From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx49PcmeVHF52Y34bpd4aCPuTwVJVwv88uVdOUdGj9sHZR2zV6gSyakvS+RTeXPOuU7pu2I4R ARC-Seal: i=1; a=rsa-sha256; t=1522919374; cv=none; d=google.com; s=arc-20160816; b=I/8W3DTn83ra67NA99gqsy5xCuu2rYH9r/+n1q6RJimZ8SVSsoGFMAhJnJ/uFDaBhp bVqzmyi6Fv9PPDEEoquOeQOM3Spg2eIkyhC9N1E/U7utKgo+69I6xLLmg5GeF2ZtCPFs pLksa+eX58g/i1nDBSeuMkyw9xeyLcjxXnUfORGS7Rd9+bmTl+628nJEn8inrHywPzJS sTGPkT7pmkh9+BwlUQIKCd4jaHY1KTOtFuWHaBfInxiV0Fvh/aMKJD93rrYUAMHPtCjJ cSwq0uBTDEFHl0WUu+5FKxCtDDb3niO4utt3j5Q+27g7/mXvF8zZc7AE9KsDiQZSxZxN iLwA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:content-language:in-reply-to:mime-version :user-agent:date:message-id:references:cc:to:from:subject :dmarc-filter:dkim-signature:dkim-signature :arc-authentication-results; bh=p/tLoCjGHNhTPy+2aupGINvTFVp01nsOSieC/toC1lE=; b=EeXOlp7i5T/4aC/+Pz2OPz3IGHEyCxcixMa6/AHxN9PRCBs6YGmHs9fK99LSvE/b2b ya/PKrNqgYtrcnZVAYm4NvX88Rws2Kul9f9HnKqYVa4w1gocJOAtQQihISah163ai/fU AghKY8kyCePAk/woqgSVIaZu8lSQOOyMgR6vOPtvBZExd4+T0fUMCac88NnSMLP7UQGJ XbI1c/v8nTjT4HbDjYt+0bMcSH/mdFdxyomjcWB0Fk7Bdhv2UyU4/wtnPwkdSLvjfL3d CxC+pWOyAeS4aWci67zVcQCrzAu+eqUzeomBeI72QsXzrLwz0GkxYKCQ79tLkQeylDEv J9sw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@codeaurora.org header.s=default header.b=J1niWxFA; dkim=pass header.i=@codeaurora.org header.s=default header.b=UmF1wIbv; spf=pass (google.com: domain of cpandya@codeaurora.org designates 198.145.29.96 as permitted sender) smtp.mailfrom=cpandya@codeaurora.org Authentication-Results: mx.google.com; dkim=pass header.i=@codeaurora.org header.s=default header.b=J1niWxFA; dkim=pass header.i=@codeaurora.org header.s=default header.b=UmF1wIbv; spf=pass (google.com: domain of cpandya@codeaurora.org designates 198.145.29.96 as permitted sender) smtp.mailfrom=cpandya@codeaurora.org DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org AEB69601B4 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=cpandya@codeaurora.org Subject: Re: [PATCH v8 0/4] Fix issues with huge mapping in ioremap for ARM64 From: Chintan Pandya To: Marc Zyngier , catalin.marinas@arm.com, will.deacon@arm.com, mark.rutland@arm.com, toshi.kani@hpe.com Cc: linux-arch@vger.kernel.org, arnd@arndb.de, ard.biesheuvel@linaro.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, kristina.martsenko@arm.com, takahiro.akashi@linaro.org, james.morse@arm.com, tglx@linutronix.de, akpm@linux-foundation.org, linux-arm-kernel@lists.infradead.org References: <1522742446-5084-1-git-send-email-cpandya@codeaurora.org> <0229cecc-18fc-c3ef-a5cb-be3f9829cad4@codeaurora.org> Message-ID: Date: Thu, 5 Apr 2018 14:39:15 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <0229cecc-18fc-c3ef-a5cb-be3f9829cad4@codeaurora.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1596711199968894044?= X-GMAIL-MSGID: =?utf-8?q?1596896705636850690?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On 4/3/2018 5:25 PM, Chintan Pandya wrote: > > > On 4/3/2018 2:13 PM, Marc Zyngier wrote: >> Hi Chintan, > Hi Marc, >> >> On 03/04/18 09:00, Chintan Pandya wrote: >>> This series of patches are follow up work (and depends on) >>> Toshi Kani 's patches "fix memory leak/ >>> panic in ioremap huge pages". >>> >>> This series of patches are tested on 4.9 kernel with Cortex-A75 >>> based SoC. >> >> Given that this is targeting mainline, can you please test with 4.16? >> Basing your patches on something that is over 15 months old is not >> exactly reassuring. > > We have 4.14 ported with the devices (remotely) accessible to me. If > that's sufficient, I will post test report by tomorrow. > > If we really require these patches to be tested with 4.16, I would need > some help here. > Rajendra Nayak helped me with testing these patches on 4.16 kernel (with all the dependent patches already part of 4.16) on SDM845. In addition to kernel boot up, he executed my test-code which was stressing ioremap framework and was able to reproduce the bug without these patches (and Will Deacon's WA). That passed 10hrs of run. [36001.446355] IOREMAP_TEST: my tests ended now Thanks Rajendra Nayak for testing these patches. > Thanks, > >> >> Thanks, >> >>     M. >> > > Chintan Chintan -- Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project