From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 05332C43331 for ; Fri, 27 Mar 2020 17:53:09 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 8674D2072F for ; Fri, 27 Mar 2020 17:53:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="KSeYpGA6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8674D2072F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 4C70C4B089; Fri, 27 Mar 2020 13:53:07 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Authentication-Results: mm01.cs.columbia.edu (amavisd-new); dkim=softfail (fail, message has been altered) header.i=@kernel.org Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Vmk1olYGAp2N; Fri, 27 Mar 2020 13:53:05 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 3CE3E4B088; Fri, 27 Mar 2020 13:53:05 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id BA2CA4B088 for ; Fri, 27 Mar 2020 13:53:03 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id K+9o56Nbe1QN for ; Fri, 27 Mar 2020 13:53:02 -0400 (EDT) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id A4B0F4AEDC for ; Fri, 27 Mar 2020 13:53:02 -0400 (EDT) Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 862042072F; Fri, 27 Mar 2020 17:53:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585331581; bh=hDjqaL0X3nrh5jBH9jkSsUvxSlT36Iz84f9JS0CCci8=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=KSeYpGA6t09aDn999+h+fGxkfZNcXlyiWjd92rsrYpDJ0bUPPPxfRMPEw9OICYnSX aWut34lUw0bCh2vfkxnkS7tp3j4cqPp5v5hwzZhQ5onGBEVKdLl52tisz41IIBY4HO Q188C4cuHe/ORNvSnxb0iv829EKq3/4zVTjAajsY= Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1jHtAB-00GGLg-Mf; Fri, 27 Mar 2020 17:52:59 +0000 MIME-Version: 1.0 Date: Fri, 27 Mar 2020 17:52:59 +0000 From: Marc Zyngier To: Andrew Scull Subject: Re: [RFC PATCH] arm64: unify WORKAROUND_SPECULATIVE_AT_{NVHE,VHE} In-Reply-To: <20200327174838.GD178422@google.com> References: <20200327143941.195626-1-ascull@google.com> <1705907b-234c-6f56-1360-f598c8047d1d@arm.com> <20200327174838.GD178422@google.com> Message-ID: X-Sender: maz@kernel.org User-Agent: Roundcube Webmail/1.3.10 X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: ascull@google.com, steven.price@arm.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, qperret@google.com, dbrazdil@google.com, qwandor@google.com, tabba@google.com, wedsonaf@google.com, kernel-team@android.com, James.Morse@arm.com, Suzuki.Poulose@arm.com, will@kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Cc: qwandor@google.com, Will Deacon , Steven Price , wedsonaf@google.com, tabba@google.com, dbrazdil@google.com, kernel-team@android.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Hi Andrew, On 2020-03-27 17:48, Andrew Scull wrote: > Thanks, Steven. Could we look into the EPD* caching microarch details > Marc was referring to for these A55 and A76 cores? Only the folks that have access to the RTL can tell you, unfortunately. Thankfully, there is a bunch of people on Cc that should be able to ping the relevant teams and report back... Thanks, M. -- Jazz is not dead. It just smells funny... _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm