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([2001:16a2:c8d2:2b00:183a:1350:d3a4:d89]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-47be27c2260sm778246715e9.15.2026.01.02.07.33.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 02 Jan 2026 07:33:22 -0800 (PST) Message-ID: Date: Fri, 2 Jan 2026 18:33:20 +0300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/2] kexec: history: track previous kernel version Content-Language: en-GB To: Breno Leitao Cc: Alexander Graf , Mike Rapoport , Pasha Tatashin , Pratyush Yadav , linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-mm@kvack.org, rmikey@meta.com, clm@fb.com, riel@surriel.com, kernel-team@meta.com References: <20260102-kho-v2-0-1747b1a3a1d6@debian.org> <20260102-kho-v2-1-1747b1a3a1d6@debian.org> <2b315095-2393-45d5-b0bf-ea9fbecd2607@gmail.com> From: Usama Arif In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 02/01/2026 18:14, Breno Leitao wrote: > Hello Usama, > > On Fri, Jan 02, 2026 at 06:02:39PM +0300, Usama Arif wrote: >> On 02/01/2026 17:53, Breno Leitao wrote: >> I think we should make this default if KHO is enabled, i.e. not have a Kconfig >> option for this. The cost of storing the char array is negligable. > > Sure, I can get it enabled by default once KHO gets enabled. Thanks for > the feedback. > >>> + pr_info("This kernel was kexec'ed from kernel release: %s\n", >>> + kho_in.previous_release); >> >> Maybe s/release/version everywhere? It might not be a release, but no strong opinion. > > As I understand, in the kernel parlance, "version" is something > different from "release", and what we want here is "release". Here is an > example of uname, which also matches with kernel source code and UTS. > > # uname --kernel-version > #1 SMP Mon Nov 17 07:00:42 PST 2025 > > # uname --kernel-release > 6.16.1-0_gc0739ee5037a > ack