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McKenney" Cc: bentiss@kernel.org, sfr@canb.auug.org.au, linux-kernel@vger.kernel.org, linux-next@vger.kernel.org, linux-toolchains@vger.kernel.org, jpoimboe@kernel.org Subject: Re: [BUG] -next objtool build failure (bisected) Message-ID: References: Precedence: bulk X-Mailing-List: linux-toolchains@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Hi Paul, On Tue, Oct 15, 2024 at 11:10:11AM -0700, Paul E. McKenney wrote: > Hello! > > The next-20241011 release gets me build errors like the following: > > vmlinux.o: warning: objtool: fetch_item() falls through to next function > > Bisection leads me here: > > 61595012f280 ("HID: simplify code in fetch_item()") > > This diff looks inoffensive to me, but I get this error on this commit > and not on its predecessor. > > This build failure happens on quite a few different kernel configurations. > I bisected using this particular reproducer: > > tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --buildonly --configs SRCU-T > > Thoughts? I just added you to another thread where Nathan proposed a couple of solutions: https://lore.kernel.org/r/20241010222451.GA3571761@thelio-3990X Thanks. -- Dmitry