From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3220176-1519791049-2-8816448645405942527 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, RCVD_IN_DNSWL_NONE -0.0001, RCVD_IN_MSPIKE_H3 -0.01, RCVD_IN_MSPIKE_WL -0.01, SPF_PASS -0.001, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='74.125.83.67', Host='mail-pg0-f67.google.com', Country='US', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='utf-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: alex.shi@linaro.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1519791048; b=KtZyZQEvqkjo09QLrd1tJMKVC/FdyoZGEokitU/afphWy9m vK0Pl55t0DW7Bje42RJUwsD6kxaob7VKL7ihajnwiWZWt9O/TyGTkBp3J7H0U3af ETlikI5a9fucKJzcV+YNon37WnIVblviBa0Cffa0XfEeKGx4Nba6+ryPVUVp+Zzf mknP7M3GQsrzfy3NkjhiTfnCVdRqrX6NBZjo6Rh/batijeZb68AL00XLIwcbbs4e rZmMEBRbWbn6pxIYwNl4FPYmNctu0LtFE1AFSx+AWfyOreLD77InBcWYuO6y5QIM kvQvFfw290eUO8TjVIKTaWOtA+6bxOxDdvYkUMg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=subject:to:cc:references:from:message-id :date:mime-version:in-reply-to:content-type :content-transfer-encoding; s=arctest; t=1519791048; bh=RZMUAaCI eHGpW7bJVe81xnfhceYtJIPBe6A7RWj0JMM=; b=dyde3dpyi61A+x0sRST+dHUC cdyJIjKm7SM91NqZjCZaDoXEQ5ZTfD18UiVcX4t+8kxbldJuT6bdbtmYixk1nrC3 8ZRp8oRGYFOdUObaFdzodUoP3fjhxQfxmzTAQGRgFaJBkhhl9AZyUDbJOkt1L9XH yPjwip+PCCJ1ELk/NcOWYsydjIZDmjGtiGmOOPmwYYR60StjWdOIXQUdvjhFaE2V 8SeVXZGTeo292moKHsjXX3MKiqSEZ5K5PyZk1u3ihcRCkxv141b9C6NLc6RZg0om zW4yWlHV9X04X1gmGYlsou3mpwGm91HCneNhGr3oq/i6qMU/sSxLmbCmGn22Yg== ARC-Authentication-Results: i=1; mx2.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=linaro.org header.i=@linaro.org header.b=UeMm45UZ x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=google; dmarc=pass (p=none,d=none) header.from=linaro.org; iprev=pass policy.iprev=74.125.83.67 (mail-pg0-f67.google.com); spf=pass smtp.mailfrom=alex.shi@linaro.org smtp.helo=mail-pg0-f67.google.com; x-aligned-from=pass; x-google-dkim=pass (2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=QlORI9Wk; x-ptr=pass x-ptr-helo=mail-pg0-f67.google.com x-ptr-lookup=mail-pg0-f67.google.com; x-return-mx=pass smtp.domain=linaro.org smtp.result=pass smtp_is_org_domain=yes header.domain=linaro.org header.result=pass header_is_org_domain=yes; x-tls=pass version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128 Authentication-Results: mx2.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=linaro.org header.i=@linaro.org header.b=UeMm45UZ x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=google; dmarc=pass (p=none,d=none) header.from=linaro.org; iprev=pass policy.iprev=74.125.83.67 (mail-pg0-f67.google.com); spf=pass smtp.mailfrom=alex.shi@linaro.org smtp.helo=mail-pg0-f67.google.com; x-aligned-from=pass; x-google-dkim=pass (2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=QlORI9Wk; x-ptr=pass x-ptr-helo=mail-pg0-f67.google.com x-ptr-lookup=mail-pg0-f67.google.com; x-return-mx=pass smtp.domain=linaro.org smtp.result=pass smtp_is_org_domain=yes header.domain=linaro.org header.result=pass header_is_org_domain=yes; x-tls=pass version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128 X-Google-Smtp-Source: AH8x224CqkdP52jxO3COWRbJyFlzRnc4OEUWBkQ723XQmZeUmyaayFkHSw5LOqxH3s8KOo/nQTU0YQ== Subject: Re: [PATCH 46/52] arm: Add BTB invalidation on switch_mm for Cortex-A9, A12 and A17 To: Will Deacon Cc: Greg KH , Marc Zyngier , Ard Biesheuvel , Catalin Marinas , stable@vger.kernel.org, Russell King , "moderated list:ARM PORT" , open list References: <1519633227-29832-1-git-send-email-alex.shi@linaro.org> <1519633227-29832-47-git-send-email-alex.shi@linaro.org> <20180226100518.GA11378@kroah.com> <3fa9ebcb-fe94-bbd6-49a7-e90c91c3905e@linaro.org> <20180226104505.GB8736@arm.com> From: Alex Shi Message-ID: Date: Wed, 28 Feb 2018 12:10:28 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: <20180226104505.GB8736@arm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On 02/26/2018 06:45 PM, Will Deacon wrote: > On Mon, Feb 26, 2018 at 06:40:42PM +0800, Alex Shi wrote: >> >> >> On 02/26/2018 06:05 PM, Greg KH wrote: >>> On Mon, Feb 26, 2018 at 04:20:20PM +0800, Alex Shi wrote: >>>> From: Marc Zyngier >>>> >>>> ** Not yet queued for inclusion in mainline ** >>> >>> As Marc said, this should have been a HUGE clue that we can't take this >>> patch. Please go re-read >>> https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html >>> >> >> Thanks for comments, Greg! >> >> I read the rules for several times, and thought it maybe a exception for >> this bug fix. But since MarcZ said so. We can wait. :) > > The reason I added the disclaimer to the commit message was precisely to > avoid these things accidentally going into stable. If stable diverges > significantly from mainline, it's just going to make backports of other > patches more difficult. So no, we shouldn't be considering an exception > for this. > Hi Will, Got it. Thanks for explanations! I remove all non upstream patches and put it on git://git.linaro.org/kernel/linux-linaro-stable.git v4.9-spectre-upstream-only If other patches passed review. it could be got as whole branch from there. Thanks Alex