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From: Josh Poimboeuf <jpoimboe@kernel.org>
To: x86@kernel.org
Cc: linux-kernel@vger.kernel.org,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Daniel Sneddon <daniel.sneddon@linux.intel.com>,
	Pawan Gupta <pawan.kumar.gupta@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Alexandre Chartre <alexandre.chartre@oracle.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Sean Christopherson <seanjc@google.com>,
	Andrew Cooper <andrew.cooper3@citrix.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Nikolay Borisov <nik.borisov@suse.com>,
	KP Singh <kpsingh@kernel.org>, Waiman Long <longman@redhat.com>,
	Borislav Petkov <bp@alien8.de>, Ingo Molnar <mingo@kernel.org>,
	Maksim Davydov <davydov-max@yandex-team.ru>
Subject: Re: [PATCH v4 5/5] x86/bugs: Add 'spectre_bhi=vmexit' cmdline option
Date: Fri, 19 Apr 2024 14:46:30 -0700	[thread overview]
Message-ID: <20240419214630.owsieyiyj5p432cy@treble> (raw)
In-Reply-To: <72d86c6da24138f39ca6fc9459b1d037301c1427.1713559768.git.jpoimboe@kernel.org>

On Fri, Apr 19, 2024 at 02:09:51PM -0700, Josh Poimboeuf wrote:
> In cloud environments it can be useful to *only* enable the vmexit
> mitigation and leave syscalls vulnerable.  Add that as an option.
> 
> This is similar to the old spectre_v2=auto option which was removed with

As Daniel pointed out this should be /v2/bhi/

-- 
Josh

      reply	other threads:[~2024-04-19 21:46 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-19 21:09 [PATCH 0/5] x86/bugs: more BHI fixes Josh Poimboeuf
2024-04-19 21:09 ` [PATCH v4 1/5] x86/bugs: Only harden syscalls when needed Josh Poimboeuf
2024-04-22  8:09   ` Yujie Liu
2024-05-07  5:17     ` Josh Poimboeuf
2024-05-20  5:21       ` Yujie Liu
2024-04-19 21:09 ` [PATCH v4 2/5] cpu/speculation: Fix CPU mitigation defaults for !x86 Josh Poimboeuf
2024-04-20  0:09   ` Sean Christopherson
2024-04-23 14:10     ` Sean Christopherson
2024-04-24  5:35       ` Josh Poimboeuf
2024-04-19 21:09 ` [PATCH v4 3/5] x86/syscall: Mark exit[_group] syscall handlers __noreturn Josh Poimboeuf
2024-04-20 13:58   ` Paul E. McKenney
2024-04-21  5:25     ` Josh Poimboeuf
2024-04-21 20:40       ` Paul McKenney
2024-04-21 21:47         ` Paul McKenney
2024-05-02 23:48           ` Paul McKenney
2024-05-03 15:38             ` Paul E. McKenney
2024-05-03 19:56             ` Josh Poimboeuf
2024-05-03 20:44               ` Josh Poimboeuf
2024-05-03 23:33                 ` Paul E. McKenney
2024-05-03 23:48                   ` Josh Poimboeuf
2024-05-04 16:48                     ` Paul E. McKenney
2024-04-19 21:09 ` [PATCH v4 4/5] x86/bugs: Remove duplicate Spectre cmdline option descriptions Josh Poimboeuf
2024-04-19 21:09 ` [PATCH v4 5/5] x86/bugs: Add 'spectre_bhi=vmexit' cmdline option Josh Poimboeuf
2024-04-19 21:46   ` Josh Poimboeuf [this message]

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