From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) (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 6B34314C5A7 for ; Wed, 27 Mar 2024 17:36:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711560984; cv=none; b=Xbhk49glGoAXr0/FN1l6ZP4FIGJV8nrpuZHb658MsAcHRE1Q9cHf3QnYAHJXrdkOwUa2fg4W/vRAM3mmDzib738vj5tmQwLZUiMZ9jxvY+MrsJqwxTYbTuxLBFknpSKchywPcjanr+FeZiVnP2rjFEYFZmU6iekAMLa6kxv/0TY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711560984; c=relaxed/simple; bh=DvEA2DsoZwN1b+8wToQ/5AET2wpS1QIPzq8eViMhxPg=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=jKJneXONcqLWDXokCGkJaGSvdKnm8Jh/SMyguf/Uc/ZqB8BlNp70EPDYEcSOwdkUQFKp65iLW+SQ/IhNTCDG6wbq+OA4A9WALyxHuEri5oAts5AdaqlfcFQPkAJdpjjLVYEff3vUYSDRiZso4ntLv8Qaj20+c17Q7MCsA18WKKA= 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=iVH+WHgz; arc=none smtp.client-ip=209.85.219.202 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="iVH+WHgz" Received: by mail-yb1-f202.google.com with SMTP id 3f1490d57ef6-dbf618042daso69772276.0 for ; Wed, 27 Mar 2024 10:36:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1711560982; x=1712165782; 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=GG/17rfXKx/eRqq4EbWCpiNZCoYJ682KJooA3YdXPxw=; b=iVH+WHgzfzCXo88gG6uIeATsqGzL4RwP1lPmwriavQlU7pmSG/4gRuzzOB0uzfkVtY EpXRJBSrpyFDyZLdPQvQFxdheOJCpe+Q7qZ9pxVC1gWCWsVmwJMFGp6cgvg/od3Wn+c6 vFk9u5GwoOCH35lIS7/DoKLfBAt61FqZmJOOfXJf6Nea7umDLEbQCvXaMJ8Xnslu4JGj bkDvVz27J/UPCW7EsaqTSl+DFm2G/v+1MLh2pjpbFgqD0pymQlyX14AiUsIItBIcJPlP vnBOw5nMSoXjRk2tAkqw2c4U8EOlr4q75w+tqCm3frFpZ3nVL7NR4EWe9+vO1m9qX0JN 2y9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711560982; x=1712165782; 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=GG/17rfXKx/eRqq4EbWCpiNZCoYJ682KJooA3YdXPxw=; b=hjyMkIIk6osBdfq8Sd8wbPSctjypt2yQdnAv5+3/1gjGtYF77oMPuMnG5qquZWmqeR vocUOob1meEbHZNjqTTSVXK3czikO4uoF9XOF11weKVrnD2184vdIZbYNJ/LGsYtPIIy HnVKxfYfqugEki4QLgm5r5YA/23Q9xYQNYmIfiOFZKfKZAyuIiArSLh/wtbpScxoXw7a 3F1Cayg/VEqTfQZ1+wkHRvQpNKRUesgWR4D+v47JOIHrQazIs3w9WEkl4HXTbN8MLN++ O0Xad9zlaflYBRr6Pc/4H2fsH4k7eitdHOlOVUMZDfN57DZweELfwAdDiQNOekaWKSqy K1nw== X-Gm-Message-State: AOJu0YzEid/zJ2T41RpqB4y7lqUwP4iMSJNhX4LomXrpu5tp/OISANrS 7A+B7hY61n6ReS4/qplte0Xwf+NsbKftBhqc52OgaDENCIvqZU/1wSPNtyQsroVfqwG9GGQocJ8 c/rSireSI8owWpbKqgV0KeRUkwCAv5DrYnKCe6j8Oykohad/U/wjyoEO38rqIRTBjGMKuhPMPKJ yKKbJ1bA/UrOv79ub5idYezhCSq7Q= X-Google-Smtp-Source: AGHT+IEGAwxzsL1U3Lh1GidH2+TaWZoIimXq8Fb4bRfgEqs8/ppmU8IgZDvCzkx0BrIEQCE3ZP0vb7CBQg== X-Received: from fuad.c.googlers.com ([fda3:e722:ac3:cc00:28:9cb1:c0a8:1613]) (user=tabba job=sendgmr) by 2002:a05:6902:100e:b0:dd9:2a64:e98a with SMTP id w14-20020a056902100e00b00dd92a64e98amr60029ybt.9.1711560982568; Wed, 27 Mar 2024 10:36:22 -0700 (PDT) Date: Wed, 27 Mar 2024 17:35:08 +0000 In-Reply-To: <20240327173531.1379685-1-tabba@google.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240327173531.1379685-1-tabba@google.com> X-Mailer: git-send-email 2.44.0.478.gd926399ef9-goog Message-ID: <20240327173531.1379685-22-tabba@google.com> Subject: [PATCH v1 21/44] 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 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 cdbbfa3246c1..3c0fefb1dd73 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -786,6 +786,8 @@ 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) -- 2.44.0.478.gd926399ef9-goog