linux-kernel - [PATCH v2 00/14] x86,objtool: Optimize !RETPOLINE

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Date:   Thu, 18 Mar 2021 18:11:03 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     x86@...nel.org, jpoimboe@...hat.com, jgross@...e.com,
        mbenes@...e.com
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org
Subject: [PATCH v2 00/14] x86,objtool: Optimize !RETPOLINE

Hi,

Respin of the !RETPOLINE optimization patches.

Boris, the first 3 should probably go into tip/x86/core, it's an ungodly tangle
since it relies on the insn decoder patches in tip/x86/core, the NOP patches in
tip/x86/cpu and the alternative patches in tip/x86/alternatives.

Just to make life easy I'd suggest merging everything in x86/core and
forgetting about the other topic branches (that's what I ended up doing locally).

The remaining 11 patches depend on the first 3 as well as on the work in
tip/objtool/core, just to make life more interesting still ;-)

All except the last 4 patches should be fairly uncontroversial (I hope...)