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[2003:f6:af12:cb00:3146:384f:5efc:fd5d]) by smtp.gmail.com with ESMTPSA id v1-20020a50d581000000b0050234b3fecesm4220886edi.73.2023.03.28.05.29.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 28 Mar 2023 05:29:13 -0700 (PDT) Message-ID: Date: Tue, 28 Mar 2023 14:29:11 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: Linux 5.15.103 Content-Language: en-US, de-DE To: Greg Kroah-Hartman , Sasha Levin Cc: stable@vger.kernel.org, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, torvalds@linux-foundation.org, lwn@lwn.net, jslaby@suse.cz, Sean Christopherson , Paolo Bonzini , Vitaly Kuznetsov References: <1679040264214179@kroah.com> From: Mathias Krause In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 28.03.23 14:14, Greg Kroah-Hartman wrote: > On Tue, Mar 28, 2023 at 02:02:03PM +0200, Mathias Krause wrote: >> On 17.03.23 09:04, Greg Kroah-Hartman wrote: >>> I'm announcing the release of the 5.15.103 kernel. >>> >>> [...] >>> >>> Vitaly Kuznetsov (4): >>> KVM: Optimize kvm_make_vcpus_request_mask() a bit >>> KVM: Pre-allocate cpumasks for kvm_make_all_cpus_request_except() >>> KVM: nVMX: Don't use Enlightened MSR Bitmap for L3 >>> KVM: VMX: Introduce vmx_msr_bitmap_l01_changed() helper >>> >> >> That list is missing commit 6470accc7ba9 ("KVM: x86: hyper-v: Avoid >> calling kvm_make_vcpus_request_mask() with vcpu_mask==NULL") to fulfill >> the prerequisite of "KVM: Optimize kvm_make_vcpus_request_mask() a bit". >> >> Right now the kvm selftests trigger a kernel NULL deref for the hyperv >> test, making the system hang. >> >> Please consider applying commit 6470accc7ba9 for the next v5.15.x release. > > It wasn't tagged for the stable kernels, so we didn't pick it up :( Neither were any of the above commits. o.O Commit 3e48a6349d29 ("KVM: Optimize kvm_make_vcpus_request_mask() a bit") has this tag, though: Stable-dep-of: 2b0128127373 ("KVM: Register /dev/kvm as the _very_ last thing during initialization") I don't know why, though. These two commits have little in common. Maybe Sasha knows why? > > Have now done so, thanks. Thanks! Mathias