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From: Will Deacon <will.deacon@arm.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>,
	linux-kernel@vger.kernel.org, x86@kernel.org,
	Ingo Molnar <mingo@kernel.org>, Borislav Petkov <bp@alien8.de>,
	"H . Peter Anvin" <hpa@zytor.com>,
	Andy Lutomirski <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Jiri Kosina <jikos@kernel.org>, Waiman Long <longman@redhat.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Jon Masters <jcm@redhat.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	linuxppc-dev@lists.ozlabs.org,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	linux-s390@vger.kernel.org,
	Catalin Marinas <catalin.marinas@arm.com>,
	linux-arm-kernel@lists.infradead.org, linux-arch@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Tyler Hicks <tyhicks@canonical.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	Steven Price <steven.price@arm.com>, Phil Auld <pauld@redhat.com>
Subject: Re: [PATCH v2 5/5] arm64/speculation: Support 'mitigations=' cmdline option
Date: Wed, 24 Apr 2019 15:16:31 +0100	[thread overview]
Message-ID: <20190424141631.GH14829@fuggles.cambridge.arm.com> (raw)
In-Reply-To: <alpine.DEB.2.21.1904162124020.1780@nanos.tec.linutronix.de>

Hi Thomas,

On Tue, Apr 16, 2019 at 09:26:13PM +0200, Thomas Gleixner wrote:
> On Fri, 12 Apr 2019, Josh Poimboeuf wrote:
> 
> > Configure arm64 runtime CPU speculation bug mitigations in accordance
> > with the 'mitigations=' cmdline option.  This affects Meltdown, Spectre
> > v2, and Speculative Store Bypass.
> > 
> > The default behavior is unchanged.
> > 
> > Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
> > ---
> > NOTE: This is based on top of Jeremy Linton's patches:
> >       https://lkml.kernel.org/r/20190410231237.52506-1-jeremy.linton@arm.com
> 
> So I keep that out and we have to revisit that once the ARM64 stuff hits a
> tree, right? I can have a branch with just the 4 first patches applied
> which ARM64 folks can pull in when they apply Jeremy's patches before te
> merge window.

I'm assuming that this refers to the core/speculation branch in tip:

https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/log/?h=core/speculation

but please can you confirm that I'm good to pull that into arm64?

Cheers,

Will

  parent reply	other threads:[~2019-04-24 14:16 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-12 20:39 [PATCH v2 0/5] cpu/speculation: Add 'mitigations=' cmdline option Josh Poimboeuf
2019-04-12 20:39 ` [PATCH v2 1/5] " Josh Poimboeuf
2019-04-16 14:13   ` Borislav Petkov
2019-04-16 15:32     ` Josh Poimboeuf
2019-04-17 20:01   ` [tip:core/speculation] " tip-bot for Josh Poimboeuf
2019-04-12 20:39 ` [PATCH v2 2/5] x86/speculation: Support " Josh Poimboeuf
2019-04-17 20:02   ` [tip:core/speculation] " tip-bot for Josh Poimboeuf
2019-04-12 20:39 ` [PATCH v2 3/5] powerpc/speculation: " Josh Poimboeuf
2019-04-17 20:02   ` [tip:core/speculation] " tip-bot for Josh Poimboeuf
2019-04-12 20:39 ` [PATCH v2 4/5] s390/speculation: " Josh Poimboeuf
2019-04-17 20:03   ` [tip:core/speculation] " tip-bot for Josh Poimboeuf
2019-04-12 20:39 ` [PATCH v2 5/5] arm64/speculation: " Josh Poimboeuf
2019-04-12 23:34   ` Randy Dunlap
2019-04-13  3:56     ` [PATCH] Documentation: Add ARM64 to kernel-parameters.rst Josh Poimboeuf
2019-04-13  4:47       ` Randy Dunlap
2019-05-03 12:37       ` Jonathan Corbet
2019-05-03 12:39         ` Will Deacon
2019-05-03 12:47           ` Jonathan Corbet
2019-05-03 13:00             ` Will Deacon
2019-04-16 19:26   ` [PATCH v2 5/5] arm64/speculation: Support 'mitigations=' cmdline option Thomas Gleixner
2019-04-16 20:21     ` Josh Poimboeuf
2019-04-16 21:39     ` Will Deacon
2019-04-24 14:16     ` Will Deacon [this message]
2019-04-24 18:19       ` Thomas Gleixner
2019-04-16  7:53 ` [PATCH v2 0/5] cpu/speculation: Add " Jiri Kosina

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