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From: Lai Jiangshan <jiangshanlai+lkml@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Andy Lutomirski <luto@amacapital.net>,
	LKML <linux-kernel@vger.kernel.org>, X86 ML <x86@kernel.org>,
	Lai Jiangshan <laijs@linux.alibaba.com>,
	Sean Christopherson <sean.j.christopherson@intel.com>,
	andrew.cooper3@citrix.com, daniel.thompson@linaro.org
Subject: Re: [PATCH 0/6] x86/entry: disallow #DB more
Date: Fri, 29 May 2020 06:42:46 +0800	[thread overview]
Message-ID: <CAJhGHyCua-oTww9U26CJvfojxdfQGewH1T-JUro7gLKucT2+kw@mail.gmail.com> (raw)
In-Reply-To: <20200528201937.038455891@infradead.org>

On Fri, May 29, 2020 at 4:25 AM Peter Zijlstra <peterz@infradead.org> wrote:
>
> These patches disallow #DB during NMI/#MC and allow removing a lot of fugly code.
>

Hello

Will #DB be allowed in #DF?

Thanks
Lai

> Patch #6 should probably wait until we've got the KGDB situation sorted
> because applying that makes a bad situation worse.
>
>

  parent reply	other threads:[~2020-05-28 22:43 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-28 20:19 [PATCH 0/6] x86/entry: disallow #DB more Peter Zijlstra
2020-05-28 20:19 ` [PATCH 1/6] x86/entry: Introduce local_db_{save,restore}() Peter Zijlstra
2020-05-28 20:52   ` Andrew Cooper
2020-05-28 21:15     ` Peter Zijlstra
2020-05-28 21:33       ` Peter Zijlstra
2020-05-29 17:28         ` Andy Lutomirski
2020-05-29 19:02           ` Peter Zijlstra
2020-05-28 21:36       ` Andrew Cooper
2020-05-28 20:19 ` [PATCH 2/6] x86/entry, nmi: Disable #DB Peter Zijlstra
2020-05-28 20:19 ` [PATCH 3/6] x86/entry, mce: Disallow #DB during #MC Peter Zijlstra
2020-05-28 20:19 ` [PATCH 4/6] x86/entry: Optimize local_db_save() for virt Peter Zijlstra
2020-05-29 17:24   ` Sean Christopherson
2020-05-28 20:19 ` [PATCH 5/6] x86/entry: Remove debug IDT frobbing Peter Zijlstra
2020-05-28 20:19 ` [RFC][PATCH 6/6] x86/entry: Remove DBn stacks Peter Zijlstra
2020-05-28 22:35   ` Lai Jiangshan
2020-05-28 22:37     ` Peter Zijlstra
2020-05-28 22:42 ` Lai Jiangshan [this message]
2020-05-28 22:48   ` [PATCH 0/6] x86/entry: disallow #DB more Peter Zijlstra
2020-05-28 23:05     ` Lai Jiangshan
2020-05-29  8:00       ` Peter Zijlstra

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