From: Peter Zijlstra <peterz@infradead.org>
To: Lai Jiangshan <jiangshanlai+lkml@gmail.com>
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 00:48:35 +0200 [thread overview]
Message-ID: <20200528224835.GU2483@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <CAJhGHyCua-oTww9U26CJvfojxdfQGewH1T-JUro7gLKucT2+kw@mail.gmail.com>
On Fri, May 29, 2020 at 06:42:46AM +0800, Lai Jiangshan wrote:
> 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?
No, that whole thing is noinstr.
next prev parent reply other threads:[~2020-05-28 22:48 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 ` [PATCH 0/6] x86/entry: disallow #DB more Lai Jiangshan
2020-05-28 22:48 ` Peter Zijlstra [this message]
2020-05-28 23:05 ` Lai Jiangshan
2020-05-29 8:00 ` Peter Zijlstra
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200528224835.GU2483@worktop.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=andrew.cooper3@citrix.com \
--cc=daniel.thompson@linaro.org \
--cc=jiangshanlai+lkml@gmail.com \
--cc=laijs@linux.alibaba.com \
--cc=linux-kernel@vger.kernel.org \
--cc=luto@amacapital.net \
--cc=sean.j.christopherson@intel.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.