linux-kernel - [PATCH 0/8] objtool vs retpoline

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Message-Id: <20200423125013.452964352@infradead.org>
Date:   Thu, 23 Apr 2020 14:47:17 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     jpoimboe@...hat.com, alexandre.chartre@...cle.com
Cc:     linux-kernel@...r.kernel.org, jthierry@...hat.com,
        tglx@...utronix.de, x86@...nel.org, mbenes@...e.cz,
        peterz@...radead.org
Subject: [PATCH 0/8] objtool vs retpoline

Hi,

Based on Alexandre's patches, here's a pile that goes on top of tip/objtool/core.

With these patches on objtool can completely understand retpolines and RSB
stuffing, which means it can emit valid ORC unwind information for them, which
in turn means we can now unwind through a retpoline.