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From: Peter Zijlstra <peterz@infradead.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Masahiro Yamada <masahiroy@kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	the arch/x86 maintainers <x86@kernel.org>
Subject: Re: [GIT pull] perf/urgent for 5.7-rc2
Date: Mon, 20 Apr 2020 10:27:28 +0200	[thread overview]
Message-ID: <20200420082728.GA20696@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20200420074845.GA72554@gmail.com>

On Mon, Apr 20, 2020 at 09:48:45AM +0200, Ingo Molnar wrote:
> Fortunately, much of what objtool does against vmlinux.o can be 
> parallelized in a rather straightforward fashion I believe, if we build 
> with -ffunction-sections.

So that FGKASLR is going to get us -ffunction-sections, but
parallelizing objtool isn't going to be trivial, it's data structures
aren't really build for that, esp. decode_instructions() which actively
generates data.

Still, it's probably doable.


  reply	other threads:[~2020-04-20  8:27 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-19 13:56 [GIT pull] core/urgent for 5.7-rc2 Thomas Gleixner
2020-04-19 13:56 ` [GIT pull] irq/urgent " Thomas Gleixner
2020-04-19 19:20   ` pr-tracker-bot
2020-04-19 13:56 ` [GIT pull] perf/urgent " Thomas Gleixner
2020-04-19 18:56   ` Linus Torvalds
2020-04-19 20:07     ` Josh Poimboeuf
2020-04-20  7:48       ` Ingo Molnar
2020-04-20  8:27         ` Peter Zijlstra [this message]
2020-04-22  7:45           ` Ingo Molnar
2020-04-22 11:56             ` Peter Zijlstra
2020-04-20 16:51         ` Linus Torvalds
2020-04-20 17:40           ` Peter Zijlstra
2020-04-20 18:17             ` Josh Poimboeuf
2020-04-20 19:17               ` Peter Zijlstra
2020-04-20 19:21               ` Linus Torvalds
2020-04-20 19:36                 ` Josh Poimboeuf
2020-04-19 19:20   ` pr-tracker-bot
2020-04-19 13:56 ` [GIT pull] sched/urgent " Thomas Gleixner
2020-04-19 19:20   ` pr-tracker-bot
2020-04-19 13:56 ` [GIT pull] timers/urgent " Thomas Gleixner
2020-04-19 19:20   ` pr-tracker-bot
2020-04-19 13:56 ` [GIT pull] x86/urgent " Thomas Gleixner
2020-04-19 19:20   ` pr-tracker-bot
2020-04-19 19:20 ` [GIT pull] core/urgent " pr-tracker-bot

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