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=-14.0 required=3.0 tests=BAYES_00, INCLUDES_PULL_REQUEST,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE, SPF_PASS autolearn=ham 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 CC340C433E0 for ; Fri, 5 Mar 2021 18:48:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8129D6508B for ; Fri, 5 Mar 2021 18:48:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229512AbhCESrv (ORCPT ); Fri, 5 Mar 2021 13:47:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:57496 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229446AbhCESrq (ORCPT ); Fri, 5 Mar 2021 13:47:46 -0500 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 BB0586508B; Fri, 5 Mar 2021 18:47:45 +0000 (UTC) Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1lIFUF-00HYCq-KG; Fri, 05 Mar 2021 18:47:43 +0000 Date: Fri, 05 Mar 2021 18:47:42 +0000 Message-ID: <87eegtzbch.wl-maz@kernel.org> From: Marc Zyngier To: Paolo Bonzini Cc: Alexandru Elisei , Andre Przywara , Andrew Scull , Catalin Marinas , Christoffer Dall , Howard Zhang , Jia He , Mark Rutland , Quentin Perret , Shameerali Kolothum Thodi , Suzuki K Poulose , Will Deacon , James Morse , Julien Thierry , kernel-team@android.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Subject: Re: [GIT PULL] KVM/arm64 fixes for 5.12, take #1 In-Reply-To: <847417af-fdab-9ca1-3edc-39f1d77cb6cb@redhat.com> References: <20210305164944.3729910-1-maz@kernel.org> <847417af-fdab-9ca1-3edc-39f1d77cb6cb@redhat.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: pbonzini@redhat.com, alexandru.elisei@arm.com, andre.przywara@arm.com, ascull@google.com, catalin.marinas@arm.com, christoffer.dall@arm.com, Howard.Zhang@arm.com, justin.he@arm.com, mark.rutland@arm.com, qperret@google.com, shameerali.kolothum.thodi@huawei.com, suzuki.poulose@arm.com, will@kernel.org, james.morse@arm.com, julien.thierry.kdev@gmail.com, kernel-team@android.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Hi Paolo, On Fri, 05 Mar 2021 17:27:36 +0000, Paolo Bonzini wrote: > > On 05/03/21 17:49, Marc Zyngier wrote: > > Hi Paolo, > > > > Here's the first batch of fixes for 5.12. We have a handful of low > > level world-switch regressions, a page table walker fix, more PMU > > tidying up, and a workaround for systems with creative firmware. > > > > Note that this is based on -rc1 despite the breakage, as I didn't feel > > like holding these patches until -rc2. > > > > Please pull, > > > > M. > > > > The following changes since commit fe07bfda2fb9cdef8a4d4008a409bb02f35f1bd8: > > > > Linux 5.12-rc1 (2021-02-28 16:05:19 -0800) > > > > are available in the Git repository at: > > > > git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-5.12-1 > > > > for you to fetch changes up to e85583b3f1fe62c9b371a3100c1c91af94005ca9: > > > > KVM: arm64: Fix range alignment when walking page tables (2021-03-04 09:54:12 +0000) > > Hi Marc, > > due to a severe data corruption bug in 5.12-rc1, Linus suggested not > including 5.12-rc1 in trees to avoid it eating our filesystems > unwittingly during future bisections. > > Would it be a problem for you to rebase on top of your merge window > pull request? If there are conflicts, another possibility is for you > to just send me the patch series. I will handle all the topic branch > juggling. > > This will mean rewriting kvmarm.git's history, but it does seem to be > the lesser (or the most future-proof) evil. The problem is that this is not only kvmarm, but also the Android tree, which directly pulls from the kvmarm stable branches. I guess we'll have to live with it. I'll reply to this email with the patch series. Thanks, M. -- Without deviation from the norm, progress is not possible. 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=-14.0 required=3.0 tests=BAYES_00, INCLUDES_PULL_REQUEST,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE, SPF_PASS autolearn=ham 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 E72B7C433DB for ; Fri, 5 Mar 2021 18:47:53 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 4C62B650A1 for ; Fri, 5 Mar 2021 18:47:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4C62B650A1 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 CB2124B6CB; Fri, 5 Mar 2021 13:47:52 -0500 (EST) 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 OKqhGcL3EMRB; Fri, 5 Mar 2021 13:47:51 -0500 (EST) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id AF4E94B6C4; Fri, 5 Mar 2021 13:47:51 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id A8A6A4B6C4 for ; Fri, 5 Mar 2021 13:47:50 -0500 (EST) 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 S8G5vXswOjIk for ; Fri, 5 Mar 2021 13:47:48 -0500 (EST) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id AC5994B6C1 for ; Fri, 5 Mar 2021 13:47:48 -0500 (EST) 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 BB0586508B; Fri, 5 Mar 2021 18:47:45 +0000 (UTC) Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1lIFUF-00HYCq-KG; Fri, 05 Mar 2021 18:47:43 +0000 Date: Fri, 05 Mar 2021 18:47:42 +0000 Message-ID: <87eegtzbch.wl-maz@kernel.org> From: Marc Zyngier To: Paolo Bonzini Subject: Re: [GIT PULL] KVM/arm64 fixes for 5.12, take #1 In-Reply-To: <847417af-fdab-9ca1-3edc-39f1d77cb6cb@redhat.com> References: <20210305164944.3729910-1-maz@kernel.org> <847417af-fdab-9ca1-3edc-39f1d77cb6cb@redhat.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: pbonzini@redhat.com, alexandru.elisei@arm.com, andre.przywara@arm.com, ascull@google.com, catalin.marinas@arm.com, christoffer.dall@arm.com, Howard.Zhang@arm.com, justin.he@arm.com, mark.rutland@arm.com, qperret@google.com, shameerali.kolothum.thodi@huawei.com, suzuki.poulose@arm.com, will@kernel.org, james.morse@arm.com, julien.thierry.kdev@gmail.com, kernel-team@android.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.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: kernel-team@android.com, Jia He , kvm@vger.kernel.org, Will Deacon , Andre Przywara , Howard Zhang , Catalin Marinas , 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-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Hi Paolo, On Fri, 05 Mar 2021 17:27:36 +0000, Paolo Bonzini wrote: > > On 05/03/21 17:49, Marc Zyngier wrote: > > Hi Paolo, > > > > Here's the first batch of fixes for 5.12. We have a handful of low > > level world-switch regressions, a page table walker fix, more PMU > > tidying up, and a workaround for systems with creative firmware. > > > > Note that this is based on -rc1 despite the breakage, as I didn't feel > > like holding these patches until -rc2. > > > > Please pull, > > > > M. > > > > The following changes since commit fe07bfda2fb9cdef8a4d4008a409bb02f35f1bd8: > > > > Linux 5.12-rc1 (2021-02-28 16:05:19 -0800) > > > > are available in the Git repository at: > > > > git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-5.12-1 > > > > for you to fetch changes up to e85583b3f1fe62c9b371a3100c1c91af94005ca9: > > > > KVM: arm64: Fix range alignment when walking page tables (2021-03-04 09:54:12 +0000) > > Hi Marc, > > due to a severe data corruption bug in 5.12-rc1, Linus suggested not > including 5.12-rc1 in trees to avoid it eating our filesystems > unwittingly during future bisections. > > Would it be a problem for you to rebase on top of your merge window > pull request? If there are conflicts, another possibility is for you > to just send me the patch series. I will handle all the topic branch > juggling. > > This will mean rewriting kvmarm.git's history, but it does seem to be > the lesser (or the most future-proof) evil. The problem is that this is not only kvmarm, but also the Android tree, which directly pulls from the kvmarm stable branches. I guess we'll have to live with it. I'll reply to this email with the patch series. Thanks, M. -- Without deviation from the norm, progress is not possible. _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm 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=-14.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_PULL_REQUEST,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 63B0CC433E9 for ; Fri, 5 Mar 2021 18:49:36 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E3C4365090 for ; Fri, 5 Mar 2021 18:49:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E3C4365090 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Subject:Cc:To: From:Message-ID:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=umEYeWAiy/x6hwIWe6/FGHzCpEdyfIgcye8pdoyKesU=; b=i0cHQ3wTcDHewc2JVL2h9QYIo EhT6zTrv7yCnKmOwV1mo/7vzEzZ5Z0lYiNAZ8+KrrQfmk5dPjkbzTn3gDZFPV8PWtVxAA/9EEKeAJ cfIzW7CwA4Xyrf4k/g13CHgwWfee5luTDse4Upn8qW1KpxHAdrij5B1K9n4tz6/rWLwcX8Q5nNU4u ygPU6SG4LpiUh6XBawL8epD8h2e/g/M60O9dBnplJaXIJ8AsRDUErEKUa1K9TTp8joRC+9exWqYTD lxYOjRQk+1GbtMV2/Mca2D8mKonTGbsnk7RUVb+rcgTAWaKxD53h2xJa/oeLUsp1Sqk3634jRDQu2 x7MGQdWaQ==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lIFUO-00G29v-HR; Fri, 05 Mar 2021 18:47:53 +0000 Received: from mail.kernel.org ([198.145.29.99]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lIFUJ-00G29A-Gl for linux-arm-kernel@lists.infradead.org; Fri, 05 Mar 2021 18:47:50 +0000 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 BB0586508B; Fri, 5 Mar 2021 18:47:45 +0000 (UTC) Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94) (envelope-from ) id 1lIFUF-00HYCq-KG; Fri, 05 Mar 2021 18:47:43 +0000 Date: Fri, 05 Mar 2021 18:47:42 +0000 Message-ID: <87eegtzbch.wl-maz@kernel.org> From: Marc Zyngier To: Paolo Bonzini Cc: Alexandru Elisei , Andre Przywara , Andrew Scull , Catalin Marinas , Christoffer Dall , Howard Zhang , Jia He , Mark Rutland , Quentin Perret , Shameerali Kolothum Thodi , Suzuki K Poulose , Will Deacon , James Morse , Julien Thierry , kernel-team@android.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Subject: Re: [GIT PULL] KVM/arm64 fixes for 5.12, take #1 In-Reply-To: <847417af-fdab-9ca1-3edc-39f1d77cb6cb@redhat.com> References: <20210305164944.3729910-1-maz@kernel.org> <847417af-fdab-9ca1-3edc-39f1d77cb6cb@redhat.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/27.1 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: pbonzini@redhat.com, alexandru.elisei@arm.com, andre.przywara@arm.com, ascull@google.com, catalin.marinas@arm.com, christoffer.dall@arm.com, Howard.Zhang@arm.com, justin.he@arm.com, mark.rutland@arm.com, qperret@google.com, shameerali.kolothum.thodi@huawei.com, suzuki.poulose@arm.com, will@kernel.org, james.morse@arm.com, julien.thierry.kdev@gmail.com, kernel-team@android.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210305_184748_735973_49B08E22 X-CRM114-Status: GOOD ( 27.45 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Paolo, On Fri, 05 Mar 2021 17:27:36 +0000, Paolo Bonzini wrote: > > On 05/03/21 17:49, Marc Zyngier wrote: > > Hi Paolo, > > > > Here's the first batch of fixes for 5.12. We have a handful of low > > level world-switch regressions, a page table walker fix, more PMU > > tidying up, and a workaround for systems with creative firmware. > > > > Note that this is based on -rc1 despite the breakage, as I didn't feel > > like holding these patches until -rc2. > > > > Please pull, > > > > M. > > > > The following changes since commit fe07bfda2fb9cdef8a4d4008a409bb02f35f1bd8: > > > > Linux 5.12-rc1 (2021-02-28 16:05:19 -0800) > > > > are available in the Git repository at: > > > > git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-5.12-1 > > > > for you to fetch changes up to e85583b3f1fe62c9b371a3100c1c91af94005ca9: > > > > KVM: arm64: Fix range alignment when walking page tables (2021-03-04 09:54:12 +0000) > > Hi Marc, > > due to a severe data corruption bug in 5.12-rc1, Linus suggested not > including 5.12-rc1 in trees to avoid it eating our filesystems > unwittingly during future bisections. > > Would it be a problem for you to rebase on top of your merge window > pull request? If there are conflicts, another possibility is for you > to just send me the patch series. I will handle all the topic branch > juggling. > > This will mean rewriting kvmarm.git's history, but it does seem to be > the lesser (or the most future-proof) evil. The problem is that this is not only kvmarm, but also the Android tree, which directly pulls from the kvmarm stable branches. I guess we'll have to live with it. I'll reply to this email with the patch series. Thanks, M. -- Without deviation from the norm, progress is not possible. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel