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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09A46C3DA42 for ; Wed, 10 Jul 2024 14:43:52 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5B4B36B009B; Wed, 10 Jul 2024 10:43:52 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 53C8E6B009C; Wed, 10 Jul 2024 10:43:52 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3DD476B009D; Wed, 10 Jul 2024 10:43:52 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 1FB8D6B009B for ; Wed, 10 Jul 2024 10:43:52 -0400 (EDT) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id A715E1A1CFF for ; Wed, 10 Jul 2024 14:43:51 +0000 (UTC) X-FDA: 82324112262.24.B4A06B6 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by imf29.hostedemail.com (Postfix) with ESMTP id 7B46312000D for ; Wed, 10 Jul 2024 14:43:48 +0000 (UTC) Authentication-Results: imf29.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=a0bIwORi; spf=pass (imf29.hostedemail.com: domain of peterx@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=peterx@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1720622612; a=rsa-sha256; cv=none; b=Y5P37p/C5sam5OaeE9xDj4rAy6s2qAL4sJ/2E/1fEBfy08rHwZf4wBSfDrCi8OzdMGh3Nr ESfEu15yU2d8pcqpLb4wJej52Yr4x8gB1NYGKSVrsZQPzmMN2YLyKaMuDN/F2m/figiNfu Qo1OpqAa6iqCPpP19hGuXAFgdl/5jvs= ARC-Authentication-Results: i=1; imf29.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=a0bIwORi; spf=pass (imf29.hostedemail.com: domain of peterx@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=peterx@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1720622612; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=ZvC/1briAqboclLx4gZNfSMQXCaqMLqhaARp61h92zQ=; b=Ac++mjj1GhqtHEonsYpBr58SAc7gqlA2FBy4WZpn/9zGwbMVJt+2WT3gx8YO2zed4mzRgb gZ9ba5P3XjfA4vVG7LvWFN40TlZydckS1iuzLNhfJoI+AG5F8mBRLAERwJWt4/VhDPjPrF 32b/Hxi7Fxm3kzMrdzbbBDDwLquoV84= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1720622627; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ZvC/1briAqboclLx4gZNfSMQXCaqMLqhaARp61h92zQ=; b=a0bIwORi7lAk4GqcBPJ+5EWURT82hZv8NAbWb7aF1eUbhvMj5v15BrCAEeIgNVkAlJnmfG X8UzndUuiIHFbHgMsaXWYQ6yM9UnnG3EFHNQcICzoiOmKjLNsrAXvsq+49bGfuQaFm0IzX IzWwtAvYYD62LyGzLo9e4qD8rnmJwlE= Received: from mail-oa1-f72.google.com (mail-oa1-f72.google.com [209.85.160.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-286-F1E5MguyPaKJweFw_TMC-g-1; Wed, 10 Jul 2024 10:43:46 -0400 X-MC-Unique: F1E5MguyPaKJweFw_TMC-g-1 Received: by mail-oa1-f72.google.com with SMTP id 586e51a60fabf-25e8c18a7c8so750061fac.3 for ; Wed, 10 Jul 2024 07:43:46 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720622625; x=1721227425; 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=ZvC/1briAqboclLx4gZNfSMQXCaqMLqhaARp61h92zQ=; b=cOW7EltdJGyg10xP//9b8TVAy1bHApNc71nOid8pq19VBRaSzdyHcWwuLLvonBe9R1 YSUociNxUiZBDeaNGQLR7frnYIiRqdoIoXkTjR/o3pjETW3g/l9k1Zum3PDYD+L3gzle mk01Mlm6gOEpNKtNS8BjPbgbDaUyllddxuynplaJ3b7HVERjTValN+pHX68gI1PwmfMu uvgRUfavPZ2ceZdGWjmCiYGMRHOYVMaIBjelP2cGse9J6cWb5wP2x3E9SNVMrtQ7UuCG cv2DXNlE6CJMy6pTHoJyDCXmvQ1UAHXKyaFQwBXL6TgFTbzn4IESHeGchIUCAF7XGHpD jh1A== X-Forwarded-Encrypted: i=1; AJvYcCUa5nAuti0CS6Vp4WZtRf71RUvcPAPYa5XM2Lc2HpV4+UkuR7vl+n3FJRTl66R2XT7htKE0qcxUJntSrMvJsnHVMoM= X-Gm-Message-State: AOJu0Yw5JMXqtQvktnaPMv7Hx8goXx8Xe/lN3aQMUxNGEz9YghQKXTJM boFr9DK84RSSkbY+xt/XZJPrElCcvIdBKCosSODE0gTmoVyzx6Kgf646ZCQ1pZEmAd1Y1zF9SHV APH2+JWiBe7uPgtpNTC6xLtSdqTNBagWf1cC51fwfEyAYau4pcIsybear X-Received: by 2002:a05:6870:610c:b0:25e:180:9183 with SMTP id 586e51a60fabf-25eaecbbec3mr5784204fac.4.1720622625420; Wed, 10 Jul 2024 07:43:45 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGTD/gcLKLatwoODGC6PBmZLpDHOquqnlFmI5MDo6NjD0BVLxBJxqbPHflFRf/y2o8S5g+V2w== X-Received: by 2002:a05:6870:610c:b0:25e:180:9183 with SMTP id 586e51a60fabf-25eaecbbec3mr5784188fac.4.1720622625106; Wed, 10 Jul 2024 07:43:45 -0700 (PDT) Received: from x1n (pool-99-254-121-117.cpe.net.cable.rogers.com. [99.254.121.117]) by smtp.gmail.com with ESMTPSA id af79cd13be357-79f19022e5dsm199404585a.57.2024.07.10.07.43.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Jul 2024 07:43:44 -0700 (PDT) Date: Wed, 10 Jul 2024 10:43:41 -0400 From: Peter Xu To: Christophe Leroy Cc: Andrew Morton , Arnd Bergmann , linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, linux-riscv@lists.infradead.org, Oscar Salvador Subject: Re: [PATCH v2 1/3] arch/x86: Drop own definition of pgd,p4d_leaf Message-ID: References: MIME-Version: 1.0 In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-Stat-Signature: sb6cp91z5iwzxb46qif4fibep8aubr8x X-Rspamd-Queue-Id: 7B46312000D X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1720622628-864689 X-HE-Meta: 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 Qc5rpZi0 6WLxfqg7av90WiZWZQFuRTMhPBg1igbK6f2BGO1+nUwdTaCStNZ6ZJ3UKfuAeqLMfuJGuf+CXbC0eN8LYnLbyJ4wS34wdQa8Wym5cjyptyxEQiXtgu3E1iwIWTOjuiESXhpwuTAbIKXxSX+fnOdJs9BwtDFmJOqLV9zFQ7PWsLj70/e6B0nQ3k4rDRM4wLuWCO5G2CDV0K8o8qcbaAa640GfS89Hp3/nbcCBxuKul9T8i5XbmfFmx7h45ASa/qStMziX25RDAPM/lEWHMtaonrOM8PVDYry4998YLD7ZGYm2LfCXOrDduECxj5AM5K5jJbJnQXGF6HUBdE+xsXDAkivuF1+j11ugSGoerIXXxorlpsdb7fMT4zK3tM4M07pnu8xot3bDlzIv3nfDCfW8GM6nPpIl/PtBo1tq1UChfv9GFl8CtaKZ/0iayYiz50/Ab2ZmCsk41oSZRbg9kN57C/ghUhg6Pk4vfuvhl X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Jul 10, 2024 at 09:51:20AM +0200, Christophe Leroy wrote: > From: Oscar Salvador > > We provide generic definitions of pXd_leaf in pgtable.h when the arch > do not define their own, where the generic pXd_leaf always return false. > > Although x86 defines {pgd,p4d}_leaf, they end up being a no-op, so drop them > and make them fallback to the generic one. > > Signed-off-by: Oscar Salvador > Signed-off-by: Christophe Leroy Reviewed-by: Peter Xu -- Peter Xu