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=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_2 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 D1D15C33CAC for ; Thu, 6 Feb 2020 15:46:30 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 A7CC7214AF for ; Thu, 6 Feb 2020 15:46:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="hXOwyvGe"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="eZiEGmPz" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A7CC7214AF 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-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Aog21orWmCvIMO93m3FJWcPgAL/WiMv/T50Mu5B3r5Q=; b=hXOwyvGe1QTcDZ UIfwtLQ8XRbG5kTwfSdF6RJHaAaK8op3Etfaks+Wk40dqECTrJ57sPga8WRlha7fNuw/vqwXCcyKc qkYB0OVWgikl565N7JmgQPlyc7dwDnatlMTj4JM+iddk+KoDaW+uoHnuRn8/AnVPuUqTNN6xiNpGy YOCL3hr/GotzXZtUxXVHNKMo/klqGT30jMGbiaC62fJO3PrqPIAGmDtm2tiZj3ylXuU1etSx6MI9p 2yK22ZM0RnniwyhkIp8FAwygqY1OiJCB8/EzmpVARUqN8BVfPYOhCAp8VtY+UXUA5/lSLeYWBGZ4X ybXW+Urn+mryQ3T0uYaA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1izjM1-0008Ei-Ew; Thu, 06 Feb 2020 15:46:09 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1izjLy-0008ED-0u for linux-mtd@lists.infradead.org; Thu, 06 Feb 2020 15:46:07 +0000 Received: from xps13 (lfbn-tou-1-1151-102.w90-76.abo.wanadoo.fr [90.76.211.102]) (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 74C24214AF; Thu, 6 Feb 2020 15:46:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581003965; bh=qkTT9QVfoW5Hqi+5sQCx4C739P1VAWdOEN6lyWVwXek=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=eZiEGmPzLMlAvJlOgWtAC1//RnQHWe6BlLdIFgB4P21fSmFf73hVfnIE568YwqCdy 6c1N/cnrZ39J4LVGQQbD3NH1KR9YIHKzsK2sxUGDUF40hT+LcM8ogCd019xQqqyfvp TE5ilZjcZtI8o7sUYgnr8wMRMvvQ8XHjO305gjBA= Date: Thu, 6 Feb 2020 16:45:59 +0100 From: Miquel Raynal To: liaoweixiong Subject: Re: [PATCH v1 11/11] mtd: new support oops logger based on pstore/blk Message-ID: <20200206164559.59c5eb6a@xps13> In-Reply-To: References: <1579482233-2672-1-git-send-email-liaoweixiong@allwinnertech.com> <1579482233-2672-12-git-send-email-liaoweixiong@allwinnertech.com> <20200120110306.32e53fd8@xps13> <27226590-379c-8784-f461-f5d701015611@allwinnertech.com> <20200121094802.61f8cb4d@xps13> <2c6000b1-ae25-564b-911a-2879e9c244b2@allwinnertech.com> <20200122184114.125b42c8@xps13> X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200206_074606_106177_EB58CA79 X-CRM114-Status: GOOD ( 22.68 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Herring , Tony Luck , Kees Cook , Jonathan Corbet , Richard Weinberger , Anton Vorontsov , linux-doc@vger.kernel.org, Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, Jonathan Cameron , Colin Cross , Mauro Carvalho Chehab , "David S. Miller" , Vignesh Raghavendra Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org SGkgbGlhbywKCmxpYW93ZWl4aW9uZyA8bGlhb3dlaXhpb25nQGFsbHdpbm5lcnRlY2guY29tPiB3 cm90ZSBvbiBUaHUsIDYgRmViIDIwMjAKMjE6MTA6NDcgKzA4MDA6Cgo+IGhpIE1pcXVlbCBSYXlu YWwsCj4gCj4gT24gMjAyMC8xLzIzIEFNIDE6NDEsIE1pcXVlbCBSYXluYWwgd3JvdGU6Cj4gPiBI ZWxsbywKPiA+IAo+ID4gICAKPiA+Pj4+Pj4gKy8qCj4gPj4+Pj4+ICsgKiBBbGwgem9uZXMgd2ls bCBiZSByZWFkIGFzIHBzdG9yZS9ibGsgd2lsbCByZWFkIHpvbmUgb25lIGJ5IG9uZSB3aGVuIGRv Cj4gPj4+Pj4+ICsgKiByZWNvdmVyLgo+ID4+Pj4+PiArICovCj4gPj4+Pj4+ICtzdGF0aWMgc3Np emVfdCBtdGRwc3RvcmVfcmVhZChjaGFyICpidWYsIHNpemVfdCBzaXplLCBsb2ZmX3Qgb2ZmKQo+ ID4+Pj4+PiArewo+ID4+Pj4+PiArCXN0cnVjdCBtdGRwc3RvcmVfY29udGV4dCAqY3h0ID0gJm9v cHNfY3h0Owo+ID4+Pj4+PiArCXNpemVfdCByZXRsZW47Cj4gPj4+Pj4+ICsJaW50IHJldDsKPiA+ Pj4+Pj4gKwo+ID4+Pj4+PiArCWlmIChtdGRwc3RvcmVfYmxvY2tfaXNiYWQoY3h0LCBvZmYpKQo+ ID4+Pj4+PiArCQlyZXR1cm4gLUVORVhUOwo+ID4+Pj4+PiArCj4gPj4+Pj4+ICsJcHJfZGVidWco InRyeSB0byByZWFkIG9mZiAweCVsbHggc2l6ZSAlenVcbiIsIG9mZiwgc2l6ZSk7Cj4gPj4+Pj4+ ICsJcmV0ID0gbXRkX3JlYWQoY3h0LT5tdGQsIG9mZiwgc2l6ZSwgJnJldGxlbiwgKHVfY2hhciAq KWJ1Zik7Cj4gPj4+Pj4+ICsJaWYgKChyZXQgPCAwICYmICFtdGRfaXNfYml0ZmxpcChyZXQpKSB8 fCBzaXplICE9IHJldGxlbikgIHsgIAo+ID4+Pj4+Cj4gPj4+Pj4gSUlSQyBzaXplICE9IHJldGxl biBkb2VzIG5vdCBtZWFuIGl0IGZhaWxlZCwgYnV0IHRoYXQgeW91IHNob3VsZAo+ID4+Pj4+IGNv bnRpbnVlIHJlYWRpbmcgYWZ0ZXIgcmV0bGVuIGJ5dGVzLCBubz8gIAo+ID4+Pj4+ICAgICA+PiAg Cj4gPj4+PiBZZXMsIHlvdSBhcmUgcmlnaHQuIEkgd2lsbCBmaXggaXQuIFRoYW5rcy4gIAo+ID4+ Pj4gICA+Pj4+PiBBbHNvLCBtdGRfaXNfYml0ZmxpcCgpIGRvZXMgbm90IG1lYW4gdGhhdCB5b3Ug YXJlIHJlYWRpbmcgYSBmYWxzZSAgCj4gPj4+Pj4gYnVmZmVyLCBidXQgdGhhdCB0aGUgZGF0YSBo YXMgYmVlbiBjb3JyZWN0ZWQgYXMgaXQgY29udGFpbmVkIGJpdGZsaXBzLgo+ID4+Pj4+IG10ZF9p c19lY2NlcnIoKSBob3dldmVyLCB3b3VsZCBiZSBtZWFuaW5nZnVsLiAgCj4gPj4+Pj4gICAgID4+ ICAKPiA+Pj4+IFN1cmUgSSBrbm93IG10ZF9pc19iaXRmbGlwKCkgZG9lcyBub3QgbWVhbiBmYWls dXJlLCBidXQgSSBkbyBub3QgdGhpbmsKPiA+Pj4+IG10ZF9pc19lY2NlcnIoKSBzaG91bGQgYmUg aGVyZSBzaW5jZSB0aGUgY29kZXMgYXJlIHJldCA8IDAgYW5kIE5PVAo+ID4+Pj4gbXRkX2lzX2Jp dGZsaXAoKS4gIAo+ID4+Pgo+ID4+PiBZZXMsIGp1c3QgZHJvcCB0aGlzIGNoZWNrLCBvbmx5IGtl ZXAgcmV0IDwgMC4gIAo+ID4+PiAgICA+PiAgCj4gPj4gSWYgSSBkb24ndCBnZXQgaXQgd3Jvbmcs IGl0IHNob3VsZCBub3QJIGJlIGRyb3BwZWQgaGVyZS4gTGlrZSB5b3VyIHdvcmRzLAo+ID4+ICJt dGRfaXNfYml0ZmxpcCgpIGRvZXMgbm90IG1lYW4gdGhhdCB5b3UgYXJlIHJlYWRpbmcgYSBmYWxz ZSBidWZmZXIsCj4gPj4gYnV0IHRoYXQgdGhlIGRhdGEgaGFzIGJlZW4gY29ycmVjdGVkIGFzIGl0 IGNvbnRhaW5lZCBiaXRmbGlwcy4iLCB0aGUKPiA+PiBkYXRhIEkgZ2V0IGFyZSB2YWxpZCBldmVu IGlmIG10ZF9pc19iaXRmbGlwKCkgcmV0dXJuIHRydWUuIEl0J3MgY29ycmVjdAo+ID4+IGRhdGEg YW5kIGl0J3Mgbm8gbmVlZCB0byBnbyB0byBoYW5kbGUgZXJyb3IuIFRvIG1lLCB0aGUgY29kZXMK PiA+PiBzaG91bGQgYmU6Cj4gPj4gCWlmIChyZXQgPCAwICYmICFtaXRfaXNfYml0ZmxpcCgpKQo+ ID4+IAkJW2Vycm9yIGhhbmRsaW5nXSAgCj4gPiAKPiA+IFBsZWFzZSBjaGVjayB0aGUgaW1wbGVt ZW50YXRpb24gb2YgbXRkX2lzX2JpdGZsaXAoKS4gWW91J2xsIHByb2JhYmx5Cj4gPiBmaWd1cmUg b3V0IHdoYXQgSSBhbSBzYXlpbmcuCj4gPiAKPiA+IGh0dHBzOi8vZWxpeGlyLmJvb3RsaW4uY29t L2xpbnV4L2xhdGVzdC9zb3VyY2UvaW5jbHVkZS9saW51eC9tdGQvbXRkLmgjTDU4NQo+ID4gICAK PiAKPiBIb3cgYWJvdXQgdGhlIGNvZGVzIGFzIGZvbGxvd3M6Cj4gCj4gZm9yIChkb25lID0gMCwg cmV0bGVuID0gMDsgZG9uZSA8IHNpemU7IGRvbmUgKz0gcmV0bGVuKSB7Cj4gCXJldCA9IG10ZF9y ZWFkKC4uLiwgJnJldGxlbiwgLi4uKTsKPiAJaWYgKCFyZXQpCj4gCQljb250aW51ZTsKPiAJLyoK PiAJICogZG8gbm90aGluZyBpZiBiaXRmbGlwIGFuZCBlY2MgZXJyb3Igb2NjdXJzIGJlY2F1c2Ug d2hldGhlcgo+IAkgKiBpdCdzIGJpdGZsaXAgb3IgRUNDIGVycm9yLCBqdXN0IGEgc21hbGwgbnVt YmVyIG9mIGJpdHMgZmxpcAo+IAkgKiBhbmQgdGhlIGltcGFjdCBvbiBsb2cgZGF0YSBpcyBzbyBz bWFsbC4gVGhlIG10ZHBzdG9yZSBqdXN0Cj4gCSAqIGhhbmRzIG92ZXIgd2hhdCBpdCBnZXRzIGFu ZCB1c2VyIGNhbiBqdWRnZSB3aGV0aGVyIHRoZSBkYXRhCj4gCSAqIGlzIHZhbGlkIG9yIG5vdC4K PiAJICovCj4gCWlmIChtdGRfaXNfYml0ZmxpcChyZXQpKSB7Cj4gCQlkZXZfd2FybigiYml0Zmxp cCBhdC4uLi4iKTsKPiAJCWNvbnRpbnVlOwoKSSBkb24ndCB1bmRlcnN0YW5kIHdoeSBkbyB5b3Ug Y2hlY2sgZm9yIGJpdGZsaXBzLiBCaXRmbGlwcyBoYXZlIGJlZW4KY29ycmVjdGVkIGF0IHRoaXMg c3RhZ2UsIHlvdSBqdXN0IGdldCB0aGUgaW5mb3JtYXRpb24gdGhhdCB0aGVyZQpoYXMgYmVlbiBi aXRmbGlwcywgYnV0IHRoZSBkYXRhIGludGVncml0eSBpcyBmaW5lLgoKSSBhbSBub3QgYWdhaW5z dCBpZ25vcmluZyBFQ0MgZXJyb3JzIGluIHRoaXMgY2FzZSB0aG91Z2guIEkgd291bGQKcHJvcG9z ZToKCglmb3IgKC4uLikgewoJCWlmIChyZXQgPCAwKSB7CgkJCWNvbXBsYWluOwoJCQlyZXR1cm47 CgkJfQoKCQlpZiAobXRkX2lzX2VjY2VycigpKQoJCQljb21wbGFpbjsKCX0KCQkKPiAJfSBlbHNl IGlmIChtdGRfaXNfZWNjZXJyKHJldCkpIHsKPiAJCWRldl93YXJuKCJlY2NlcnIgYXQuLi4uIik7 Cj4gCQlyZXRsZW4gPSByZXRsZW4gPT0gMCA/IHNpemUgOiByZXRsZW47Cj4gCQljb250aW51ZTsK PiAJfSBlbHNlIHsKPiAJCWRldl9lcnIoInJlYWQgZmFpbHVyZSBhdC4uLiIpOwo+IAkJLyogdGhp cyB6b25lIGlzIGJyb2tlbiwgdHJ5IG5leHQgb25lICovCj4gCQlyZXR1cm4gLUVORVhUOwo+IAl9 Cj4gfQo+IAoKClRoYW5rcywKTWlxdcOobAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCkxpbnV4IE1URCBkaXNjdXNzaW9uIG1haWxpbmcgbGlz dApodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LW10ZC8K