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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id AFFE6C10F1A for ; Thu, 9 May 2024 13:42:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; 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: Date:Cc:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=4i8coJ0+JJhqZRp80j4UHE81DS/nP5DpMMLZ8yEqOXQ=; b=G0Qm+DPF/pnvMe UoqpUMiEDmQO/TuY1OV6s+2jw6gMK7bC3vMDjMtQeR2nwsgKYHQ3ZjmxTn5OgD3ZxleMHqYwTqm2a mBISgneS0C/tSsfFUoXmGO64hc4CROXWQskfiTHcH60vOy6EEQnoEWFqaBXtRbv+8a2E1FU7EdNsj +K+Cm8Z9a1rrbrbDJmMwRp8VXI7AVIvUSKJQSWvHgi2aSJJS+bqBwfLNeQBwsdVJfqtaZVjvnlrzO NDr/Tk+p2IYpMieo+gkYydql8tggL7lZUeLzWFX+JyHQYegGwDuLbNJ8QZ+NY/7TVUObd26xSumyr +X1iLfAaU+SI1xOKjgkA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s542m-00000001bSm-0Yo5; Thu, 09 May 2024 13:42:44 +0000 Received: from shelob.surriel.com ([96.67.55.147]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s542i-00000001bQW-2OoS for kexec@lists.infradead.org; Thu, 09 May 2024 13:42:42 +0000 Received: from [2601:18c:9101:a8b6:6e0b:84ff:fee2:98bb] (helo=imladris.surriel.com) by shelob.surriel.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.97.1) (envelope-from ) id 1s541X-0000000063q-16NF; Thu, 09 May 2024 09:41:27 -0400 Message-ID: Subject: Re: [PATCH] fs/proc: fix softlockup in __read_vmcore From: Rik van Riel To: Baoquan He Cc: akpm@linux-foundation.org, Vivek Goyal , Dave Young , kexec@lists.infradead.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, kernel-team@meta.com Date: Thu, 09 May 2024 09:41:27 -0400 In-Reply-To: References: <20240507091858.36ff767f@imladris.surriel.com> User-Agent: Evolution 3.46.4 (3.46.4-1.fc37) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240509_064240_628105_2EDBCC43 X-CRM114-Status: GOOD ( 14.77 ) X-BeenThere: kexec@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="utf-8" Content-Transfer-Encoding: base64 Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org T24gVGh1LCAyMDI0LTA1LTA5IGF0IDExOjUyICswODAwLCBCYW9xdWFuIEhlIHdyb3RlOgo+IEhp LAo+IAo+IE9uIDA1LzA3LzI0IGF0IDA5OjE4YW0sIFJpayB2YW4gUmllbCB3cm90ZToKPiA+IFdo aWxlIHRha2luZyBhIGtlcm5lbCBjb3JlIGR1bXAgd2l0aCBtYWtlZHVtcGZpbGUgb24gYSBsYXJn ZXIKPiA+IHN5c3RlbSwKPiA+IHNvZnRsb2NrdXAgbWVzc2FnZXMgb2Z0ZW4gYXBwZWFyLgo+ID4g Cj4gPiBXaGlsZSBzb2Z0bG9ja3VwIHdhcm5pbmdzIGNhbiBiZSBoYXJtbGVzcywgdGhleSBjYW4g YWxzbyBpbnRlcmZlcmUKPiA+IHdpdGggdGhpbmdzIGxpa2UgUkNVIGZyZWVpbmcgbWVtb3J5LCB3 aGljaCBjYW4gYmUgcHJvYmxlbWF0aWMgd2hlbgo+ID4gdGhlIGtkdW1wIGtleGVjIGltYWdlIGlz IGNvbmZpZ3VyZWQgd2l0aCBhcyBsaXR0bGUgbWVtb3J5IGFzCj4gPiBwb3NzaWJsZS4KPiA+IAo+ ID4gQXZvaWQgdGhlIHNvZnRsb2NrdXAsIGFuZCBnaXZlIHRoaW5ncyBsaWtlIHdvcmsgaXRlbXMg YW5kIFJDVSBhCj4gPiBjaGFuY2UgdG8gZG8gdGhlaXIgdGhpbmcgZHVyaW5nIF9fcmVhZF92bWNv cmUgYnkgYWRkaW5nIGEKPiA+IGNvbmRfcmVzY2hlZC4KPiAKPiBUaGFua3MgZm9yIGZpeGluZyB0 aGlzLgo+IAo+IEJ5IHRoZSB3YXksIGlzIGl0IGVhc3kgdG8gcmVwcm9kdWNlPyBBbmQgc2hvdWxk IHdlIGFkZCBzb21lIHRyYWNlIG9mCj4gdGhlCj4gc29mdGxvY2t1cCBpbnRvIGxvZyBzbyB0aGF0 IHBlb3BsZSBjYW4gc2VhcmNoIGZvciBpdCBhbmQgY29uZmlybSB3aGVuCj4gZW5jb3VudGVyaW5n IGl0PwoKSXQgaXMgcHJldHR5IGVhc3kgdG8gcmVwcm9kdWNlLCBidXQgaXQgZG9lcyBub3QgaGFw cGVuIGFsbCB0aGUgdGltZS4KV2l0aCBtaWxsaW9ucyBvZiBzeXN0ZW1zLCBldmVuIHJhcmUgZXJy b3JzIGFyZSBjb21tb24gOikKCkhvd2V2ZXIsIHdlIGhhdmUgYmVlbiBydW5uaW5nIHdpdGggdGhp cyBmaXggZm9yIGxvbmcgZW5vdWdoICh3ZQpkZXBsb3llZCBpdCBpbiBvcmRlciB0byB0ZXN0IGl0 KSB0aGF0IEkgZG9uJ3QgdGhpbmsgd2UgaGF2ZSB0aGXCoAp3YXJuaW5nIHN0b3JlZCBhbnkgbW9y ZS4gVGhvc2UgbG9ncyB3ZXJlIHJvdGF0ZWQgb3V0IGxvbmcgYWdvLgoKa2luZCByZWdhcmRzLAoK UmlrCi0tIApBbGwgUmlnaHRzIFJldmVyc2VkLgoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18Ka2V4ZWMgbWFpbGluZyBsaXN0CmtleGVjQGxpc3RzLmluZnJh ZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9rZXhl Ywo=