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[140.211.169.12]) by mx.google.com with ESMTPS id d10-v6si15289681pla.436.2018.09.17.03.17.43 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 17 Sep 2018 03:17:43 -0700 (PDT) Received-SPF: pass (google.com: domain of gregkh@linuxfoundation.org designates 140.211.169.12 as permitted sender) client-ip=140.211.169.12; Authentication-Results: mx.google.com; spf=pass (google.com: domain of gregkh@linuxfoundation.org designates 140.211.169.12 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Received: from localhost (ip-213-127-77-73.ip.prioritytelecom.net [213.127.77.73]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id A8E54BC4; Mon, 17 Sep 2018 10:17:42 +0000 (UTC) Subject: Patch "x86/mm: Remove in_nmi() warning from vmalloc_fault()" has been added to the 4.4-stable tree To: 1532533683-5988-2-git-send-email-joro@8bytes.org,David.Laight@aculab.com,aarcange@redhat.com,acme@kernel.org,alexander.levin@microsoft.com,alexander.shishkin@linux.intel.com,aliguori@amazon.com,boris.ostrovsky@oracle.com,bp@alien8.de,brgerst@gmail.com,daniel.gruss@iaik.tugraz.at,dave.hansen@intel.com,dhgutteridge@sympatico.ca,dvlasenk@redhat.com,eduval@amazon.com,gregkh@linuxfoundation.org,hpa@zytor.com,hughd@google.com,jgross@suse.com,jkosina@suse.cz,jolsa@redhat.com,joro@8bytes.org,jpoimboe@redhat.com,jroedel@suse.de,keescook@google.com,linux-mm@kvack.org,llong@redhat.com,luto@kernel.org,namhyung@kernel.org,pavel@ucw.cz,peterz@infradead.org,tglx@linutronix.de,torvalds@linux-foundation.org,will.deacon@arm.com Cc: From: Date: Mon, 17 Sep 2018 12:15:39 +0200 Message-ID: <1537179339199235@kroah.com> MIME-Version: 1.0 X-stable: commit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: X-Virus-Scanned: ClamAV using ClamSMTP This is a note to let you know that I've just added the patch titled x86/mm: Remove in_nmi() warning from vmalloc_fault() to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: x86-mm-remove-in_nmi-warning-from-vmalloc_fault.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. From foo@baz Mon Sep 17 12:15:09 CEST 2018 From: Joerg Roedel Date: Wed, 25 Jul 2018 17:48:01 +0200 Subject: x86/mm: Remove in_nmi() warning from vmalloc_fault() From: Joerg Roedel [ Upstream commit 6863ea0cda8725072522cd78bda332d9a0b73150 ] It is perfectly okay to take page-faults, especially on the vmalloc area while executing an NMI handler. Remove the warning. Signed-off-by: Joerg Roedel Signed-off-by: Thomas Gleixner Tested-by: David H. Gutteridge Cc: "H . Peter Anvin" Cc: linux-mm@kvack.org Cc: Linus Torvalds Cc: Andy Lutomirski Cc: Dave Hansen Cc: Josh Poimboeuf Cc: Juergen Gross Cc: Peter Zijlstra Cc: Borislav Petkov Cc: Jiri Kosina Cc: Boris Ostrovsky Cc: Brian Gerst Cc: David Laight Cc: Denys Vlasenko Cc: Eduardo Valentin Cc: Greg KH Cc: Will Deacon Cc: aliguori@amazon.com Cc: daniel.gruss@iaik.tugraz.at Cc: hughd@google.com Cc: keescook@google.com Cc: Andrea Arcangeli Cc: Waiman Long Cc: Pavel Machek Cc: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Cc: joro@8bytes.org Link: https://lkml.kernel.org/r/1532533683-5988-2-git-send-email-joro@8bytes.org Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- arch/x86/mm/fault.c | 2 -- 1 file changed, 2 deletions(-) Patches currently in stable-queue which might be from jroedel@suse.de are queue-4.4/x86-kexec-allocate-8k-pgds-for-pti.patch queue-4.4/iommu-ipmmu-vmsa-fix-allocation-in-atomic-context.patch queue-4.4/x86-mm-remove-in_nmi-warning-from-vmalloc_fault.patch --- a/arch/x86/mm/fault.c +++ b/arch/x86/mm/fault.c @@ -273,8 +273,6 @@ static noinline int vmalloc_fault(unsign if (!(address >= VMALLOC_START && address < VMALLOC_END)) return -1; - WARN_ON_ONCE(in_nmi()); - /* * Synchronize this task's top level page-table * with the 'reference' page table.