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Mon, 03 Nov 2025 10:36:46 -0800 (PST) Message-ID: Date: Mon, 3 Nov 2025 21:36:41 +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 v3 0/2] x86: Fix kexec 5-level to 4-level paging transition Content-Language: en-GB To: Borislav Petkov Cc: dwmw@amazon.co.uk, tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com, ardb@kernel.org, hpa@zytor.com, x86@kernel.org, apopple@nvidia.com, thuth@redhat.com, nik.borisov@suse.com, kas@kernel.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, kernel-team@meta.com, Michael van der Westhuizen , Tobias Fleig References: <20251103141002.2280812-1-usamaarif642@gmail.com> <20251103144557.GHaQjAJZGz_2ZPVDXq@fat_crate.local> From: Usama Arif In-Reply-To: <20251103144557.GHaQjAJZGz_2ZPVDXq@fat_crate.local> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 03/11/2025 17:45, Borislav Petkov wrote: > On Mon, Nov 03, 2025 at 02:09:21PM +0000, Usama Arif wrote: >> v2 -> v3: >> - Use native_pgd_val instead of pgd_val to fix broken build with allmodconfig. >> I wanted to keep the code between pgtable_64.c and x86-5lvl.c consistent >> so changed it in both patches >> (Borislav Petkov and Ard Biesheuvel) >> - Commit message improvements (Dave Hansen) > > Did you run the build tests I suggested? > Yes, I did the below build tests: make LLVM=1 allnoconfig; make LLVM=1 bzImage make LLVM=1 defconfig; make LLVM=1 bzImage make LLVM=1 allmodconfig; make LLVM=1 bzImage make LLVM=1 allyesconfig; make LLVM=1 bzImage make LLVM=1 ARCH=i386 allnoconfig; make LLVM=1 ARCH=i386 bzImage make LLVM=1 ARCH=i386 defconfig; make LLVM=1 ARCH=i386 bzImage make LLVM=1 ARCH=i386 allmodconfig; make LLVM=1 ARCH=i386 bzImage make LLVM=1 ARCH=i386 allyesconfig; make LLVM=1 ARCH=i386 bzImage The i386 ones had a failure in lib/math/test_mul_u64_u64_div_u64.c:156:9 for linux-next/master so I rebased my patches on v6.17 and tested and they all built successfully.