From nobody Sun Oct 5 21:59:22 2025 Received: from mail-pj1-f73.google.com (mail-pj1-f73.google.com [209.85.216.73]) (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 4CF022951B3 for ; Tue, 29 Jul 2025 15:39:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753803545; cv=none; b=d+xrNvovskrGaE/PpdD3+H69kfkgv9bGxAjLRjz2VOvFzxckzBEHwiFkKF9QsR4wYokhV23NZpbp/aUZSrx1mqk6JLYYIQCJPrvuBg+0un7LcDfDfT2+zLFLl/t//hU5Ev9Szs+6fIy6w1RO8gq50ClhQUiRCSO0X8WalFes/O4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753803545; c=relaxed/simple; bh=OfOL42eD9JTUc+4eGZAYldNVEOn18zoOKYFUTi9OmhY=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=FEctBp9fcA8B0O5O1xUrdxL1BLgHLvU39C6BpAbwERVOtDgW3gWKNGaNy1YURtn6x0MJxe8JONhRrxY+5ocqMLiO7WFS0bpEngwjf7V64gMqy6y4lKpMSvifPIt+bv+3tif4wZF803/UN3t/hJDw95n6d9g/5CbC82d11YDzROk= 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=JGQyaGNm; arc=none smtp.client-ip=209.85.216.73 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="JGQyaGNm" Received: by mail-pj1-f73.google.com with SMTP id 98e67ed59e1d1-31ed9a17f22so4000225a91.0 for ; Tue, 29 Jul 2025 08:39:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1753803543; x=1754408343; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:reply-to:from:to:cc :subject:date:message-id:reply-to; bh=Glsh0iAv4o3uNk39nP/OoAS1uxmDAWFJSCvfZQY8U3w=; b=JGQyaGNm3fzX9r8HveAMNMyGM1Y8v90TYKyNm6RoQGeYx1pVL3pIAjrlb5Za/4iMG6 y8VCW7iD464VUFx/wFJ9wx3lslCr87y1a8BU2BUTR/sJm0c+6Kpo2QMkvVSO2tT7h0uJ SqkpsuUd5aB9RF5+xQzP/va+FkUtjm9+AW0CH75P1kcMdMc4HfkqYcB76IY6P56W6Zg7 FMfJodDfRnen80P7GFTdj0+pxTThmx6KJaiJ6E8XwcrUEeL1unF0KRqTgVnF3x+KQuNL cw5ktlfdMK/Fs/EMRXf4XZc0ZcOKtuejsmQPskUzCLX8jPMEkVYFPnuxwuuAiHm5YSfK sSNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753803543; x=1754408343; h=cc:to:from:subject:message-id:mime-version:date:reply-to :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Glsh0iAv4o3uNk39nP/OoAS1uxmDAWFJSCvfZQY8U3w=; b=rBy3Mm1lhzEqXIJ8gKhGD4SFQIGZsQpOT4PfX5r768t+5ZO81nUFPZ17zQWr0nHsJ/ 1xPoIoOVu8+UyskSyMcafUqm2GeWfmlKVlGe53e1AVp7THTruDK8DuOph1FaRN5MUMir k+n+MuCSbR2sbBLqxWhDLl9pa/GvQmrLLJykGIEzxMBABaz7VVigqhlEGRNAmLRVRUGZ 686+sWmv1Mu3OgnbwmOAC5eTUs+ACH//7qPx+KKZJua5WOiSSWPCGlXeFcbEDOHWprHF mQo+RpsVbtfDKDEJPssh9YH8ZwwGCa6fd3jM0L9/CvXMvwxBQ1HEA1Nb2i4QScQEhyNt OFRA== X-Forwarded-Encrypted: i=1; AJvYcCVI0W6kh8GSw/rhKuoXIHjePhLm2lLgdlxVIl/RGvYgIZmqcznEddQWS7jDrOlhuFQiMfuPD0ZJOhF+rLM=@vger.kernel.org X-Gm-Message-State: AOJu0YyH+FAEMii34UP5n+1f9qP7yF0oXeTHGLJae9ihIQLDGzDFWws/ PMLR/G8MticRQ6UTvfwAY0YJE9tQg4HX2o7p7IXwfBPm9kh+lB4/5x7/Ku3WXb2p+tB9sCviYGg xSOqOFw== X-Google-Smtp-Source: AGHT+IF+TXpdC+oVnYt+YHocSx/QqcMuplDXaRRM2xGX1W6yq4xq1t881NAizm2HIeClnrMQru1DE3cPUfk= X-Received: from pjbsr11.prod.google.com ([2002:a17:90b:4e8b:b0:31e:cee1:4d04]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:90b:240b:b0:31e:ebb6:6499 with SMTP id 98e67ed59e1d1-31eebb6657emr9096042a91.24.1753803543611; Tue, 29 Jul 2025 08:39:03 -0700 (PDT) Reply-To: Sean Christopherson Date: Tue, 29 Jul 2025 08:39:01 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.50.1.487.gc89ff58d15-goog Message-ID: <20250729153901.564123-1-seanjc@google.com> Subject: [PATCH] x86/kvm: Make kvm_async_pf_task_wake() a local static helper From: Sean Christopherson To: Paolo Bonzini , Sean Christopherson Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Make kvm_async_pf_task_wake() static and drop its export, as the symbol is only referenced from within kvm.c. No functional change intended. Signed-off-by: Sean Christopherson --- arch/x86/include/asm/kvm_para.h | 2 -- arch/x86/kernel/kvm.c | 3 +-- 2 files changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_par= a.h index 57bc74e112f2..4a47c16e2df8 100644 --- a/arch/x86/include/asm/kvm_para.h +++ b/arch/x86/include/asm/kvm_para.h @@ -124,7 +124,6 @@ bool kvm_para_available(void); unsigned int kvm_arch_para_features(void); unsigned int kvm_arch_para_hints(void); void kvm_async_pf_task_wait_schedule(u32 token); -void kvm_async_pf_task_wake(u32 token); u32 kvm_read_and_reset_apf_flags(void); bool __kvm_handle_async_pf(struct pt_regs *regs, u32 token); =20 @@ -148,7 +147,6 @@ static inline void kvm_spinlock_init(void) =20 #else /* CONFIG_KVM_GUEST */ #define kvm_async_pf_task_wait_schedule(T) do {} while(0) -#define kvm_async_pf_task_wake(T) do {} while(0) =20 static inline bool kvm_para_available(void) { diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index 921c1c783bc1..180a8c146846 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -190,7 +190,7 @@ static void apf_task_wake_all(void) } } =20 -void kvm_async_pf_task_wake(u32 token) +static void kvm_async_pf_task_wake(u32 token) { u32 key =3D hash_32(token, KVM_TASK_SLEEP_HASHBITS); struct kvm_task_sleep_head *b =3D &async_pf_sleepers[key]; @@ -241,7 +241,6 @@ void kvm_async_pf_task_wake(u32 token) /* A dummy token might be allocated and ultimately not used. */ kfree(dummy); } -EXPORT_SYMBOL_GPL(kvm_async_pf_task_wake); =20 noinstr u32 kvm_read_and_reset_apf_flags(void) { base-commit: 038d61fd642278bab63ee8ef722c50d10ab01e8f --=20 2.50.1.487.gc89ff58d15-goog