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=-7.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SIGNED_OFF_BY,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 A1FBBC433E0 for ; Thu, 16 Jul 2020 23:53:04 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5E485206F4 for ; Thu, 16 Jul 2020 23:53:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="qgdn9gwX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5E485206F4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C84B96B0005; Thu, 16 Jul 2020 19:53:03 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C36586B0071; Thu, 16 Jul 2020 19:53:03 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B4B396B0073; Thu, 16 Jul 2020 19:53:03 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0181.hostedemail.com [216.40.44.181]) by kanga.kvack.org (Postfix) with ESMTP id 9EA2F6B0005 for ; Thu, 16 Jul 2020 19:53:03 -0400 (EDT) Received: from smtpin21.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 3D50D2DFD for ; Thu, 16 Jul 2020 23:53:03 +0000 (UTC) X-FDA: 77045592246.21.ants66_1404d2626f06 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin21.hostedemail.com (Postfix) with ESMTP id 1D97C180442CD for ; Thu, 16 Jul 2020 23:52:59 +0000 (UTC) X-HE-Tag: ants66_1404d2626f06 X-Filterd-Recvd-Size: 3717 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf39.hostedemail.com (Postfix) with ESMTP for ; Thu, 16 Jul 2020 23:52:58 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (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 A8847206F4; Thu, 16 Jul 2020 23:52:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594943577; bh=4CYHGW9f4TNDqQkfNjdBI3p0P2PYHswYd3FtirRWxXc=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=qgdn9gwXPbrVgYJvq6kzBsXYH+nQmYTZwhsChh6QZz6ZEJIHbq3kLU4EiWkFCoNtn 33DUYjVC5p42m9+RqLVs2IqhO3Se5pnt5jgnSEDxmoWXmxBJOXV/O+YZYKTww39/wl Bf+i96oXjizncsBu4hURDwZUNrys7aoCbESTM43w= Date: Thu, 16 Jul 2020 16:52:57 -0700 From: Andrew Morton To: Vlastimil Babka Cc: "Alexander A. Klimov" , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm: thp: Replace HTTP links with HTTPS ones Message-Id: <20200716165257.88776064be381ca5797983c5@linux-foundation.org> In-Reply-To: <642ab4dc-d0fb-d973-0e5e-7d1bc7d90f11@suse.cz> References: <20200713164345.36088-1-grandmaster@al2klimov.de> <642ab4dc-d0fb-d973-0e5e-7d1bc7d90f11@suse.cz> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 1D97C180442CD X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 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: On Tue, 14 Jul 2020 11:41:37 +0200 Vlastimil Babka wrote: > > --- a/mm/huge_memory.c > > +++ b/mm/huge_memory.c > > @@ -2069,7 +2069,7 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd, > > * free), userland could trigger a small page size TLB miss on the > > * small sized TLB while the hugepage TLB entry is still established in > > * the huge TLB. Some CPU doesn't like that. > > - * See http://support.amd.com/us/Processor_TechDocs/41322.pdf, Erratum > > + * See https://support.amd.com/us/Processor_TechDocs/41322.pdf, Erratum > > * 383 on page 93. Intel should be safe but is also warns that it's > > Well, it was a good opportunity to find out that the link doesn't work anyway. > The pdf seems to be now at > http://support.amd.com/TechDocs/41322_10h_Rev_Gd.pdf > and the erratum is on page 105 Thanks. From: Andrew Morton Subject: mm-thp-replace-http-links-with-https-ones-fix fix amd.com URL, per Vlastimil Cc: "Alexander A. Klimov" Cc: Vlastimil Babka Signed-off-by: Andrew Morton --- mm/huge_memory.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/mm/huge_memory.c~mm-thp-replace-http-links-with-https-ones-fix +++ a/mm/huge_memory.c @@ -2065,8 +2065,8 @@ static void __split_huge_pmd_locked(stru * free), userland could trigger a small page size TLB miss on the * small sized TLB while the hugepage TLB entry is still established in * the huge TLB. Some CPU doesn't like that. - * See https://support.amd.com/us/Processor_TechDocs/41322.pdf, Erratum - * 383 on page 93. Intel should be safe but is also warns that it's + * See http://support.amd.com/TechDocs/41322_10h_Rev_Gd.pdf, Erratum + * 383 on page 105. Intel should be safe but is also warns that it's * only safe if the permission and cache attributes of the two entries * loaded in the two TLB is identical (which should be the case here). * But it is generally safer to never allow small and huge TLB entries _