From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yw1-f202.google.com (mail-yw1-f202.google.com [209.85.128.202]) (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 8EE2A8625F for ; Tue, 16 Apr 2024 09:57:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713261455; cv=none; b=U99W0h7ok/DUonoME2UQ+utwPfOOTT/9SuNEvyWNiHTfRbr3TT8RtRwe4SMgKoL+NWhehBBpRZCYb2N7kw397aYSnRlrLkk6/oFf1tGqj9TiJ48ZXJIvOuLpiDwLMJbxmc8wUMqvgbRUKF5nGVk7IY80FZcIukmOXvaQ6HhNuvE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713261455; c=relaxed/simple; bh=/ZY0WElV1qyVskRlbxlPKdsc1RW4niLjg+VCX5k4aJs=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=QTaws1Rwaugzxm62twjrY/12CuV3AIcKN1k8FI/JO60eiIfWtpaPy/4aqR15RN4ly/GEF72gsRhu0L6iGu62KE7yWdb/yOoiM17vijuk+/J3Xue1HjFhe/YLMm5EoZZP7DHMbq7OowDf5wWNzv+9P04QjEd6EUzoW+dwtrnRbpE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--tabba.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=ot9kdcb3; arc=none smtp.client-ip=209.85.128.202 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--tabba.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="ot9kdcb3" Received: by mail-yw1-f202.google.com with SMTP id 00721157ae682-615073c8dfbso87384847b3.1 for ; Tue, 16 Apr 2024 02:57:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1713261453; x=1713866253; darn=lists.linux.dev; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=EL3Bsp/oYXLXaU3J4TMClfwUNJ8SjgfNhlXj94JTkMY=; b=ot9kdcb3Gz4b1xvU/2hmCndCEzvPqn2LSU4zq9Ur5SK7yIoVh7dDHpaeyUGEXuJ2PN g68msMJ9/SEJaS8iWlfWdLQa8hFcEUMihtVjJiYTUR3i5pxSAWsYswEtG8OCiP2zqZI2 wawKaTU7l16aYSLRqqNhduEw79MwZCj5pfyjUMUJTYgqEIAZt0Ripov9KvVHXCpwVIxh Q1CNWuZPZbq/Zff4dEoH9fboDBsDbxrAKVk77fcWXzz0+r50VRtGZPWpGfPLcHA//06S oo7IaYYM1IoD+Xve0x4mQvmju4/SGEWdXjJUmiEW1U2+3kjpXBXozRomI8CMuUG+byv6 CaKA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1713261453; x=1713866253; h=cc: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=EL3Bsp/oYXLXaU3J4TMClfwUNJ8SjgfNhlXj94JTkMY=; b=xAwth5QrKvYEmv6iqLwW4d6jkTwZ7c2n02f10D50/JFviQeMHheY8nGPqAGswcTfCQ lO2Sc+AjZ8lLfCpf+gSsEXNYXBahYv2rbZa4ASXWurqcp6tx5QU1/k5EU58/yzE4kYbL 1FxwOPQiQ8eecQWKp0DRRicrYm1v5WHJ2rb5woT5Ik5AlbIyiUW5OfR9/k/B3wKiALN+ CDti/5LsGEttpHtMeOMFwhlHI0U5b2RhwziroKNi2+LmAsEEQ0WS9qSAy1Y+ALDuOCf6 zTOvKJhnZ8RYK/ih1zOmbEOt2u/CTJO4sO4jF6ZGvih9xfRg7JD6PMpImZNC7CRuyeYr V0zw== X-Gm-Message-State: AOJu0Yz+HUCqdZ7zg8/jSFypMRV6GLbZRtdVTczYRYQ3Uz4Hsuvdhaxx DoInFTNxTALv/3jxnjhxNgmfepxpabTCoI8LQu2/r2EZDOHad18NNIIlthV66Xhylyev2LbP5XU 1qm1bJ4B6z5c0oa7gmG8mBBe5SOaTRQQZoiDGynf3zJIvQAHoY5HFgsLdGAKvWVQbU7OC0zh78X Ild/8z3ANYZf8nPsALMOrtYvXpSys= X-Google-Smtp-Source: AGHT+IFqGQEwZphq9d05MJhShS4mtIS4qTyrSqr/boxwYFHDAtYDaqbGAcVK49Y3ZqyoUg4nMqEKEcQPDw== X-Received: from fuad.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:1613]) (user=tabba job=sendgmr) by 2002:a0d:d554:0:b0:61a:e12b:fb07 with SMTP id x81-20020a0dd554000000b0061ae12bfb07mr768109ywd.5.1713261453589; Tue, 16 Apr 2024 02:57:33 -0700 (PDT) Date: Tue, 16 Apr 2024 10:56:14 +0100 In-Reply-To: <20240416095638.3620345-1-tabba@google.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240416095638.3620345-1-tabba@google.com> X-Mailer: git-send-email 2.44.0.683.g7961c838ac-goog Message-ID: <20240416095638.3620345-24-tabba@google.com> Subject: [PATCH v2 23/47] KVM: arm64: Add PC_UPDATE_REQ flags covering all PC updates From: Fuad Tabba To: kvmarm@lists.linux.dev Cc: maz@kernel.org, will@kernel.org, qperret@google.com, tabba@google.com, seanjc@google.com, alexandru.elisei@arm.com, catalin.marinas@arm.com, philmd@linaro.org, james.morse@arm.com, suzuki.poulose@arm.com, oliver.upton@linux.dev, mark.rutland@arm.com, broonie@kernel.org, joey.gouly@arm.com, rananta@google.com, smostafa@google.com Content-Type: text/plain; charset="UTF-8" From: Marc Zyngier In order to deal with PC updates (such as INCREMENT_PC and the collection of flags that come with PENDING_EXCEPTION), add a single mask that covers them all. This will be used to manipulate these flags as a single entity. Signed-off-by: Marc Zyngier Signed-off-by: Fuad Tabba --- arch/arm64/include/asm/kvm_host.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 9c4bed737d35..e123bfbfeceb 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -799,6 +799,8 @@ struct kvm_vcpu_arch { #define INCREMENT_PC __vcpu_single_flag(iflags, BIT(1)) /* Target EL/MODE (not a single flag, but let's abuse the macro) */ #define EXCEPT_MASK __vcpu_single_flag(iflags, GENMASK(3, 1)) +/* Cover both PENDING_EXCEPTION and EXCEPT_MASK for global operations */ +#define PC_UPDATE_REQ __vcpu_single_flag(iflags, GENMASK(3, 0)) /* Helpers to encode exceptions with minimum fuss */ #define __EXCEPT_MASK_VAL unpack_vcpu_flag(EXCEPT_MASK) -- 2.44.0.683.g7961c838ac-goog