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McKenney" Cc: Alexandre Chartre , Thomas Gleixner , LKML , x86@kernel.org, Andy Lutomirski , Frederic Weisbecker , Paolo Bonzini , Sean Christopherson , Masami Hiramatsu , Petr Mladek , Steven Rostedt , Joel Fernandes , Boris Ostrovsky , Juergen Gross , Brian Gerst , Mathieu Desnoyers , Josh Poimboeuf , Will Deacon Subject: Re: [patch V4 part 1 03/36] sched: Clean up scheduler_ipi() Message-ID: <20200506183703.GJ5298@hirez.programming.kicks-ass.net> References: <20200505131602.633487962@linutronix.de> <20200505134058.361859938@linutronix.de> <20200506153300.GB5281@hirez.programming.kicks-ass.net> <20200506182856.GD2869@paulmck-ThinkPad-P72> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200506182856.GD2869@paulmck-ThinkPad-P72> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 06, 2020 at 11:28:56AM -0700, Paul E. McKenney wrote: > I still see warnings of the form "leave instruction with modified stack > frame" from older complilers and of the form "undefined stack state" > from newer compilers. I am running stock objtool versions, so I am > guessing that this is at least one reason for these warnings. Part 5, patch 2, might be responsible. I still have to look at curing that.