From: Peter Zijlstra <peterz@infradead.org>
To: Borislav Petkov <bp@alien8.de>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>,
x86@kernel.org, pjt@google.com, mbenes@suze.cz, jgross@suse.com,
linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH 6/6] objtool,x86: Rewrite retpoline thunk calls
Date: Sat, 20 Feb 2021 23:51:00 +0100 [thread overview]
Message-ID: <20210220225100.GA5208@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <20210220222802.GA4746@worktop.programming.kicks-ass.net>
On Sat, Feb 20, 2021 at 11:28:02PM +0100, Peter Zijlstra wrote:
> On Sat, Feb 20, 2021 at 06:41:01PM +0100, Borislav Petkov wrote:
> > > - I have more cases for objtool to rewrite code (I'll see if I can
> > > rebase and post that this weekend -- no promises).
> >
> > Oh noes.
>
> 11 patches and one beer later, it even boots :-)
>
> Saves more than 6k on a defconfig build.
>
> I'll push it out to git in a bit.
https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/log/?h=locking/jump_label
next prev parent reply other threads:[~2021-02-20 22:55 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-19 20:43 [RFC][PATCH 0/6] objtool: Optimize !retpoline Peter Zijlstra
2021-02-19 20:43 ` [RFC][PATCH 1/6] objtool: Correctly handle retpoline thunk calls Peter Zijlstra
2021-02-19 20:43 ` [RFC][PATCH 2/6] objtool: Fix static_call list generation Peter Zijlstra
2021-02-19 20:43 ` [RFC][PATCH 3/6] objtool: Rework rebuild_reloc logic Peter Zijlstra
2021-02-19 20:43 ` [RFC][PATCH 4/6] objtool: Add elf_create_undef_symbol() Peter Zijlstra
2021-02-19 20:43 ` [RFC][PATCH 5/6] objtool: Allow archs to rewrite retpolines Peter Zijlstra
2021-02-19 20:43 ` [RFC][PATCH 6/6] objtool,x86: Rewrite retpoline thunk calls Peter Zijlstra
2021-02-19 21:55 ` Josh Poimboeuf
2021-02-19 22:01 ` Peter Zijlstra
2021-02-20 0:39 ` Borislav Petkov
2021-02-20 16:48 ` Peter Zijlstra
2021-02-20 17:41 ` Borislav Petkov
2021-02-20 22:28 ` Peter Zijlstra
2021-02-20 22:51 ` Peter Zijlstra [this message]
2021-02-21 9:54 ` Borislav Petkov
2021-02-20 22:32 ` Peter Zijlstra
2021-02-21 5:45 ` Jürgen Groß
2021-02-21 9:44 ` Borislav Petkov
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