From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-qv1-f54.google.com (mail-qv1-f54.google.com [209.85.219.54]) (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 ECA16126C18 for ; Tue, 25 Feb 2025 14:26:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.54 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740493603; cv=none; b=fSaAyZsWMyV19H9L2kbGesAy1u9M6KvRo7hsjRkuKVAav+BOpcFxcAqGbyIWsDCsjes54fXB6UJcKYbQuoInWT86mFNDQ8o5EluEg60QHCGWXpe8Ld5urAZeYuxQAfGPeE/9Afw6B/Ip1PW2GhPqa0JCioaJBb3svlHRtZKQAE0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740493603; c=relaxed/simple; bh=n9Y1zWdlW7XdvxCgigcZQ294bMPYRptmF9djWDGanjI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=G+yMovEkqzR6jVES3WOELRZ2nRT74XnaihO+zFPZM0UivvuYM2txVPkN7Af5L0g4G57IEazZUyTl4VWi72rrOW6s7b8idRGlelOjAl+/VlARY6EhAjCltPhLHTVOy0/OSTfiEAQv3cTIROrWAcgP/K7Sa5OjehImNI+ueI+HsHQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ziepe.ca; spf=pass smtp.mailfrom=ziepe.ca; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b=Tkn9mUlJ; arc=none smtp.client-ip=209.85.219.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ziepe.ca Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ziepe.ca Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="Tkn9mUlJ" Received: by mail-qv1-f54.google.com with SMTP id 6a1803df08f44-6e65be7d86fso62695116d6.1 for ; Tue, 25 Feb 2025 06:26:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; t=1740493601; x=1741098401; darn=lists.linux.dev; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=vwKokAatgiCcL0k0jHomkX9bY7N8OAn5bboh4atLxe0=; b=Tkn9mUlJoP77+OuLrZ2Q414QnuK7BkrY/bou+0/YH0ROsLLtGVr8XGd+pFvbcM3ylh Vs5Gib8M08VX1hyxJQXaseYJyZ+59Eo7xgICWd7kjWIrz9VA8H2IahUXj+KLzFwjnEsC 9s+VG3SzC3t4gU1hJjhWdC9O0+ZuRZ2CQqi4wcfdsSh1isgA8Ts4w+jEwyHMWI5sJwgE Bolh/PWt1iABJeSo4XOztRFuyz5Z7NtYMnP8USr7myAYDAOHftAtmzucwK+fnkcnlE2Y pPH4wkFs5lvG0SitEahlhrAzTrfdYQJnTYDGHxwpu+4v0cCC/QajB9r3ihDbpPSlB0fM 2OsA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740493601; x=1741098401; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=vwKokAatgiCcL0k0jHomkX9bY7N8OAn5bboh4atLxe0=; b=lQHgB03ZCgZLC7Re82N8l5d4QyWM9CqQO2tBl3tNsfm2eNy2PC6KiTFt3NLKMCzhdF 1z+G4vEVRrYTK7t/PKYLvxvre8+NkROfvsmEdQkbXhftLZt1wfEAj6VggHHSujbvo6E3 tx1WwMbLGhHuOPCE0fzgndVyXmIvg3htR6ESoKexV/eLB9HPglVWErkVUiidMFtdYEl+ cFUeslLrD0/6A3JVl60TekpZq6I4jtejoyfDHSioOvE0a2H+gCihby2h426XNkEUv3Gq t/TnNLfcC6bOLjZJ1r/TLkgnFpqcDMMPtoeE4Iuso18IZbsiiaSdNqhKjurLndrV3gXB Husg== X-Gm-Message-State: AOJu0Ywl5IJpMT5evLchatD9roZZqSWKMAGNUAWcCiLKbi+I1lTb0U2h NsPZ7QRIblAVVhatsCT0IGRFmNdheqMa/1sW35WCaR41yN+foV6W7JRo2DiJmT8= X-Gm-Gg: ASbGncstNb7VdGAuN+jeBxIJUDaBeWstsTFOxfOW0jjWpBSF6BrMwl6daGqOA7iK+No bAK2uymOLWioWC3j5PW6pQzvDKOel6TVQ+sVOok5lAtWDaqlhfCzxHaTykl1JGmVvNBwACP+/iN 6ZYjckFMondpO0S8tGQwKMPz4EVvZNc5tUUycxGZhE3H2BIGyAMxRRClmumgpAsf3hyMGfi6Eh1 PL+qJ1GxfeTxyRmjo6wGX1YMfnGCc6kZTIG21CjpG+KhF2puoRVi5vS0ZIdSRxQTlDBrT3IuCCY X-Google-Smtp-Source: AGHT+IFErax5GNv5M4UF+gT12hN4C5+dx2u+kXojxB9jftz3EhxTDpFoJXcfESNXE0159ZMg0RYvCw== X-Received: by 2002:a05:6214:224a:b0:6e2:383f:4acd with SMTP id 6a1803df08f44-6e6ae77a99bmr250310566d6.7.1740493600832; Tue, 25 Feb 2025 06:26:40 -0800 (PST) Received: from ziepe.ca ([130.41.10.206]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6e87b17103bsm9810036d6.94.2025.02.25.06.26.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Feb 2025 06:26:40 -0800 (PST) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1tmvtP-00000002T2f-39V1; Tue, 25 Feb 2025 10:26:39 -0400 Date: Tue, 25 Feb 2025 10:26:39 -0400 From: Jason Gunthorpe To: Vasant Hegde Cc: iommu@lists.linux.dev, joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, suravee.suthikulpanit@amd.com Subject: Re: [PATCH 1/7] iommu/amd: Log IOMMU control register in event log path Message-ID: <20250225142639.GC545008@ziepe.ca> References: <20250225105345.52143-1-vasant.hegde@amd.com> <20250225105345.52143-2-vasant.hegde@amd.com> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250225105345.52143-2-vasant.hegde@amd.com> On Tue, Feb 25, 2025 at 10:53:39AM +0000, Vasant Hegde wrote: > Useful for debugging ILLEGAL_DEV_TABLE_ENTRY events as some of the > DTE settings depends on Control register settings. > > Signed-off-by: Vasant Hegde > --- > drivers/iommu/amd/iommu.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) Reviewed-by: Jason Gunthorpe Jason