Re: [RFC PATCH v3 02/15] objtool: Flesh out warning related to pv_ops[] calls

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To: Valentin Schneider <vschneid@xxxxxxxxxx>
Subject: Re: [RFC PATCH v3 02/15] objtool: Flesh out warning related to pv_ops[] calls
From: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
Date: Tue, 19 Nov 2024 12:38:20 -0800
Cc: linux-kernel@xxxxxxxxxxxxxxx, linux-doc@xxxxxxxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, bpf@xxxxxxxxxxxxxxx, x86@xxxxxxxxxx, rcu@xxxxxxxxxxxxxxx, linux-kselftest@xxxxxxxxxxxxxxx, Steven Rostedt <rostedt@xxxxxxxxxxx>, Masami Hiramatsu <mhiramat@xxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Wanpeng Li <wanpengli@xxxxxxxxxxx>, Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Frederic Weisbecker <frederic@xxxxxxxxxx>, "Paul E. McKenney" <paulmck@xxxxxxxxxx>, Neeraj Upadhyay <quic_neeraju@xxxxxxxxxxx>, Joel Fernandes <joel@xxxxxxxxxxxxxxxxx>, Josh Triplett <josh@xxxxxxxxxxxxxxxx>, Boqun Feng <boqun.feng@xxxxxxxxx>, Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>, Lai Jiangshan <jiangshanlai@xxxxxxxxx>, Zqiang <qiang.zhang1211@xxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Uladzislau Rezki <urezki@xxxxxxxxx>, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Lorenzo Stoakes <lstoakes@xxxxxxxxx>, Jason Baron <jbaron@xxxxxxxxxx>, Kees Cook <keescook@xxxxxxxxxxxx>, Sami Tolvanen <samitolvanen@xxxxxxxxxx>, Ard Biesheuvel <ardb@xxxxxxxxxx>, Nicholas Piggin <npiggin@xxxxxxxxx>, Juerg Haefliger <juerg.haefliger@xxxxxxxxxxxxx>, Nicolas Saenz Julienne <nsaenz@xxxxxxxxxx>, "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>, Nadav Amit <namit@xxxxxxxxxx>, Dan Carpenter <error27@xxxxxxxxx>, Chuang Wang <nashuiliang@xxxxxxxxx>, Yang Jihong <yangjihong1@xxxxxxxxxx>, Petr Mladek <pmladek@xxxxxxxx>, "Jason A. Donenfeld" <Jason@xxxxxxxxx>, Song Liu <song@xxxxxxxxxx>, Julian Pidancet <julian.pidancet@xxxxxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, Dionna Glaze <dionnaglaze@xxxxxxxxxx>, Thomas Weißschuh <linux@xxxxxxxxxxxxxx>, Juri Lelli <juri.lelli@xxxxxxxxxx>, Marcelo Tosatti <mtosatti@xxxxxxxxxx>, Yair Podemsky <ypodemsk@xxxxxxxxxx>, Daniel Wagner <dwagner@xxxxxxx>, Petr Tesarik <ptesarik@xxxxxxxx>
In-reply-to: <20241119153502.41361-3-vschneid@redhat.com>
References: <20241119153502.41361-1-vschneid@redhat.com> <20241119153502.41361-3-vschneid@redhat.com>

On Tue, Nov 19, 2024 at 04:34:49PM +0100, Valentin Schneider wrote:
> I had to look into objtool itself to understand what this warning was
> about; make it more explicit.
> 
> Signed-off-by: Valentin Schneider <vschneid@xxxxxxxxxx>

Acked-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>

-- 
Josh

References:
- [RFC PATCH v3 00/15] context_tracking,x86: Defer some IPIs until a user->kernel transition
  - From: Valentin Schneider
- [RFC PATCH v3 02/15] objtool: Flesh out warning related to pv_ops[] calls
  - From: Valentin Schneider

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