxVWU/2p4NUpWOiFbDF+szVQ4f+i2Y5AU1YACmG27v61S/dDD41izgIoTY6o6m/qaPnlHYF8N5NRP4WitAcReIlc4YgQFWnR/rKcix7lgwT7CixFYug8kjHyt4NRCpSo/BE3khLs9GprPi6cc= 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=1SJwF6jV; arc=none smtp.client-ip=209.85.210.202 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="1SJwF6jV" Received: by mail-pf1-f202.google.com with SMTP id d2e1a72fcca58-740270e168aso2422455b3a.1 for ; Fri, 16 May 2025 16:07:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1747436861; x=1748041661; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:from:to:cc:subject:date:message-id:reply-to; bh=NfgqeidfxQ2kyf1sJo8U3YZ4JNEzadROFUB65CCKoYo=; b=1SJwF6jVGsvJoqd7rhdiq8l+du2JROSxasleJXx2a1zJBqZXLji5/fkOVoQd8NqSxH pNbdrk+mTqX9TtvCsHE9HjJx4j4svaV/P+xtnm5hvPCBHWSCe+8YF0ryxYnvVk396c7P HqRhRQUNx4qcWu4S8rhczJaraF8RFGo49QbbzrwurKLMl/mra89bohu8veF+4h79eTtg aRCSabpnOqgoyKNFKPk+nuxLMYD3KSBxT7XUxuY/37Txi6a9jsNwgpHMKs6QCiP74kor hQtv0ZfL9YKNKqgbmc27MPeh6w3DYczy0gSFLlu1Sw4zg+pwyaniaaaC29hA6smVkhGk 1gBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1747436861; x=1748041661; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:reply-to:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=NfgqeidfxQ2kyf1sJo8U3YZ4JNEzadROFUB65CCKoYo=; b=ijUJGHkBhaToVI8wjrHINtRVKKVEk0NcpN+J58pDSGXbyRmi7HSOjk3KkjfRG3Lr/D HfXQV9fgm/v52TVJT5c/2ltQWlwd4YYWfJea6BYX2dE0IylxfLMmXkyVJqvFOJQPkYMj BR59AdHMa2GG9MMYbAFqkVuGd4PgmBbMQ+wcvAY0a354qhiod0mbHZprU6lpltWXwfqw 7Cvh+GyMIyV4E+94pwJgzeUdBwPKRElnxVck4mDNFuuMA1GTCeC11IMici6ILJWEqbSg e8L7sHtyb5ga8exLEVUr/xLlro16fZ6KesA4SjZR0MXA5ah7kFXCiZZIxgQ1SE1OwKTK rT2Q== X-Forwarded-Encrypted: i=1; AJvYcCUHSIXDvYxwA0nsLRnBDRuSqkQ+3nl9tE0aptHGu+tvGBkdJSpT7HLwMIexe+pRt0iVJqcsHiibeMSzWic=@vger.kernel.org X-Gm-Message-State: AOJu0YxZrLUsjp+xHr9HJZaYZXzFHDU13Jm5XKgRk8pouexYVoHJ/JtP jnkMWCA+ss8KMJ9YhJoceKkTxWOQYjLVQUh6e/EIFw/kCoSMe1sPOq05jIi246FZbDEl+i9oewj sP2x9LQ== X-Google-Smtp-Source: AGHT+IEpuk3JhFswrcOYHhuNZFtNFDjaC6SxgeOCtP19MsiXoVMuiAOEkn9SRzfq0mcswFVBZevjQHeWqN0= X-Received: from pfst15.prod.google.com ([2002:aa7:8f8f:0:b0:742:aa0f:2420]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:ac6:b0:736:32d2:aa8e with SMTP id d2e1a72fcca58-742a97a16bbmr6249072b3a.6.1747436860987; Fri, 16 May 2025 16:07:40 -0700 (PDT) Reply-To: Sean Christopherson Date: Fri, 16 May 2025 16:07:28 -0700 In-Reply-To: <20250516230734.2564775-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250516230734.2564775-1-seanjc@google.com> X-Mailer: git-send-email 2.49.0.1112.g889b7c5bd8-goog Message-ID: <20250516230734.2564775-3-seanjc@google.com> Subject: [PATCH v2 2/8] irqbypass: Drop superfluous might_sleep() annotations From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini , "Michael S. Tsirkin" , Jason Wang , Alex Williamson Cc: kvm@vger.kernel.org, virtualization@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Kevin Tian , Oliver Upton , David Matlack , Like Xu , Binbin Wu , Yong He Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Drop superfluous might_sleep() annotations from irqbypass, mutex_lock() provides all of the necessary tracking. Reviewed-by: Kevin Tian Acked-by: Michael S. Tsirkin Signed-off-by: Sean Christopherson --- virt/lib/irqbypass.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/virt/lib/irqbypass.c b/virt/lib/irqbypass.c index 080c706f3b01..28a4d933569a 100644 --- a/virt/lib/irqbypass.c +++ b/virt/lib/irqbypass.c @@ -90,8 +90,6 @@ int irq_bypass_register_producer(struct irq_bypass_produc= er *producer) if (!producer->token) return -EINVAL; =20 - might_sleep(); - mutex_lock(&lock); =20 list_for_each_entry(tmp, &producers, node) { @@ -136,8 +134,6 @@ void irq_bypass_unregister_producer(struct irq_bypass_p= roducer *producer) if (!producer->token) return; =20 - might_sleep(); - mutex_lock(&lock); =20 list_for_each_entry(tmp, &producers, node) { @@ -176,8 +172,6 @@ int irq_bypass_register_consumer(struct irq_bypass_cons= umer *consumer) !consumer->add_producer || !consumer->del_producer) return -EINVAL; =20 - might_sleep(); - mutex_lock(&lock); =20 list_for_each_entry(tmp, &consumers, node) { @@ -222,8 +216,6 @@ void irq_bypass_unregister_consumer(struct irq_bypass_c= onsumer *consumer) if (!consumer->token) return; =20 - might_sleep(); - mutex_lock(&lock); =20 list_for_each_entry(tmp, &consumers, node) { --=20 2.49.0.1112.g889b7c5bd8-goog