linux-kernel - [RFC][PATCH 0/2] x86: ASM based __bug

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Message-Id: <20241007083210.043925135@infradead.org>
Date: Mon, 07 Oct 2024 10:32:10 +0200
From: Peter Zijlstra <peterz@...radead.org>
To: bp@...en8.de,
 david.kaplan@....com,
 jpoimboe@...hat.com
Cc: linux-kernel@...r.kernel.org,
 peterz@...radead.org,
 x86@...nel.org
Subject: [RFC][PATCH 0/2] x86: ASM based __bug_table and rethunks

Hi,

I ran into the __warn_thunk_thunk_thunk_thunk thing and urgh.

Make it a 'simple' WARN_ON_ONCE(). And since all of x86_64 has the same rewrite
rules, simplify the ifdeffery madness too.